BadMethodCallException in Macroable.php line 81:Method update does not exist - php

Question

I an developing a page to create, update, delete and view an event in which there is error while updating the event. There is a event table and a event_collection table. In that event_collection table there is event_id which is id of an event and a collection_id which is from other table collection.
When i create an event, all the data gets stored in event table except the collection one. in the collection table data gets stored in one by one manner like if I check 2 items in collection, it will generate 2 ids with same event_id and 2 collection_ids.
There is problem in update, when i try to update the code, it gives me error as
BadMethodCallException in Macroable.php line 81:
Method update does not exist.
Update method is:
public function update(EventRequest $request, $id)
{
$event = Event::findOrFail($id);
$input = $request->all();
$input['days_of_week'] = serialize(Input::get('days_of_week'));
$query = $event->update($input);
$checkbox_selection = Input::get('agree');
$choosen_checkbox = $id;
$collection_event = EventCollection::where('event_id',$choosen_checkbox)->get();
// return $collection_event;
if (!is_null($checkbox_selection)) {
foreach ($checkbox_selection as $collection) {
// $collection_id = $id;
foreach($collection_event as $k){
// return $k;
if($k->event_id == $choosen_checkbox){
$data = $request->all();
$data['event_id']= $choosen_checkbox;
$data['collection_id'] = $collection;
$collection_event->update($data);
}
}
}
}
My store method is:
public function store(Request $request)
{
$checkbox = Input::get('days_of_week');
$checkbox_selection = Input::get('agree');
// return $checkbox_collection;
$input = $request->all();
$input['days_of_week'] = serialize($checkbox);
$query = Event::create($input);
$event_id = $query->id;
$pro_id = $query->provider_org_id;
/*For the checkbox selection, if they are multiple store each separately*/
if (!is_null($checkbox_selection)) {
foreach ($checkbox_selection as $collection) {
$collection_id = $query->id;
if($collection_id){
$data = $request->all();
$data['event_id']= $collection_id;
$data['collection_id'] = $collection;
$create_collection = EventCollection::create($data);
}
}
}
return view('event.pic_upload',compact('event_id','pro_id'));
}
Store method works properly! Can someone please tell any solution? I am badly stucked in this.

Answer 1

I do not think the 'update' method works on collections.
This line will return a collection
$collection_event = EventCollection::where('event_id',$choosen_checkbox)->get();
You do not want a collection, rather a query. As given in the docs:
`App\Flight::where('active', 1)
->where('destination', 'San Diego')
->update(['delayed' => 1]);`
Try removing the '->get()' from the statement.