feat(services): update getBySlug function in MySQL services

The `getBySlug` function originally returned a single database model by slug from the MySQL handler. It has been updated to return a list of database models by slug name. Error handling for failed query executions is also included.

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

src/services/mysql.service.ts

@@ -569,20 +569,20 @@ const MySqlService = {
 		},
 
 		/**
-		 * Retrieves a database model by slug from a given MySQL handler.
+		 * Retrieves a list of database models by slug name.
 		 *
-		 * @param {MysqlHandler} handler - The MySQL handler instance.
+		 * @param {MysqlHandler} handler - The MySQL handler used to execute the query.
-		 * @param {string} modelSlug - The slug of the model to retrieve.
+		 * @param {string} modelSlug - The slug name of the model to retrieve.
-		 * @return {Promise<IDbModel>} A promise that resolves with the retrieved model.
+		 * @return {Promise<Array<IDbModel>>} - A promise that resolves to an array of database models.
-		 * @throws {Error} If there was an error executing the query.
+		 * @throws {Error} - If an error occurs during the execution of the query.
 		 */
-		getBySlug(handler: MysqlHandler, modelSlug: string): Promise<IDbModel> {
+		getBySlug(handler: MysqlHandler, modelSlug: string): Promise<Array<IDbModel>> {
 			return new Promise((resolve, reject) => {
 				const _sql = "SELECT * FROM models WHERE slug_name VALUES(?)";
 				const _values = [modelSlug];
 				try {
 					handler.execute(_sql, _values).then((result) => {
-						return resolve(result as unknown as IDbModel);
+						return resolve(result as unknown as Array<IDbModel>);
 					});
 				} catch (err: unknown) {
 					reject(err as Error);