API-18: Friendship data endpoint #8

Merged
Paddy merged 1 commits from API-18 into master 2021-08-26 16:30:54 +00:00
3 changed files with 103 additions and 19 deletions

View File

@ -74,3 +74,35 @@ dataRouter.get('/session/:isDevCall', async (req: Request, res: Response) => {
res.status(500).send({'message': 'Internal Server Error. Try again later.'});
}
});
dataRouter.get('/friendship/:isDevCall', async (req: Request, res: Response) => {
try {
let userId = (req.query.userId ?? '').toString();
let sessionId = (req.query.sessionId ?? '').toString();
let sessionKey = (req.query.sessionKey ?? '').toString();
let useDev: boolean = (req.params.isDevCall ?? '') === 'dev'; // TBD
if (userId === '' || sessionId === '' || sessionKey === '') {
res.status(400).send({
'status': 'WRONG_PARAMS',
'message': 'Missing or wrong parameters'
});
return;
}
if (!await UserService.checkSession(useDev, userId, sessionId, sessionKey)) {
res.status(403).send({
'status': 'INVALID_SESSION',
'message': 'The user or session could not be found or the session is invalid'
});
return;
}
let data = await DataService.getFriendshipData(useDev, userId);
res.status(200).send(data);
} catch (e) {
logger.error('Error handling a request: ' + e.message);
res.status(500).send({'message': 'Internal Server Error. Try again later.'});
}
});

View File

@ -41,6 +41,17 @@ export interface SessionData {
lastIp: string;
}
/**
* Used in the getFriendshipData method as a return value
*/
export interface Friendship {
friendshipId: string;
friendId: string;
friendFirstName: string;
friendLastName: string;
friendUsername: string;
}
/**
* Returns all data about the given user
* @param useDev If the dev or prod database should be used
@ -88,7 +99,7 @@ export const getUserData = async (useDev: boolean, userId: string): Promise<User
* Returns all active sessions of the given user
* @param useDev If the dev or prod database should be used
* @param userId The userId of the user to return the sessions for
* @return SessionData An object containing the session data
* @return SessionData[] A list containing objects with the session data
*/
export const getSessionData = async (useDev: boolean, userId: string): Promise<SessionData[]> => {
let conn;
@ -123,3 +134,44 @@ export const getSessionData = async (useDev: boolean, userId: string): Promise<S
}
}
};
/**
* Returns all friends of the given user
* @param useDev If the dev or prod database should be used
* @param userId The userId of the user to fetch the friends for
* @return Friendship A list of friends
*/
export const getFriendshipData = async (useDev: boolean, userId: string): Promise<Friendship[]> => {
let conn;
try {
if (useDev) {
conn = await dev_pool.getConnection();
} else {
conn = await prod_pool.getConnection();
}
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);
let friends: Friendship[] = [];
for (let row in rows) {
if (row !== 'meta') {
friends.push({
friendshipId: rows[row].friendship_id,
friendId: rows[row].friend_id,
friendFirstName: rows[row].friend_first_name,
friendLastName: rows[row].friend_last_name,
friendUsername: rows[row].friend_username
});
}
}
return friends;
} catch (err) {
throw err;
} finally {
if (conn) {
conn.end();
}
}
};

View File

@ -20,6 +20,24 @@ const dev_pool = mariadb.createPool({
connectionLimit: 5
});
/**
* Used in the registerUser and loginUser methods as return value
*/
export interface Session {
userId: string;
sessionId: string;
sessionKey: string;
}
/**
* Used in the checkUsernameAndEmail method as return value
*/
export interface Status {
hasProblems: boolean;
messages: string[];
status: string[];
}
/**
* Fetches all usernames and emails from the database and returns them in an object
* @param useDev If the dev or prod database should be used
@ -59,15 +77,6 @@ export const getExistingUsernamesAndEmails = async (useDev: boolean): Promise<an
}
};
/**
* Used in the registerUser and loginUser methods as return value
*/
export interface Session {
userId: string;
sessionId: string;
sessionKey: string;
}
/**
* Creates a new user and a new session
* @param useDev If the dev or prod database should be used
@ -224,15 +233,6 @@ export const loginUser = async (useDev: boolean, username: string, email: string
}
};
/**
* Used in the checkUsernameAndEmail method as return value
*/
export interface Status {
hasProblems: boolean;
messages: string[];
status: string[];
}
/**
* Checks if the given username and email are valid and not yet used by another user
* @param useDev If the dev database has to be used