API-19: Adding event endpoint (#10)
Co-authored-by: Patrick Müller <patrick@mueller-patrick.tech> Reviewed-on: #10 Co-authored-by: Patrick Müller <patrick@plutodev.de> Co-committed-by: Patrick Müller <patrick@plutodev.de>
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@ -106,3 +106,35 @@ dataRouter.get('/friendship/: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('/event/: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.getEventData(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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@ -52,6 +52,42 @@ export interface Friendship {
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friendUsername: string;
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}
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/**
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* Used in the getEventData method
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*/
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export interface Invite {
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inviteId: string;
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inviteKey: string;
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validUntil: Date;
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alreadyUsed: boolean;
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invitedPersonName: string;
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}
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/**
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* Used in the getEventData method
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*/
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export interface Registration {
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registrationId: string;
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name: string;
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registeredDate: Date;
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takesPart: boolean;
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comment: string;
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}
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/**
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* Used in the getEventData method as a return value
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*/
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export interface Event {
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eventId: string;
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name: string;
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description: string;
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takesPlaceDate: Date;
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registrationUntilDate: Date;
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maxParticipants: number;
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invites: Invite[];
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registrations: Registration[];
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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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@ -135,7 +171,7 @@ export const getSessionData = async (useDev: boolean, userId: string): Promise<S
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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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* @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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@ -169,3 +205,81 @@ export const getFriendshipData = async (useDev: boolean, userId: string): Promis
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}
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}
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};
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/**
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* Returns all events 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 Event[] A list of events
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*/
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export const getEventData = async (useDev: boolean, userId: string): Promise<Event[]> => {
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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 eventRows = await conn.query('SELECT event_id, name, description, takes_place_date, registration_until_date, max_participants FROM events WHERE creator_id = ?', userId);
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let eventsMap = new Map<string, Event>();
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let eventIds: string[] = [];
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for (let row of eventRows) {
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eventIds.push(row.event_id);
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let event = {
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eventId: row.event_id,
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name: row.name,
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description: row.description,
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takesPlaceDate: row.takes_place_date,
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registrationUntilDate: row.registration_until_date,
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maxParticipants: row.max_participants,
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invites: [],
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registrations: []
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};
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eventsMap.set(row.event_id, event);
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}
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let registrationRows = await conn.query('SELECT registration_id, name, registered_date, takes_part, comment, event_id FROM event_registration WHERE event_id IN (?)', eventIds);
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for (let row of registrationRows) {
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let event = eventsMap.get(row.event_id);
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if (!event) continue;
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event.registrations.push({
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registrationId: row.registration_id,
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name: row.name,
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registeredDate: row.registered_date,
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takesPart: row.takes_part,
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comment: row.comment
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});
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}
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let inviteRows = await conn.query('SELECT invite_id, invite_key, valid_until, already_used, invited_person_name, event_id FROM invitations WHERE event_id IN (?)', eventIds);
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for (let row of inviteRows) {
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let event = eventsMap.get(row.event_id);
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if (!event) continue;
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event.invites.push({
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inviteId: row.invite_id,
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inviteKey: row.invite_key,
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validUntil: row.valid_until,
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alreadyUsed: row.already_used,
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invitedPersonName: row.invited_person_name
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});
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}
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let eventsList: Event[] = [];
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for (let event of eventsMap.values()) {
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eventsList.push(event);
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}
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return eventsList;
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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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