that's all the API create routes! + some admin UI

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

api/musiccredit.go

@@ -0,0 +1,65 @@
+package api
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	"arimelody.me/arimelody.me/global"
+	"arimelody.me/arimelody.me/music/model"
+	controller "arimelody.me/arimelody.me/music/controller"
+)
+
+func CreateMusicCredit() http.Handler {
+    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+        if r.Method != http.MethodPost {
+            http.NotFound(w, r)
+            return
+        }
+
+        type creditJSON struct {
+            Release string
+            Artist  string
+            Role    string
+            Primary bool
+        }
+
+        var data creditJSON
+        err := json.NewDecoder(r.Body).Decode(&data)
+        if err != nil {
+            http.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
+            return
+        }
+
+        var release = global.GetRelease(data.Release)
+        if release == nil {
+            http.Error(w, fmt.Sprintf("Release %s does not exist\n", data.Release), http.StatusBadRequest)
+            return
+        }
+
+        var artist = global.GetArtist(data.Artist)
+        if artist == nil {
+            http.Error(w, fmt.Sprintf("Artist %s does not exist\n", data.Artist), http.StatusBadRequest)
+            return
+        }
+
+        var credit = model.Credit{
+            Artist: artist,
+            Role: data.Role,
+            Primary: data.Primary,
+        }
+
+        err = controller.CreateCreditDB(global.DB, release.ID, artist.ID, &credit)
+        if err != nil {
+            fmt.Printf("Failed to create credit: %s\n", err)
+            http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+            return
+        }
+
+        release.Credits = append(release.Credits, &credit)
+
+        w.Header().Add("Content-Type", "application/json")
+        w.WriteHeader(http.StatusCreated)
+        err = json.NewEncoder(w).Encode(credit)
+    })
+}