Eloquent Relationship using DB Laravel - php

Question

I've got 4 tables.
Clients
Jobs
Rounds
Job_Rounds
I've created the following relationships:
Clients > Jobs
Jobs > Rounds
Here are my models
Client
class Client extends Model
{
protected $dates = [
'created_at',
'updated_at',
'last_done'
];
public function Jobs()
{
return $this->hasMany('App\Job','client_id');
}
}
Job
class Job extends Model
{
protected $dates = [
'created_at',
'updated_at',
'last_done',
'due_date'
];
public function Round()
{
return $this->belongsTo('App\Round','round_id');
}
public function Client()
{
return $this->belongsTo('App\Client','client_id');
}
}
Round
class Round extends Model
{
protected $dates = [
'created_at',
'updated_at',
'date_scheduled',
'date_finished'
];
public function Clients()
{
return $this->hasMany('App\RoundClients', 'round_id');
}
public function Jobs()
{
return $this->belongsToMany('App\Job', 'job_rounds', 'round_id', 'job_id');
}
}
JobRound
class JobRound extends Model
{
public $timestamps = false;
}
On my round view I'm outputting all the jobs not in the round and all the jobs in the round.
I'm doing this by creating a DB::table to perform the check - see my code:
public function show($id)
{
$round = Auth::user()->rounds()->FindOrFail($id);
$not = DB::table('jobs')->whereNotIn('id', function($query) use($round) {
$query->select('job_id')
->from('job_rounds')
->where('round_id', $round->id);
})->get();
$are = DB::table('job_rounds')
->join('jobs', 'job_rounds.job_id', '=', 'jobs.id')
->select('job_rounds.*', 'jobs.*' ,'job_rounds.id as DAS')
->where('job_rounds.round_id',$round->id)
->get();
return view('app.round',compact('round','not','are'));
}
The problem I have is in my view, the Client to Job relationship for outputting the client name won't work as I have created my own DB query, I'm outputting the client information on my view like
Jobs on the round
#foreach($are as $job)
{{ $job->client->first_name }}
#endforeach
Jobs not on the round
#foreach($not as $job)
{{ $job->client->first_name }}
#endforeach
I get the error:
Variable $client not found etc

Answer 1

Your relationships methods starts with uppercase (which btw, you should change to start with lowercase for standard).
The problem is that your methods and the ones you call are not the same, you need to use the same case in both, like this...
#foreach($are as $job)
{{ $job->Client->first_name }}
#endforeach
Update
Besides the fact of the case, you are not using Eloquent.
You are just using the database query builder directly.
In order to use Eloquent you must use the Model class static methods, like this:
Job::whereNoIn('id', .....
Instead of this:
DB::table('jobs')->whereNotIn('id', ....

Answer 2

DB::table does not return an App\Job class. For this reason you cannot use relationship. ( $job->Client... )
Try make the queries using Eloquent instead.For more details, follow this offical Laravel documantation.