98 lines
2.7 KiB
TypeScript
98 lines
2.7 KiB
TypeScript
import * as dotenv from 'dotenv';
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import {PriceAlarms} from './pricealarms.interface';
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import {BetterzonDB} from '../Betterzon.db';
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dotenv.config();
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/**
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* Data Model Interfaces
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*/
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/**
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* Service Methods
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*/
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/**
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* Creates a price alarm for the given user for the product with the defined price
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* @param user_id The id of the user to create the price alarm for
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* @param product_id The id of the product to create the price alarm for
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* @param defined_price The defined price for the price alarm
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*/
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export const createPriceAlarm = async (user_id: number, product_id: number, defined_price: number): Promise<boolean> => {
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let conn = await BetterzonDB.getConnection();
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try {
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const res = await conn.query('INSERT INTO price_alarms (user_id, product_id, defined_price) VALUES (?, ?, ?)', [user_id, product_id, defined_price]);
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return res.affectedRows === 1;
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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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* Fetches and returns all price alarms for the given user
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* @param user_id
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*/
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export const getPriceAlarms = async (user_id: number): Promise<PriceAlarms> => {
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let conn = await BetterzonDB.getConnection();
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let priceAlarms = [];
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try {
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const rows = await conn.query('SELECT alarm_id, user_id, product_id, defined_price FROM price_alarms WHERE user_id = ?', user_id);
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for (let row in rows) {
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if (row !== 'meta') {
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priceAlarms.push(rows[row]);
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}
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}
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return priceAlarms;
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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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* Updates the given price alarm with the given fields
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* @param alarm_id The id of the price alarm to update
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* @param user_id The id of the user that wants to update the price alarm
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* @param defined_price The defined price for the price alarm
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*/
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export const updatePriceAlarm = async (alarm_id: number, user_id: number, defined_price: number): Promise<boolean> => {
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let conn = await BetterzonDB.getConnection();
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try {
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const res = await conn.query('UPDATE price_alarms SET defined_price = ? WHERE alarm_id = ? AND user_id = ?', [defined_price, alarm_id, user_id]);
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return res.affectedRows === 1;
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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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* Deletes the given price alarm
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* @param alarm_id The id of the price alarm to update
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* @param user_id The id of the user that wants to update the price alarm
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*/
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export const deletePriceAlarm = async (alarm_id: number, user_id: number): Promise<boolean> => {
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let conn = await BetterzonDB.getConnection();
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try {
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const res = await conn.query('DELETE FROM price_alarms WHERE alarm_id = ? AND user_id = ?', [alarm_id, user_id]);
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return res.affectedRows === 1;
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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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