'json', ]; public function disease() { return $this->belongsTo(Disease::class); } protected function getExportUrlAttribute(): string { return url("/api/diseases/{$this->disease_id}/records/{$this->id}/export"); } protected function getPublicFileUrl($path): string { if (empty($path)) { return ''; } return url("/storage/public/{$path}"); } public function toArray() { $array = parent::toArray(); $array['export_url'] = $this->export_url; return $array; } }