feat(services): add getByIdBrand function in brand service

A new function, `getByIdBrand`, has been added to the brand service. This function retrieves a brand from the database based on the provided brand ID, Checks are performed on the brand ID before the retrieval attempts.

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

src/services/brand.service.ts

@@ -64,9 +64,72 @@ async function updateBrand(data: IDbBrand): Promise<boolean> {
   return false;
 }
 
+/**
+ * Retrieves all brands from the database.
+ * @returns {Promise<Array<IDbBrand>|false>} - An array of IDbBrand objects if successful, false otherwise.
+ */
+async function getAllBrand(): Promise<Array<IDbBrand>| false> {
+	const brands = await MysqlService.Brand.getAll(DbHandler);
+	if (!brands) {
+		logger.error("Failed to retrieve brands");
+		return false;
+  }
+	logger.info(`Retrieved all brands successfully (${brands.length})`);
+	return brands;
+}
+
+/**
+ * Retrieves a brand by its slug.
+ *
+ * @param {string} brandSlug - The slug of the brand.
+ * @returns {Promise<IDbBrand|false>} - A promise that resolves to the retrieved brand object or false if the brand is not found.
+ */
+async function getBySlugBrand(brandSlug: string): Promise<IDbBrand | false> {
+	if (!brandSlug) {
+      logger.error("Brand slug is missing");
+      return false;
+  }
+	const brand = await MysqlService.Brand.getBySlug(DbHandler, brandSlug);
+  if (!brand) {
+    logger.error(`Brand not found (${brandSlug})`);
+    return false;
+  }
+  logger.info(`Retrieved brand by slug successfully (${brandSlug})`);
+  return brand;
+}
+
+
+/**
+ * Retrieves a brand from the database based on the provided brand ID.
+ *
+ * @param {string} brandId - The ID of the brand to retrieve.
+ *
+ * @returns {Promise<IDbBrand | false>} A promise that resolves to the retrieved brand object, or false if the brand is not found or the ID is invalid.
+ */
+async function getByIdBrand(brandId: string): Promise<IDbBrand | false> {
+	if (!brandId) {
+		logger.error("Brand ID is missing");
+		return false;
+	}
+	if (brandId.length !== 36) {
+		logger.error("Invalid brand ID");
+		return false;
+	}
+	const brand = await MysqlService.Brand.getById(DbHandler, brandId);
+	if (!brand) {
+		logger.error(`Brand not found (${brandId})`);
+		return false;
+	}
+	logger.info(`Retrieved brand by ID successfully (${brandId})`);
+	return brand;
+}
+
 const BrandService = {
 	create: createBrand,
-	update: updateBrand
+	update: updateBrand,
+	getAll: getAllBrand,
+	getBySlug: getBySlugBrand,
+	getById: getByIdBrand,
 }
 
 export default BrandService;