docs(services): add new tasks in brand.service.ts

A couple of new tasks have been added into the `brand.service.ts` file.
The tasks aim to fetch models and stats of a certain brand.

Issue: #13
Signed-off-by: Mathis <yidhra@tuta.io>

src/services/brand.service.ts

@@ -124,12 +124,42 @@ async function getByIdBrand(brandId: string): Promise<IDbBrand | false> {
 	return brand;
 }
 
+//TODO get models of the brand
+
+//TODO get stats of the brand
+
+/**
+ * Deletes a brand from the database.
+ *
+ * @param {string} brandId - The ID of the brand to delete.
+ * @return {Promise<boolean>} - A promise that resolves to true if the brand was deleted successfully, or false otherwise.
+ */
+async function deleteBrand(brandId: string): Promise<boolean> {
+	if (!brandId) {
+		logger.error("Brand ID is missing");
+		return false;
+	}
+	if (brandId.length !== 36) {
+		logger.error("Invalid brand ID");
+		return false;
+	}
+	//TODO verify if as models linked
+	const deletedBrand = await MysqlService.Brand.delete(DbHandler, brandId);
+  if (!deletedBrand) {
+		logger.error(`Failed to delete brand (${brandId})`);
+		return false;
+  }
+	logger.info(`Brand deleted successfully (${brandId})`);
+	return true;
+}
+
 const BrandService = {
 	create: createBrand,
 	update: updateBrand,
 	getAll: getAllBrand,
 	getBySlug: getBySlugBrand,
 	getById: getByIdBrand,
+	delete: deleteBrand,
 }
 
 export default BrandService;