portal/app/app/Models/AutopodborSource.php

<?php

declare(strict_types=1);

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class AutopodborSource extends Model
{
    public $timestamps = false;

    protected $fillable = [
        'tenant_id',
        'competitor_id',
        'study_run_id',
        'signal_type',
        'identifier',
        'phone_kind',
        'phone_type',
        'provenance_url',
        'provenance_label',
        'dedup_key',
        'created_project_id',
        'box',
        'where_found',
        'office',
        'confirmations',
    ];

    protected $casts = [
        'created_at' => 'datetime',
        'where_found' => 'array',
        'confirmations' => 'integer',
    ];

    public function competitor(): BelongsTo
    {
        return $this->belongsTo(AutopodborCompetitor::class, 'competitor_id');
    }

    public function project(): BelongsTo
    {
        return $this->belongsTo(Project::class, 'created_project_id');
    }
}