Merge pull request #173 from shikorism/koresuki

チェックインに対する「いいね」機能

app/Ejaculation.php

@@ -2,11 +2,15 @@
 
 namespace App;
 
+use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\DB;
+use Staudenmeir\EloquentEagerLimit\HasEagerLimit;
 
 class Ejaculation extends Model
 {
-    //
+    use HasEagerLimit;
 
     protected $fillable = [
         'user_id', 'ejaculated_date',
@@ -34,4 +38,45 @@ class Ejaculation extends Model
             return $v->name;
         })->all());
     }
+
+    public function likes()
+    {
+        return $this->hasMany(Like::class);
+    }
+
+    public function scopeWithLikes(Builder $query)
+    {
+        if (Auth::check()) {
+            // TODO - このスコープを使うことでlikesが常に直近10件で絞られるのは汚染されすぎ感がある。別名を付与できないか？
+            //      - (ejaculation_id, user_id) でユニークなわけですが、is_liked はサブクエリ発行させるのとLeft JoinしてNULLかどうかで結果を見るのどっちがいいんでしょうね
+            return $query
+                ->with([
+                    'likes' => function ($query) {
+                        $query->latest()->take(10);
+                    },
+                    'likes.user' => function ($query) {
+                        $query->where('is_protected', false)
+                            ->orWhere('id', Auth::id());
+                    }
+                ])
+                ->withCount([
+                    'likes',
+                    'likes as is_liked' => function ($query) {
+                        $query->where('user_id', Auth::id());
+                    }
+                ]);
+        } else {
+            return $query
+                ->with([
+                    'likes' => function ($query) {
+                        $query->latest()->take(10);
+                    },
+                    'likes.user' => function ($query) {
+                        $query->where('is_protected', false);
+                    }
+                ])
+                ->withCount('likes')
+                ->addSelect(DB::raw('0 as is_liked'));
+        }
+    }
 }

app/Http/Controllers/Api/LikeController.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace App\Http\Controllers\Api;
+
+use App\Ejaculation;
+use App\Http\Controllers\Controller;
+use App\Like;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Validator;
+
+class LikeController extends Controller
+{
+    public function store(Request $request)
+    {
+        $request->validate([
+            'id' => 'required|integer|exists:ejaculations'
+        ]);
+
+        $keys = [
+            'user_id' => Auth::id(),
+            'ejaculation_id' => $request->input('id')
+        ];
+
+        $like = Like::query()->where($keys)->first();
+        if ($like) {
+            $data = [
+                'errors' => [
+                    ['message' => 'このチェックインはすでにいいね済です。']
+                ],
+                'ejaculation' => $like->ejaculation
+            ];
+
+            return response()->json($data, 409);
+        }
+
+        $like = Like::create($keys);
+
+        return [
+            'ejaculation' => $like->ejaculation
+        ];
+    }
+
+    public function destroy($id)
+    {
+        Validator::make(compact('id'), [
+            'id' => 'required|integer'
+        ])->validate();
+
+        $like = Like::query()->where([
+            'user_id' => Auth::id(),
+            'ejaculation_id' => $id
+        ])->first();
+        if ($like === null) {
+            $ejaculation = Ejaculation::find($id);
+
+            $data = [
+                'errors' => [
+                    ['message' => 'このチェックインはいいねされていません。']
+                ],
+                'ejaculation' => $ejaculation
+            ];
+
+            return response()->json($data, 404);
+        }
+
+        $like->delete();
+
+        return [
+            'ejaculation' => $like->ejaculation
+        ];
+    }
+}

app/Http/Controllers/EjaculationController.php

@@ -78,7 +78,9 @@ class EjaculationController extends Controller
 
     public function show($id)
     {
-        $ejaculation = Ejaculation::findOrFail($id);
+        $ejaculation = Ejaculation::where('id', $id)
+            ->withLikes()
+            ->firstOrFail();
         $user = User::findOrFail($ejaculation->user_id);
 
         // 1つ前のチェックインからの経過時間を求める

app/Http/Controllers/HomeController.php

@@ -69,6 +69,7 @@ SQL
                 ->orderBy('ejaculations.ejaculated_date', 'desc')
                 ->select('ejaculations.*')
                 ->with('user', 'tags')
+                ->withLikes()
                 ->take(10)
                 ->get();
 

app/Http/Controllers/SearchController.php

@@ -28,6 +28,7 @@ class SearchController extends Controller
             ->where('is_private', false)
             ->orderBy('ejaculated_date', 'desc')
             ->with(['user', 'tags'])
+            ->withLikes()
             ->paginate(20)
             ->appends($inputs);
 

app/Http/Controllers/SettingController.php

@@ -46,11 +46,12 @@ class SettingController extends Controller
 
     public function updatePrivacy(Request $request)
     {
-        $inputs = $request->all(['is_protected', 'accept_analytics']);
+        $inputs = $request->all(['is_protected', 'accept_analytics', 'private_likes']);
 
         $user = Auth::user();
         $user->is_protected = $inputs['is_protected'] ?? false;
         $user->accept_analytics = $inputs['accept_analytics'] ?? false;
+        $user->private_likes = $inputs['private_likes'] ?? false;
         $user->save();
 
         return redirect()->route('setting.privacy')->with('status', 'プライバシー設定を更新しました。');

app/Http/Controllers/TimelineController.php

@@ -16,6 +16,7 @@ class TimelineController extends Controller
             ->orderBy('ejaculations.ejaculated_date', 'desc')
             ->select('ejaculations.*')
             ->with('user', 'tags')
+            ->withLikes()
             ->paginate(21);
 
         return view('timeline.public')->with(compact('ejaculations'));

app/Http/Controllers/UserController.php

@@ -41,6 +41,7 @@ SQL
         }
         $ejaculations = $query->orderBy('ejaculated_date', 'desc')
             ->with('tags')
+            ->withLikes()
             ->paginate(20);
 
         // よく使っているタグ
@@ -176,4 +177,19 @@ SQL
 
         return view('user.profile')->with(compact('user', 'ejaculations'));
     }
+
+    public function likes($name)
+    {
+        $user = User::where('name', $name)->first();
+        if (empty($user)) {
+            abort(404);
+        }
+
+        $likes = $user->likes()
+            ->orderBy('created_at', 'desc')
+            ->with('ejaculation.user', 'ejaculation.tags')
+            ->paginate(20);
+
+        return view('user.likes')->with(compact('user', 'likes'));
+    }
 }

app/Http/Kernel.php

@@ -38,7 +38,12 @@ class Kernel extends HttpKernel
             \App\Http\Middleware\NormalizeLineEnding::class,
         ],
 
+        // 現時点では内部APIしかないので、認証の手間を省くためにステートフルにしている。
         'api' => [
+            \App\Http\Middleware\EncryptCookies::class,
+            \Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse::class,
+            \Illuminate\Session\Middleware\StartSession::class,
+            \App\Http\Middleware\VerifyCsrfToken::class,
             'throttle:60,1',
             'bindings',
         ],

app/Like.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+use Staudenmeir\EloquentEagerLimit\HasEagerLimit;
+
+class Like extends Model
+{
+    use HasEagerLimit;
+
+    protected $fillable = ['user_id', 'ejaculation_id'];
+
+    public function user()
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function ejaculation()
+    {
+        return $this->belongsTo(Ejaculation::class)->withLikes();
+    }
+}

app/User.php

@@ -20,6 +20,7 @@ class User extends Authenticatable
         'is_protected', 'accept_analytics',
         'display_name', 'description',
         'twitter_id', 'twitter_name',
+        'private_likes',
     ];
 
     /**
@@ -51,4 +52,9 @@ class User extends Authenticatable
     {
         return Auth::check() && $this->id === Auth::user()->id;
     }
+
+    public function likes()
+    {
+        return $this->hasMany(Like::class);
+    }
 }