add release credits update UI

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

admin/releasehttp.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"html/template"
 	"net/http"
+	"path"
 	"strings"
 
 	"arimelody.me/arimelody.me/global"
@@ -25,14 +26,26 @@ type (
 
 func serveRelease() http.Handler {
     return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-        if r.URL.Path == "/" {
+        slices := strings.Split(r.URL.Path[1:], "/")
+        id := slices[0]
+        release := global.GetRelease(id)
+        if release == nil {
             http.NotFound(w, r)
             return
         }
 
-        id := r.URL.Path[1:]
-        release := global.GetRelease(id)
-        if release == nil {
+        if len(slices) > 1 {
+            switch slices[1] {
+            case "editcredits":
+                serveEditCredits(release).ServeHTTP(w, r)
+                return
+            case "addcredit":
+                serveAddCredit(release).ServeHTTP(w, r)
+                return
+            case "newcredit":
+                serveNewCredit().ServeHTTP(w, r)
+                return
+            }
             http.NotFound(w, r)
             return
         }
@@ -56,3 +69,55 @@ func serveRelease() http.Handler {
         }
     })
 }
+
+func serveEditCredits(release *model.Release) http.Handler {
+    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+        w.Header().Set("Content-Type", "text/html")
+        serveComponent(path.Join("credits", "editcredits.html"), release).ServeHTTP(w, r)
+        return
+    })
+}
+
+func serveAddCredit(release *model.Release) http.Handler {
+    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+        var artists = []*model.Artist{}
+        for _, artist := range global.Artists {
+            var exists = false
+            for _, credit := range release.Credits {
+                if credit.Artist == artist {
+                    exists = true
+                    break
+                }
+            }
+            if !exists {
+                artists = append(artists, artist)
+            }
+        }
+
+        type response struct {
+            ReleaseID   string;
+            Artists     []*model.Artist
+        }
+
+        w.Header().Set("Content-Type", "text/html")
+        serveComponent(path.Join("credits", "addcredit.html"), response{
+            ReleaseID: release.ID,
+            Artists: artists,
+        }).ServeHTTP(w, r)
+        return
+    })
+}
+
+func serveNewCredit() http.Handler {
+    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+        artist := global.GetArtist(strings.Split(r.URL.Path, "/")[3])
+        if artist == nil {
+            http.NotFound(w, r)
+            return
+        }
+
+        w.Header().Set("Content-Type", "text/html")
+        serveComponent(path.Join("credits", "newcredit.html"), artist).ServeHTTP(w, r)
+        return
+    })
+}