Merge branch 'julius-dev' of Software_Engineering_I/greenvironment-server into develop
Trivernis
5 years ago
committed by
Gitea
commit
6687baecce
@ -0,0 +1,73 @@
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import * as crypto from "crypto";
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import {EventEmitter} from "events";
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export class MemoryCache extends EventEmitter {
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private cacheItems: any = {};
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private cacheExpires: any = {};
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private expireCheck: NodeJS.Timeout;
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/**
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* Creates interval function.
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* @param ttl
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*/
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constructor(private ttl: number = 500) {
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super();
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this.expireCheck = setInterval(() => this.checkExpires(), ttl / 2);
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}
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/**
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* Creates a md5 hash of the given key.
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* @param key
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*/
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public hashKey(key: string): string {
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const hash = crypto.createHash("md5");
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const data = hash.update(key, "utf8");
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return data.digest("hex");
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}
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/**
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* Sets an entry.
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* @param key
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* @param value
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*/
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public set(key: string, value: any) {
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this.cacheItems[key] = value;
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this.cacheExpires[key] = Date.now() + this.ttl;
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this.emit("set", key, value);
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}
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/**
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* Returns the entry stored with the given key.
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* @param key
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*/
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public get(key: string) {
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if (this.cacheItems.hasOwnProperty(key)) {
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this.emit("hit", key, this.cacheItems[key]);
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return this.cacheItems[key];
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} else {
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this.emit("miss", key);
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}
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}
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/**
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* Deletes a cache item.
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* @param key
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*/
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public delete(key: string) {
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this.emit("delete", key);
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delete this.cacheItems[key];
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}
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/**
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* Checks expires and clears items that are over the expire value.
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*/
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private checkExpires() {
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for (const [key, value] of Object.entries(this.cacheExpires)) {
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if (value < Date.now()) {
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this.emit("delete", key);
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delete this.cacheItems[key];
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delete this.cacheExpires[key];
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}
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}
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}
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}
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@ -0,0 +1,18 @@
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import markdown from "../markdown";
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import {Chatroom} from "./Chatroom";
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import {User} from "./User";
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export class ChatMessage {
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constructor(
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public readonly author: User,
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public readonly chat: Chatroom,
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public readonly createdAt: number,
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public readonly content: string) {}
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/**
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* The content rendered by markdown-it.
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*/
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public htmlContent(): string {
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return markdown.renderInline(this.content);
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}
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}
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@ -0,0 +1,74 @@
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import globals from "../globals";
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import {ChatMessage} from "./ChatMessage";
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import {queryHelper} from "./index";
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import {User} from "./User";
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export class Chatroom {
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constructor(private readonly id: number) {
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this.id = Number(id);
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}
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/**
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* Returns if the chat exists.
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*/
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public async exists(): Promise<boolean> {
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const result = await queryHelper.first({
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text: "SELECT id FROM chats WHERE id = $1",
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values: [this.id],
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});
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return !!result.id;
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}
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/**
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* Returns all members of a chatroom.
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*/
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public async members(): Promise<User[]> {
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const result = await queryHelper.all({
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cache: true,
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text: `SELECT * FROM chat_members
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JOIN users ON (chat_members.member = users.id)
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WHERE chat_members.chat = $1;`,
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values: [this.id],
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});
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const chatMembers = [];
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for (const row of result) {
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const user = new User(row.id, row);
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chatMembers.push(user);
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}
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return chatMembers;
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}
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/**
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* Returns messages of the chat
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* @param limit - the limit of messages to return
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* @param offset - the offset of messages to return
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* @param containing - filter by containing
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*/
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public async messages({first, offset, containing}: {first?: number, offset?: number, containing?: string}) {
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const lim = first || 16;
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const offs = offset || 0;
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const result = await queryHelper.all({
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cache: true,
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text: "SELECT * FROM chat_messages WHERE chat = $1 ORDER BY created_at DESC LIMIT $2 OFFSET $3",
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values: [this.id, lim, offs],
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});
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const messages = [];
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const users: any = {};
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for (const row of result) {
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if (!users[row.author]) {
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const user = new User(row.author);
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await user.exists();
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users[row.author] = user;
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}
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messages.push(new ChatMessage(users[row.author], this, row.created_at, row.content));
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}
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if (containing) {
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return messages.filter((x) => x.content.includes(containing));
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} else {
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return messages;
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}
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}
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}
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@ -0,0 +1,163 @@
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import {RequestNotFoundError} from "../errors/RequestNotFoundError";
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import {Chatroom} from "./Chatroom";
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import dataaccess, {queryHelper} from "./index";
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import {User} from "./User";
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import {Request} from "./Request";
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export class Profile extends User {
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/**
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* Returns all chatrooms (with pagination).
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* Skips the query if the user doesn't exist.
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* @param first
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* @param offset
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*/
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public async chats({first, offset}: {first: number, offset?: number}): Promise<Chatroom[]> {
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if (!(await this.exists())) {
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return [];
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}
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first = first || 10;
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offset = offset || 0;
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const result = await queryHelper.all({
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text: "SELECT chat FROM chat_members WHERE member = $1 LIMIT $2 OFFSET $3",
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values: [this.id, first, offset],
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});
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if (result) {
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return result.map((row) => new Chatroom(row.chat));
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} else {
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return [];
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}
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}
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/**
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* Returns all open requests the user has send.
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*/
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public async sentRequests() {
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const result = await queryHelper.all({
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cache: true,
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text: "SELECT * FROM requests WHERE sender = $1",
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values: [this.id],
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});
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return this.getRequests(result);
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}
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/**
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* Returns all received requests of the user.
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*/
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public async receivedRequests() {
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const result = await queryHelper.all({
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cache: true,
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text: "SELECT * FROM requests WHERE receiver = $1",
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values: [this.id],
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});
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return this.getRequests(result);
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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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* 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 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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* 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 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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* 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 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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* Denys a request.
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* @param sender
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* @param type
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*/
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public async denyRequest(sender: number, type: dataaccess.RequestType) {
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await queryHelper.first({
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text: "DELETE FROM requests WHERE receiver = $1 AND sender = $2 AND type = $3",
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values: [this.id, sender, type],
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});
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}
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/**
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* Accepts a request.
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* @param sender
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* @param type
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*/
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public async acceptRequest(sender: number, type: dataaccess.RequestType) {
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const exists = await queryHelper.first({
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cache: true,
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text: "SELECT 1 FROM requests WHERE receiver = $1 AND sender = $2 AND type = $3",
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values: [this.id, sender, type],
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});
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if (exists) {
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if (type === dataaccess.RequestType.FRIENDREQUEST) {
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await queryHelper.first({
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text: "INSERT INTO user_friends (user_id, friend_id) VALUES ($1, $2)",
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values: [this.id, sender],
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});
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}
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} else {
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throw new RequestNotFoundError(sender, this.id, type);
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}
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}
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/**
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* Returns request wrapper for a row database request result.
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* @param rows
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*/
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private getRequests(rows: any) {
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const requests = [];
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const requestUsers: any = {};
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for (const row of rows) {
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let sender = requestUsers[row.sender];
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if (!sender) {
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sender = new User(row.sender);
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requestUsers[row.sender] = sender;
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}
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let receiver = requestUsers[row.receiver];
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if (!receiver) {
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receiver = new User(row.receiver);
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requestUsers[row.receiver] = receiver;
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}
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requests.push(new Request(sender, receiver, row.type));
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}
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return requests;
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}
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}
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@ -0,0 +1,12 @@
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import dataaccess from "./index";
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import {User} from "./User";
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/**
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* Represents a request to a user.
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*/
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export class Request {
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constructor(
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public readonly sender: User,
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public readonly receiver: User,
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public readonly type: dataaccess.RequestType) {}
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}
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@ -0,0 +1,13 @@
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import {GraphQLError} from "graphql";
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/**
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* Base error class.
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*/
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export class BaseError extends Error {
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public readonly graphqlError: GraphQLError;
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constructor(message?: string, friendlyMessage?: string) {
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super(message);
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this.graphqlError = new GraphQLError(friendlyMessage || message);
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}
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}
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@ -0,0 +1,7 @@
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import {BaseError} from "./BaseError";
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export class ChatNotFoundError extends BaseError {
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constructor(chatId: number) {
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super(`Chat with id ${chatId} not found.`);
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}
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}
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@ -0,0 +1,9 @@
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import dataaccess from "../dataaccess";
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import {BaseError} from "./BaseError";
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export class RequestNotFoundError extends BaseError {
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constructor(sender: number, receiver: number, type: dataaccess.RequestType) {
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super(`Request with sender '${sender}' and receiver '${receiver}' of type '${type}' not found.`);
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}
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}
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@ -0,0 +1,7 @@
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import {BaseError} from "./BaseError";
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export class UserNotFoundError extends BaseError {
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constructor(username: string) {
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super(`User ${username} not found!`);
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}
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}
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@ -0,0 +1,9 @@
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import {GraphQLError} from "graphql";
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import {BaseError} from "./BaseError";
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export class NotLoggedInGqlError extends GraphQLError {
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constructor() {
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super("Not logged in");
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}
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}
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@ -0,0 +1,36 @@
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import * as MarkdownIt from "markdown-it/lib";
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import globals from "./globals";
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namespace markdown {
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const md = new MarkdownIt();
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|
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for (const pluginName of globals.config.markdown.plugins) {
|
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try {
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const plugin = require(pluginName);
|
||||
if (plugin) {
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md.use(plugin);
|
||||
}
|
||||
} catch (err) {
|
||||
globals.logger.warn(`Markdown-it plugin '${pluginName}' not found!`);
|
||||
}
|
||||
}
|
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|
||||
/**
|
||||
* Renders the markdown string inline (without blocks).
|
||||
* @param markdownString
|
||||
*/
|
||||
export function renderInline(markdownString: string) {
|
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return md.renderInline(markdownString);
|
||||
}
|
||||
|
||||
/**
|
||||
* Renders the markdown string.
|
||||
* @param markdownString
|
||||
*/
|
||||
export function render(markdownString: string) {
|
||||
return md.render(markdownString);
|
||||
}
|
||||
}
|
||||
|
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export default markdown;
|
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@ -0,0 +1,11 @@
|
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export namespace is {
|
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const emailRegex = /\S+?@\S+?(\.\S+?)?\.\w{2,3}(.\w{2-3})?/g
|
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|
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/**
|
||||
* Tests if a string is a valid email.
|
||||
* @param testString
|
||||
*/
|
||||
export function email(testString: string) {
|
||||
return emailRegex.test(testString)
|
||||
}
|
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}
|
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@ -1,3 +1,19 @@
|
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ALTER TABLE IF EXISTS votes
|
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ADD COLUMN IF NOT EXISTS vote_type varchar(8) DEFAULT 'upvote',
|
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ALTER COLUMN vote_type SET DEFAULT 'upvote';
|
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DO $$ BEGIN
|
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|
||||
ALTER TABLE IF EXISTS votes
|
||||
ADD COLUMN IF NOT EXISTS vote_type votetype DEFAULT 'UPVOTE',
|
||||
ALTER COLUMN vote_type TYPE votetype USING cast_to_votetype(vote_type::text),
|
||||
ALTER COLUMN vote_type DROP DEFAULT,
|
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ALTER COLUMN vote_type SET DEFAULT 'UPVOTE';
|
||||
|
||||
ALTER TABLE IF EXISTS posts
|
||||
ALTER COLUMN type TYPE posttype USING cast_to_posttype(type::text),
|
||||
ALTER COLUMN type DROP DEFAULT,
|
||||
ALTER COLUMN type SET DEFAULT 'MISC',
|
||||
DROP COLUMN IF EXISTS upvotes,
|
||||
DROP COLUMN IF EXISTS downvotes;
|
||||
|
||||
ALTER TABLE requests
|
||||
ADD COLUMN IF NOT EXISTS type requesttype DEFAULT 'FRIENDREQUEST';
|
||||
|
||||
END $$;
|
||||
|
||||
@ -1,13 +0,0 @@
|
||||
div#feedcontainer
|
||||
div.postinput
|
||||
input(type=text placeholder='Post something')
|
||||
button.submitbutton Submit
|
||||
div.feeditem
|
||||
div.itemhead
|
||||
span.title Testuser
|
||||
span.handle
|
||||
a(href='#') @testuser
|
||||
span.date 23.09.19 10:07
|
||||
p.text
|
||||
| Example Test text.
|
||||
| This is a test
|
||||
@ -1 +0,0 @@
|
||||
div#friendscontainer
|
||||
@ -1,9 +0,0 @@
|
||||
html
|
||||
head
|
||||
title Greenvironment Network
|
||||
include ../includes/head
|
||||
body
|
||||
div#content
|
||||
include stylebar
|
||||
include feed
|
||||
include friends
|
||||
@ -1,2 +0,0 @@
|
||||
div.stylebar
|
||||
h1 Greenvironment
|
||||
@ -1 +0,0 @@
|
||||
link(rel='stylesheet' href='stylesheets/style.css')
|
||||
@ -1,8 +0,0 @@
|
||||
html
|
||||
head
|
||||
title Greenvironment Network Login
|
||||
include ../includes/head
|
||||
body
|
||||
div#content
|
||||
include stylebar
|
||||
include login
|
||||
@ -1,2 +0,0 @@
|
||||
div.stylebar
|
||||
h1 Greenvironment
|
||||
@ -1,8 +0,0 @@
|
||||
html
|
||||
head
|
||||
title Greenvironment Network Register
|
||||
include ../includes/head
|
||||
body
|
||||
div#content
|
||||
include stylebar
|
||||
include register
|
||||
@ -1,8 +0,0 @@
|
||||
div#input-register
|
||||
input(type=text placeholder='username')
|
||||
input(type=text placeholder='email')
|
||||
input(type=text placeholder='password')
|
||||
input(type=text placeholder='repeat password')
|
||||
button.registerButton Register
|
||||
a(href="/login" )
|
||||
| You are already part of greenvironment? - login
|
||||
@ -1,2 +0,0 @@
|
||||
div.stylebar
|
||||
h1 Greenvironment
|
||||
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