96 lines
2.8 KiB
TypeScript
96 lines
2.8 KiB
TypeScript
import * as dotenv from 'dotenv';
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import {Guid} from 'guid-typescript';
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import {Event} from './event.interface';
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import {NachklangCalendarDB} from '../Calendar.db';
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dotenv.config();
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/**
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* Returns all events for the given calendar
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* @param calendarId The calendar Id
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*/
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export const getAllEvents = async (calendarId: number): Promise<Event[]> => {
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let conn = await NachklangCalendarDB.getConnection();
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let eventRows: Event[] = [];
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try {
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const eventsQuery = 'SELECT * FROM events WHERE calendar_id = ?';
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const eventsRes = await conn.query(eventsQuery, calendarId);
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for (let row of eventsRes) {
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eventRows.push(row);
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}
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return eventRows;
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} catch (err) {
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throw err;
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} finally {
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// Return connection
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await conn.end();
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}
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};
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/**
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* Create the given event in the database
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* @param event The event to create
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*/
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export const createEvent = async (event: Event): Promise<number> => {
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let conn = await NachklangCalendarDB.getConnection();
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try {
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let eventUUID = Guid.create().toString();
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const eventsQuery = 'INSERT INTO events (calendar_id, uuid, name, description, start_datetime, end_datetime, location, created_by, url) VALUES (?,?,?,?,?,?,?,?,?) RETURNING event_id';
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const eventsRes = await conn.execute(eventsQuery, [event.calendar_id, eventUUID, event.name, event.description, event.start_datetime, event.end_datetime, event.location, event.created_by, event.url]);
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return eventsRes[0].event_id;
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} catch (err) {
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await conn.rollback();
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throw err;
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} finally {
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// Return connection
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await conn.commit();
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await conn.end();
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}
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};
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/**
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* Update the given event in the database
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* @param event The event to update
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*/
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export const updateEvent = async (event: Event): Promise<boolean> => {
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let conn = await NachklangCalendarDB.getConnection();
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try {
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const eventsQuery = 'UPDATE events SET name = ?, description = ?, start_datetime = ?, end_datetime = ?, location = ?, created_by = ?, url = ? WHERE event_id = ?';
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const eventsRes = await conn.execute(eventsQuery, [event.name, event.description, event.start_datetime, event.end_datetime, event.location, event.created_by, event.url, event.event_id]);
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return eventsRes.affectedRows === 1;
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} catch (err) {
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await conn.rollback();
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throw err;
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} finally {
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// Return connection
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await conn.commit();
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await conn.end();
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}
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};
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/**
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* Deletes the given event from the database
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* @param event The event to delete
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*/
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export const deleteEvent = async (event: Event): Promise<boolean> => {
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let conn = await NachklangCalendarDB.getConnection();
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try {
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const eventsQuery = 'DELETE FROM events WHERE event_id = ?';
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const eventsRes = await conn.execute(eventsQuery, [event.event_id]);
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return eventsRes.affectedRows === 1;
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} catch (err) {
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await conn.rollback();
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throw err;
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} finally {
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// Return connection
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await conn.commit();
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await conn.end();
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}
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};
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