Implement reordering with optimistic updates

app/stores/use-current-playlist-store.ts

@@ -0,0 +1,24 @@
+import { defineStore } from 'pinia'
+import type { PlaylistReadResponse } from '~/composeables/api/models'
+
+export const useCurrentPlaylistStore = defineStore('current-playlist', {
+    state: () => ({
+        id: -1,
+        ownerId: -1,
+        title: '',
+        createdAt: '',
+        updatedAt: '',
+    }),
+    getters: {
+        getId: (state) => state.id * 2,
+    },
+    actions: {
+        load(response: PlaylistReadResponse) {
+            this.id = response.id || -1;
+            this.ownerId = response.ownerId || -1;
+            this.title = response.title || '';
+            this.createdAt = response.createdAt || '';
+            this.updatedAt = response.updatedAt || '';
+        }
+    },
+})