Achim Rohn
111 lines
2.6 KiB
Go
111 lines
2.6 KiB
Go
package ersteller_lib
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import (
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"maragu.dev/gomponents"
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htmx "maragu.dev/gomponents-htmx"
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"net/http"
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)
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type HtmxContext interface {
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Render(node gomponents.Node)
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GetLanguage() Language
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GetActivePath() *ActivePath
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HasActivePath() bool
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SetActivePath(activePath *ActivePath)
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}
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type HtmxContextImpl struct {
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req *http.Request
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res http.ResponseWriter
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language Language
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activePath *ActivePath
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}
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func (c *HtmxContextImpl) SetActivePath(activePath *ActivePath) {
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c.activePath = activePath
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}
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func (c *HtmxContextImpl) GetActivePath() *ActivePath {
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return c.activePath
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}
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func (c *HtmxContextImpl) HasActivePath() bool {
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return c.activePath != nil
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}
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func (c *HtmxContextImpl) GetLanguage() Language {
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return c.language
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}
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func NewHtmxContext(req *http.Request, res http.ResponseWriter, language Language) HtmxContext {
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return &HtmxContextImpl{req: req, res: res, language: language}
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}
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func (c *HtmxContextImpl) Render(node gomponents.Node) {
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err := node.Render(c.res)
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if err != nil {
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Error("failed to render", err)
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_, writeErr := c.res.Write([]byte(err.Error()))
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if writeErr != nil {
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Error("failed to write error", writeErr)
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}
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c.res.WriteHeader(500)
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}
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}
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type HtmxRouteFunc func(ctx HtmxContext)
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type HtmxPathParam struct {
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Key string
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Value string
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}
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type HtmxRoute interface {
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WithPathParams(params ...HtmxPathParam) HtmxRoute
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ToUrl(queryParams ...HtmxPathParam) string
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GetHtmx(queryParams ...HtmxPathParam) gomponents.Node
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SetActivePath(activePath *ActivePath) HtmxRoute
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}
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type HtmxGetRoute struct {
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Path string
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RouteFunc HtmxRouteFunc
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PathParams []HtmxPathParam
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Languages []Language
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ActivePath *ActivePath
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}
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func (h HtmxGetRoute) SetActivePath(activePath *ActivePath) HtmxRoute {
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h.ActivePath = activePath
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return h
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}
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func NewHtmxGetRoute(path string, routeFunc HtmxRouteFunc, languages ...Language) *HtmxGetRoute {
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return &HtmxGetRoute{Path: path, RouteFunc: routeFunc, Languages: languages}
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}
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func (h HtmxGetRoute) Add(server *http.ServeMux) {
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for _, language := range h.Languages {
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server.HandleFunc("GET /"+string(language)+h.Path, func(res http.ResponseWriter, req *http.Request) {
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context := NewHtmxContext(req, res, language)
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if h.ActivePath != nil {
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context.SetActivePath(h.ActivePath)
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}
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h.RouteFunc(context)
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})
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}
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}
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func (h HtmxGetRoute) WithPathParams(params ...HtmxPathParam) HtmxRoute {
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h.PathParams = params
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return h
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}
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func (h HtmxGetRoute) ToUrl(queryParams ...HtmxPathParam) string {
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return h.Path
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}
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func (h HtmxGetRoute) GetHtmx(queryParams ...HtmxPathParam) gomponents.Node {
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return htmx.Get(h.ToUrl(queryParams...))
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}
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