话题回复

app/Http/Controllers/Api/RepliesController.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Http\Controllers\Api;
+
+use App\Models\Topic;
+use App\Models\Reply;
+use Illuminate\Http\Request;
+use App\Http\Resources\ReplyResource;
+use App\Http\Requests\Api\ReplyRequest;
+
+class RepliesController extends Controller
+{
+    public function store(ReplyRequest $request, Topic $topic, Reply $reply)
+    {
+        $reply->content = $request->content;
+        $reply->topic()->associate($topic);
+        $reply->user()->associate($request->user());
+        $reply->save();
+
+        return new ReplyResource($reply);
+    }
+}

app/Http/Requests/Api/ReplyRequest.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Http\Requests\Api;
+
+class ReplyRequest extends FormRequest
+{
+    public function rules()
+    {
+        return [
+            'content' => 'required|min:2',
+        ];
+    }
+}

app/Http/Resources/ReplyResource.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class ReplyResource extends JsonResource
+{
+    public function toArray($request)
+    {
+        return [
+            'id' => $this->id,
+            'user_id' => (int) $this->user_id,
+            'topic_id' => (int) $this->topic_id,
+            'content' => $this->content,
+            'created_at' => (string) $this->created_at,
+            'updated_at' => (string) $this->updated_at,
+        ];
+    }
+}

routes/api.php

@@ -80,6 +80,9 @@
                     Route::resource('topics', 'TopicsController')->only([
                         'store', 'update', 'destroy'
                     ]);
+                    // 发布回复
+                    Route::post('topics/{topic}/replies', 'RepliesController@store')
+                        ->name('topics.replies.store');
                 });
 			});
     });