API-18: Friendship data endpoint
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@ -74,3 +74,35 @@ dataRouter.get('/session/:isDevCall', async (req: Request, res: Response) => {
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res.status(500).send({'message': 'Internal Server Error. Try again later.'});
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}
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});
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dataRouter.get('/friendship/:isDevCall', async (req: Request, res: Response) => {
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try {
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let userId = (req.query.userId ?? '').toString();
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let sessionId = (req.query.sessionId ?? '').toString();
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let sessionKey = (req.query.sessionKey ?? '').toString();
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let useDev: boolean = (req.params.isDevCall ?? '') === 'dev'; // TBD
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if (userId === '' || sessionId === '' || sessionKey === '') {
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res.status(400).send({
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'status': 'WRONG_PARAMS',
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'message': 'Missing or wrong parameters'
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});
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return;
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}
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if (!await UserService.checkSession(useDev, userId, sessionId, sessionKey)) {
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res.status(403).send({
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'status': 'INVALID_SESSION',
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'message': 'The user or session could not be found or the session is invalid'
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});
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return;
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}
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let data = await DataService.getFriendshipData(useDev, userId);
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res.status(200).send(data);
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} catch (e) {
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logger.error('Error handling a request: ' + e.message);
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res.status(500).send({'message': 'Internal Server Error. Try again later.'});
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}
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});
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@ -41,6 +41,17 @@ export interface SessionData {
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lastIp: string;
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}
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/**
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* Used in the getFriendshipData method as a return value
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*/
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export interface Friendship {
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friendshipId: string;
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friendId: string;
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friendFirstName: string;
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friendLastName: string;
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friendUsername: string;
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}
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/**
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* Returns all data about the given user
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* @param useDev If the dev or prod database should be used
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@ -88,7 +99,7 @@ export const getUserData = async (useDev: boolean, userId: string): Promise<User
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* Returns all active sessions of the given user
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* @param useDev If the dev or prod database should be used
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* @param userId The userId of the user to return the sessions for
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* @return SessionData An object containing the session data
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* @return SessionData[] A list containing objects with the session data
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*/
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export const getSessionData = async (useDev: boolean, userId: string): Promise<SessionData[]> => {
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let conn;
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@ -123,3 +134,44 @@ export const getSessionData = async (useDev: boolean, userId: string): Promise<S
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}
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}
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};
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/**
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* Returns all friends of the given user
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* @param useDev If the dev or prod database should be used
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* @param userId The userId of the user to fetch the friends for
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* @return Friendship A list of friends
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*/
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export const getFriendshipData = async (useDev: boolean, userId: string): Promise<Friendship[]> => {
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let conn;
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try {
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if (useDev) {
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conn = await dev_pool.getConnection();
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} else {
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conn = await prod_pool.getConnection();
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}
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let rows = await conn.query('SELECT f.friendship_id, f.friend_id, u.first_name as friend_first_name, u.last_name as friend_last_name, u.username as friend_username FROM friendships f LEFT OUTER JOIN users u ON f.friend_id = u.user_id WHERE f.user_id = ?', userId);
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let friends: Friendship[] = [];
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for (let row in rows) {
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if (row !== 'meta') {
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friends.push({
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friendshipId: rows[row].friendship_id,
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friendId: rows[row].friend_id,
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friendFirstName: rows[row].friend_first_name,
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friendLastName: rows[row].friend_last_name,
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friendUsername: rows[row].friend_username
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});
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}
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}
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return friends;
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} catch (err) {
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throw err;
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} finally {
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if (conn) {
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conn.end();
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}
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}
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};
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@ -20,6 +20,24 @@ const dev_pool = mariadb.createPool({
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connectionLimit: 5
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});
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/**
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* Used in the registerUser and loginUser methods as return value
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*/
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export interface Session {
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userId: string;
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sessionId: string;
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sessionKey: string;
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}
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/**
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* Used in the checkUsernameAndEmail method as return value
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*/
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export interface Status {
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hasProblems: boolean;
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messages: string[];
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status: string[];
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}
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/**
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* Fetches all usernames and emails from the database and returns them in an object
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* @param useDev If the dev or prod database should be used
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@ -59,15 +77,6 @@ export const getExistingUsernamesAndEmails = async (useDev: boolean): Promise<an
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}
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};
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/**
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* Used in the registerUser and loginUser methods as return value
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*/
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export interface Session {
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userId: string;
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sessionId: string;
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sessionKey: string;
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}
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/**
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* Creates a new user and a new session
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* @param useDev If the dev or prod database should be used
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@ -224,15 +233,6 @@ export const loginUser = async (useDev: boolean, username: string, email: string
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}
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};
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/**
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* Used in the checkUsernameAndEmail method as return value
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*/
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export interface Status {
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hasProblems: boolean;
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messages: string[];
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status: string[];
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}
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/**
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* Checks if the given username and email are valid and not yet used by another user
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* @param useDev If the dev database has to be used
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