uparrow/app/Models/Project.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class Project extends Model
{
    protected $table = "project";
    public $timestamps = false;

    public function client()
    {
        return $this->hasOne('App\User', 'id', 'client_id');
    }

    public function tasks()
    {
        return $this->hasMany('App\Models\Task','proj_id','id');
    }

    public function documents()
    {
        return $this->hasMany('App\Models\ProjAttachment','proj_id','id');
    }

    public function proj_assign()
    {
        return $this->hasMany('App\Models\AssignProject','proj_id','id');
    }
}