refactor: move music admin to /admin/music; keep /admin generic

admin/music/musichttp.go

@@ -0,0 +1,69 @@
+package music
+
+import (
+	"arimelody-web/admin/templates"
+	"arimelody-web/controller"
+	"arimelody-web/model"
+	"fmt"
+	"net/http"
+	"os"
+)
+
+func Handler(app *model.AppState) http.Handler {
+    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+        mux := http.NewServeMux()
+
+        mux.Handle("/release/", http.StripPrefix("/release", serveRelease(app)))
+        mux.Handle("/artist/", http.StripPrefix("/artist", serveArtist(app)))
+        mux.Handle("/track/", http.StripPrefix("/track", serveTrack(app)))
+        mux.Handle("/", musicHandler(app))
+
+        mux.ServeHTTP(w, r)
+    })
+}
+
+func musicHandler(app *model.AppState) http.Handler {
+    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+        session := r.Context().Value("session").(*model.Session)
+
+        releases, err := controller.GetAllReleases(app.DB, false, 0, true)
+        if err != nil {
+            fmt.Fprintf(os.Stderr, "WARN: Failed to pull releases: %s\n", err)
+            http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+            return
+        }
+
+        artists, err := controller.GetAllArtists(app.DB)
+        if err != nil {
+            fmt.Fprintf(os.Stderr, "WARN: Failed to pull artists: %s\n", err)
+            http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+            return
+        }
+
+        tracks, err := controller.GetOrphanTracks(app.DB)
+        if err != nil {
+            fmt.Fprintf(os.Stderr, "WARN: Failed to pull orphan tracks: %s\n", err)
+            http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+            return
+        }
+
+        type MusicData struct {
+            Session     *model.Session
+            Releases    []*model.Release
+            Artists     []*model.Artist
+            Tracks      []*model.Track
+        }
+
+        err = templates.MusicTemplate.Execute(w, MusicData{
+            Session: session,
+            Releases: releases,
+            Artists: artists,
+            Tracks: tracks,
+        })
+        if err != nil {
+            fmt.Fprintf(os.Stderr, "WARN: Failed to render admin index: %s\n", err)
+            http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+            return
+        }
+    })
+}