'datetime:Y-m-d', 'end_date' => 'datetime:Y-m-d' ]; public const ACTIVE = 0; public const UPDATE = 1; public const EXPIRED = 2; public function department() { return $this->belongsTo(Department::class, 'department_id'); } public function type() { return $this->belongsTo(TypeDoc::class, 'type_doc_id'); } public function reminders() { return $this->hasMany(DocumentReminder::class); } public function shares() { return $this->hasMany(DocumentShare::class); } public function creator() { return $this->belongsTo(User::class, 'user_id'); } }