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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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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}
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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";
|
||||||
|
|
||||||
|
export class User extends DataObject {
|
||||||
|
private $name: string;
|
||||||
|
private $handle: string;
|
||||||
|
private $email: string;
|
||||||
|
private $greenpoints: number;
|
||||||
|
private $joinedAt: string;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The name of the user
|
||||||
|
*/
|
||||||
|
public async name(): Promise<string> {
|
||||||
|
this.loadDataIfNotExists();
|
||||||
|
return this.$name;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Sets the username of the user
|
||||||
|
* @param name
|
||||||
|
*/
|
||||||
|
public async setName(name: string): Promise<string> {
|
||||||
|
const result = await queryHelper.first({
|
||||||
|
text: "UPDATE TABLE users SET name = $1 WHERE id = $2",
|
||||||
|
values: [name, this.id],
|
||||||
|
});
|
||||||
|
return result.name;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The unique handle of the user.
|
||||||
|
*/
|
||||||
|
public async handle(): Promise<string> {
|
||||||
|
this.loadDataIfNotExists();
|
||||||
|
return this.$handle;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Updates the handle of the user
|
||||||
|
*/
|
||||||
|
public async setHandle(handle: string): Promise<string> {
|
||||||
|
const result = await queryHelper.first({
|
||||||
|
text: "UPDATE TABLE users SET handle = $1 WHERE id = $2",
|
||||||
|
values: [handle, this.id],
|
||||||
|
});
|
||||||
|
return result.handle;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The email of the user
|
||||||
|
*/
|
||||||
|
public async email(): Promise<string> {
|
||||||
|
this.loadDataIfNotExists();
|
||||||
|
return this.$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 {
|
type Query {
|
||||||
"returns the user object for a given user id"
|
"returns the user object for a given user id"
|
||||||
getUser(userId: ID): User
|
getUser(userId: ID): User
|
||||||
"returns the post object for a post id"
|
|
||||||
getPost(postId: ID): Post
|
"returns the post object for a post id"
|
||||||
"returns the chat object for a chat id"
|
getPost(postId: ID): Post
|
||||||
getChat(chatId: ID): ChatRoom
|
|
||||||
"returns the request object for a request id"
|
"returns the chat object for a chat id"
|
||||||
getRequest(requestId: ID): Request
|
getChat(chatId: ID): ChatRoom
|
||||||
"find a post by the posted date or content"
|
|
||||||
findPost(first: Int, offset: Int, text: String!, postedDate: String): [Post]
|
"returns the request object for a request id"
|
||||||
"find a user by user name or handle"
|
getRequest(requestId: ID): Request
|
||||||
findUser(first: Int, offset: Int, name: String!, handle: String!): [User]
|
|
||||||
|
"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 {
|
type Mutation {
|
||||||
"Upvote/downvote a Post"
|
"Upvote/downvote a Post"
|
||||||
vote(postId: ID!, type: [VoteType!]!): Boolean
|
vote(postId: ID!, type: [VoteType!]!): Boolean
|
||||||
"Report the post"
|
|
||||||
report(postId: ID!): 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"
|
"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"
|
"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"
|
"represents a single user account"
|
||||||
type User {
|
type User {
|
||||||
"url for the Profile picture of the User"
|
"url for the Profile picture of the User"
|
||||||
profilePicture: String!
|
profilePicture: String!
|
||||||
"name of the User"
|
|
||||||
name: String!
|
"name of the User"
|
||||||
"unique identifier name from the User"
|
name: String!
|
||||||
handle: String!
|
|
||||||
"Id of the User"
|
"unique identifier name from the User"
|
||||||
id: ID!
|
handle: String!
|
||||||
"the total number of posts the user posted"
|
|
||||||
numberOfPosts: Int
|
"Id of the User"
|
||||||
"returns a given number of posts of a user"
|
id: ID!
|
||||||
getAllPosts(first: Int=10, offset: Int): [Post]
|
|
||||||
"creation date of the user account"
|
"the total number of posts the user posted"
|
||||||
joinedDate: String!
|
numberOfPosts: Int
|
||||||
"returns chats the user pinned"
|
|
||||||
pinnedChats: [ChatRoom]
|
"returns a given number of posts of a user"
|
||||||
"returns all friends of the user"
|
getAllPosts(first: Int=10, offset: Int): [Post]
|
||||||
friends: [User]
|
|
||||||
"all request for groupChats/friends/events"
|
"creation date of the user account"
|
||||||
requests: [Request]
|
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"
|
"represents a single user post"
|
||||||
type Post {
|
type Post {
|
||||||
"returns the path to the posts picture if it has one"
|
"returns the path to the posts picture if it has one"
|
||||||
picture: String
|
picture: String
|
||||||
"returns the text of the post"
|
|
||||||
text: String
|
"returns the text of the post"
|
||||||
"upvotes of the Post"
|
text: String
|
||||||
upvotes: Int!
|
|
||||||
"downvotes of the Post"
|
"upvotes of the Post"
|
||||||
downvotes: Int!
|
upvotes: Int!
|
||||||
"the user that is the author of the Post"
|
|
||||||
author: User!
|
"downvotes of the Post"
|
||||||
"date the post was created"
|
downvotes: Int!
|
||||||
creationDate: String!
|
|
||||||
"returns the type of vote the user performed on the post"
|
"the user that is the author of the Post"
|
||||||
alreadyVoted: VoteType
|
author: User!
|
||||||
"returns the tags of the post"
|
|
||||||
tags: [String]
|
"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"
|
"represents a request of any type"
|
||||||
type Request {
|
type Request {
|
||||||
"id of the request"
|
"id of the request"
|
||||||
id: ID!
|
id: ID!
|
||||||
"type of the request"
|
|
||||||
requestType: RequestType!
|
"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"
|
"represents a chatroom"
|
||||||
type ChatRoom {
|
type ChatRoom {
|
||||||
"the members of the chatroom"
|
"the members of the chatroom"
|
||||||
members: [User!]
|
members: [User!]
|
||||||
"return a specfic range of messages posted in the chat"
|
|
||||||
getMessages(first: Int, offset: Int): [String]
|
"return a specfic range of messages posted in the chat"
|
||||||
"id of the chat"
|
getMessages(first: Int, offset: Int): [String]
|
||||||
id: ID!
|
|
||||||
|
"id of the chat"
|
||||||
|
id: ID!
|
||||||
}
|
}
|
||||||
|
|
||||||
"represents the type of vote performed on a post"
|
"represents the type of vote performed on a post"
|
||||||
enum VoteType {
|
enum VoteType {
|
||||||
UPVOTE
|
UPVOTE
|
||||||
DOWNVOTE
|
DOWNVOTE
|
||||||
}
|
}
|
||||||
|
|
||||||
"represents the type of request that the user has received"
|
"represents the type of request that the user has received"
|
||||||
enum RequestType {
|
enum RequestType {
|
||||||
FRIENDREQUEST
|
FRIENDREQUEST
|
||||||
GROUPINVITE
|
GROUPINVITE
|
||||||
EVENTINVITE
|
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