90 lines
3.2 KiB
TypeScript
90 lines
3.2 KiB
TypeScript
import * as queries from "./queries"
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import pg from "pg";
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import db from "./db";
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export async function getRequests(count: number) {
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var query = Object.assign(queries.getRequests, { values: [count] });
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return db.query(query)
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.then((result: pg.QueryResult) => result.rows);
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};
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export async function getAllRequests(count: number) {
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var query = Object.assign(queries.getAllRequests, { values: [count] });
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return db.query(query)
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.then((result: pg.QueryResult) => result.rows);
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};
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export async function getRequestsVoted(count: number, user: number) {
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var query = Object.assign(queries.getRequestsVoted, { values: [count,user] });
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return db.query(query)
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.then((result: pg.QueryResult) => result.rows);
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};
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export async function getAllRequestsVoted(count: number,user: number) {
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var query = Object.assign(queries.getAllRequestsVoted, { values: [count,user] });
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return db.query(query)
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.then((result: pg.QueryResult) => result.rows);
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};
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const validUrlRegexes = [
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/^https:\/\/www\.youtube\.com\/watch\?v=[a-zA-Z0-9_-]{11}$/
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];
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export async function addRequest(url: string, requester: string): Promise<[number,string]> {
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var validUrl = false;
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for (var regex of validUrlRegexes) {
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if (regex.test(url)) {
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validUrl = true;
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break;
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}
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}
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if (!validUrl) return [400, "Invalid song URL."];
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var query = Object.assign(queries.checkRequestExists, { values: [url] });
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var result = await db.query(query);
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if (result.rowCount > 0) {
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return [200,`Song already requested by ${result.rows[0].requester}. State: ${result.rows[0].state}`]
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}
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var query = Object.assign(queries.addRequest, { values: [url,requester] });
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return db.query(query)
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.then(() => [201,"Song request added."] as [number,string]);
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};
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export async function updateRequestState(url: string, state: string): Promise<[number,string]> {
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var query = Object.assign(queries.checkValidState, { values: [state] });
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var result = await db.query(query);
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if (result.rowCount < 1) {
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return [400,"Invalid state"]
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}
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var query = Object.assign(queries.updateRequestState, { values: [url,state] });
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return db.query(query)
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.then(() => [200,"Song request state updated."] as [number,string]);
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};
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export async function updateRequestScore(url: string, scoreDiff: number): Promise<[number,string]> {
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var query = Object.assign(queries.updateRequestScore, { values: [url,scoreDiff] });
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return db.query(query)
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.then(() => [200,"Song request score updated."] as [number,string]);
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};
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export async function deleteRequest(url: string): Promise<[number,string]> {
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var query = Object.assign(queries.deleteRequest, { values: [url] });
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return db.query(query)
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.then(() => [200,"Song request deleted."] as [number,string]);
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};
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export async function addVote(url: string, user: string): Promise<[number,string]> {
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var query = Object.assign(queries.checkVoteExists, { values: [url,user] });
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var result = await db.query(query);
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if (result.rowCount > 0) {
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return [200,`Song already voted on`]
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}
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return db.query("CALL add_vote($1,$2)",[url,user])
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.then(() => [201,"Successfully cast vote."] as [number,string]);
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};
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export async function deleteVote(url: string, user: string): Promise<[number,string]> {
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return db.query("CALL delete_vote($1,$2)",[url,user])
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.then(() => [201,"Successfully retracted vote."] as [number,string]);
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};
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