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