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@ -1,144 +1,207 @@
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import {Injectable} from '@angular/core';
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import {Injectable} from '@angular/core';
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import {HttpClient} from '@angular/common/http';
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import {HttpClient, HttpErrorResponse} from '@angular/common/http';
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import {Post} from 'src/app/models/post';
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import {Post} from 'src/app/models/post';
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import {Author} from 'src/app/models/author';
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import {Author} from 'src/app/models/author';
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import {environment} from 'src/environments/environment';
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import {environment} from 'src/environments/environment';
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import {Activity} from 'src/app/models/activity';
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import {Activity} from 'src/app/models/activity';
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import {BehaviorSubject} from 'rxjs';
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import {BehaviorSubject} from 'rxjs';
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import {tap} from 'rxjs/operators';
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import {tap} from 'rxjs/operators';
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import {BaseService} from '../base.service';
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const createPostGqlQuery = `mutation($content: String!) {
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createPost(content: $content) {
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id,
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content,
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htmlContent,
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upvotes,
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downvotes,
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userVote,
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deletable,
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activity{
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id
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name
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description
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points
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},
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author{
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name,
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handle,
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profilePicture,
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id},
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createdAt}
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}`;
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const createPostActivityGqlQuery = `mutation($content: String!, $id: ID) {
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createPost(content: $content activityId: $id) {
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id,
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content,
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htmlContent,
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upvotes,
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downvotes,
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userVote,
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deletable,
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activity{
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id
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name
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description
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points
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},
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author{
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name,
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handle,
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profilePicture,
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id},
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createdAt}
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}`;
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const upvotePostGqlQuery = `mutation($postId: ID!) {
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vote(postId: $postId, type: UPVOTE) {
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post{userVote upvotes downvotes}
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}
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}`;
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const downvotePostGqlQuery = `mutation($postId: ID!) {
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vote(postId: $postId, type: DOWNVOTE) {
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post{userVote upvotes downvotes}
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}
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}`;
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const getPostGqlQuery = `query($first: Int, $offset: Int, $sort: SortType){
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getPosts (first: $first, offset: $offset, sort: $sort) {
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id,
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content,
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htmlContent,
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upvotes,
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downvotes,
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userVote,
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deletable,
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activity{
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id
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name
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description
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points
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},
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author{
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name,
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handle,
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profilePicture,
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id},
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createdAt}
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}`;
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export enum Sort {
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NEW = 'NEW',
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TOP = 'TOP',
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}
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@Injectable({
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@Injectable({
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providedIn: 'root'
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providedIn: 'root'
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})
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})
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export class FeedService {
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export class FeedService extends BaseService {
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constructor(private http: HttpClient) {
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super();
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}
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public newPostsAvailable = new BehaviorSubject<boolean>(true);
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public postsAvailable = new BehaviorSubject<boolean>(true);
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public topPostsAvailable = new BehaviorSubject<boolean>(true);
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public posts: BehaviorSubject<Post[]> = new BehaviorSubject([]);
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public posts: BehaviorSubject<Post[]> = new BehaviorSubject([]);
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public newPosts: BehaviorSubject<Post[]> = new BehaviorSubject([]);
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private activePostList: Sort = Sort.NEW;
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public mostLikedPosts: BehaviorSubject<Post[]> = new BehaviorSubject([]);
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private offset = 0;
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private activePostList = 'NEW';
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private offsetStep = 10;
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private mostLikedOffset = 0;
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private newOffset = 0;
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constructor(private http: HttpClient) {
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/**
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* Builds the body for a getPost request
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* @param sort
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* @param offset
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* @param first
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*/
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private static buildGetPostBody(sort: string, offset: number, first: number = 10) {
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return {
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query: getPostGqlQuery, variables: {
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first,
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offset,
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sort
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}
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};
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}
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}
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/**
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* Creates a new post
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* @param pContent
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*/
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public createPost(pContent: String) {
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public createPost(pContent: String) {
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const headers = new Headers();
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headers.set('Content-Type', 'application/json');
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const body = {
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const body = {
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query: `mutation($content: String!) {
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query: createPostGqlQuery,
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createPost(content: $content) {
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variables: {
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id,
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content,
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htmlContent,
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upvotes,
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downvotes,
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userVote,
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deletable,
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activity{
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id
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name
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description
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points
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},
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author{
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name,
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handle,
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profilePicture,
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id},
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createdAt}
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}`, variables: {
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content: pContent
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content: pContent
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}
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}
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};
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};
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return this.http.post(environment.graphQLUrl, body).pipe(tap(response => {
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return this.createPostRequest(body);
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const updatedposts = this.newPosts.getValue();
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updatedposts.unshift(this.renderPost(response));
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this.newPosts.next(updatedposts);
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this.setPost('NEW');
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}));
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}
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}
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/**
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* Creates a post with an activity
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* @param pContent
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* @param activityId
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*/
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public createPostActivity(pContent: String, activityId: String) {
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public createPostActivity(pContent: String, activityId: String) {
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const headers = new Headers();
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headers.set('Content-Type', 'application/json');
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const body = {
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const body = {
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query: `mutation($content: String!, $id: ID) {
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query: createPostActivityGqlQuery, variables: {
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createPost(content: $content activityId: $id) {
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id,
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content,
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htmlContent,
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upvotes,
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downvotes,
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userVote,
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deletable,
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activity{
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id
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name
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description
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points
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},
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author{
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name,
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handle,
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profilePicture,
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id},
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createdAt}
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}`, variables: {
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content: pContent,
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content: pContent,
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id: activityId
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id: activityId
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}
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}
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};
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};
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return this.http.post(environment.graphQLUrl, body).pipe(tap(response => {
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return this.createPostRequest(body);
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const updatedposts = this.newPosts.getValue();
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updatedposts.unshift(this.renderPost(response));
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this.newPosts.next(updatedposts);
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this.setPost('NEW');
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}));
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}
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}
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public upvote(postId: number): any {
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/**
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const headers = new Headers();
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* Creates a new post with a given request.
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headers.set('Content-Type', 'application/json');
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* @param body
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*/
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private createPostRequest(body: { variables: any; query: string }) {
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return this.http.post(environment.graphQLUrl, body, {headers: this.headers})
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.pipe(tap(response => {
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if (this.activePostList === Sort.NEW) {
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const updatedPosts = this.posts.getValue();
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updatedPosts.unshift(this.constructPost(response));
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this.posts.next(updatedPosts);
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}
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}));
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}
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/**
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* Upvotes a post
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* @param postId
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*/
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public upvote(postId: number): any {
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const body = {
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const body = {
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query: `mutation($postId: ID!) {
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query: upvotePostGqlQuery, variables: {
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vote(postId: $postId, type: UPVOTE) {
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post{userVote upvotes downvotes}
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}
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}`, variables: {
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postId
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postId
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}
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}
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};
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};
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return this.http.post(environment.graphQLUrl, body);
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return this.http.post(environment.graphQLUrl, body, {headers: this.headers}).pipe(this.retryRated());
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}
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}
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|
public downvote(pPostID: number): any {
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|
/**
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|
const headers = new Headers();
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|
* Downvotes a post
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|
headers.set('Content-Type', 'application/json');
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|
* @param postId
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|
*/
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|
public downvote(postId: number): any {
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const body = {
|
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|
const body = {
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|
|
query: `mutation($postId: ID!) {
|
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|
query: downvotePostGqlQuery, variables: {
|
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|
vote(postId: $postId, type: DOWNVOTE) {
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|
postId
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|
post{userVote upvotes downvotes}
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}
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|
}`, variables: {
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postId: pPostID
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}
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}
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};
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};
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return this.http.post(environment.graphQLUrl, body);
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|
return this.http.post(environment.graphQLUrl, body, {headers: this.headers}).pipe(this.retryRated());
|
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|
}
|
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|
}
|
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|
/**
|
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|
* Deletes a post
|
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* @param pPostID
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|
*/
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|
public deletePost(pPostID: number): any {
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|
|
public deletePost(pPostID: number): any {
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|
const headers = new Headers();
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|
headers.set('Content-Type', 'application/json');
|
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const body = {
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|
const body = {
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|
|
query: `mutation($postId: ID!) {
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|
|
query: `mutation($postId: ID!) {
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|
deletePost(postId: $postId)
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|
deletePost(postId: $postId)
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|
|
@ -146,110 +209,47 @@ export class FeedService {
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|
postId: pPostID
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|
postId: pPostID
|
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|
}
|
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|
|
}
|
|
|
|
};
|
|
|
|
};
|
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|
|
return this.http.post(environment.graphQLUrl, body, {headers: this.headers})
|
|
|
|
return this.http.post(environment.graphQLUrl, body);
|
|
|
|
.pipe(this.retryRated());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public getPosts(sort: string) {
|
|
|
|
/**
|
|
|
|
console.log('feedservice: getPosts()');
|
|
|
|
* Resets the post list and fetches new posts for the given sorting
|
|
|
|
if ((sort === 'NEW' && this.newPosts.getValue().length === 0) ||
|
|
|
|
* @param sort
|
|
|
|
(sort === 'TOP' && this.mostLikedPosts.getValue().length === 0)) {
|
|
|
|
*/
|
|
|
|
const headers = new Headers();
|
|
|
|
public getPosts(sort: Sort) {
|
|
|
|
headers.set('Content-Type', 'application/json');
|
|
|
|
this.offset = 0;
|
|
|
|
this.http.post(environment.graphQLUrl, this.buildJson(sort, 0))
|
|
|
|
this.postsAvailable.next(true);
|
|
|
|
.subscribe(response => {
|
|
|
|
this.posts.next([]);
|
|
|
|
if (sort === 'NEW') {
|
|
|
|
return this.http.post(environment.graphQLUrl, FeedService.buildGetPostBody(sort, 0),
|
|
|
|
this.newPosts.next(this.renderAllPosts(response));
|
|
|
|
{headers: this.headers})
|
|
|
|
} else if (sort === 'TOP') {
|
|
|
|
.pipe(this.retryRated())
|
|
|
|
this.mostLikedPosts.next(this.renderAllPosts(response));
|
|
|
|
.subscribe(response => {
|
|
|
|
}
|
|
|
|
this.posts.next(this.constructAllPosts(response));
|
|
|
|
this.setPost(sort);
|
|
|
|
this.activePostList = sort;
|
|
|
|
});
|
|
|
|
});
|
|
|
|
}
|
|
|
|
|
|
|
|
this.setPost(sort);
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
|
|
* Fetches the next posts for the current sorting
|
|
|
|
|
|
|
|
*/
|
|
|
|
public getNextPosts() {
|
|
|
|
public getNextPosts() {
|
|
|
|
if (this.activePostList === 'NEW' && this.newPostsAvailable) {
|
|
|
|
this.offset += this.offsetStep;
|
|
|
|
this.newOffset += 10;
|
|
|
|
const body = FeedService.buildGetPostBody(this.activePostList, this.offset);
|
|
|
|
const headers = new Headers();
|
|
|
|
this.http.post(environment.graphQLUrl, body, {headers: this.headers})
|
|
|
|
headers.set('Content-Type', 'application/json');
|
|
|
|
.pipe(this.retryRated())
|
|
|
|
this.http.post(environment.graphQLUrl, this.buildJson(this.activePostList, this.newOffset))
|
|
|
|
.subscribe(response => {
|
|
|
|
.subscribe(response => {
|
|
|
|
const posts = this.constructAllPosts(response);
|
|
|
|
let updatedposts = this.newPosts.getValue();
|
|
|
|
const updatedPostList = this.posts.getValue().concat(posts);
|
|
|
|
updatedposts = updatedposts.concat(this.renderAllPosts(response));
|
|
|
|
this.posts.next(updatedPostList);
|
|
|
|
if (this.renderAllPosts(response).length < 1) {
|
|
|
|
if (posts.length < this.offsetStep) {
|
|
|
|
this.newPostsAvailable.next(false);
|
|
|
|
this.postsAvailable.next(false);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
this.newPosts.next(updatedposts);
|
|
|
|
});
|
|
|
|
this.setPost('NEW');
|
|
|
|
|
|
|
|
});
|
|
|
|
|
|
|
|
} else if (this.activePostList === 'TOP' && this.topPostsAvailable) {
|
|
|
|
|
|
|
|
this.mostLikedOffset += 10;
|
|
|
|
|
|
|
|
const headers = new Headers();
|
|
|
|
|
|
|
|
headers.set('Content-Type', 'application/json');
|
|
|
|
|
|
|
|
this.http.post(environment.graphQLUrl, this.buildJson(this.activePostList, this.mostLikedOffset))
|
|
|
|
|
|
|
|
.subscribe(response => {
|
|
|
|
|
|
|
|
let updatedposts = this.mostLikedPosts.getValue();
|
|
|
|
|
|
|
|
updatedposts = updatedposts.concat(this.renderAllPosts(response));
|
|
|
|
|
|
|
|
if (this.renderAllPosts(response).length < 1) {
|
|
|
|
|
|
|
|
this.topPostsAvailable.next(false);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
this.mostLikedPosts.next(updatedposts);
|
|
|
|
|
|
|
|
this.setPost('TOP');
|
|
|
|
|
|
|
|
});
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
setPost(sort: string) {
|
|
|
|
|
|
|
|
this.activePostList = sort;
|
|
|
|
|
|
|
|
if (sort === 'NEW') {
|
|
|
|
|
|
|
|
this.posts.next(this.newPosts.getValue());
|
|
|
|
|
|
|
|
} else if (sort === 'TOP') {
|
|
|
|
|
|
|
|
this.posts.next(this.mostLikedPosts.getValue());
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
buildJson(sort: string, offset: number) {
|
|
|
|
|
|
|
|
const body = {
|
|
|
|
|
|
|
|
query: `query($offset: Int, $sort: SortType){
|
|
|
|
|
|
|
|
getPosts (first: 10, offset: $offset, sort: $sort) {
|
|
|
|
|
|
|
|
id,
|
|
|
|
|
|
|
|
content,
|
|
|
|
|
|
|
|
htmlContent,
|
|
|
|
|
|
|
|
upvotes,
|
|
|
|
|
|
|
|
downvotes,
|
|
|
|
|
|
|
|
userVote,
|
|
|
|
|
|
|
|
deletable,
|
|
|
|
|
|
|
|
activity{
|
|
|
|
|
|
|
|
id
|
|
|
|
|
|
|
|
name
|
|
|
|
|
|
|
|
description
|
|
|
|
|
|
|
|
points
|
|
|
|
|
|
|
|
},
|
|
|
|
|
|
|
|
author{
|
|
|
|
|
|
|
|
name,
|
|
|
|
|
|
|
|
handle,
|
|
|
|
|
|
|
|
profilePicture,
|
|
|
|
|
|
|
|
id},
|
|
|
|
|
|
|
|
createdAt}
|
|
|
|
|
|
|
|
}`, variables: {
|
|
|
|
|
|
|
|
offset,
|
|
|
|
|
|
|
|
sort
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
return body;
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public renderPost(response: any): Post {
|
|
|
|
public constructPost(response: any): Post {
|
|
|
|
const post = response.data.createPost;
|
|
|
|
const post = response.data.createPost;
|
|
|
|
const id: number = post.id;
|
|
|
|
|
|
|
|
const content: string = post.content;
|
|
|
|
|
|
|
|
const htmlContent: string = post.htmlContent;
|
|
|
|
|
|
|
|
const upvotes: number = post.upvotes;
|
|
|
|
|
|
|
|
const downvotes: number = post.downvotes;
|
|
|
|
|
|
|
|
const userVote: string = post.userVote;
|
|
|
|
|
|
|
|
const deletable: boolean = post.deletable;
|
|
|
|
|
|
|
|
let profilePicture: string;
|
|
|
|
let profilePicture: string;
|
|
|
|
if (post.author.profilePicture) {
|
|
|
|
if (post.author.profilePicture) {
|
|
|
|
profilePicture = environment.greenvironmentUrl + post.author.profilePicture;
|
|
|
|
profilePicture = environment.greenvironmentUrl + post.author.profilePicture;
|
|
|
|
@ -270,20 +270,22 @@ export class FeedService {
|
|
|
|
activity = null;
|
|
|
|
activity = null;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return new Post(id, content, htmlContent, upvotes, downvotes, userVote, deletable, date, author, activity);
|
|
|
|
return new Post(
|
|
|
|
|
|
|
|
post.id,
|
|
|
|
|
|
|
|
post.content,
|
|
|
|
|
|
|
|
post.htmlContent,
|
|
|
|
|
|
|
|
post.upvotes,
|
|
|
|
|
|
|
|
post.downvotes,
|
|
|
|
|
|
|
|
post.userVote,
|
|
|
|
|
|
|
|
post.deletable,
|
|
|
|
|
|
|
|
date,
|
|
|
|
|
|
|
|
author,
|
|
|
|
|
|
|
|
activity);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public renderAllPosts(pResponse: any): Array<Post> {
|
|
|
|
public constructAllPosts(response: any): Post[] {
|
|
|
|
const posts = new Array<Post>();
|
|
|
|
const posts = new Array<Post>();
|
|
|
|
// let options = {year: 'numeric', month: 'short', day: 'numeric', hour: '' }
|
|
|
|
for (const post of response.data.getPosts) {
|
|
|
|
for (const post of pResponse.data.getPosts) {
|
|
|
|
|
|
|
|
const id: number = post.id;
|
|
|
|
|
|
|
|
const content: string = post.content;
|
|
|
|
|
|
|
|
const htmlContent: string = post.htmlContent;
|
|
|
|
|
|
|
|
const upvotes: number = post.upvotes;
|
|
|
|
|
|
|
|
const downvotes: number = post.downvotes;
|
|
|
|
|
|
|
|
const userVote: string = post.userVote;
|
|
|
|
|
|
|
|
const deletable: boolean = post.deletable;
|
|
|
|
|
|
|
|
let profilePicture: string;
|
|
|
|
let profilePicture: string;
|
|
|
|
if (post.author.profilePicture) {
|
|
|
|
if (post.author.profilePicture) {
|
|
|
|
profilePicture = environment.greenvironmentUrl + post.author.profilePicture;
|
|
|
|
profilePicture = environment.greenvironmentUrl + post.author.profilePicture;
|
|
|
|
@ -303,7 +305,17 @@ export class FeedService {
|
|
|
|
} else {
|
|
|
|
} else {
|
|
|
|
activity = null;
|
|
|
|
activity = null;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
posts.push(new Post(id, content, htmlContent, upvotes, downvotes, userVote, deletable, date, author, activity));
|
|
|
|
posts.push(new Post(
|
|
|
|
|
|
|
|
post.id,
|
|
|
|
|
|
|
|
post.content,
|
|
|
|
|
|
|
|
post.htmlContent,
|
|
|
|
|
|
|
|
post.upvotes,
|
|
|
|
|
|
|
|
post.downvotes,
|
|
|
|
|
|
|
|
post.userVote,
|
|
|
|
|
|
|
|
post.deletable,
|
|
|
|
|
|
|
|
date,
|
|
|
|
|
|
|
|
author,
|
|
|
|
|
|
|
|
activity));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return posts;
|
|
|
|
return posts;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
Max_ES
5 years ago
committed by
Gitea