add paper delete

laravel/app/Http/Controllers/PaperController.php

@@ -11,7 +11,6 @@
 use Illuminate\Contracts\View\View;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
-use Illuminate\Http\Response;
 
 class PaperController extends Controller
 {
@@ -84,10 +83,14 @@ public function update(UpdatePaperRequest $request, Paper $paper)
      * Remove the specified resource from storage.
      *
      * @param Paper $paper
-     * @return Response
+     * @return RedirectResponse
      */
     public function destroy(Paper $paper)
     {
-        // TODO
+        if ($this->paper_service->delete($paper)) {
+            return redirect()->route('papers.index')->with('message', '削除しました。');
+        } else {
+            return redirect()->route('papers.index')->with('message', '削除できませんでした。');
+        }
     }
 }

laravel/app/Services/PaperService.php

@@ -124,4 +124,14 @@ private function normalizeTitle(string $title)
         $title = preg_replace('/_+/', '_', $title);
         return mb_strtolower($title);
     }
+
+    /**
+     * delete the paper
+     * @param Paper $paper
+     * @return bool
+     */
+    public function delete(Paper $paper)
+    {
+        return $paper->delete();
+    }
 }

laravel/database/migrations/2023_06_22_101233_add_softdelete_in_papers.php

@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('papers', function (Blueprint $table) {
+            $table->softDeletes();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('papers', function (Blueprint $table) {
+            $this->dropColumn('deleted_at');
+        });
+    }
+};

laravel/resources/views/paper/index.blade.php

@@ -32,12 +32,14 @@ class="text-blue-700 hover:text-white border border-blue-700 hover:bg-blue-800 f
                 <th scope="col" class="w-1/3 py-3 px-6">
                     Memo
                 </th>
-                <th scope="col" class="w-1/6 py-3 px-6">
+                <th scope="col" class="w-1/12 py-3 px-6">
                     Author
                 </th>
                 <th scope="col" class="w-1/12 py-3 px-6">
                     Link
                 </th>
+                <th scope="col" class="w-1/12 py-3 px-6">
+                </th>
             </tr>
             </thead>
             <tbody>
@@ -57,6 +59,17 @@ class="font-medium text-blue-600 dark:text-blue-500 hover:underline">{{ $paper->
                     <td class="py-4 px-6">
                         <a href={{ $paper->url }} target="_blank"
                            class="font-medium text-blue-600 dark:text-blue-500 hover:underline">Link
+                        </a>
+                    </td>
+                    <td>
+                        <form action="{{ route('papers.destroy', $paper->id) }}" method="POST">
+                            @method('DELETE')
+                            @csrf
+                            <button type="submit"
+                                    class="text-red-700 hover:text-white border border-red-700 hover:bg-red-800 focus:ring-4 focus:outline-none focus:ring-red-300 font-medium rounded-md text-sm px-2 py-1 text-center my-auto dark:border-red-500 dark:text-red-500 dark:hover:text-white dark:hover:bg-red-600 dark:focus:ring-red-800">
+                                delete
+                            </button>
+                        </form>
                     </td>
                 </tr>
             @endforeach