'encrypted', ]; public function classe(): BelongsTo { return $this->belongsTo(Classe::class); } public function eleve(): BelongsTo { return $this->belongsTo(Eleve::class); } public static function empreinte(string $jeton): string { return hash('sha256', $jeton); } public function prunable(): Builder { return static::where('created_at', '<', now()->subHour()); } }