added event attachments support

app/Conductors/EventConductor.php

@@ -4,6 +4,7 @@ namespace App\Conductors;
 
 use Carbon\Carbon;
 use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\InvalidCastException;
 use Illuminate\Database\Eloquent\Model;
 
 class EventConductor extends Conductor
@@ -89,4 +90,21 @@ class EventConductor extends Conductor
         $user = auth()->user();
         return ($user !== null && $user->hasPermission('admin/events') === true);
     }
+
+    /**
+     * Transform the model
+     *
+     * @param Model $model The model to transform.
+     * @return array The transformed model.
+     * @throws InvalidCastException Cannot cast item to model.
+     */
+    public function transform(Model $model)
+    {
+        $result = $model->toArray();
+        $result['attachments'] = $model->attachments()->get()->map(function ($attachment) {
+            return MediaConductor::model(request(), $attachment->media);
+        });
+
+        return $result;
+    }
 }

app/Http/Controllers/Api/EventController.php

@@ -5,7 +5,9 @@ namespace App\Http\Controllers\Api;
 use App\Enum\HttpResponseCodes;
 use App\Models\Event;
 use App\Conductors\EventConductor;
+use App\Conductors\MediaConductor;
 use App\Http\Requests\EventRequest;
+use App\Models\Media;
 use Illuminate\Http\Request;
 
 class EventController extends ApiController
@@ -32,7 +34,8 @@ class EventController extends ApiController
         return $this->respondAsResource(
             $collection,
             ['isCollection' => true,
-            'appendData' => ['total' => $total]]
+                'appendData' => ['total' => $total]
+            ]
         );
     }
 
@@ -103,4 +106,133 @@ class EventController extends ApiController
             return $this->respondForbidden();
         }
     }
+
+    /**
+     * Get a list of attachments related to this model.
+     *
+     * @param Request $request The user request.
+     * @param Post    $post    The post model.
+     * @return JsonResponse Returns the post attachments.
+     * @throws InvalidFormatException
+     * @throws BindingResolutionException
+     * @throws InvalidCastException
+     */
+    public function getAttachments(Request $request, Event $event)
+    {
+        if (EventConductor::viewable($event) === true) {
+            $medium = $event->attachments->map(function ($attachment) {
+                return $attachment->media;
+            });
+
+            return $this->respondAsResource(MediaConductor::collection($request, $medium), ['isCollection' => true, 'resourceName' => 'attachment']);
+        }
+
+        return $this->respondForbidden();
+    }
+
+    /**
+     * Store an attachment related to this model.
+     *
+     * @param Request $request The user request.
+     * @param Post    $post    The post model.
+     * @return JsonResponse The response.
+     * @throws BindingResolutionException
+     * @throws MassAssignmentException
+     */
+    public function storeAttachment(Request $request, Event $event)
+    {
+        if (EventConductor::updatable($event) === true) {
+            if ($request->has("medium") && Media::find($request->medium)) {
+                $event->attachments()->create(['media_id' => $request->medium]);
+                return $this->respondCreated();
+            }
+
+            return $this->respondWithErrors(['media' => 'The media ID was not found']);
+        }
+
+        return $this->respondForbidden();
+    }
+
+    /**
+     * Update/replace attachments related to this model.
+     *
+     * @param Request $request The user request.
+     * @param Post    $post    The related model.
+     * @return JsonResponse
+     * @throws BindingResolutionException
+     * @throws MassAssignmentException
+     */
+    public function updateAttachments(Request $request, Event $event)
+    {
+        if (EventConductor::updatable($event) === true) {
+            $mediaIds = $request->attachments;
+            if (is_array($mediaIds) === false) {
+                $mediaIds = explode(',', $request->attachments);
+            }
+
+            $mediaIds = array_map('trim', $mediaIds); // trim each media ID
+            $attachments = $event->attachments;
+
+            // Delete attachments that are not in $mediaIds
+            foreach ($attachments as $attachment) {
+                if (!in_array($attachment->media_id, $mediaIds)) {
+                    $attachment->delete();
+                }
+            }
+
+            // Create new attachments for media IDs that are not already in $post->attachments()
+            foreach ($mediaIds as $mediaId) {
+                $found = false;
+
+                foreach ($attachments as $attachment) {
+                    if ($attachment->media_id == $mediaId) {
+                        $found = true;
+                        break;
+                    }
+                }
+
+                if (!$found) {
+                    $event->attachments()->create(['media_id' => $mediaId]);
+                }
+            }
+
+            return $this->respondNoContent();
+        }//end if
+
+        return $this->respondForbidden();
+    }
+
+    /**
+     * Delete a specific related attachment.
+     * @param Request $request The user request.
+     * @param Post    $post    The model.
+     * @param Media   $medium  The attachment medium.
+     * @return JsonResponse
+     * @throws BindingResolutionException
+     */
+    public function deleteAttachment(Request $request, Event $event, Media $medium)
+    {
+        if (EventConductor::updatable($event) === true) {
+            $attachments = $event->attachments;
+            $deleted = false;
+
+            foreach ($attachments as $attachment) {
+                if ($attachment->media_id === $medium->id) {
+                    $attachment->delete();
+                    $deleted = true;
+                    break;
+                }
+            }
+
+            if ($deleted) {
+                // Attachment was deleted successfully
+                return $this->respondNoContent();
+            } else {
+                // Attachment with matching media ID was not found
+                return $this->respondNotFound();
+            }
+        }
+
+        return $this->respondForbidden();
+    }
 }

app/Models/Event.php

@@ -32,11 +32,12 @@ class Event extends Model
         'ages',
     ];
 
+
     /**
      * Get all of the post's attachments.
      */
     public function attachments()
     {
-        return $this->morphMany('App\Attachment', 'attachable');
+        return $this->morphMany('App\Models\Attachment', 'attachable');
     }
 }