Solution
The $relation->save($model) method automatically fills in the appropriate foreign id, so you shouldn't need to set it.
I believe the issue here is you're using a $user model that you got via dependency injection. That's going to be the general User facade, not an instantiated model. Hence it probably doesn't have an id, and when save($task) gets called, it overrides the existing $task->user_id with $user->id, which is NULL.
Luckily Auth::user() returns a User object, so you can just call this without fussing with any ids whatsoever:
auth()->user()->addTask($task);
Last updated
9 years ago.
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