feat(services): add memory usage info, update user, enhance log and register function

- Added log for loaded services
- Implemented feature to update user in MySQL service
- Added memory usage information in the server start log
- Enhanced registration function in user service to provide more detailed response and log information
- Minor code formatting improvements

Issue: #18
Signed-off-by: Mathis <yidhra@tuta.io>

src/app.ts

@@ -43,7 +43,7 @@ try {
 	app.use("/auth", AuthRouter);
 	app.use("/catalog", CatalogRouter);
 	app.use("/rent", RentRouter);
-	logger.info("Routers loaded !");
+	logger.info("Routers loaded !\n");
 } catch (err) {
 	logger.error(err);
 	throw null;
@@ -51,7 +51,13 @@ try {
 
 try {
 	app.listen(process.env["APP_PORT"]);
-	logger.info("Server is running !");
+	logger.info(
+		`Server is running !\n >> Memory total: ${
+			process.memoryUsage().rss / 1_000_000
+		} Mio\n >> Memory heap usage: ${
+			process.memoryUsage().heapUsed / 1_000_000
+		} Mio\n\n`,
+	);
 } catch (error) {
 	logger.error(`Server failed to start: ${error}`);
 	process.exit(1);

src/services/brand.service.ts

@@ -168,6 +168,8 @@ async function deleteBrand(brandId: string): Promise<boolean> {
 	return true;
 }
 
+logger.debug("Service loaded.");
+
 const BrandService = {
 	create: createBrand,
 	update: updateBrand,

src/services/category.service.ts

@@ -127,6 +127,8 @@ async function deleteCategory(id: string): Promise<unknown> {
 	}
 }
 
+logger.debug("Service loaded.");
+
 const CategoryService = {
 	create: createCategory,
 	delete: deleteCategory,

src/services/jwt.service.ts

@@ -64,6 +64,8 @@ async function JwtSignService(
 		.sign(new TextEncoder().encode(`${process.env["JWT_SECRET"]}`));
 }
 
+logger.debug("Service loaded.");
+
 const JwtService = {
 	verify: JwtVerifyService,
 	sign: JwtSignService,

src/services/model.service.ts

@@ -135,6 +135,8 @@ async function getAllModels(): Promise<IDbModel[] | null> {
 	}
 }
 
+logger.debug("Service loaded.");
+
 /**
  * ModelService is responsible for managing models.
  * @namespace

src/services/mysql.service.ts

@@ -135,6 +135,13 @@ const MySqlService = {
 			});
 		},
 
+		/**
+		 * Updates a user in the database.
+		 * @param {MysqlHandler} handler - The MySQL handler object.
+		 * @param {IDbUser} data - The updated user data.
+		 * @returns {Promise<IDbStatusResult>} - A promise that resolves to the result of the update operation.
+		 * @throws {Error} If an error occurs during the update operation.
+		 */
 		update(handler: MysqlHandler, data: IDbUser): Promise<IDbStatusResult> {
 			return new Promise((resolve, reject) => {
 				if (!data.id) return reject("Id is undefined");

src/services/user.service.ts

@@ -1,14 +1,13 @@
-import type {IDbUser} from "@interfaces/database/IDbUser";
-import type {IReqLogin} from "@interfaces/requests/IReqLogin";
-import type {IReqRegister} from "@interfaces/requests/IReqRegister";
-import {ErrorType, type ISError} from "@interfaces/services/ISError";
+import type { IDbUser } from "@interfaces/database/IDbUser";
+import type { IReqLogin } from "@interfaces/requests/IReqLogin";
+import type { IReqRegister } from "@interfaces/requests/IReqRegister";
+import { ErrorType, type ISError } from "@interfaces/services/ISError";
 import CredentialService from "@services/credential.service";
 import JwtService from "@services/jwt.service";
 import MySqlService from "@services/mysql.service";
 import MysqlService from "@services/mysql.service";
-import {Logger} from "tslog";
-import {v4} from "uuid";
-
+import { Logger } from "tslog";
+import { v4 } from "uuid";
 
 const logger = new Logger({
 	name: "UserService",
@@ -77,17 +76,18 @@ async function getUserFromIdService(id: string): Promise<IDbUser | ISError> {
 	}
 }
 
-async function register(ReqData: IReqRegister): Promise<ISError | string> {
-	if (ReqData.password.length < 6) {
+async function register(inputData: IReqRegister): Promise<ISError | string> {
+	if (inputData.password.length < 6) {
 		return {
 			error: ErrorType.InvalidData,
 			message: "Password must be at least 6 characters long.",
 		};
 	}
-	const passwordHash = await CredentialService.hash(`${ReqData.password}`);
+	//TODO check Object content keys
+	const passwordHash = await CredentialService.hash(`${inputData.password}`);
 
 	// Does the new user has accepted GDPR ?
-	if (ReqData.gdpr !== true) {
+	if (inputData.gdpr !== true) {
 		return {
 			error: ErrorType.InvalidData,
 			message: "GDPR acceptance is required.",
@@ -96,32 +96,44 @@ async function register(ReqData: IReqRegister): Promise<ISError | string> {
 	const currentDate = new Date();
 
 	// Check if exist and return
-	const dbUserIfExist: IDbUser | ISError = await getUserByEmail(ReqData.email);
+	const dbUserIfExist: IDbUser | ISError = await getUserByEmail(
+		inputData.email,
+	);
 	if ("error" in dbUserIfExist) {
 		return {
 			error: dbUserIfExist.error,
 			message: dbUserIfExist.message,
 		};
 	}
-
+	if (dbUserIfExist.id) {
+		logger.info(
+			`User already exist for email "${inputData.email}".\n(${dbUserIfExist.username}::${dbUserIfExist.id})\n`,
+		);
+		return {
+			error: ErrorType.UnAuthorized,
+			message: "User already exists.",
+		};
+	}
+	const currentId = v4();
 	const NewUser = await MySqlService.User.insert(DbHandler, {
-		id: v4(),
-		email: ReqData.email,
-		username: ReqData.username,
-		firstname: ReqData.firstName,
-		lastname: ReqData.lastName,
-		dob: ReqData.dob,
+		id: currentId,
+		email: inputData.email,
+		username: inputData.username,
+		firstname: inputData.firstName,
+		lastname: inputData.lastName,
+		dob: inputData.dob,
 		hash: passwordHash,
 		gdpr: currentDate,
 		is_admin: false,
 		is_mail_verified: false,
 	});
-	if ("error" in NewUser || !NewUser.id) {
-    return {
-      error: ErrorType.DatabaseError,
-			message: 'Error when inserting user in database.'
-    };
-  }
+	if ("error" in NewUser || NewUser.affectedRows === 0) {
+		return {
+			error: ErrorType.DatabaseError,
+			message: "Error when inserting user in database.",
+		};
+	}
+	logger.info(`New user created ! (${inputData.username}::${currentId})`);
 
 	// JWT
 	const token = await JwtService.sign(
@@ -273,6 +285,7 @@ async function deleteUserService(targetId) {
 	}
 }
 
+logger.debug("Service loaded.");
 const UserService = {
 	register: register,
 	login: login,