Merge branch 'julius-dev' of Software_Engineering_I/greenvironment-server into develop
Trivernis
5 years ago
committed by
Gitea
commit
3a31d34de0
@ -1,248 +0,0 @@
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import {Runtime} from "inspector";
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import {Pool} from "pg";
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import globals from "./globals";
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import {QueryHelper} from "./QueryHelper";
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const config = globals.config;
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const tableCreationFile = __dirname + "/../sql/create-tables.sql";
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const dbClient: Pool = new Pool({
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database: config.database.database,
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host: config.database.host,
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password: config.database.password,
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port: config.database.port,
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user: config.database.user,
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});
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const queryHelper = new QueryHelper(dbClient, tableCreationFile);
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export class DTO {
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private queryHelper: QueryHelper;
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constructor() {
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this.queryHelper = queryHelper;
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}
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/**
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* Initializes everything that needs to be initialized asynchronous.
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*/
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public async init() {
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await this.queryHelper.createTables();
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}
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/**
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* Returns the user by id
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* @param userId
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*/
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public getUser(userId: number) {
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return new User(userId);
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}
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/**
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* Returns the user by handle.
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* @param userHandle
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*/
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public async getUserByHandle(userHandle: string) {
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const result = await this.queryHelper.first({
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text: "SELECT * FROM users WHERE users.handle = $1",
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values: [userHandle],
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});
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return new User(result.id, result);
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}
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}
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export class User {
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public readonly id: number;
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private $name: string;
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private $handle: string;
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private $email: string;
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private $greenpoints: number;
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private $joinedAt: string;
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private dataLoaded: boolean;
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/**
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* Constructor of the user
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* @param id
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* @param row
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*/
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constructor(id: number, private row?: any) {
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this.id = id;
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}
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/**
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* The name of the user
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*/
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public async name(): Promise<string> {
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if (!this.dataLoaded) {
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await this.loadData();
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}
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return this.$name;
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}
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/**
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* Sets the username of the user
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* @param name
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*/
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public async setName(name: string): Promise<string> {
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const result = await queryHelper.first({
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text: "UPDATE TABLE users SET name = $1 WHERE id = $2",
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values: [name, this.id],
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});
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return result.name;
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}
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/**
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* The unique handle of the user.
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*/
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public async handle(): Promise<string> {
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if (!this.dataLoaded) {
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await this.loadData();
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}
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return this.$handle;
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}
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/**
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* Updates the handle of the user
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*/
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public async setHandle(handle: string): Promise<string> {
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const result = await queryHelper.first({
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text: "UPDATE TABLE users SET handle = $1 WHERE id = $2",
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values: [handle, this.id],
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});
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return result.handle;
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}
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/**
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* The email of the user
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*/
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public async email(): Promise<string> {
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if (!this.dataLoaded) {
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await this.loadData();
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}
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return this.$email;
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}
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/**
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* Sets the email of the user
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* @param email
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*/
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public async setEmail(email: string): Promise<string> {
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const result = await queryHelper.first({
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text: "UPDATE TABLE users SET email = $1 WHERE users.id = $2 RETURNING email",
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values: [email, this.id],
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});
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return result.email;
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}
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/**
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* The number of greenpoints of the user
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*/
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public async greenpoints(): Promise<number> {
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if (!this.dataLoaded) {
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await this.loadData();
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}
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return this.$greenpoints;
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}
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/**
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* Sets the greenpoints of a user.
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* @param points
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*/
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public async setGreenpoints(points: number): Promise<number> {
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const result = await queryHelper.first({
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text: "UPDATE users SET greenpoints = $1 WHERE id = $2 RETURNING greenpoints",
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values: [points, this.id],
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});
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return result.greenpoints;
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}
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/**
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* The date the user joined the platform
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*/
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public async joinedAt(): Promise<Date> {
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if (!this.dataLoaded) {
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await this.loadData();
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}
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return new Date(this.$joinedAt);
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}
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/**
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* Fetches the data for the user.
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*/
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private async loadData(): Promise<void> {
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let result: any;
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if (this.row) {
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result = this.row;
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} else {
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result = await queryHelper.first({
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text: "SELECT * FROM users WHERE user.id = $1",
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values: [this.id],
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});
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}
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if (result) {
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this.$name = result.name;
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this.$handle = result.handle;
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this.$email = result.email;
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this.$greenpoints = result.greenpoints;
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this.$joinedAt = result.joined_at;
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this.dataLoaded = true;
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}
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}
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}
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export class Post {
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public readonly id: number;
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private $upvotes: number;
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private $downvotes: number;
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private $createdAt: string;
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private $content: string;
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private $author: number;
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private $type: string;
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private dataLoaded: boolean = false;
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constructor(id: number, private row?: any) {
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this.id = id;
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}
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/**
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* Returns the upvotes of a post.
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*/
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public async upvotes() {
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if (!this.dataLoaded) {
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await this.loadData();
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}
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return this.$upvotes;
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}
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/**
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* Returns the downvotes of the post
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*/
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public async downvotes() {
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if (!this.dataLoaded) {
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await this.loadData();
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}
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return this.$downvotes;
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}
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/**
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* Loads the data from the database if needed.
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*/
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private async loadData(): Promise<void> {
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let result: any;
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if (this.row) {
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result = this.row;
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} else {
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result = await queryHelper.first({
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text: "SELECT * FROM posts WHERE posts.id = $1",
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values: [this.id],
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});
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}
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if (result) {
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this.$author = result.author;
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this.$content = result.content;
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this.$downvotes = result.downvotes;
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this.$upvotes = result.upvotes;
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this.$createdAt = result.created_at;
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this.$type = result.type;
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this.dataLoaded = true;
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}
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}
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}
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@ -0,0 +1,20 @@
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/**
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* abstact DataObject class
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*/
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export abstract class DataObject {
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protected dataLoaded: boolean = false;
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constructor(public id: number, protected row?: any) {
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}
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protected abstract loadData(): Promise<void>;
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/**
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* Loads data from the database if data has not been loaded
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*/
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protected loadDataIfNotExists() {
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if (this.dataLoaded) {
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this.loadData();
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}
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}
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}
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@ -0,0 +1,103 @@
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import {DataObject} from "./DataObject";
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import {queryHelper} from "./index";
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import dataaccess from "./index";
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import {User} from "./User";
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export class Post extends DataObject {
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public readonly id: number;
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private $upvotes: number;
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private $downvotes: number;
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private $createdAt: string;
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private $content: string;
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private $author: number;
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private $type: string;
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/**
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* Returns the upvotes of a post.
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*/
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public async upvotes(): Promise<number> {
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this.loadDataIfNotExists();
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return this.$upvotes;
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}
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/**
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* Returns the downvotes of the post
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*/
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public async downvotes(): Promise<number> {
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this.loadDataIfNotExists();
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return this.$downvotes;
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}
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/**
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* The content of the post (markdown)
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*/
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public async content(): Promise<string> {
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this.loadDataIfNotExists();
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return this.$content;
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}
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/**
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* The date the post was created at.
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*/
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public async createdAt(): Promise<string> {
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this.loadDataIfNotExists();
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return this.$createdAt;
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}
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/**
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* The autor of the post.
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*/
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public async author(): Promise<User> {
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this.loadDataIfNotExists();
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return new User(this.$author);
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}
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/**
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* Deletes the post.
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*/
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public async delete(): Promise<void> {
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const query = await queryHelper.first({
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text: "DELETE FROM posts WHERE id = $1",
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values: [this.id],
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});
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}
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/**
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* The type of vote the user performed on the post.
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*/
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public async userVote(userId: number): Promise<dataaccess.VoteType> {
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const result = await queryHelper.first({
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text: "SELECT vote_type FROM votes WHERE user_id = $1 AND item_id = $2",
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values: [userId, this.id],
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});
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if (result) {
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return result.vote_type;
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} else {
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return null;
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}
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}
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/**
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* Loads the data from the database if needed.
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*/
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protected async loadData(): Promise<void> {
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let result: any;
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if (this.row) {
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result = this.row;
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} else {
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result = await queryHelper.first({
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text: "SELECT * FROM posts WHERE posts.id = $1",
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values: [this.id],
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});
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}
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if (result) {
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this.$author = result.author;
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this.$content = result.content;
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this.$downvotes = result.downvotes;
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this.$upvotes = result.upvotes;
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this.$createdAt = result.created_at;
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this.$type = result.type;
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this.dataLoaded = true;
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}
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}
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}
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@ -0,0 +1,137 @@
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import {DataObject} from "./DataObject";
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import {queryHelper} from "./index";
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import {Post} from "./Post";
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export class User extends DataObject {
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private $name: string;
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private $handle: string;
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private $email: string;
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private $greenpoints: number;
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private $joinedAt: string;
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|
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/**
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* The name of the user
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*/
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public async name(): Promise<string> {
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this.loadDataIfNotExists();
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return this.$name;
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}
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|
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/**
|
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* Sets the username of the user
|
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* @param name
|
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*/
|
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public async setName(name: string): Promise<string> {
|
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const result = await queryHelper.first({
|
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text: "UPDATE TABLE users SET name = $1 WHERE id = $2",
|
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values: [name, this.id],
|
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});
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return result.name;
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}
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|
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/**
|
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* The unique handle of the user.
|
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*/
|
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public async handle(): Promise<string> {
|
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this.loadDataIfNotExists();
|
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return this.$handle;
|
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}
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|
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/**
|
||||
* Updates the handle of the user
|
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*/
|
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public async setHandle(handle: string): Promise<string> {
|
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const result = await queryHelper.first({
|
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text: "UPDATE TABLE users SET handle = $1 WHERE id = $2",
|
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values: [handle, this.id],
|
||||
});
|
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return result.handle;
|
||||
}
|
||||
|
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/**
|
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* The email of the user
|
||||
*/
|
||||
public async email(): Promise<string> {
|
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this.loadDataIfNotExists();
|
||||
return this.$email;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the email of the user
|
||||
* @param email
|
||||
*/
|
||||
public async setEmail(email: string): Promise<string> {
|
||||
const result = await queryHelper.first({
|
||||
text: "UPDATE TABLE users SET email = $1 WHERE users.id = $2 RETURNING email",
|
||||
values: [email, this.id],
|
||||
});
|
||||
return result.email;
|
||||
}
|
||||
|
||||
/**
|
||||
* The number of greenpoints of the user
|
||||
*/
|
||||
public async greenpoints(): Promise<number> {
|
||||
this.loadDataIfNotExists();
|
||||
return this.$greenpoints;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the greenpoints of a user.
|
||||
* @param points
|
||||
*/
|
||||
public async setGreenpoints(points: number): Promise<number> {
|
||||
const result = await queryHelper.first({
|
||||
text: "UPDATE users SET greenpoints = $1 WHERE id = $2 RETURNING greenpoints",
|
||||
values: [points, this.id],
|
||||
});
|
||||
return result.greenpoints;
|
||||
}
|
||||
|
||||
/**
|
||||
* The date the user joined the platform
|
||||
*/
|
||||
public async joinedAt(): Promise<Date> {
|
||||
this.loadDataIfNotExists();
|
||||
return new Date(this.$joinedAt);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns all posts for a user.
|
||||
*/
|
||||
public async posts(): Promise<Post[]> {
|
||||
const result = await queryHelper.all({
|
||||
text: "SELECT * FROM posts WHERE author = $1",
|
||||
values: [this.id],
|
||||
});
|
||||
const posts = [];
|
||||
|
||||
for (const row of result) {
|
||||
posts.push(new Post(row.id, row));
|
||||
}
|
||||
return posts;
|
||||
}
|
||||
|
||||
/**
|
||||
* Fetches the data for the user.
|
||||
*/
|
||||
protected async loadData(): Promise<void> {
|
||||
let result: any;
|
||||
if (this.row) {
|
||||
result = this.row;
|
||||
} else {
|
||||
result = await queryHelper.first({
|
||||
text: "SELECT * FROM users WHERE user.id = $1",
|
||||
values: [this.id],
|
||||
});
|
||||
}
|
||||
if (result) {
|
||||
this.$name = result.name;
|
||||
this.$handle = result.handle;
|
||||
this.$email = result.email;
|
||||
this.$greenpoints = result.greenpoints;
|
||||
this.$joinedAt = result.joined_at;
|
||||
this.dataLoaded = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,66 @@
|
||||
import {Pool} from "pg";
|
||||
import globals from "../globals";
|
||||
import {QueryHelper} from "../QueryHelper";
|
||||
import {User} from "./User";
|
||||
|
||||
const config = globals.config;
|
||||
const tableCreationFile = __dirname + "/../../sql/create-tables.sql";
|
||||
const tableUpdateFile = __dirname + "/../../sql/update-tables.sql";
|
||||
|
||||
const dbClient: Pool = new Pool({
|
||||
database: config.database.database,
|
||||
host: config.database.host,
|
||||
password: config.database.password,
|
||||
port: config.database.port,
|
||||
user: config.database.user,
|
||||
});
|
||||
export const queryHelper = new QueryHelper(dbClient, tableCreationFile, tableUpdateFile);
|
||||
|
||||
namespace dataaccess {
|
||||
/**
|
||||
* Initializes everything that needs to be initialized asynchronous.
|
||||
*/
|
||||
export async function init() {
|
||||
await queryHelper.updateTableDefinitions();
|
||||
await queryHelper.createTables();
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the user by id
|
||||
* @param userId
|
||||
*/
|
||||
export function getUser(userId: number) {
|
||||
return new User(userId);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the user by handle.
|
||||
* @param userHandle
|
||||
*/
|
||||
export async function getUserByHandle(userHandle: string) {
|
||||
const result = await this.queryHelper.first({
|
||||
text: "SELECT * FROM users WHERE users.handle = $1",
|
||||
values: [userHandle],
|
||||
});
|
||||
return new User(result.id, result);
|
||||
}
|
||||
|
||||
/**
|
||||
* Enum representing the types of votes that can be performed on a post.
|
||||
*/
|
||||
export enum VoteType {
|
||||
UPVOTE = "UPVOTE",
|
||||
DOWNVOTE = "DOWNVOTE",
|
||||
}
|
||||
|
||||
/**
|
||||
* Enum representing the types of request that can be created.
|
||||
*/
|
||||
export enum RequestType {
|
||||
FRIENDREQUEST = "FRIENDREQUEST",
|
||||
GROUPINVITE = "GROUPINVITE",
|
||||
EVENTINVITE = "EVENTINVITE",
|
||||
}
|
||||
}
|
||||
|
||||
export default dataaccess;
|
||||
@ -1,100 +1,145 @@
|
||||
type Query {
|
||||
"returns the user object for a given user id"
|
||||
getUser(userId: ID): User
|
||||
"returns the post object for a post id"
|
||||
getPost(postId: ID): Post
|
||||
"returns the chat object for a chat id"
|
||||
getChat(chatId: ID): ChatRoom
|
||||
"returns the request object for a request id"
|
||||
getRequest(requestId: ID): Request
|
||||
"find a post by the posted date or content"
|
||||
findPost(first: Int, offset: Int, text: String!, postedDate: String): [Post]
|
||||
"find a user by user name or handle"
|
||||
findUser(first: Int, offset: Int, name: String!, handle: String!): [User]
|
||||
"returns the user object for a given user id"
|
||||
getUser(userId: ID): User
|
||||
|
||||
"returns the post object for a post id"
|
||||
getPost(postId: ID): Post
|
||||
|
||||
"returns the chat object for a chat id"
|
||||
getChat(chatId: ID): ChatRoom
|
||||
|
||||
"returns the request object for a request id"
|
||||
getRequest(requestId: ID): Request
|
||||
|
||||
"find a post by the posted date or content"
|
||||
findPost(first: Int, offset: Int, text: String!, postedDate: String): [Post]
|
||||
|
||||
"find a user by user name or handle"
|
||||
findUser(first: Int, offset: Int, name: String!, handle: String!): [User]
|
||||
}
|
||||
|
||||
type Mutation {
|
||||
"Upvote/downvote a Post"
|
||||
vote(postId: ID!, type: [VoteType!]!): Boolean
|
||||
"Report the post"
|
||||
report(postId: ID!): Boolean
|
||||
"Upvote/downvote a Post"
|
||||
vote(postId: ID!, type: [VoteType!]!): Boolean
|
||||
|
||||
"Report the post"
|
||||
report(postId: ID!): Boolean
|
||||
|
||||
"send a request"
|
||||
sendRequest(reciever: ID!, type: RequestType): Boolean
|
||||
|
||||
"lets you accept a request for a given request id"
|
||||
acceptRequest(requestId: ID!): Boolean
|
||||
acceptRequest(requestId: ID!): Boolean
|
||||
|
||||
"lets you deny a request for a given request id"
|
||||
denyRequest(requestId: ID!): Boolean
|
||||
|
||||
"send a message in a Chatroom"
|
||||
sendMessage(chatId: ID!, content: String!): Boolean
|
||||
sendMessage(chatId: ID!, content: String!): Boolean
|
||||
|
||||
"create the post"
|
||||
createPost(text: String, picture: String, tags: [String]): Boolean
|
||||
|
||||
"delete the post for a given post id"
|
||||
deletePost(postId: ID!): Boolean
|
||||
}
|
||||
|
||||
"represents a single user account"
|
||||
type User {
|
||||
"url for the Profile picture of the User"
|
||||
profilePicture: String!
|
||||
"name of the User"
|
||||
name: String!
|
||||
"unique identifier name from the User"
|
||||
handle: String!
|
||||
"Id of the User"
|
||||
id: ID!
|
||||
"the total number of posts the user posted"
|
||||
numberOfPosts: Int
|
||||
"returns a given number of posts of a user"
|
||||
getAllPosts(first: Int=10, offset: Int): [Post]
|
||||
"creation date of the user account"
|
||||
joinedDate: String!
|
||||
"returns chats the user pinned"
|
||||
pinnedChats: [ChatRoom]
|
||||
"returns all friends of the user"
|
||||
friends: [User]
|
||||
"all request for groupChats/friends/events"
|
||||
requests: [Request]
|
||||
"url for the Profile picture of the User"
|
||||
profilePicture: String!
|
||||
|
||||
"name of the User"
|
||||
name: String!
|
||||
|
||||
"unique identifier name from the User"
|
||||
handle: String!
|
||||
|
||||
"Id of the User"
|
||||
id: ID!
|
||||
|
||||
"the total number of posts the user posted"
|
||||
numberOfPosts: Int
|
||||
|
||||
"returns a given number of posts of a user"
|
||||
getAllPosts(first: Int=10, offset: Int): [Post]
|
||||
|
||||
"creation date of the user account"
|
||||
joinedDate: String!
|
||||
|
||||
"returns chats the user pinned"
|
||||
pinnedChats: [ChatRoom]
|
||||
|
||||
"returns all friends of the user"
|
||||
friends: [User]
|
||||
|
||||
"all request for groupChats/friends/events"
|
||||
requests: [Request]
|
||||
}
|
||||
|
||||
"represents a single user post"
|
||||
type Post {
|
||||
"returns the path to the posts picture if it has one"
|
||||
picture: String
|
||||
"returns the text of the post"
|
||||
text: String
|
||||
"upvotes of the Post"
|
||||
upvotes: Int!
|
||||
"downvotes of the Post"
|
||||
downvotes: Int!
|
||||
"the user that is the author of the Post"
|
||||
author: User!
|
||||
"date the post was created"
|
||||
creationDate: String!
|
||||
"returns the type of vote the user performed on the post"
|
||||
alreadyVoted: VoteType
|
||||
"returns the tags of the post"
|
||||
tags: [String]
|
||||
"returns the path to the posts picture if it has one"
|
||||
picture: String
|
||||
|
||||
"returns the text of the post"
|
||||
text: String
|
||||
|
||||
"upvotes of the Post"
|
||||
upvotes: Int!
|
||||
|
||||
"downvotes of the Post"
|
||||
downvotes: Int!
|
||||
|
||||
"the user that is the author of the Post"
|
||||
author: User!
|
||||
|
||||
"date the post was created"
|
||||
creationDate: String!
|
||||
|
||||
"returns the type of vote the user performed on the post"
|
||||
userVote: VoteType
|
||||
|
||||
"returns the tags of the post"
|
||||
tags: [String]
|
||||
}
|
||||
|
||||
"represents a request of any type"
|
||||
type Request {
|
||||
"id of the request"
|
||||
id: ID!
|
||||
"type of the request"
|
||||
requestType: RequestType!
|
||||
"id of the request"
|
||||
id: ID!
|
||||
|
||||
"Id of the user who sended the request"
|
||||
sender: User!
|
||||
|
||||
"Id of the user who received the request"
|
||||
receiver: User!
|
||||
|
||||
"type of the request"
|
||||
requestType: RequestType!
|
||||
}
|
||||
|
||||
"represents a chatroom"
|
||||
type ChatRoom {
|
||||
"the members of the chatroom"
|
||||
members: [User!]
|
||||
"return a specfic range of messages posted in the chat"
|
||||
getMessages(first: Int, offset: Int): [String]
|
||||
"id of the chat"
|
||||
id: ID!
|
||||
"the members of the chatroom"
|
||||
members: [User!]
|
||||
|
||||
"return a specfic range of messages posted in the chat"
|
||||
getMessages(first: Int, offset: Int): [String]
|
||||
|
||||
"id of the chat"
|
||||
id: ID!
|
||||
}
|
||||
|
||||
"represents the type of vote performed on a post"
|
||||
enum VoteType {
|
||||
UPVOTE
|
||||
DOWNVOTE
|
||||
UPVOTE
|
||||
DOWNVOTE
|
||||
}
|
||||
|
||||
"represents the type of request that the user has received"
|
||||
enum RequestType {
|
||||
FRIENDREQUEST
|
||||
GROUPINVITE
|
||||
EVENTINVITE
|
||||
FRIENDREQUEST
|
||||
GROUPINVITE
|
||||
EVENTINVITE
|
||||
}
|
||||
|
||||
@ -0,0 +1,3 @@
|
||||
ALTER TABLE IF EXISTS votes
|
||||
ADD COLUMN IF NOT EXISTS vote_type varchar(8) DEFAULT 'upvote',
|
||||
ALTER COLUMN vote_type SET DEFAULT 'upvote';
|
||||
Loading…
Reference in New Issue