feat: ユーザープロフィール画像のアップロード・削除機能を実装

Author: idw-coder

app/Http/Controllers/Api/UserController.php

@@ -32,6 +32,7 @@ public function update(Request $request)
                 Rule::unique('users')->ignore($user->id),
             ],
             'password' => 'nullable|min:8|confirmed',
+            'avatar' => 'nullable|string',
         ]);
 
         // 名前とメールアドレスを更新
@@ -43,6 +44,24 @@ public function update(Request $request)
             $user->password = Hash::make($validated['password']);
         }
 
+        // アバターの処理
+        if (array_key_exists('avatar', $validated)) {
+            if ($validated['avatar'] === null || $validated['avatar'] === '') {
+                // 削除の場合
+                $user->avatar = null;
+            } elseif (!empty($validated['avatar'])) {
+                // 更新の場合
+                $avatar = $validated['avatar'];
+                
+                // data:image/png;base64, などのプレフィックスを削除
+                if (preg_match('/^data:image\/(\w+);base64,/', $avatar)) {
+                    $avatar = substr($avatar, strpos($avatar, ',') + 1);
+                }
+                
+                $user->avatar = $avatar;
+            }
+        }
+
         $user->save();
 
         return response()->json([

app/Models/User.php

@@ -30,7 +30,8 @@ class User extends Authenticatable
         'name',
         'email',
         'password',
-        'google_id', // Google OAuthのID
+        'google_id',
+        'avatar',
     ];
 
     /**

database/migrations/2025_11_23_072904_add_avatar_to_users_table.php

@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->longText('avatar')->nullable()->after('email');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->dropColumn('avatar');
+        });
+    }
+};