/**
* Update the specified resource in storage.
* e.g. curl -i --user a@aa.com:a1\! -H "Content-Type: application/json" -X PUT -d '{"image_url":"http://image.com/2"}' localhost:8000/api/v1/set/2
* e.g. curl -i --user a@aa.com:a1\! -H "Content-Type: application/json" -X PUT -d '{"items":[1,2]}' localhost:8000/api/v1/set/2
*
* @param int $id
* @return Response
*/
public function update($id)
{
$validator = Validator::make(Input::all(), array('image_url' => 'url', 'items' => 'array|min:1'));
if ($validator->fails()) {
return Response::json(array('errors' => $validator->messages()), 400);
}
// Validate that all items in the items array exist
$itemIds = Input::get('items');
if (is_array($itemIds)) {
if (count($itemIds) == 0) {
return Response::json(array('errors' => "Can't have a set with no items"), 400);
}
$items = Item::whereIn('item_id', $itemIds)->get();
if ($items->count() != count($itemIds)) {
return Response::json(array('errors' => "Items don't all exist"), 400);
}
}
$set = Set::find($id);
if (!is_object($set)) {
// Return 404 if the set we are updating does not exist
return Response::json(null, 404);
} else {
if ($set->creator != Auth::user()->user_id) {
// Return 401 Unauthorized if the set was not created by the authenticated user
return Response::json(null, 401);
} else {
// Update the set's image field
if (is_string(Input::get('image_url'))) {
$set->image_url = Input::get('image_url');
}
// Update the set's description field
if (is_string(Input::get('description'))) {
$set->description = Input::get('description');
}
// Replace the array of items in the set
$itemIds = Input::get('items');
if (is_array($itemIds)) {
$set->items()->sync(Input::get('items'));
}
$set->save();
$response = Response::json(null, 200);
$response->header('Location', action('SetController@show', $set->set_id));
return $response;
}
}
}
