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encapsulate notFoundHandler

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This commit is contained in:
Hayden 2022-09-03 19:10:42 -08:00
parent 5bf7efe87e
commit 61483c3ea4
1 changed files with 32 additions and 49 deletions
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81
backend/app/api/routes.go
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@ -5,7 +5,6 @@ import (
"errors" "errors"
"fmt" "fmt"
"io" "io"
"io/fs"
"mime" "mime"
"net/http" "net/http"
"path" "path"
@ -26,14 +25,11 @@ const prefix = "/api"
// registerRoutes registers all the routes for the API // registerRoutes registers all the routes for the API
func (a *app) newRouter(repos *repo.AllRepos) *chi.Mux { func (a *app) newRouter(repos *repo.AllRepos) *chi.Mux {
registerMimes()
r := chi.NewRouter() r := chi.NewRouter()
a.setGlobalMiddleware(r) a.setGlobalMiddleware(r)
// =========================================================================
// Base Routes
DumpEmbedContents()
r.Get("/swagger/*", httpSwagger.Handler( r.Get("/swagger/*", httpSwagger.Handler(
httpSwagger.URL(fmt.Sprintf("%s://%s/swagger/doc.json", a.conf.Swagger.Scheme, a.conf.Swagger.Host)), httpSwagger.URL(fmt.Sprintf("%s://%s/swagger/doc.json", a.conf.Swagger.Scheme, a.conf.Swagger.Host)),
)) ))
@ -78,8 +74,7 @@ func (a *app) newRouter(repos *repo.AllRepos) *chi.Mux {
}) })
} }
r.NotFound(NotFoundHandler) r.NotFound(notFoundHandler())
return r return r
} }
@ -106,7 +101,7 @@ func (a *app) LogRoutes(r *chi.Mux) {
var ErrDir = errors.New("path is dir") var ErrDir = errors.New("path is dir")
func init() { func registerMimes() {
err := mime.AddExtensionType(".js", "application/javascript") err := mime.AddExtensionType(".js", "application/javascript")
if err != nil { if err != nil {
panic(err) panic(err)
@ -118,48 +113,36 @@ func init() {
} }
} }
func tryRead(fs embed.FS, prefix, requestedPath string, w http.ResponseWriter) error { func notFoundHandler() http.HandlerFunc {
f, err := fs.Open(path.Join(prefix, requestedPath)) tryRead := func(fs embed.FS, prefix, requestedPath string, w http.ResponseWriter) error {
if err != nil { f, err := fs.Open(path.Join(prefix, requestedPath))
return err
}
defer f.Close()
stat, _ := f.Stat()
if stat.IsDir() {
return ErrDir
}
contentType := mime.TypeByExtension(filepath.Ext(requestedPath))
w.Header().Set("Content-Type", contentType)
_, err = io.Copy(w, f)
return err
}
func NotFoundHandler(w http.ResponseWriter, r *http.Request) {
err := tryRead(public, "public", r.URL.Path, w)
if err == nil {
return
}
log.Debug().
Str("path", r.URL.Path).
Msg("served from embed not found - serving index.html")
err = tryRead(public, "public", "index.html", w)
if err != nil {
panic(err)
}
}
func DumpEmbedContents() {
// recursively prints all contents in the embed.FS
err := fs.WalkDir(public, ".", func(path string, d fs.DirEntry, err error) error {
if err != nil { if err != nil {
return err return err
} }
fmt.Println(path) defer f.Close()
return nil
}) stat, _ := f.Stat()
if err != nil { if stat.IsDir() {
panic(err) return ErrDir
}
contentType := mime.TypeByExtension(filepath.Ext(requestedPath))
w.Header().Set("Content-Type", contentType)
_, err = io.Copy(w, f)
return err
}
return func(w http.ResponseWriter, r *http.Request) {
err := tryRead(public, "public", r.URL.Path, w)
if err == nil {
return
}
log.Debug().
Str("path", r.URL.Path).
Msg("served from embed not found - serving index.html")
err = tryRead(public, "public", "index.html", w)
if err != nil {
panic(err)
}
} }
} }