release edit page! + a lot of other stuff oml

Signed-off-by: ari melody <ari@arimelody.me>

admin/releasehttp.go

@@ -0,0 +1,58 @@
+package admin
+
+import (
+	"fmt"
+	"html/template"
+	"net/http"
+	"strings"
+
+	"arimelody.me/arimelody.me/global"
+	"arimelody.me/arimelody.me/music/model"
+)
+
+type (
+    gatewayTrack struct {
+        *model.Track
+        Lyrics template.HTML
+        Number int
+    }
+
+    gatewayRelease struct {
+        *model.Release
+        Tracks []gatewayTrack
+    }
+)
+
+func serveRelease() http.Handler {
+    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+        if r.URL.Path == "/" {
+            http.NotFound(w, r)
+            return
+        }
+
+        id := r.URL.Path[1:]
+        release := global.GetRelease(id)
+        if release == nil {
+            http.NotFound(w, r)
+            return
+        }
+
+        tracks := []gatewayTrack{}
+        for i, track := range release.Tracks {
+            tracks = append([]gatewayTrack{{
+                Track: track,
+                Lyrics: template.HTML(strings.Replace(track.Lyrics, "\n", "<br>", -1)),
+                Number: len(release.Tracks) - i,
+            }}, tracks...)
+        }
+
+        lrw := global.LoggingResponseWriter{ResponseWriter: w, Code: http.StatusOK}
+
+        serveTemplate("edit-release.html", gatewayRelease{release, tracks}).ServeHTTP(&lrw, r)
+
+        if lrw.Code != http.StatusOK {
+            fmt.Printf("Error rendering admin release page for %s\n", id)
+            return
+        }
+    })
+}