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import { wsUri } from '../env';
import { LoginForm, RegisterForm, UserOperation, CommunityForm, PostForm, CommentForm, CommentLikeForm, GetPostsForm, CreatePostLikeForm } from '../interfaces';
import { webSocket } from 'rxjs/webSocket';
import { Subject } from 'rxjs';
import { retryWhen, delay, take } from 'rxjs/operators';
import { UserService } from './';
export class WebSocketService {
private static _instance: WebSocketService;
public subject: Subject<any>;
private constructor() {
this.subject = webSocket(wsUri);
// Even tho this isn't used, its necessary to not keep reconnecting
this.subject
.pipe(retryWhen(errors => errors.pipe(delay(60000), take(999))))
.subscribe();
console.log(`Connected to ${wsUri}`);
}
public static get Instance(){
return this._instance || (this._instance = new this());
}
public login(loginForm: LoginForm) {
this.subject.next(this.wsSendWrapper(UserOperation.Login, loginForm));
}
public register(registerForm: RegisterForm) {
this.subject.next(this.wsSendWrapper(UserOperation.Register, registerForm));
}
public createCommunity(communityForm: CommunityForm) {
this.setAuth(communityForm);
this.subject.next(this.wsSendWrapper(UserOperation.CreateCommunity, communityForm));
}
public editCommunity(communityForm: CommunityForm) {
this.setAuth(communityForm);
this.subject.next(this.wsSendWrapper(UserOperation.EditCommunity, communityForm));
}
public listCommunities() {
this.subject.next(this.wsSendWrapper(UserOperation.ListCommunities, undefined));
}
public listCategories() {
this.subject.next(this.wsSendWrapper(UserOperation.ListCategories, undefined));
}
public createPost(postForm: PostForm) {
this.setAuth(postForm);
this.subject.next(this.wsSendWrapper(UserOperation.CreatePost, postForm));
}
public getPost(postId: number) {
let data = {id: postId, auth: UserService.Instance.auth };
this.subject.next(this.wsSendWrapper(UserOperation.GetPost, data));
}
public getCommunity(communityId: number) {
this.subject.next(this.wsSendWrapper(UserOperation.GetCommunity, {id: communityId}));
}
public createComment(commentForm: CommentForm) {
this.setAuth(commentForm);
this.subject.next(this.wsSendWrapper(UserOperation.CreateComment, commentForm));
}
public editComment(commentForm: CommentForm) {
this.setAuth(commentForm);
this.subject.next(this.wsSendWrapper(UserOperation.EditComment, commentForm));
}
public likeComment(form: CommentLikeForm) {
this.setAuth(form);
this.subject.next(this.wsSendWrapper(UserOperation.CreateCommentLike, form));
}
public getPosts(form: GetPostsForm) {
this.setAuth(form, false);
this.subject.next(this.wsSendWrapper(UserOperation.GetPosts, form));
}
public likePost(form: CreatePostLikeForm) {
this.setAuth(form);
this.subject.next(this.wsSendWrapper(UserOperation.CreatePostLike, form));
}
public editPost(postForm: PostForm) {
this.setAuth(postForm);
this.subject.next(this.wsSendWrapper(UserOperation.EditPost, postForm));
}
private wsSendWrapper(op: UserOperation, data: any) {
let send = { op: UserOperation[op], data: data };
console.log(send);
return send;
}
private setAuth(obj: any, throwErr: boolean = true) {
obj.auth = UserService.Instance.auth;
if (obj.auth == null && throwErr) {
alert("Not logged in.");
throw "Not logged in";
}
}
}
window.onbeforeunload = (e => {
WebSocketService.Instance.subject.unsubscribe();
WebSocketService.Instance.subject = null;
});
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