Add todo schema

starter/ent/client.go

@@ -12,6 +12,7 @@ import (
 	"ersteller-lib/starter/ent/migrate"
 
 	"ersteller-lib/starter/ent/googleauth"
+	"ersteller-lib/starter/ent/todo"
 	"ersteller-lib/starter/ent/user"
 
 	"entgo.io/ent"
@@ -27,6 +28,8 @@ type Client struct {
 	Schema *migrate.Schema
 	// GoogleAuth is the client for interacting with the GoogleAuth builders.
 	GoogleAuth *GoogleAuthClient
+	// Todo is the client for interacting with the Todo builders.
+	Todo *TodoClient
 	// User is the client for interacting with the User builders.
 	User *UserClient
 }
@@ -41,6 +44,7 @@ func NewClient(opts ...Option) *Client {
 func (c *Client) init() {
 	c.Schema = migrate.NewSchema(c.driver)
 	c.GoogleAuth = NewGoogleAuthClient(c.config)
+	c.Todo = NewTodoClient(c.config)
 	c.User = NewUserClient(c.config)
 }
 
@@ -135,6 +139,7 @@ func (c *Client) Tx(ctx context.Context) (*Tx, error) {
 		ctx:        ctx,
 		config:     cfg,
 		GoogleAuth: NewGoogleAuthClient(cfg),
+		Todo:       NewTodoClient(cfg),
 		User:       NewUserClient(cfg),
 	}, nil
 }
@@ -156,6 +161,7 @@ func (c *Client) BeginTx(ctx context.Context, opts *sql.TxOptions) (*Tx, error)
 		ctx:        ctx,
 		config:     cfg,
 		GoogleAuth: NewGoogleAuthClient(cfg),
+		Todo:       NewTodoClient(cfg),
 		User:       NewUserClient(cfg),
 	}, nil
 }
@@ -186,6 +192,7 @@ func (c *Client) Close() error {
 // In order to add hooks to a specific client, call: `client.Node.Use(...)`.
 func (c *Client) Use(hooks ...Hook) {
 	c.GoogleAuth.Use(hooks...)
+	c.Todo.Use(hooks...)
 	c.User.Use(hooks...)
 }
 
@@ -193,6 +200,7 @@ func (c *Client) Use(hooks ...Hook) {
 // In order to add interceptors to a specific client, call: `client.Node.Intercept(...)`.
 func (c *Client) Intercept(interceptors ...Interceptor) {
 	c.GoogleAuth.Intercept(interceptors...)
+	c.Todo.Intercept(interceptors...)
 	c.User.Intercept(interceptors...)
 }
 
@@ -201,6 +209,8 @@ func (c *Client) Mutate(ctx context.Context, m Mutation) (Value, error) {
 	switch m := m.(type) {
 	case *GoogleAuthMutation:
 		return c.GoogleAuth.mutate(ctx, m)
+	case *TodoMutation:
+		return c.Todo.mutate(ctx, m)
 	case *UserMutation:
 		return c.User.mutate(ctx, m)
 	default:
@@ -357,6 +367,155 @@ func (c *GoogleAuthClient) mutate(ctx context.Context, m *GoogleAuthMutation) (V
 	}
 }
 
+// TodoClient is a client for the Todo schema.
+type TodoClient struct {
+	config
+}
+
+// NewTodoClient returns a client for the Todo from the given config.
+func NewTodoClient(c config) *TodoClient {
+	return &TodoClient{config: c}
+}
+
+// Use adds a list of mutation hooks to the hooks stack.
+// A call to `Use(f, g, h)` equals to `todo.Hooks(f(g(h())))`.
+func (c *TodoClient) Use(hooks ...Hook) {
+	c.hooks.Todo = append(c.hooks.Todo, hooks...)
+}
+
+// Intercept adds a list of query interceptors to the interceptors stack.
+// A call to `Intercept(f, g, h)` equals to `todo.Intercept(f(g(h())))`.
+func (c *TodoClient) Intercept(interceptors ...Interceptor) {
+	c.inters.Todo = append(c.inters.Todo, interceptors...)
+}
+
+// Create returns a builder for creating a Todo entity.
+func (c *TodoClient) Create() *TodoCreate {
+	mutation := newTodoMutation(c.config, OpCreate)
+	return &TodoCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// CreateBulk returns a builder for creating a bulk of Todo entities.
+func (c *TodoClient) CreateBulk(builders ...*TodoCreate) *TodoCreateBulk {
+	return &TodoCreateBulk{config: c.config, builders: builders}
+}
+
+// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
+// a builder and applies setFunc on it.
+func (c *TodoClient) MapCreateBulk(slice any, setFunc func(*TodoCreate, int)) *TodoCreateBulk {
+	rv := reflect.ValueOf(slice)
+	if rv.Kind() != reflect.Slice {
+		return &TodoCreateBulk{err: fmt.Errorf("calling to TodoClient.MapCreateBulk with wrong type %T, need slice", slice)}
+	}
+	builders := make([]*TodoCreate, rv.Len())
+	for i := 0; i < rv.Len(); i++ {
+		builders[i] = c.Create()
+		setFunc(builders[i], i)
+	}
+	return &TodoCreateBulk{config: c.config, builders: builders}
+}
+
+// Update returns an update builder for Todo.
+func (c *TodoClient) Update() *TodoUpdate {
+	mutation := newTodoMutation(c.config, OpUpdate)
+	return &TodoUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOne returns an update builder for the given entity.
+func (c *TodoClient) UpdateOne(_m *Todo) *TodoUpdateOne {
+	mutation := newTodoMutation(c.config, OpUpdateOne, withTodo(_m))
+	return &TodoUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOneID returns an update builder for the given id.
+func (c *TodoClient) UpdateOneID(id int) *TodoUpdateOne {
+	mutation := newTodoMutation(c.config, OpUpdateOne, withTodoID(id))
+	return &TodoUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// Delete returns a delete builder for Todo.
+func (c *TodoClient) Delete() *TodoDelete {
+	mutation := newTodoMutation(c.config, OpDelete)
+	return &TodoDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// DeleteOne returns a builder for deleting the given entity.
+func (c *TodoClient) DeleteOne(_m *Todo) *TodoDeleteOne {
+	return c.DeleteOneID(_m.ID)
+}
+
+// DeleteOneID returns a builder for deleting the given entity by its id.
+func (c *TodoClient) DeleteOneID(id int) *TodoDeleteOne {
+	builder := c.Delete().Where(todo.ID(id))
+	builder.mutation.id = &id
+	builder.mutation.op = OpDeleteOne
+	return &TodoDeleteOne{builder}
+}
+
+// Query returns a query builder for Todo.
+func (c *TodoClient) Query() *TodoQuery {
+	return &TodoQuery{
+		config: c.config,
+		ctx:    &QueryContext{Type: TypeTodo},
+		inters: c.Interceptors(),
+	}
+}
+
+// Get returns a Todo entity by its id.
+func (c *TodoClient) Get(ctx context.Context, id int) (*Todo, error) {
+	return c.Query().Where(todo.ID(id)).Only(ctx)
+}
+
+// GetX is like Get, but panics if an error occurs.
+func (c *TodoClient) GetX(ctx context.Context, id int) *Todo {
+	obj, err := c.Get(ctx, id)
+	if err != nil {
+		panic(err)
+	}
+	return obj
+}
+
+// QueryUser queries the user edge of a Todo.
+func (c *TodoClient) QueryUser(_m *Todo) *UserQuery {
+	query := (&UserClient{config: c.config}).Query()
+	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
+		id := _m.ID
+		step := sqlgraph.NewStep(
+			sqlgraph.From(todo.Table, todo.FieldID, id),
+			sqlgraph.To(user.Table, user.FieldID),
+			sqlgraph.Edge(sqlgraph.M2O, false, todo.UserTable, todo.UserColumn),
+		)
+		fromV = sqlgraph.Neighbors(_m.driver.Dialect(), step)
+		return fromV, nil
+	}
+	return query
+}
+
+// Hooks returns the client hooks.
+func (c *TodoClient) Hooks() []Hook {
+	return c.hooks.Todo
+}
+
+// Interceptors returns the client interceptors.
+func (c *TodoClient) Interceptors() []Interceptor {
+	return c.inters.Todo
+}
+
+func (c *TodoClient) mutate(ctx context.Context, m *TodoMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&TodoCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&TodoUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&TodoUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&TodoDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("ent: unknown Todo mutation op: %q", m.Op())
+	}
+}
+
 // UserClient is a client for the User schema.
 type UserClient struct {
 	config
@@ -493,9 +652,9 @@ func (c *UserClient) mutate(ctx context.Context, m *UserMutation) (Value, error)
 // hooks and interceptors per client, for fast access.
 type (
 	hooks struct {
-		GoogleAuth, User []ent.Hook
+		GoogleAuth, Todo, User []ent.Hook
 	}
 	inters struct {
-		GoogleAuth, User []ent.Interceptor
+		GoogleAuth, Todo, User []ent.Interceptor
 	}
 )

starter/ent/ent.go

@@ -6,6 +6,7 @@ import (
 	"context"
 	"errors"
 	"ersteller-lib/starter/ent/googleauth"
+	"ersteller-lib/starter/ent/todo"
 	"ersteller-lib/starter/ent/user"
 	"fmt"
 	"reflect"
@@ -75,6 +76,7 @@ func checkColumn(t, c string) error {
 	initCheck.Do(func() {
 		columnCheck = sql.NewColumnCheck(map[string]func(string) bool{
 			googleauth.Table: googleauth.ValidColumn,
+			todo.Table:       todo.ValidColumn,
 			user.Table:       user.ValidColumn,
 		})
 	})

starter/ent/hook/hook.go

@@ -20,6 +20,18 @@ func (f GoogleAuthFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value,
 	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.GoogleAuthMutation", m)
 }
 
+// The TodoFunc type is an adapter to allow the use of ordinary
+// function as Todo mutator.
+type TodoFunc func(context.Context, *ent.TodoMutation) (ent.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f TodoFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+	if mv, ok := m.(*ent.TodoMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.TodoMutation", m)
+}
+
 // The UserFunc type is an adapter to allow the use of ordinary
 // function as User mutator.
 type UserFunc func(context.Context, *ent.UserMutation) (ent.Value, error)

starter/ent/migrate/schema.go

@@ -30,6 +30,29 @@ var (
 			},
 		},
 	}
+	// TodosColumns holds the columns for the "todos" table.
+	TodosColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeInt, Increment: true},
+		{Name: "created_at", Type: field.TypeTime},
+		{Name: "updated_at", Type: field.TypeTime},
+		{Name: "title", Type: field.TypeString, Default: ""},
+		{Name: "completed", Type: field.TypeBool, Default: false},
+		{Name: "todo_user", Type: field.TypeInt, Nullable: true},
+	}
+	// TodosTable holds the schema information for the "todos" table.
+	TodosTable = &schema.Table{
+		Name:       "todos",
+		Columns:    TodosColumns,
+		PrimaryKey: []*schema.Column{TodosColumns[0]},
+		ForeignKeys: []*schema.ForeignKey{
+			{
+				Symbol:     "todos_users_user",
+				Columns:    []*schema.Column{TodosColumns[5]},
+				RefColumns: []*schema.Column{UsersColumns[0]},
+				OnDelete:   schema.SetNull,
+			},
+		},
+	}
 	// UsersColumns holds the columns for the "users" table.
 	UsersColumns = []*schema.Column{
 		{Name: "id", Type: field.TypeInt, Increment: true},
@@ -47,10 +70,12 @@ var (
 	// Tables holds all the tables in the schema.
 	Tables = []*schema.Table{
 		GoogleAuthsTable,
+		TodosTable,
 		UsersTable,
 	}
 )
 
 func init() {
 	GoogleAuthsTable.ForeignKeys[0].RefTable = UsersTable
+	TodosTable.ForeignKeys[0].RefTable = UsersTable
 }

starter/ent/mutation.go

@@ -8,6 +8,7 @@ import (
 	"ersteller-lib/starter/ent/googleauth"
 	"ersteller-lib/starter/ent/predicate"
 	"ersteller-lib/starter/ent/schema"
+	"ersteller-lib/starter/ent/todo"
 	"ersteller-lib/starter/ent/user"
 	"fmt"
 	"sync"
@@ -27,6 +28,7 @@ const (
 
 	// Node types.
 	TypeGoogleAuth = "GoogleAuth"
+	TypeTodo       = "Todo"
 	TypeUser       = "User"
 )
 
@@ -531,6 +533,561 @@ func (m *GoogleAuthMutation) ResetEdge(name string) error {
 	return fmt.Errorf("unknown GoogleAuth edge %s", name)
 }
 
+// TodoMutation represents an operation that mutates the Todo nodes in the graph.
+type TodoMutation struct {
+	config
+	op            Op
+	typ           string
+	id            *int
+	created_at    *time.Time
+	updated_at    *time.Time
+	title         *string
+	completed     *bool
+	clearedFields map[string]struct{}
+	user          *int
+	cleareduser   bool
+	done          bool
+	oldValue      func(context.Context) (*Todo, error)
+	predicates    []predicate.Todo
+}
+
+var _ ent.Mutation = (*TodoMutation)(nil)
+
+// todoOption allows management of the mutation configuration using functional options.
+type todoOption func(*TodoMutation)
+
+// newTodoMutation creates new mutation for the Todo entity.
+func newTodoMutation(c config, op Op, opts ...todoOption) *TodoMutation {
+	m := &TodoMutation{
+		config:        c,
+		op:            op,
+		typ:           TypeTodo,
+		clearedFields: make(map[string]struct{}),
+	}
+	for _, opt := range opts {
+		opt(m)
+	}
+	return m
+}
+
+// withTodoID sets the ID field of the mutation.
+func withTodoID(id int) todoOption {
+	return func(m *TodoMutation) {
+		var (
+			err   error
+			once  sync.Once
+			value *Todo
+		)
+		m.oldValue = func(ctx context.Context) (*Todo, error) {
+			once.Do(func() {
+				if m.done {
+					err = errors.New("querying old values post mutation is not allowed")
+				} else {
+					value, err = m.Client().Todo.Get(ctx, id)
+				}
+			})
+			return value, err
+		}
+		m.id = &id
+	}
+}
+
+// withTodo sets the old Todo of the mutation.
+func withTodo(node *Todo) todoOption {
+	return func(m *TodoMutation) {
+		m.oldValue = func(context.Context) (*Todo, error) {
+			return node, nil
+		}
+		m.id = &node.ID
+	}
+}
+
+// Client returns a new `ent.Client` from the mutation. If the mutation was
+// executed in a transaction (ent.Tx), a transactional client is returned.
+func (m TodoMutation) Client() *Client {
+	client := &Client{config: m.config}
+	client.init()
+	return client
+}
+
+// Tx returns an `ent.Tx` for mutations that were executed in transactions;
+// it returns an error otherwise.
+func (m TodoMutation) Tx() (*Tx, error) {
+	if _, ok := m.driver.(*txDriver); !ok {
+		return nil, errors.New("ent: mutation is not running in a transaction")
+	}
+	tx := &Tx{config: m.config}
+	tx.init()
+	return tx, nil
+}
+
+// ID returns the ID value in the mutation. Note that the ID is only available
+// if it was provided to the builder or after it was returned from the database.
+func (m *TodoMutation) ID() (id int, exists bool) {
+	if m.id == nil {
+		return
+	}
+	return *m.id, true
+}
+
+// IDs queries the database and returns the entity ids that match the mutation's predicate.
+// That means, if the mutation is applied within a transaction with an isolation level such
+// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
+// or updated by the mutation.
+func (m *TodoMutation) IDs(ctx context.Context) ([]int, error) {
+	switch {
+	case m.op.Is(OpUpdateOne | OpDeleteOne):
+		id, exists := m.ID()
+		if exists {
+			return []int{id}, nil
+		}
+		fallthrough
+	case m.op.Is(OpUpdate | OpDelete):
+		return m.Client().Todo.Query().Where(m.predicates...).IDs(ctx)
+	default:
+		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
+	}
+}
+
+// SetCreatedAt sets the "created_at" field.
+func (m *TodoMutation) SetCreatedAt(t time.Time) {
+	m.created_at = &t
+}
+
+// CreatedAt returns the value of the "created_at" field in the mutation.
+func (m *TodoMutation) CreatedAt() (r time.Time, exists bool) {
+	v := m.created_at
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldCreatedAt returns the old "created_at" field's value of the Todo entity.
+// If the Todo object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *TodoMutation) OldCreatedAt(ctx context.Context) (v time.Time, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldCreatedAt is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldCreatedAt requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldCreatedAt: %w", err)
+	}
+	return oldValue.CreatedAt, nil
+}
+
+// ResetCreatedAt resets all changes to the "created_at" field.
+func (m *TodoMutation) ResetCreatedAt() {
+	m.created_at = nil
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (m *TodoMutation) SetUpdatedAt(t time.Time) {
+	m.updated_at = &t
+}
+
+// UpdatedAt returns the value of the "updated_at" field in the mutation.
+func (m *TodoMutation) UpdatedAt() (r time.Time, exists bool) {
+	v := m.updated_at
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldUpdatedAt returns the old "updated_at" field's value of the Todo entity.
+// If the Todo object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *TodoMutation) OldUpdatedAt(ctx context.Context) (v time.Time, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldUpdatedAt is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldUpdatedAt requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldUpdatedAt: %w", err)
+	}
+	return oldValue.UpdatedAt, nil
+}
+
+// ResetUpdatedAt resets all changes to the "updated_at" field.
+func (m *TodoMutation) ResetUpdatedAt() {
+	m.updated_at = nil
+}
+
+// SetTitle sets the "title" field.
+func (m *TodoMutation) SetTitle(s string) {
+	m.title = &s
+}
+
+// Title returns the value of the "title" field in the mutation.
+func (m *TodoMutation) Title() (r string, exists bool) {
+	v := m.title
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldTitle returns the old "title" field's value of the Todo entity.
+// If the Todo object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *TodoMutation) OldTitle(ctx context.Context) (v string, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldTitle is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldTitle requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldTitle: %w", err)
+	}
+	return oldValue.Title, nil
+}
+
+// ResetTitle resets all changes to the "title" field.
+func (m *TodoMutation) ResetTitle() {
+	m.title = nil
+}
+
+// SetCompleted sets the "completed" field.
+func (m *TodoMutation) SetCompleted(b bool) {
+	m.completed = &b
+}
+
+// Completed returns the value of the "completed" field in the mutation.
+func (m *TodoMutation) Completed() (r bool, exists bool) {
+	v := m.completed
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldCompleted returns the old "completed" field's value of the Todo entity.
+// If the Todo object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *TodoMutation) OldCompleted(ctx context.Context) (v bool, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldCompleted is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldCompleted requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldCompleted: %w", err)
+	}
+	return oldValue.Completed, nil
+}
+
+// ResetCompleted resets all changes to the "completed" field.
+func (m *TodoMutation) ResetCompleted() {
+	m.completed = nil
+}
+
+// SetUserID sets the "user" edge to the User entity by id.
+func (m *TodoMutation) SetUserID(id int) {
+	m.user = &id
+}
+
+// ClearUser clears the "user" edge to the User entity.
+func (m *TodoMutation) ClearUser() {
+	m.cleareduser = true
+}
+
+// UserCleared reports if the "user" edge to the User entity was cleared.
+func (m *TodoMutation) UserCleared() bool {
+	return m.cleareduser
+}
+
+// UserID returns the "user" edge ID in the mutation.
+func (m *TodoMutation) UserID() (id int, exists bool) {
+	if m.user != nil {
+		return *m.user, true
+	}
+	return
+}
+
+// UserIDs returns the "user" edge IDs in the mutation.
+// Note that IDs always returns len(IDs) <= 1 for unique edges, and you should use
+// UserID instead. It exists only for internal usage by the builders.
+func (m *TodoMutation) UserIDs() (ids []int) {
+	if id := m.user; id != nil {
+		ids = append(ids, *id)
+	}
+	return
+}
+
+// ResetUser resets all changes to the "user" edge.
+func (m *TodoMutation) ResetUser() {
+	m.user = nil
+	m.cleareduser = false
+}
+
+// Where appends a list predicates to the TodoMutation builder.
+func (m *TodoMutation) Where(ps ...predicate.Todo) {
+	m.predicates = append(m.predicates, ps...)
+}
+
+// WhereP appends storage-level predicates to the TodoMutation builder. Using this method,
+// users can use type-assertion to append predicates that do not depend on any generated package.
+func (m *TodoMutation) WhereP(ps ...func(*sql.Selector)) {
+	p := make([]predicate.Todo, len(ps))
+	for i := range ps {
+		p[i] = ps[i]
+	}
+	m.Where(p...)
+}
+
+// Op returns the operation name.
+func (m *TodoMutation) Op() Op {
+	return m.op
+}
+
+// SetOp allows setting the mutation operation.
+func (m *TodoMutation) SetOp(op Op) {
+	m.op = op
+}
+
+// Type returns the node type of this mutation (Todo).
+func (m *TodoMutation) Type() string {
+	return m.typ
+}
+
+// Fields returns all fields that were changed during this mutation. Note that in
+// order to get all numeric fields that were incremented/decremented, call
+// AddedFields().
+func (m *TodoMutation) Fields() []string {
+	fields := make([]string, 0, 4)
+	if m.created_at != nil {
+		fields = append(fields, todo.FieldCreatedAt)
+	}
+	if m.updated_at != nil {
+		fields = append(fields, todo.FieldUpdatedAt)
+	}
+	if m.title != nil {
+		fields = append(fields, todo.FieldTitle)
+	}
+	if m.completed != nil {
+		fields = append(fields, todo.FieldCompleted)
+	}
+	return fields
+}
+
+// Field returns the value of a field with the given name. The second boolean
+// return value indicates that this field was not set, or was not defined in the
+// schema.
+func (m *TodoMutation) Field(name string) (ent.Value, bool) {
+	switch name {
+	case todo.FieldCreatedAt:
+		return m.CreatedAt()
+	case todo.FieldUpdatedAt:
+		return m.UpdatedAt()
+	case todo.FieldTitle:
+		return m.Title()
+	case todo.FieldCompleted:
+		return m.Completed()
+	}
+	return nil, false
+}
+
+// OldField returns the old value of the field from the database. An error is
+// returned if the mutation operation is not UpdateOne, or the query to the
+// database failed.
+func (m *TodoMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
+	switch name {
+	case todo.FieldCreatedAt:
+		return m.OldCreatedAt(ctx)
+	case todo.FieldUpdatedAt:
+		return m.OldUpdatedAt(ctx)
+	case todo.FieldTitle:
+		return m.OldTitle(ctx)
+	case todo.FieldCompleted:
+		return m.OldCompleted(ctx)
+	}
+	return nil, fmt.Errorf("unknown Todo field %s", name)
+}
+
+// SetField sets the value of a field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *TodoMutation) SetField(name string, value ent.Value) error {
+	switch name {
+	case todo.FieldCreatedAt:
+		v, ok := value.(time.Time)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetCreatedAt(v)
+		return nil
+	case todo.FieldUpdatedAt:
+		v, ok := value.(time.Time)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetUpdatedAt(v)
+		return nil
+	case todo.FieldTitle:
+		v, ok := value.(string)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetTitle(v)
+		return nil
+	case todo.FieldCompleted:
+		v, ok := value.(bool)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetCompleted(v)
+		return nil
+	}
+	return fmt.Errorf("unknown Todo field %s", name)
+}
+
+// AddedFields returns all numeric fields that were incremented/decremented during
+// this mutation.
+func (m *TodoMutation) AddedFields() []string {
+	return nil
+}
+
+// AddedField returns the numeric value that was incremented/decremented on a field
+// with the given name. The second boolean return value indicates that this field
+// was not set, or was not defined in the schema.
+func (m *TodoMutation) AddedField(name string) (ent.Value, bool) {
+	return nil, false
+}
+
+// AddField adds the value to the field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *TodoMutation) AddField(name string, value ent.Value) error {
+	switch name {
+	}
+	return fmt.Errorf("unknown Todo numeric field %s", name)
+}
+
+// ClearedFields returns all nullable fields that were cleared during this
+// mutation.
+func (m *TodoMutation) ClearedFields() []string {
+	return nil
+}
+
+// FieldCleared returns a boolean indicating if a field with the given name was
+// cleared in this mutation.
+func (m *TodoMutation) FieldCleared(name string) bool {
+	_, ok := m.clearedFields[name]
+	return ok
+}
+
+// ClearField clears the value of the field with the given name. It returns an
+// error if the field is not defined in the schema.
+func (m *TodoMutation) ClearField(name string) error {
+	return fmt.Errorf("unknown Todo nullable field %s", name)
+}
+
+// ResetField resets all changes in the mutation for the field with the given name.
+// It returns an error if the field is not defined in the schema.
+func (m *TodoMutation) ResetField(name string) error {
+	switch name {
+	case todo.FieldCreatedAt:
+		m.ResetCreatedAt()
+		return nil
+	case todo.FieldUpdatedAt:
+		m.ResetUpdatedAt()
+		return nil
+	case todo.FieldTitle:
+		m.ResetTitle()
+		return nil
+	case todo.FieldCompleted:
+		m.ResetCompleted()
+		return nil
+	}
+	return fmt.Errorf("unknown Todo field %s", name)
+}
+
+// AddedEdges returns all edge names that were set/added in this mutation.
+func (m *TodoMutation) AddedEdges() []string {
+	edges := make([]string, 0, 1)
+	if m.user != nil {
+		edges = append(edges, todo.EdgeUser)
+	}
+	return edges
+}
+
+// AddedIDs returns all IDs (to other nodes) that were added for the given edge
+// name in this mutation.
+func (m *TodoMutation) AddedIDs(name string) []ent.Value {
+	switch name {
+	case todo.EdgeUser:
+		if id := m.user; id != nil {
+			return []ent.Value{*id}
+		}
+	}
+	return nil
+}
+
+// RemovedEdges returns all edge names that were removed in this mutation.
+func (m *TodoMutation) RemovedEdges() []string {
+	edges := make([]string, 0, 1)
+	return edges
+}
+
+// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
+// the given name in this mutation.
+func (m *TodoMutation) RemovedIDs(name string) []ent.Value {
+	return nil
+}
+
+// ClearedEdges returns all edge names that were cleared in this mutation.
+func (m *TodoMutation) ClearedEdges() []string {
+	edges := make([]string, 0, 1)
+	if m.cleareduser {
+		edges = append(edges, todo.EdgeUser)
+	}
+	return edges
+}
+
+// EdgeCleared returns a boolean which indicates if the edge with the given name
+// was cleared in this mutation.
+func (m *TodoMutation) EdgeCleared(name string) bool {
+	switch name {
+	case todo.EdgeUser:
+		return m.cleareduser
+	}
+	return false
+}
+
+// ClearEdge clears the value of the edge with the given name. It returns an error
+// if that edge is not defined in the schema.
+func (m *TodoMutation) ClearEdge(name string) error {
+	switch name {
+	case todo.EdgeUser:
+		m.ClearUser()
+		return nil
+	}
+	return fmt.Errorf("unknown Todo unique edge %s", name)
+}
+
+// ResetEdge resets all changes to the edge with the given name in this mutation.
+// It returns an error if the edge is not defined in the schema.
+func (m *TodoMutation) ResetEdge(name string) error {
+	switch name {
+	case todo.EdgeUser:
+		m.ResetUser()
+		return nil
+	}
+	return fmt.Errorf("unknown Todo edge %s", name)
+}
+
 // UserMutation represents an operation that mutates the User nodes in the graph.
 type UserMutation struct {
 	config

starter/ent/pagination_query.go

@@ -48,6 +48,44 @@ func (q *GoogleAuthQuery) PaginateAfterID(ctx context.Context, afterID, limit in
 	return rows, next, hasNext, nil
 }
 
+// PaginateAfterID paginates Todo by monotonically increasing "id".
+// It preserves any existing filters/joins applied to the query, fetches up to "limit" items,
+// and returns the next cursor (last ID of this page) and whether a next page exists.
+func (q *TodoQuery) PaginateAfterID(ctx context.Context, afterID, limit int) ([]*Todo, int, bool, error) {
+	if limit <= 0 {
+		limit = 20
+	}
+
+	qq := q.Clone().
+		Order(func(s *sql.Selector) {
+			s.OrderBy(s.C("id"))
+		}).
+		Limit(limit + 1) // fetch one extra to detect "has next"
+
+	if afterID > 0 {
+		qq = qq.Where(func(s *sql.Selector) {
+			s.Where(sql.GT(s.C("id"), afterID))
+		})
+	}
+
+	rows, err := qq.All(ctx)
+	if err != nil {
+		return nil, 0, false, err
+	}
+
+	hasNext := len(rows) > limit
+	if hasNext {
+		rows = rows[:limit]
+	}
+
+	next := 0
+	if len(rows) > 0 {
+		next = rows[len(rows)-1].ID
+	}
+
+	return rows, next, hasNext, nil
+}
+
 // PaginateAfterID paginates User by monotonically increasing "id".
 // It preserves any existing filters/joins applied to the query, fetches up to "limit" items,
 // and returns the next cursor (last ID of this page) and whether a next page exists.

starter/ent/predicate/predicate.go

@@ -9,5 +9,8 @@ import (
 // GoogleAuth is the predicate function for googleauth builders.
 type GoogleAuth func(*sql.Selector)
 
+// Todo is the predicate function for todo builders.
+type Todo func(*sql.Selector)
+
 // User is the predicate function for user builders.
 type User func(*sql.Selector)

starter/ent/runtime.go

@@ -5,6 +5,7 @@ package ent
 import (
 	"ersteller-lib/starter/ent/googleauth"
 	"ersteller-lib/starter/ent/schema"
+	"ersteller-lib/starter/ent/todo"
 	"ersteller-lib/starter/ent/user"
 	"time"
 )
@@ -28,6 +29,29 @@ func init() {
 	googleauth.DefaultUpdatedAt = googleauthDescUpdatedAt.Default.(func() time.Time)
 	// googleauth.UpdateDefaultUpdatedAt holds the default value on update for the updated_at field.
 	googleauth.UpdateDefaultUpdatedAt = googleauthDescUpdatedAt.UpdateDefault.(func() time.Time)
+	todoMixin := schema.Todo{}.Mixin()
+	todoMixinFields0 := todoMixin[0].Fields()
+	_ = todoMixinFields0
+	todoFields := schema.Todo{}.Fields()
+	_ = todoFields
+	// todoDescCreatedAt is the schema descriptor for created_at field.
+	todoDescCreatedAt := todoMixinFields0[0].Descriptor()
+	// todo.DefaultCreatedAt holds the default value on creation for the created_at field.
+	todo.DefaultCreatedAt = todoDescCreatedAt.Default.(func() time.Time)
+	// todoDescUpdatedAt is the schema descriptor for updated_at field.
+	todoDescUpdatedAt := todoMixinFields0[1].Descriptor()
+	// todo.DefaultUpdatedAt holds the default value on creation for the updated_at field.
+	todo.DefaultUpdatedAt = todoDescUpdatedAt.Default.(func() time.Time)
+	// todo.UpdateDefaultUpdatedAt holds the default value on update for the updated_at field.
+	todo.UpdateDefaultUpdatedAt = todoDescUpdatedAt.UpdateDefault.(func() time.Time)
+	// todoDescTitle is the schema descriptor for title field.
+	todoDescTitle := todoFields[0].Descriptor()
+	// todo.DefaultTitle holds the default value on creation for the title field.
+	todo.DefaultTitle = todoDescTitle.Default.(string)
+	// todoDescCompleted is the schema descriptor for completed field.
+	todoDescCompleted := todoFields[1].Descriptor()
+	// todo.DefaultCompleted holds the default value on creation for the completed field.
+	todo.DefaultCompleted = todoDescCompleted.Default.(bool)
 	userMixin := schema.User{}.Mixin()
 	userMixinFields0 := userMixin[0].Fields()
 	_ = userMixinFields0

starter/ent/schema/todo.go

@@ -0,0 +1,32 @@
+package schema
+
+import (
+	"ersteller-lib/schema/ent"
+
+	"entgo.io/ent"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+)
+
+type Todo struct {
+	ent.Schema
+}
+
+func (Todo) Mixin() []ent.Mixin {
+	return []ent.Mixin{
+		ersteller_ent.TimeMixin{},
+	}
+}
+
+func (Todo) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("title").Default(""),
+		field.Bool("completed").Default(false),
+	}
+}
+
+func (Todo) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.To("user", User.Type).Unique(),
+	}
+}

starter/ent/todo.go

@@ -0,0 +1,180 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"ersteller-lib/starter/ent/todo"
+	"ersteller-lib/starter/ent/user"
+	"fmt"
+	"strings"
+	"time"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+)
+
+// Todo is the model entity for the Todo schema.
+type Todo struct {
+	config `json:"-"`
+	// ID of the ent.
+	ID int `json:"id,omitempty"`
+	// CreatedAt holds the value of the "created_at" field.
+	CreatedAt time.Time `json:"created_at,omitempty"`
+	// UpdatedAt holds the value of the "updated_at" field.
+	UpdatedAt time.Time `json:"updated_at,omitempty"`
+	// Title holds the value of the "title" field.
+	Title string `json:"title,omitempty"`
+	// Completed holds the value of the "completed" field.
+	Completed bool `json:"completed,omitempty"`
+	// Edges holds the relations/edges for other nodes in the graph.
+	// The values are being populated by the TodoQuery when eager-loading is set.
+	Edges        TodoEdges `json:"edges"`
+	todo_user    *int
+	selectValues sql.SelectValues
+}
+
+// TodoEdges holds the relations/edges for other nodes in the graph.
+type TodoEdges struct {
+	// User holds the value of the user edge.
+	User *User `json:"user,omitempty"`
+	// loadedTypes holds the information for reporting if a
+	// type was loaded (or requested) in eager-loading or not.
+	loadedTypes [1]bool
+}
+
+// UserOrErr returns the User value or an error if the edge
+// was not loaded in eager-loading, or loaded but was not found.
+func (e TodoEdges) UserOrErr() (*User, error) {
+	if e.User != nil {
+		return e.User, nil
+	} else if e.loadedTypes[0] {
+		return nil, &NotFoundError{label: user.Label}
+	}
+	return nil, &NotLoadedError{edge: "user"}
+}
+
+// scanValues returns the types for scanning values from sql.Rows.
+func (*Todo) scanValues(columns []string) ([]any, error) {
+	values := make([]any, len(columns))
+	for i := range columns {
+		switch columns[i] {
+		case todo.FieldCompleted:
+			values[i] = new(sql.NullBool)
+		case todo.FieldID:
+			values[i] = new(sql.NullInt64)
+		case todo.FieldTitle:
+			values[i] = new(sql.NullString)
+		case todo.FieldCreatedAt, todo.FieldUpdatedAt:
+			values[i] = new(sql.NullTime)
+		case todo.ForeignKeys[0]: // todo_user
+			values[i] = new(sql.NullInt64)
+		default:
+			values[i] = new(sql.UnknownType)
+		}
+	}
+	return values, nil
+}
+
+// assignValues assigns the values that were returned from sql.Rows (after scanning)
+// to the Todo fields.
+func (_m *Todo) assignValues(columns []string, values []any) error {
+	if m, n := len(values), len(columns); m < n {
+		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
+	}
+	for i := range columns {
+		switch columns[i] {
+		case todo.FieldID:
+			value, ok := values[i].(*sql.NullInt64)
+			if !ok {
+				return fmt.Errorf("unexpected type %T for field id", value)
+			}
+			_m.ID = int(value.Int64)
+		case todo.FieldCreatedAt:
+			if value, ok := values[i].(*sql.NullTime); !ok {
+				return fmt.Errorf("unexpected type %T for field created_at", values[i])
+			} else if value.Valid {
+				_m.CreatedAt = value.Time
+			}
+		case todo.FieldUpdatedAt:
+			if value, ok := values[i].(*sql.NullTime); !ok {
+				return fmt.Errorf("unexpected type %T for field updated_at", values[i])
+			} else if value.Valid {
+				_m.UpdatedAt = value.Time
+			}
+		case todo.FieldTitle:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field title", values[i])
+			} else if value.Valid {
+				_m.Title = value.String
+			}
+		case todo.FieldCompleted:
+			if value, ok := values[i].(*sql.NullBool); !ok {
+				return fmt.Errorf("unexpected type %T for field completed", values[i])
+			} else if value.Valid {
+				_m.Completed = value.Bool
+			}
+		case todo.ForeignKeys[0]:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for edge-field todo_user", value)
+			} else if value.Valid {
+				_m.todo_user = new(int)
+				*_m.todo_user = int(value.Int64)
+			}
+		default:
+			_m.selectValues.Set(columns[i], values[i])
+		}
+	}
+	return nil
+}
+
+// Value returns the ent.Value that was dynamically selected and assigned to the Todo.
+// This includes values selected through modifiers, order, etc.
+func (_m *Todo) Value(name string) (ent.Value, error) {
+	return _m.selectValues.Get(name)
+}
+
+// QueryUser queries the "user" edge of the Todo entity.
+func (_m *Todo) QueryUser() *UserQuery {
+	return NewTodoClient(_m.config).QueryUser(_m)
+}
+
+// Update returns a builder for updating this Todo.
+// Note that you need to call Todo.Unwrap() before calling this method if this Todo
+// was returned from a transaction, and the transaction was committed or rolled back.
+func (_m *Todo) Update() *TodoUpdateOne {
+	return NewTodoClient(_m.config).UpdateOne(_m)
+}
+
+// Unwrap unwraps the Todo entity that was returned from a transaction after it was closed,
+// so that all future queries will be executed through the driver which created the transaction.
+func (_m *Todo) Unwrap() *Todo {
+	_tx, ok := _m.config.driver.(*txDriver)
+	if !ok {
+		panic("ent: Todo is not a transactional entity")
+	}
+	_m.config.driver = _tx.drv
+	return _m
+}
+
+// String implements the fmt.Stringer.
+func (_m *Todo) String() string {
+	var builder strings.Builder
+	builder.WriteString("Todo(")
+	builder.WriteString(fmt.Sprintf("id=%v, ", _m.ID))
+	builder.WriteString("created_at=")
+	builder.WriteString(_m.CreatedAt.Format(time.ANSIC))
+	builder.WriteString(", ")
+	builder.WriteString("updated_at=")
+	builder.WriteString(_m.UpdatedAt.Format(time.ANSIC))
+	builder.WriteString(", ")
+	builder.WriteString("title=")
+	builder.WriteString(_m.Title)
+	builder.WriteString(", ")
+	builder.WriteString("completed=")
+	builder.WriteString(fmt.Sprintf("%v", _m.Completed))
+	builder.WriteByte(')')
+	return builder.String()
+}
+
+// Todos is a parsable slice of Todo.
+type Todos []*Todo

starter/ent/todo/todo.go

@@ -0,0 +1,121 @@
+// Code generated by ent, DO NOT EDIT.
+
+package todo
+
+import (
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+const (
+	// Label holds the string label denoting the todo type in the database.
+	Label = "todo"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "id"
+	// FieldCreatedAt holds the string denoting the created_at field in the database.
+	FieldCreatedAt = "created_at"
+	// FieldUpdatedAt holds the string denoting the updated_at field in the database.
+	FieldUpdatedAt = "updated_at"
+	// FieldTitle holds the string denoting the title field in the database.
+	FieldTitle = "title"
+	// FieldCompleted holds the string denoting the completed field in the database.
+	FieldCompleted = "completed"
+	// EdgeUser holds the string denoting the user edge name in mutations.
+	EdgeUser = "user"
+	// Table holds the table name of the todo in the database.
+	Table = "todos"
+	// UserTable is the table that holds the user relation/edge.
+	UserTable = "todos"
+	// UserInverseTable is the table name for the User entity.
+	// It exists in this package in order to avoid circular dependency with the "user" package.
+	UserInverseTable = "users"
+	// UserColumn is the table column denoting the user relation/edge.
+	UserColumn = "todo_user"
+)
+
+// Columns holds all SQL columns for todo fields.
+var Columns = []string{
+	FieldID,
+	FieldCreatedAt,
+	FieldUpdatedAt,
+	FieldTitle,
+	FieldCompleted,
+}
+
+// ForeignKeys holds the SQL foreign-keys that are owned by the "todos"
+// table and are not defined as standalone fields in the schema.
+var ForeignKeys = []string{
+	"todo_user",
+}
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	for i := range ForeignKeys {
+		if column == ForeignKeys[i] {
+			return true
+		}
+	}
+	return false
+}
+
+var (
+	// DefaultCreatedAt holds the default value on creation for the "created_at" field.
+	DefaultCreatedAt func() time.Time
+	// DefaultUpdatedAt holds the default value on creation for the "updated_at" field.
+	DefaultUpdatedAt func() time.Time
+	// UpdateDefaultUpdatedAt holds the default value on update for the "updated_at" field.
+	UpdateDefaultUpdatedAt func() time.Time
+	// DefaultTitle holds the default value on creation for the "title" field.
+	DefaultTitle string
+	// DefaultCompleted holds the default value on creation for the "completed" field.
+	DefaultCompleted bool
+)
+
+// OrderOption defines the ordering options for the Todo queries.
+type OrderOption func(*sql.Selector)
+
+// ByID orders the results by the id field.
+func ByID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldID, opts...).ToFunc()
+}
+
+// ByCreatedAt orders the results by the created_at field.
+func ByCreatedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldCreatedAt, opts...).ToFunc()
+}
+
+// ByUpdatedAt orders the results by the updated_at field.
+func ByUpdatedAt(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldUpdatedAt, opts...).ToFunc()
+}
+
+// ByTitle orders the results by the title field.
+func ByTitle(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldTitle, opts...).ToFunc()
+}
+
+// ByCompleted orders the results by the completed field.
+func ByCompleted(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldCompleted, opts...).ToFunc()
+}
+
+// ByUserField orders the results by user field.
+func ByUserField(field string, opts ...sql.OrderTermOption) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborTerms(s, newUserStep(), sql.OrderByField(field, opts...))
+	}
+}
+func newUserStep() *sqlgraph.Step {
+	return sqlgraph.NewStep(
+		sqlgraph.From(Table, FieldID),
+		sqlgraph.To(UserInverseTable, FieldID),
+		sqlgraph.Edge(sqlgraph.M2O, false, UserTable, UserColumn),
+	)
+}

starter/ent/todo/where.go

@@ -0,0 +1,269 @@
+// Code generated by ent, DO NOT EDIT.
+
+package todo
+
+import (
+	"ersteller-lib/starter/ent/predicate"
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+// ID filters vertices based on their ID field.
+func ID(id int) predicate.Todo {
+	return predicate.Todo(sql.FieldEQ(FieldID, id))
+}
+
+// IDEQ applies the EQ predicate on the ID field.
+func IDEQ(id int) predicate.Todo {
+	return predicate.Todo(sql.FieldEQ(FieldID, id))
+}
+
+// IDNEQ applies the NEQ predicate on the ID field.
+func IDNEQ(id int) predicate.Todo {
+	return predicate.Todo(sql.FieldNEQ(FieldID, id))
+}
+
+// IDIn applies the In predicate on the ID field.
+func IDIn(ids ...int) predicate.Todo {
+	return predicate.Todo(sql.FieldIn(FieldID, ids...))
+}
+
+// IDNotIn applies the NotIn predicate on the ID field.
+func IDNotIn(ids ...int) predicate.Todo {
+	return predicate.Todo(sql.FieldNotIn(FieldID, ids...))
+}
+
+// IDGT applies the GT predicate on the ID field.
+func IDGT(id int) predicate.Todo {
+	return predicate.Todo(sql.FieldGT(FieldID, id))
+}
+
+// IDGTE applies the GTE predicate on the ID field.
+func IDGTE(id int) predicate.Todo {
+	return predicate.Todo(sql.FieldGTE(FieldID, id))
+}
+
+// IDLT applies the LT predicate on the ID field.
+func IDLT(id int) predicate.Todo {
+	return predicate.Todo(sql.FieldLT(FieldID, id))
+}
+
+// IDLTE applies the LTE predicate on the ID field.
+func IDLTE(id int) predicate.Todo {
+	return predicate.Todo(sql.FieldLTE(FieldID, id))
+}
+
+// CreatedAt applies equality check predicate on the "created_at" field. It's identical to CreatedAtEQ.
+func CreatedAt(v time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldEQ(FieldCreatedAt, v))
+}
+
+// UpdatedAt applies equality check predicate on the "updated_at" field. It's identical to UpdatedAtEQ.
+func UpdatedAt(v time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldEQ(FieldUpdatedAt, v))
+}
+
+// Title applies equality check predicate on the "title" field. It's identical to TitleEQ.
+func Title(v string) predicate.Todo {
+	return predicate.Todo(sql.FieldEQ(FieldTitle, v))
+}
+
+// Completed applies equality check predicate on the "completed" field. It's identical to CompletedEQ.
+func Completed(v bool) predicate.Todo {
+	return predicate.Todo(sql.FieldEQ(FieldCompleted, v))
+}
+
+// CreatedAtEQ applies the EQ predicate on the "created_at" field.
+func CreatedAtEQ(v time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldEQ(FieldCreatedAt, v))
+}
+
+// CreatedAtNEQ applies the NEQ predicate on the "created_at" field.
+func CreatedAtNEQ(v time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldNEQ(FieldCreatedAt, v))
+}
+
+// CreatedAtIn applies the In predicate on the "created_at" field.
+func CreatedAtIn(vs ...time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldIn(FieldCreatedAt, vs...))
+}
+
+// CreatedAtNotIn applies the NotIn predicate on the "created_at" field.
+func CreatedAtNotIn(vs ...time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldNotIn(FieldCreatedAt, vs...))
+}
+
+// CreatedAtGT applies the GT predicate on the "created_at" field.
+func CreatedAtGT(v time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldGT(FieldCreatedAt, v))
+}
+
+// CreatedAtGTE applies the GTE predicate on the "created_at" field.
+func CreatedAtGTE(v time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldGTE(FieldCreatedAt, v))
+}
+
+// CreatedAtLT applies the LT predicate on the "created_at" field.
+func CreatedAtLT(v time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldLT(FieldCreatedAt, v))
+}
+
+// CreatedAtLTE applies the LTE predicate on the "created_at" field.
+func CreatedAtLTE(v time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldLTE(FieldCreatedAt, v))
+}
+
+// UpdatedAtEQ applies the EQ predicate on the "updated_at" field.
+func UpdatedAtEQ(v time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldEQ(FieldUpdatedAt, v))
+}
+
+// UpdatedAtNEQ applies the NEQ predicate on the "updated_at" field.
+func UpdatedAtNEQ(v time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldNEQ(FieldUpdatedAt, v))
+}
+
+// UpdatedAtIn applies the In predicate on the "updated_at" field.
+func UpdatedAtIn(vs ...time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldIn(FieldUpdatedAt, vs...))
+}
+
+// UpdatedAtNotIn applies the NotIn predicate on the "updated_at" field.
+func UpdatedAtNotIn(vs ...time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldNotIn(FieldUpdatedAt, vs...))
+}
+
+// UpdatedAtGT applies the GT predicate on the "updated_at" field.
+func UpdatedAtGT(v time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldGT(FieldUpdatedAt, v))
+}
+
+// UpdatedAtGTE applies the GTE predicate on the "updated_at" field.
+func UpdatedAtGTE(v time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldGTE(FieldUpdatedAt, v))
+}
+
+// UpdatedAtLT applies the LT predicate on the "updated_at" field.
+func UpdatedAtLT(v time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldLT(FieldUpdatedAt, v))
+}
+
+// UpdatedAtLTE applies the LTE predicate on the "updated_at" field.
+func UpdatedAtLTE(v time.Time) predicate.Todo {
+	return predicate.Todo(sql.FieldLTE(FieldUpdatedAt, v))
+}
+
+// TitleEQ applies the EQ predicate on the "title" field.
+func TitleEQ(v string) predicate.Todo {
+	return predicate.Todo(sql.FieldEQ(FieldTitle, v))
+}
+
+// TitleNEQ applies the NEQ predicate on the "title" field.
+func TitleNEQ(v string) predicate.Todo {
+	return predicate.Todo(sql.FieldNEQ(FieldTitle, v))
+}
+
+// TitleIn applies the In predicate on the "title" field.
+func TitleIn(vs ...string) predicate.Todo {
+	return predicate.Todo(sql.FieldIn(FieldTitle, vs...))
+}
+
+// TitleNotIn applies the NotIn predicate on the "title" field.
+func TitleNotIn(vs ...string) predicate.Todo {
+	return predicate.Todo(sql.FieldNotIn(FieldTitle, vs...))
+}
+
+// TitleGT applies the GT predicate on the "title" field.
+func TitleGT(v string) predicate.Todo {
+	return predicate.Todo(sql.FieldGT(FieldTitle, v))
+}
+
+// TitleGTE applies the GTE predicate on the "title" field.
+func TitleGTE(v string) predicate.Todo {
+	return predicate.Todo(sql.FieldGTE(FieldTitle, v))
+}
+
+// TitleLT applies the LT predicate on the "title" field.
+func TitleLT(v string) predicate.Todo {
+	return predicate.Todo(sql.FieldLT(FieldTitle, v))
+}
+
+// TitleLTE applies the LTE predicate on the "title" field.
+func TitleLTE(v string) predicate.Todo {
+	return predicate.Todo(sql.FieldLTE(FieldTitle, v))
+}
+
+// TitleContains applies the Contains predicate on the "title" field.
+func TitleContains(v string) predicate.Todo {
+	return predicate.Todo(sql.FieldContains(FieldTitle, v))
+}
+
+// TitleHasPrefix applies the HasPrefix predicate on the "title" field.
+func TitleHasPrefix(v string) predicate.Todo {
+	return predicate.Todo(sql.FieldHasPrefix(FieldTitle, v))
+}
+
+// TitleHasSuffix applies the HasSuffix predicate on the "title" field.
+func TitleHasSuffix(v string) predicate.Todo {
+	return predicate.Todo(sql.FieldHasSuffix(FieldTitle, v))
+}
+
+// TitleEqualFold applies the EqualFold predicate on the "title" field.
+func TitleEqualFold(v string) predicate.Todo {
+	return predicate.Todo(sql.FieldEqualFold(FieldTitle, v))
+}
+
+// TitleContainsFold applies the ContainsFold predicate on the "title" field.
+func TitleContainsFold(v string) predicate.Todo {
+	return predicate.Todo(sql.FieldContainsFold(FieldTitle, v))
+}
+
+// CompletedEQ applies the EQ predicate on the "completed" field.
+func CompletedEQ(v bool) predicate.Todo {
+	return predicate.Todo(sql.FieldEQ(FieldCompleted, v))
+}
+
+// CompletedNEQ applies the NEQ predicate on the "completed" field.
+func CompletedNEQ(v bool) predicate.Todo {
+	return predicate.Todo(sql.FieldNEQ(FieldCompleted, v))
+}
+
+// HasUser applies the HasEdge predicate on the "user" edge.
+func HasUser() predicate.Todo {
+	return predicate.Todo(func(s *sql.Selector) {
+		step := sqlgraph.NewStep(
+			sqlgraph.From(Table, FieldID),
+			sqlgraph.Edge(sqlgraph.M2O, false, UserTable, UserColumn),
+		)
+		sqlgraph.HasNeighbors(s, step)
+	})
+}
+
+// HasUserWith applies the HasEdge predicate on the "user" edge with a given conditions (other predicates).
+func HasUserWith(preds ...predicate.User) predicate.Todo {
+	return predicate.Todo(func(s *sql.Selector) {
+		step := newUserStep()
+		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
+			for _, p := range preds {
+				p(s)
+			}
+		})
+	})
+}
+
+// And groups predicates with the AND operator between them.
+func And(predicates ...predicate.Todo) predicate.Todo {
+	return predicate.Todo(sql.AndPredicates(predicates...))
+}
+
+// Or groups predicates with the OR operator between them.
+func Or(predicates ...predicate.Todo) predicate.Todo {
+	return predicate.Todo(sql.OrPredicates(predicates...))
+}
+
+// Not applies the not operator on the given predicate.
+func Not(p predicate.Todo) predicate.Todo {
+	return predicate.Todo(sql.NotPredicates(p))
+}

starter/ent/todo_create.go

@@ -0,0 +1,314 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"ersteller-lib/starter/ent/todo"
+	"ersteller-lib/starter/ent/user"
+	"fmt"
+	"time"
+
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// TodoCreate is the builder for creating a Todo entity.
+type TodoCreate struct {
+	config
+	mutation *TodoMutation
+	hooks    []Hook
+}
+
+// SetCreatedAt sets the "created_at" field.
+func (_c *TodoCreate) SetCreatedAt(v time.Time) *TodoCreate {
+	_c.mutation.SetCreatedAt(v)
+	return _c
+}
+
+// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
+func (_c *TodoCreate) SetNillableCreatedAt(v *time.Time) *TodoCreate {
+	if v != nil {
+		_c.SetCreatedAt(*v)
+	}
+	return _c
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (_c *TodoCreate) SetUpdatedAt(v time.Time) *TodoCreate {
+	_c.mutation.SetUpdatedAt(v)
+	return _c
+}
+
+// SetNillableUpdatedAt sets the "updated_at" field if the given value is not nil.
+func (_c *TodoCreate) SetNillableUpdatedAt(v *time.Time) *TodoCreate {
+	if v != nil {
+		_c.SetUpdatedAt(*v)
+	}
+	return _c
+}
+
+// SetTitle sets the "title" field.
+func (_c *TodoCreate) SetTitle(v string) *TodoCreate {
+	_c.mutation.SetTitle(v)
+	return _c
+}
+
+// SetNillableTitle sets the "title" field if the given value is not nil.
+func (_c *TodoCreate) SetNillableTitle(v *string) *TodoCreate {
+	if v != nil {
+		_c.SetTitle(*v)
+	}
+	return _c
+}
+
+// SetCompleted sets the "completed" field.
+func (_c *TodoCreate) SetCompleted(v bool) *TodoCreate {
+	_c.mutation.SetCompleted(v)
+	return _c
+}
+
+// SetNillableCompleted sets the "completed" field if the given value is not nil.
+func (_c *TodoCreate) SetNillableCompleted(v *bool) *TodoCreate {
+	if v != nil {
+		_c.SetCompleted(*v)
+	}
+	return _c
+}
+
+// SetUserID sets the "user" edge to the User entity by ID.
+func (_c *TodoCreate) SetUserID(id int) *TodoCreate {
+	_c.mutation.SetUserID(id)
+	return _c
+}
+
+// SetNillableUserID sets the "user" edge to the User entity by ID if the given value is not nil.
+func (_c *TodoCreate) SetNillableUserID(id *int) *TodoCreate {
+	if id != nil {
+		_c = _c.SetUserID(*id)
+	}
+	return _c
+}
+
+// SetUser sets the "user" edge to the User entity.
+func (_c *TodoCreate) SetUser(v *User) *TodoCreate {
+	return _c.SetUserID(v.ID)
+}
+
+// Mutation returns the TodoMutation object of the builder.
+func (_c *TodoCreate) Mutation() *TodoMutation {
+	return _c.mutation
+}
+
+// Save creates the Todo in the database.
+func (_c *TodoCreate) Save(ctx context.Context) (*Todo, error) {
+	_c.defaults()
+	return withHooks(ctx, _c.sqlSave, _c.mutation, _c.hooks)
+}
+
+// SaveX calls Save and panics if Save returns an error.
+func (_c *TodoCreate) SaveX(ctx context.Context) *Todo {
+	v, err := _c.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (_c *TodoCreate) Exec(ctx context.Context) error {
+	_, err := _c.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_c *TodoCreate) ExecX(ctx context.Context) {
+	if err := _c.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (_c *TodoCreate) defaults() {
+	if _, ok := _c.mutation.CreatedAt(); !ok {
+		v := todo.DefaultCreatedAt()
+		_c.mutation.SetCreatedAt(v)
+	}
+	if _, ok := _c.mutation.UpdatedAt(); !ok {
+		v := todo.DefaultUpdatedAt()
+		_c.mutation.SetUpdatedAt(v)
+	}
+	if _, ok := _c.mutation.Title(); !ok {
+		v := todo.DefaultTitle
+		_c.mutation.SetTitle(v)
+	}
+	if _, ok := _c.mutation.Completed(); !ok {
+		v := todo.DefaultCompleted
+		_c.mutation.SetCompleted(v)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (_c *TodoCreate) check() error {
+	if _, ok := _c.mutation.CreatedAt(); !ok {
+		return &ValidationError{Name: "created_at", err: errors.New(`ent: missing required field "Todo.created_at"`)}
+	}
+	if _, ok := _c.mutation.UpdatedAt(); !ok {
+		return &ValidationError{Name: "updated_at", err: errors.New(`ent: missing required field "Todo.updated_at"`)}
+	}
+	if _, ok := _c.mutation.Title(); !ok {
+		return &ValidationError{Name: "title", err: errors.New(`ent: missing required field "Todo.title"`)}
+	}
+	if _, ok := _c.mutation.Completed(); !ok {
+		return &ValidationError{Name: "completed", err: errors.New(`ent: missing required field "Todo.completed"`)}
+	}
+	return nil
+}
+
+func (_c *TodoCreate) sqlSave(ctx context.Context) (*Todo, error) {
+	if err := _c.check(); err != nil {
+		return nil, err
+	}
+	_node, _spec := _c.createSpec()
+	if err := sqlgraph.CreateNode(ctx, _c.driver, _spec); err != nil {
+		if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	id := _spec.ID.Value.(int64)
+	_node.ID = int(id)
+	_c.mutation.id = &_node.ID
+	_c.mutation.done = true
+	return _node, nil
+}
+
+func (_c *TodoCreate) createSpec() (*Todo, *sqlgraph.CreateSpec) {
+	var (
+		_node = &Todo{config: _c.config}
+		_spec = sqlgraph.NewCreateSpec(todo.Table, sqlgraph.NewFieldSpec(todo.FieldID, field.TypeInt))
+	)
+	if value, ok := _c.mutation.CreatedAt(); ok {
+		_spec.SetField(todo.FieldCreatedAt, field.TypeTime, value)
+		_node.CreatedAt = value
+	}
+	if value, ok := _c.mutation.UpdatedAt(); ok {
+		_spec.SetField(todo.FieldUpdatedAt, field.TypeTime, value)
+		_node.UpdatedAt = value
+	}
+	if value, ok := _c.mutation.Title(); ok {
+		_spec.SetField(todo.FieldTitle, field.TypeString, value)
+		_node.Title = value
+	}
+	if value, ok := _c.mutation.Completed(); ok {
+		_spec.SetField(todo.FieldCompleted, field.TypeBool, value)
+		_node.Completed = value
+	}
+	if nodes := _c.mutation.UserIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2O,
+			Inverse: false,
+			Table:   todo.UserTable,
+			Columns: []string{todo.UserColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_node.todo_user = &nodes[0]
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	return _node, _spec
+}
+
+// TodoCreateBulk is the builder for creating many Todo entities in bulk.
+type TodoCreateBulk struct {
+	config
+	err      error
+	builders []*TodoCreate
+}
+
+// Save creates the Todo entities in the database.
+func (_c *TodoCreateBulk) Save(ctx context.Context) ([]*Todo, error) {
+	if _c.err != nil {
+		return nil, _c.err
+	}
+	specs := make([]*sqlgraph.CreateSpec, len(_c.builders))
+	nodes := make([]*Todo, len(_c.builders))
+	mutators := make([]Mutator, len(_c.builders))
+	for i := range _c.builders {
+		func(i int, root context.Context) {
+			builder := _c.builders[i]
+			builder.defaults()
+			var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+				mutation, ok := m.(*TodoMutation)
+				if !ok {
+					return nil, fmt.Errorf("unexpected mutation type %T", m)
+				}
+				if err := builder.check(); err != nil {
+					return nil, err
+				}
+				builder.mutation = mutation
+				var err error
+				nodes[i], specs[i] = builder.createSpec()
+				if i < len(mutators)-1 {
+					_, err = mutators[i+1].Mutate(root, _c.builders[i+1].mutation)
+				} else {
+					spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
+					// Invoke the actual operation on the latest mutation in the chain.
+					if err = sqlgraph.BatchCreate(ctx, _c.driver, spec); err != nil {
+						if sqlgraph.IsConstraintError(err) {
+							err = &ConstraintError{msg: err.Error(), wrap: err}
+						}
+					}
+				}
+				if err != nil {
+					return nil, err
+				}
+				mutation.id = &nodes[i].ID
+				if specs[i].ID.Value != nil {
+					id := specs[i].ID.Value.(int64)
+					nodes[i].ID = int(id)
+				}
+				mutation.done = true
+				return nodes[i], nil
+			})
+			for i := len(builder.hooks) - 1; i >= 0; i-- {
+				mut = builder.hooks[i](mut)
+			}
+			mutators[i] = mut
+		}(i, ctx)
+	}
+	if len(mutators) > 0 {
+		if _, err := mutators[0].Mutate(ctx, _c.builders[0].mutation); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_c *TodoCreateBulk) SaveX(ctx context.Context) []*Todo {
+	v, err := _c.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (_c *TodoCreateBulk) Exec(ctx context.Context) error {
+	_, err := _c.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_c *TodoCreateBulk) ExecX(ctx context.Context) {
+	if err := _c.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

starter/ent/todo_delete.go

@@ -0,0 +1,88 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"ersteller-lib/starter/ent/predicate"
+	"ersteller-lib/starter/ent/todo"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// TodoDelete is the builder for deleting a Todo entity.
+type TodoDelete struct {
+	config
+	hooks    []Hook
+	mutation *TodoMutation
+}
+
+// Where appends a list predicates to the TodoDelete builder.
+func (_d *TodoDelete) Where(ps ...predicate.Todo) *TodoDelete {
+	_d.mutation.Where(ps...)
+	return _d
+}
+
+// Exec executes the deletion query and returns how many vertices were deleted.
+func (_d *TodoDelete) Exec(ctx context.Context) (int, error) {
+	return withHooks(ctx, _d.sqlExec, _d.mutation, _d.hooks)
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_d *TodoDelete) ExecX(ctx context.Context) int {
+	n, err := _d.Exec(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return n
+}
+
+func (_d *TodoDelete) sqlExec(ctx context.Context) (int, error) {
+	_spec := sqlgraph.NewDeleteSpec(todo.Table, sqlgraph.NewFieldSpec(todo.FieldID, field.TypeInt))
+	if ps := _d.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	affected, err := sqlgraph.DeleteNodes(ctx, _d.driver, _spec)
+	if err != nil && sqlgraph.IsConstraintError(err) {
+		err = &ConstraintError{msg: err.Error(), wrap: err}
+	}
+	_d.mutation.done = true
+	return affected, err
+}
+
+// TodoDeleteOne is the builder for deleting a single Todo entity.
+type TodoDeleteOne struct {
+	_d *TodoDelete
+}
+
+// Where appends a list predicates to the TodoDelete builder.
+func (_d *TodoDeleteOne) Where(ps ...predicate.Todo) *TodoDeleteOne {
+	_d._d.mutation.Where(ps...)
+	return _d
+}
+
+// Exec executes the deletion query.
+func (_d *TodoDeleteOne) Exec(ctx context.Context) error {
+	n, err := _d._d.Exec(ctx)
+	switch {
+	case err != nil:
+		return err
+	case n == 0:
+		return &NotFoundError{todo.Label}
+	default:
+		return nil
+	}
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_d *TodoDeleteOne) ExecX(ctx context.Context) {
+	if err := _d.Exec(ctx); err != nil {
+		panic(err)
+	}
+}

starter/ent/todo_query.go

@@ -0,0 +1,614 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"ersteller-lib/starter/ent/predicate"
+	"ersteller-lib/starter/ent/todo"
+	"ersteller-lib/starter/ent/user"
+	"fmt"
+	"math"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// TodoQuery is the builder for querying Todo entities.
+type TodoQuery struct {
+	config
+	ctx        *QueryContext
+	order      []todo.OrderOption
+	inters     []Interceptor
+	predicates []predicate.Todo
+	withUser   *UserQuery
+	withFKs    bool
+	// intermediate query (i.e. traversal path).
+	sql  *sql.Selector
+	path func(context.Context) (*sql.Selector, error)
+}
+
+// Where adds a new predicate for the TodoQuery builder.
+func (_q *TodoQuery) Where(ps ...predicate.Todo) *TodoQuery {
+	_q.predicates = append(_q.predicates, ps...)
+	return _q
+}
+
+// Limit the number of records to be returned by this query.
+func (_q *TodoQuery) Limit(limit int) *TodoQuery {
+	_q.ctx.Limit = &limit
+	return _q
+}
+
+// Offset to start from.
+func (_q *TodoQuery) Offset(offset int) *TodoQuery {
+	_q.ctx.Offset = &offset
+	return _q
+}
+
+// Unique configures the query builder to filter duplicate records on query.
+// By default, unique is set to true, and can be disabled using this method.
+func (_q *TodoQuery) Unique(unique bool) *TodoQuery {
+	_q.ctx.Unique = &unique
+	return _q
+}
+
+// Order specifies how the records should be ordered.
+func (_q *TodoQuery) Order(o ...todo.OrderOption) *TodoQuery {
+	_q.order = append(_q.order, o...)
+	return _q
+}
+
+// QueryUser chains the current query on the "user" edge.
+func (_q *TodoQuery) QueryUser() *UserQuery {
+	query := (&UserClient{config: _q.config}).Query()
+	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
+		if err := _q.prepareQuery(ctx); err != nil {
+			return nil, err
+		}
+		selector := _q.sqlQuery(ctx)
+		if err := selector.Err(); err != nil {
+			return nil, err
+		}
+		step := sqlgraph.NewStep(
+			sqlgraph.From(todo.Table, todo.FieldID, selector),
+			sqlgraph.To(user.Table, user.FieldID),
+			sqlgraph.Edge(sqlgraph.M2O, false, todo.UserTable, todo.UserColumn),
+		)
+		fromU = sqlgraph.SetNeighbors(_q.driver.Dialect(), step)
+		return fromU, nil
+	}
+	return query
+}
+
+// First returns the first Todo entity from the query.
+// Returns a *NotFoundError when no Todo was found.
+func (_q *TodoQuery) First(ctx context.Context) (*Todo, error) {
+	nodes, err := _q.Limit(1).All(setContextOp(ctx, _q.ctx, ent.OpQueryFirst))
+	if err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nil, &NotFoundError{todo.Label}
+	}
+	return nodes[0], nil
+}
+
+// FirstX is like First, but panics if an error occurs.
+func (_q *TodoQuery) FirstX(ctx context.Context) *Todo {
+	node, err := _q.First(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return node
+}
+
+// FirstID returns the first Todo ID from the query.
+// Returns a *NotFoundError when no Todo ID was found.
+func (_q *TodoQuery) FirstID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = _q.Limit(1).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryFirstID)); err != nil {
+		return
+	}
+	if len(ids) == 0 {
+		err = &NotFoundError{todo.Label}
+		return
+	}
+	return ids[0], nil
+}
+
+// FirstIDX is like FirstID, but panics if an error occurs.
+func (_q *TodoQuery) FirstIDX(ctx context.Context) int {
+	id, err := _q.FirstID(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return id
+}
+
+// Only returns a single Todo entity found by the query, ensuring it only returns one.
+// Returns a *NotSingularError when more than one Todo entity is found.
+// Returns a *NotFoundError when no Todo entities are found.
+func (_q *TodoQuery) Only(ctx context.Context) (*Todo, error) {
+	nodes, err := _q.Limit(2).All(setContextOp(ctx, _q.ctx, ent.OpQueryOnly))
+	if err != nil {
+		return nil, err
+	}
+	switch len(nodes) {
+	case 1:
+		return nodes[0], nil
+	case 0:
+		return nil, &NotFoundError{todo.Label}
+	default:
+		return nil, &NotSingularError{todo.Label}
+	}
+}
+
+// OnlyX is like Only, but panics if an error occurs.
+func (_q *TodoQuery) OnlyX(ctx context.Context) *Todo {
+	node, err := _q.Only(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// OnlyID is like Only, but returns the only Todo ID in the query.
+// Returns a *NotSingularError when more than one Todo ID is found.
+// Returns a *NotFoundError when no entities are found.
+func (_q *TodoQuery) OnlyID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = _q.Limit(2).IDs(setContextOp(ctx, _q.ctx, ent.OpQueryOnlyID)); err != nil {
+		return
+	}
+	switch len(ids) {
+	case 1:
+		id = ids[0]
+	case 0:
+		err = &NotFoundError{todo.Label}
+	default:
+		err = &NotSingularError{todo.Label}
+	}
+	return
+}
+
+// OnlyIDX is like OnlyID, but panics if an error occurs.
+func (_q *TodoQuery) OnlyIDX(ctx context.Context) int {
+	id, err := _q.OnlyID(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}
+
+// All executes the query and returns a list of Todos.
+func (_q *TodoQuery) All(ctx context.Context) ([]*Todo, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryAll)
+	if err := _q.prepareQuery(ctx); err != nil {
+		return nil, err
+	}
+	qr := querierAll[[]*Todo, *TodoQuery]()
+	return withInterceptors[[]*Todo](ctx, _q, qr, _q.inters)
+}
+
+// AllX is like All, but panics if an error occurs.
+func (_q *TodoQuery) AllX(ctx context.Context) []*Todo {
+	nodes, err := _q.All(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return nodes
+}
+
+// IDs executes the query and returns a list of Todo IDs.
+func (_q *TodoQuery) IDs(ctx context.Context) (ids []int, err error) {
+	if _q.ctx.Unique == nil && _q.path != nil {
+		_q.Unique(true)
+	}
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryIDs)
+	if err = _q.Select(todo.FieldID).Scan(ctx, &ids); err != nil {
+		return nil, err
+	}
+	return ids, nil
+}
+
+// IDsX is like IDs, but panics if an error occurs.
+func (_q *TodoQuery) IDsX(ctx context.Context) []int {
+	ids, err := _q.IDs(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return ids
+}
+
+// Count returns the count of the given query.
+func (_q *TodoQuery) Count(ctx context.Context) (int, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryCount)
+	if err := _q.prepareQuery(ctx); err != nil {
+		return 0, err
+	}
+	return withInterceptors[int](ctx, _q, querierCount[*TodoQuery](), _q.inters)
+}
+
+// CountX is like Count, but panics if an error occurs.
+func (_q *TodoQuery) CountX(ctx context.Context) int {
+	count, err := _q.Count(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return count
+}
+
+// Exist returns true if the query has elements in the graph.
+func (_q *TodoQuery) Exist(ctx context.Context) (bool, error) {
+	ctx = setContextOp(ctx, _q.ctx, ent.OpQueryExist)
+	switch _, err := _q.FirstID(ctx); {
+	case IsNotFound(err):
+		return false, nil
+	case err != nil:
+		return false, fmt.Errorf("ent: check existence: %w", err)
+	default:
+		return true, nil
+	}
+}
+
+// ExistX is like Exist, but panics if an error occurs.
+func (_q *TodoQuery) ExistX(ctx context.Context) bool {
+	exist, err := _q.Exist(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return exist
+}
+
+// Clone returns a duplicate of the TodoQuery builder, including all associated steps. It can be
+// used to prepare common query builders and use them differently after the clone is made.
+func (_q *TodoQuery) Clone() *TodoQuery {
+	if _q == nil {
+		return nil
+	}
+	return &TodoQuery{
+		config:     _q.config,
+		ctx:        _q.ctx.Clone(),
+		order:      append([]todo.OrderOption{}, _q.order...),
+		inters:     append([]Interceptor{}, _q.inters...),
+		predicates: append([]predicate.Todo{}, _q.predicates...),
+		withUser:   _q.withUser.Clone(),
+		// clone intermediate query.
+		sql:  _q.sql.Clone(),
+		path: _q.path,
+	}
+}
+
+// WithUser tells the query-builder to eager-load the nodes that are connected to
+// the "user" edge. The optional arguments are used to configure the query builder of the edge.
+func (_q *TodoQuery) WithUser(opts ...func(*UserQuery)) *TodoQuery {
+	query := (&UserClient{config: _q.config}).Query()
+	for _, opt := range opts {
+		opt(query)
+	}
+	_q.withUser = query
+	return _q
+}
+
+// GroupBy is used to group vertices by one or more fields/columns.
+// It is often used with aggregate functions, like: count, max, mean, min, sum.
+//
+// Example:
+//
+//	var v []struct {
+//		CreatedAt time.Time `json:"created_at,omitempty"`
+//		Count int `json:"count,omitempty"`
+//	}
+//
+//	client.Todo.Query().
+//		GroupBy(todo.FieldCreatedAt).
+//		Aggregate(ent.Count()).
+//		Scan(ctx, &v)
+func (_q *TodoQuery) GroupBy(field string, fields ...string) *TodoGroupBy {
+	_q.ctx.Fields = append([]string{field}, fields...)
+	grbuild := &TodoGroupBy{build: _q}
+	grbuild.flds = &_q.ctx.Fields
+	grbuild.label = todo.Label
+	grbuild.scan = grbuild.Scan
+	return grbuild
+}
+
+// Select allows the selection one or more fields/columns for the given query,
+// instead of selecting all fields in the entity.
+//
+// Example:
+//
+//	var v []struct {
+//		CreatedAt time.Time `json:"created_at,omitempty"`
+//	}
+//
+//	client.Todo.Query().
+//		Select(todo.FieldCreatedAt).
+//		Scan(ctx, &v)
+func (_q *TodoQuery) Select(fields ...string) *TodoSelect {
+	_q.ctx.Fields = append(_q.ctx.Fields, fields...)
+	sbuild := &TodoSelect{TodoQuery: _q}
+	sbuild.label = todo.Label
+	sbuild.flds, sbuild.scan = &_q.ctx.Fields, sbuild.Scan
+	return sbuild
+}
+
+// Aggregate returns a TodoSelect configured with the given aggregations.
+func (_q *TodoQuery) Aggregate(fns ...AggregateFunc) *TodoSelect {
+	return _q.Select().Aggregate(fns...)
+}
+
+func (_q *TodoQuery) prepareQuery(ctx context.Context) error {
+	for _, inter := range _q.inters {
+		if inter == nil {
+			return fmt.Errorf("ent: uninitialized interceptor (forgotten import ent/runtime?)")
+		}
+		if trv, ok := inter.(Traverser); ok {
+			if err := trv.Traverse(ctx, _q); err != nil {
+				return err
+			}
+		}
+	}
+	for _, f := range _q.ctx.Fields {
+		if !todo.ValidColumn(f) {
+			return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+		}
+	}
+	if _q.path != nil {
+		prev, err := _q.path(ctx)
+		if err != nil {
+			return err
+		}
+		_q.sql = prev
+	}
+	return nil
+}
+
+func (_q *TodoQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*Todo, error) {
+	var (
+		nodes       = []*Todo{}
+		withFKs     = _q.withFKs
+		_spec       = _q.querySpec()
+		loadedTypes = [1]bool{
+			_q.withUser != nil,
+		}
+	)
+	if _q.withUser != nil {
+		withFKs = true
+	}
+	if withFKs {
+		_spec.Node.Columns = append(_spec.Node.Columns, todo.ForeignKeys...)
+	}
+	_spec.ScanValues = func(columns []string) ([]any, error) {
+		return (*Todo).scanValues(nil, columns)
+	}
+	_spec.Assign = func(columns []string, values []any) error {
+		node := &Todo{config: _q.config}
+		nodes = append(nodes, node)
+		node.Edges.loadedTypes = loadedTypes
+		return node.assignValues(columns, values)
+	}
+	for i := range hooks {
+		hooks[i](ctx, _spec)
+	}
+	if err := sqlgraph.QueryNodes(ctx, _q.driver, _spec); err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nodes, nil
+	}
+	if query := _q.withUser; query != nil {
+		if err := _q.loadUser(ctx, query, nodes, nil,
+			func(n *Todo, e *User) { n.Edges.User = e }); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+func (_q *TodoQuery) loadUser(ctx context.Context, query *UserQuery, nodes []*Todo, init func(*Todo), assign func(*Todo, *User)) error {
+	ids := make([]int, 0, len(nodes))
+	nodeids := make(map[int][]*Todo)
+	for i := range nodes {
+		if nodes[i].todo_user == nil {
+			continue
+		}
+		fk := *nodes[i].todo_user
+		if _, ok := nodeids[fk]; !ok {
+			ids = append(ids, fk)
+		}
+		nodeids[fk] = append(nodeids[fk], nodes[i])
+	}
+	if len(ids) == 0 {
+		return nil
+	}
+	query.Where(user.IDIn(ids...))
+	neighbors, err := query.All(ctx)
+	if err != nil {
+		return err
+	}
+	for _, n := range neighbors {
+		nodes, ok := nodeids[n.ID]
+		if !ok {
+			return fmt.Errorf(`unexpected foreign-key "todo_user" returned %v`, n.ID)
+		}
+		for i := range nodes {
+			assign(nodes[i], n)
+		}
+	}
+	return nil
+}
+
+func (_q *TodoQuery) sqlCount(ctx context.Context) (int, error) {
+	_spec := _q.querySpec()
+	_spec.Node.Columns = _q.ctx.Fields
+	if len(_q.ctx.Fields) > 0 {
+		_spec.Unique = _q.ctx.Unique != nil && *_q.ctx.Unique
+	}
+	return sqlgraph.CountNodes(ctx, _q.driver, _spec)
+}
+
+func (_q *TodoQuery) querySpec() *sqlgraph.QuerySpec {
+	_spec := sqlgraph.NewQuerySpec(todo.Table, todo.Columns, sqlgraph.NewFieldSpec(todo.FieldID, field.TypeInt))
+	_spec.From = _q.sql
+	if unique := _q.ctx.Unique; unique != nil {
+		_spec.Unique = *unique
+	} else if _q.path != nil {
+		_spec.Unique = true
+	}
+	if fields := _q.ctx.Fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, todo.FieldID)
+		for i := range fields {
+			if fields[i] != todo.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
+			}
+		}
+	}
+	if ps := _q.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if limit := _q.ctx.Limit; limit != nil {
+		_spec.Limit = *limit
+	}
+	if offset := _q.ctx.Offset; offset != nil {
+		_spec.Offset = *offset
+	}
+	if ps := _q.order; len(ps) > 0 {
+		_spec.Order = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	return _spec
+}
+
+func (_q *TodoQuery) sqlQuery(ctx context.Context) *sql.Selector {
+	builder := sql.Dialect(_q.driver.Dialect())
+	t1 := builder.Table(todo.Table)
+	columns := _q.ctx.Fields
+	if len(columns) == 0 {
+		columns = todo.Columns
+	}
+	selector := builder.Select(t1.Columns(columns...)...).From(t1)
+	if _q.sql != nil {
+		selector = _q.sql
+		selector.Select(selector.Columns(columns...)...)
+	}
+	if _q.ctx.Unique != nil && *_q.ctx.Unique {
+		selector.Distinct()
+	}
+	for _, p := range _q.predicates {
+		p(selector)
+	}
+	for _, p := range _q.order {
+		p(selector)
+	}
+	if offset := _q.ctx.Offset; offset != nil {
+		// limit is mandatory for offset clause. We start
+		// with default value, and override it below if needed.
+		selector.Offset(*offset).Limit(math.MaxInt32)
+	}
+	if limit := _q.ctx.Limit; limit != nil {
+		selector.Limit(*limit)
+	}
+	return selector
+}
+
+// TodoGroupBy is the group-by builder for Todo entities.
+type TodoGroupBy struct {
+	selector
+	build *TodoQuery
+}
+
+// Aggregate adds the given aggregation functions to the group-by query.
+func (_g *TodoGroupBy) Aggregate(fns ...AggregateFunc) *TodoGroupBy {
+	_g.fns = append(_g.fns, fns...)
+	return _g
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (_g *TodoGroupBy) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, _g.build.ctx, ent.OpQueryGroupBy)
+	if err := _g.build.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*TodoQuery, *TodoGroupBy](ctx, _g.build, _g, _g.build.inters, v)
+}
+
+func (_g *TodoGroupBy) sqlScan(ctx context.Context, root *TodoQuery, v any) error {
+	selector := root.sqlQuery(ctx).Select()
+	aggregation := make([]string, 0, len(_g.fns))
+	for _, fn := range _g.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	if len(selector.SelectedColumns()) == 0 {
+		columns := make([]string, 0, len(*_g.flds)+len(_g.fns))
+		for _, f := range *_g.flds {
+			columns = append(columns, selector.C(f))
+		}
+		columns = append(columns, aggregation...)
+		selector.Select(columns...)
+	}
+	selector.GroupBy(selector.Columns(*_g.flds...)...)
+	if err := selector.Err(); err != nil {
+		return err
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := _g.build.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
+
+// TodoSelect is the builder for selecting fields of Todo entities.
+type TodoSelect struct {
+	*TodoQuery
+	selector
+}
+
+// Aggregate adds the given aggregation functions to the selector query.
+func (_s *TodoSelect) Aggregate(fns ...AggregateFunc) *TodoSelect {
+	_s.fns = append(_s.fns, fns...)
+	return _s
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (_s *TodoSelect) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, _s.ctx, ent.OpQuerySelect)
+	if err := _s.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*TodoQuery, *TodoSelect](ctx, _s.TodoQuery, _s, _s.inters, v)
+}
+
+func (_s *TodoSelect) sqlScan(ctx context.Context, root *TodoQuery, v any) error {
+	selector := root.sqlQuery(ctx)
+	aggregation := make([]string, 0, len(_s.fns))
+	for _, fn := range _s.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	switch n := len(*_s.selector.flds); {
+	case n == 0 && len(aggregation) > 0:
+		selector.Select(aggregation...)
+	case n != 0 && len(aggregation) > 0:
+		selector.AppendSelect(aggregation...)
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := _s.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}

starter/ent/todo_update.go

@@ -0,0 +1,389 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"ersteller-lib/starter/ent/predicate"
+	"ersteller-lib/starter/ent/todo"
+	"ersteller-lib/starter/ent/user"
+	"fmt"
+	"time"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// TodoUpdate is the builder for updating Todo entities.
+type TodoUpdate struct {
+	config
+	hooks    []Hook
+	mutation *TodoMutation
+}
+
+// Where appends a list predicates to the TodoUpdate builder.
+func (_u *TodoUpdate) Where(ps ...predicate.Todo) *TodoUpdate {
+	_u.mutation.Where(ps...)
+	return _u
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (_u *TodoUpdate) SetUpdatedAt(v time.Time) *TodoUpdate {
+	_u.mutation.SetUpdatedAt(v)
+	return _u
+}
+
+// SetTitle sets the "title" field.
+func (_u *TodoUpdate) SetTitle(v string) *TodoUpdate {
+	_u.mutation.SetTitle(v)
+	return _u
+}
+
+// SetNillableTitle sets the "title" field if the given value is not nil.
+func (_u *TodoUpdate) SetNillableTitle(v *string) *TodoUpdate {
+	if v != nil {
+		_u.SetTitle(*v)
+	}
+	return _u
+}
+
+// SetCompleted sets the "completed" field.
+func (_u *TodoUpdate) SetCompleted(v bool) *TodoUpdate {
+	_u.mutation.SetCompleted(v)
+	return _u
+}
+
+// SetNillableCompleted sets the "completed" field if the given value is not nil.
+func (_u *TodoUpdate) SetNillableCompleted(v *bool) *TodoUpdate {
+	if v != nil {
+		_u.SetCompleted(*v)
+	}
+	return _u
+}
+
+// SetUserID sets the "user" edge to the User entity by ID.
+func (_u *TodoUpdate) SetUserID(id int) *TodoUpdate {
+	_u.mutation.SetUserID(id)
+	return _u
+}
+
+// SetNillableUserID sets the "user" edge to the User entity by ID if the given value is not nil.
+func (_u *TodoUpdate) SetNillableUserID(id *int) *TodoUpdate {
+	if id != nil {
+		_u = _u.SetUserID(*id)
+	}
+	return _u
+}
+
+// SetUser sets the "user" edge to the User entity.
+func (_u *TodoUpdate) SetUser(v *User) *TodoUpdate {
+	return _u.SetUserID(v.ID)
+}
+
+// Mutation returns the TodoMutation object of the builder.
+func (_u *TodoUpdate) Mutation() *TodoMutation {
+	return _u.mutation
+}
+
+// ClearUser clears the "user" edge to the User entity.
+func (_u *TodoUpdate) ClearUser() *TodoUpdate {
+	_u.mutation.ClearUser()
+	return _u
+}
+
+// Save executes the query and returns the number of nodes affected by the update operation.
+func (_u *TodoUpdate) Save(ctx context.Context) (int, error) {
+	_u.defaults()
+	return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_u *TodoUpdate) SaveX(ctx context.Context) int {
+	affected, err := _u.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return affected
+}
+
+// Exec executes the query.
+func (_u *TodoUpdate) Exec(ctx context.Context) error {
+	_, err := _u.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_u *TodoUpdate) ExecX(ctx context.Context) {
+	if err := _u.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (_u *TodoUpdate) defaults() {
+	if _, ok := _u.mutation.UpdatedAt(); !ok {
+		v := todo.UpdateDefaultUpdatedAt()
+		_u.mutation.SetUpdatedAt(v)
+	}
+}
+
+func (_u *TodoUpdate) sqlSave(ctx context.Context) (_node int, err error) {
+	_spec := sqlgraph.NewUpdateSpec(todo.Table, todo.Columns, sqlgraph.NewFieldSpec(todo.FieldID, field.TypeInt))
+	if ps := _u.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := _u.mutation.UpdatedAt(); ok {
+		_spec.SetField(todo.FieldUpdatedAt, field.TypeTime, value)
+	}
+	if value, ok := _u.mutation.Title(); ok {
+		_spec.SetField(todo.FieldTitle, field.TypeString, value)
+	}
+	if value, ok := _u.mutation.Completed(); ok {
+		_spec.SetField(todo.FieldCompleted, field.TypeBool, value)
+	}
+	if _u.mutation.UserCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2O,
+			Inverse: false,
+			Table:   todo.UserTable,
+			Columns: []string{todo.UserColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := _u.mutation.UserIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2O,
+			Inverse: false,
+			Table:   todo.UserTable,
+			Columns: []string{todo.UserColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	if _node, err = sqlgraph.UpdateNodes(ctx, _u.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{todo.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return 0, err
+	}
+	_u.mutation.done = true
+	return _node, nil
+}
+
+// TodoUpdateOne is the builder for updating a single Todo entity.
+type TodoUpdateOne struct {
+	config
+	fields   []string
+	hooks    []Hook
+	mutation *TodoMutation
+}
+
+// SetUpdatedAt sets the "updated_at" field.
+func (_u *TodoUpdateOne) SetUpdatedAt(v time.Time) *TodoUpdateOne {
+	_u.mutation.SetUpdatedAt(v)
+	return _u
+}
+
+// SetTitle sets the "title" field.
+func (_u *TodoUpdateOne) SetTitle(v string) *TodoUpdateOne {
+	_u.mutation.SetTitle(v)
+	return _u
+}
+
+// SetNillableTitle sets the "title" field if the given value is not nil.
+func (_u *TodoUpdateOne) SetNillableTitle(v *string) *TodoUpdateOne {
+	if v != nil {
+		_u.SetTitle(*v)
+	}
+	return _u
+}
+
+// SetCompleted sets the "completed" field.
+func (_u *TodoUpdateOne) SetCompleted(v bool) *TodoUpdateOne {
+	_u.mutation.SetCompleted(v)
+	return _u
+}
+
+// SetNillableCompleted sets the "completed" field if the given value is not nil.
+func (_u *TodoUpdateOne) SetNillableCompleted(v *bool) *TodoUpdateOne {
+	if v != nil {
+		_u.SetCompleted(*v)
+	}
+	return _u
+}
+
+// SetUserID sets the "user" edge to the User entity by ID.
+func (_u *TodoUpdateOne) SetUserID(id int) *TodoUpdateOne {
+	_u.mutation.SetUserID(id)
+	return _u
+}
+
+// SetNillableUserID sets the "user" edge to the User entity by ID if the given value is not nil.
+func (_u *TodoUpdateOne) SetNillableUserID(id *int) *TodoUpdateOne {
+	if id != nil {
+		_u = _u.SetUserID(*id)
+	}
+	return _u
+}
+
+// SetUser sets the "user" edge to the User entity.
+func (_u *TodoUpdateOne) SetUser(v *User) *TodoUpdateOne {
+	return _u.SetUserID(v.ID)
+}
+
+// Mutation returns the TodoMutation object of the builder.
+func (_u *TodoUpdateOne) Mutation() *TodoMutation {
+	return _u.mutation
+}
+
+// ClearUser clears the "user" edge to the User entity.
+func (_u *TodoUpdateOne) ClearUser() *TodoUpdateOne {
+	_u.mutation.ClearUser()
+	return _u
+}
+
+// Where appends a list predicates to the TodoUpdate builder.
+func (_u *TodoUpdateOne) Where(ps ...predicate.Todo) *TodoUpdateOne {
+	_u.mutation.Where(ps...)
+	return _u
+}
+
+// Select allows selecting one or more fields (columns) of the returned entity.
+// The default is selecting all fields defined in the entity schema.
+func (_u *TodoUpdateOne) Select(field string, fields ...string) *TodoUpdateOne {
+	_u.fields = append([]string{field}, fields...)
+	return _u
+}
+
+// Save executes the query and returns the updated Todo entity.
+func (_u *TodoUpdateOne) Save(ctx context.Context) (*Todo, error) {
+	_u.defaults()
+	return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (_u *TodoUpdateOne) SaveX(ctx context.Context) *Todo {
+	node, err := _u.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// Exec executes the query on the entity.
+func (_u *TodoUpdateOne) Exec(ctx context.Context) error {
+	_, err := _u.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (_u *TodoUpdateOne) ExecX(ctx context.Context) {
+	if err := _u.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (_u *TodoUpdateOne) defaults() {
+	if _, ok := _u.mutation.UpdatedAt(); !ok {
+		v := todo.UpdateDefaultUpdatedAt()
+		_u.mutation.SetUpdatedAt(v)
+	}
+}
+
+func (_u *TodoUpdateOne) sqlSave(ctx context.Context) (_node *Todo, err error) {
+	_spec := sqlgraph.NewUpdateSpec(todo.Table, todo.Columns, sqlgraph.NewFieldSpec(todo.FieldID, field.TypeInt))
+	id, ok := _u.mutation.ID()
+	if !ok {
+		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "Todo.id" for update`)}
+	}
+	_spec.Node.ID.Value = id
+	if fields := _u.fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, todo.FieldID)
+		for _, f := range fields {
+			if !todo.ValidColumn(f) {
+				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+			}
+			if f != todo.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, f)
+			}
+		}
+	}
+	if ps := _u.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := _u.mutation.UpdatedAt(); ok {
+		_spec.SetField(todo.FieldUpdatedAt, field.TypeTime, value)
+	}
+	if value, ok := _u.mutation.Title(); ok {
+		_spec.SetField(todo.FieldTitle, field.TypeString, value)
+	}
+	if value, ok := _u.mutation.Completed(); ok {
+		_spec.SetField(todo.FieldCompleted, field.TypeBool, value)
+	}
+	if _u.mutation.UserCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2O,
+			Inverse: false,
+			Table:   todo.UserTable,
+			Columns: []string{todo.UserColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := _u.mutation.UserIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2O,
+			Inverse: false,
+			Table:   todo.UserTable,
+			Columns: []string{todo.UserColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	_node = &Todo{config: _u.config}
+	_spec.Assign = _node.assignValues
+	_spec.ScanValues = _node.scanValues
+	if err = sqlgraph.UpdateNode(ctx, _u.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{todo.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	_u.mutation.done = true
+	return _node, nil
+}

starter/ent/tx.go

@@ -14,6 +14,8 @@ type Tx struct {
 	config
 	// GoogleAuth is the client for interacting with the GoogleAuth builders.
 	GoogleAuth *GoogleAuthClient
+	// Todo is the client for interacting with the Todo builders.
+	Todo *TodoClient
 	// User is the client for interacting with the User builders.
 	User *UserClient
 
@@ -148,6 +150,7 @@ func (tx *Tx) Client() *Client {
 
 func (tx *Tx) init() {
 	tx.GoogleAuth = NewGoogleAuthClient(tx.config)
+	tx.Todo = NewTodoClient(tx.config)
 	tx.User = NewUserClient(tx.config)
 }