invoiceninja/app/Models/Project.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\SoftDeletes;
use Laracasts\Presenter\PresentableTrait;

/**
 * Class Project.
 */
class Project extends BaseModel
{
    // Expense Categories
    use SoftDeletes;
    use PresentableTrait;

    /**
     * @var array
     */
    protected $dates = ['deleted_at'];

    /**
     * @var array
     */
    protected $fillable = [
        'name',
        'task_rate',
        'private_notes',
        'due_date',
        'budgeted_hours',
        'custom_value1',
        'custom_value2',
    ];
    
    protected $casts = [
        'updated_at' => 'timestamp',
        'created_at' => 'timestamp',
    ];

    /**
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function company()
    {
        return $this->belongsTo(Company::class);
    }

    /**
     * @return mixed
     */
    public function client()
    {
        return $this->belongsTo(Client::class)->withTrashed();
    }

    // /**
    //  * @return \Illuminate\Database\Eloquent\Relations\HasMany
    //  */
    // public function tasks()
    // {
    //     return $this->hasMany('App\Models\Task');
    // }
}