add job for attaching context to contents (#2918)

sourcecode/hub/app/Http/Controllers/Admin/ContextController.php

@@ -4,8 +4,11 @@
 
 namespace App\Http\Controllers\Admin;
 
+use App\Http\Requests\AttachContextToContentsRequest;
 use App\Http\Requests\StoreContextRequest;
+use App\Jobs\AttachContextToContents;
 use App\Models\Context;
+use Illuminate\Contracts\Bus\Dispatcher;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Response;
 
@@ -31,4 +34,25 @@ public function add(StoreContextRequest $request): RedirectResponse
         return redirect()->route('admin.contexts.index')
             ->with('alert', trans('messages.context-added'));
     }
+
+    public function attachToContents(): Response
+    {
+        $contexts = Context::all()
+            ->mapWithKeys(fn(Context $context) => [$context->id => $context->name]);
+
+        return response()->view('admin.contexts.attach-to-contents', [
+            'available_contexts' => $contexts,
+        ]);
+    }
+
+    public function performAttachToContents(
+        AttachContextToContentsRequest $request,
+        Dispatcher $dispatcher,
+    ): RedirectResponse {
+        $dispatcher->dispatch(
+            new AttachContextToContents($request->getContext()),
+        );
+
+        return redirect()->route('admin.index');
+    }
 }

sourcecode/hub/app/Http/Requests/AttachContextToContentsRequest.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Http\Requests;
+
+use App\Models\Context;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class AttachContextToContentsRequest extends FormRequest
+{
+    /**
+     * @return array<mixed>
+     */
+    public function rules(): array
+    {
+        return [
+            'context' => ['required', Rule::exists(Context::class, 'id')],
+        ];
+    }
+
+    public function getContext(): Context
+    {
+        return Context::where('id', $this->validated('context'))->firstOrFail();
+    }
+}

sourcecode/hub/app/Jobs/AttachContextToContents.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Jobs;
+
+use App\Models\Content;
+use App\Models\Context;
+use Illuminate\Bus\Queueable;
+use Illuminate\Foundation\Bus\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+
+class AttachContextToContents
+{
+    use Dispatchable;
+    use Queueable;
+    use SerializesModels;
+
+    public function __construct(private readonly Context $context) {}
+
+    public function handle(): void
+    {
+        Content::lazy()->each(function (Content $content) {
+            $content->contexts()->syncWithoutDetaching([$this->context]);
+        });
+    }
+}

sourcecode/hub/lang/en/messages.php

@@ -238,4 +238,7 @@
     'context-added' => 'The context was added.',
     'theme-edlib' => 'Edlib light',
     'theme-dark' => 'Edlib dark',
+    'attach-context-to-contents' => 'Attach context to contents',
+    'attach-context-to-contents-warning' => 'This adds a context to all contents',
+    'start-job' => 'Start job',
 ];

sourcecode/hub/resources/views/admin/contexts/attach-to-contents.blade.php

@@ -0,0 +1,18 @@
+<x-layout>
+    <x-slot:title>{{ trans('messages.attach-context-to-contents') }}</x-slot:title>
+
+    <p class="alert alert-danger">{{ trans('messages.attach-context-to-contents-warning') }}</p>
+
+    <x-form action="" method="POST">
+        <x-form.field
+            name="context"
+            type="select"
+            emptyOption
+            required
+            :label="trans('messages.context')"
+            :options="$available_contexts"
+        />
+
+        <x-form.button class="btn btn-primary">{{ trans('messages.start-job') }}</x-form.button>
+    </x-form>
+</x-layout>

sourcecode/hub/resources/views/admin/index.blade.php

@@ -20,6 +20,12 @@
             </a>
         </li>
 
+        <li>
+            <a href="{{ route('admin.attach-context-to-contents') }}">
+                {{ trans('messages.attach-context-to-contents') }}
+            </a>
+        </li>
+
         <li>
             <x-form action="{{ route('admin.rebuild-content-index') }}">
                 <button class="btn btn-link p-0">{{ trans('messages.rebuild-content-index') }}</button>

sourcecode/hub/routes/web.php

@@ -266,6 +266,13 @@
         ->uses([ContextController::class, 'add'])
         ->name('admin.contexts.add');
 
+    Route::get('/attach-context-to-contents')
+        ->uses([ContextController::class, 'attachToContents'])
+        ->name('admin.attach-context-to-contents');
+
+    Route::post('/attach-context-to-contents')
+        ->uses([ContextController::class, 'performAttachToContents']);
+
     Route::prefix('/lti-platforms')->group(function () {
         Route::get('')
             ->uses([LtiPlatformController::class, 'index'])