I need your help to build a query in Laravel either eloquent or DB query would do too.
My table name is Users
To see the DB structure, open the following link:
https://jsfiddle.net/vardaam/mvqzpb2j/
Every user row has 2 columns referral_code and referred_by_code which means every user can refer to someone and earn bonus similarly the same user was also been referred by some one.
I would like to return the information on page with loop in users details along with Username of the user who had referred him to this. To track the same I created those 2 columns in the same table i.e.: referral_code and referred_by_code.
I do not know how to write this in 1 query or how to combine 2 queries and get the desired results.
My controller code looks like below:
$obj_users = User::get();
$codes = [];
$referrers = [];
foreach( $obj_users as $referred_by_code )
{
//Following fetches all user's referred_by_code's code
$codes[] = $referred_by_code->referred_by_code;
}
foreach ($codes as $code)
{
//Following fetches usernames of the given referred_by_code's codes
$referrers[] = User::where('referral_code', $code)->first()->username;
}
return view('users.users', compact(['users', 'paginate', 'referrers']));
The returning $users variable provides me loop of users data but I do not know how to attach those referrer's username to that object.
I tried my level best to describe, please ask incase what I said doesn't make sense, will be happy to provide further clarification.
Best
You can add into your User
model the following relationship:
public function referredBy()
{
return $this->belongsTo(User::class, 'referred_code', 'referral_code');
}
In your controller you can use:
$users = User::with('referredBy')->get();
return view('users.users', compact('users'));
and later in your view you can use:
@foreach ($users as $user)
{{ $user->username }} referred by {{ $user->referredBy ? $user->referredBy->username : '-' }}
@endforeach