added delete post function

src/app/app.module.ts

@@ -10,7 +10,6 @@ import { DocumentListComponent } from './components/document-list/document-list.
 import { DocumentComponent } from './components/document/document.component';
 import { RegisterComponent } from './components/register/register.component';
 import { LoginComponent } from './components/login/login.component';
-import { AppScaffoldComponent } from './components/app-scaffold/app-scaffold.component';
 import { ChatComponent } from './components/chat/chat.component';
 import { FriendsComponent } from './components/social/friends/friends.component';
 import { FeedComponent } from './components/feed/feed.component';
@@ -82,7 +81,6 @@ const appRoutes: Routes = [
     DocumentComponent,
     RegisterComponent,
     LoginComponent,
-    AppScaffoldComponent,
     ChatComponent,
     FriendsComponent,
     FeedComponent,

src/app/components/app-scaffold/app-scaffold.component.html

@@ -1,23 +0,0 @@
-<h1>Greenvironment</h1>
-  <button id="tab-home" routerLink="">Home</button>
-  <button id="tab-profile" routerLink={{profileUrl}} *ngIf="loggedIn">Profile</button>
-  <button id="tab-about" routerLink="/about">About</button>
-  <button id="tab-imprint" routerLink="/imprint">Imprint</button>
-  <button id="tab-login" routerLink="/login" *ngIf="loggedIn != true">Login</button>
-  <div id="dropdown" *ngIf="loggedIn">
-    <div>
-      <span id="symbol" (click)="showDropdown()"><i class="fa fa-caret-down" aria-hidden="true"></i></span>
-      <span>{{username}}</span>
-    </div>
-    <div id="dropdown-content" *ngIf="dropdownShown">
-      <div>
-        <span>Rang:</span>
-        <span>{{level}}</span>
-      </div>
-      <div>
-        <span>Punkte:</span>
-        <span>{{points}}</span>
-      </div>
-    </div>
-  </div>
-  <button id="logoutbutton" *ngIf="loggedIn" (click)="logout()"><span><i class="fa fa-sign-out-alt fa-2x" aria-hidden="true"></i></span></button>

src/app/components/app-scaffold/app-scaffold.component.spec.ts

@@ -1,25 +0,0 @@
-import { async, ComponentFixture, TestBed } from '@angular/core/testing';
-
-import { AppScaffoldComponent } from './app-scaffold.component';
-
-describe('AppScaffoldComponent', () => {
-  let component: AppScaffoldComponent;
-  let fixture: ComponentFixture<AppScaffoldComponent>;
-
-  beforeEach(async(() => {
-    TestBed.configureTestingModule({
-      declarations: [ AppScaffoldComponent ]
-    })
-    .compileComponents();
-  }));
-
-  beforeEach(() => {
-    fixture = TestBed.createComponent(AppScaffoldComponent);
-    component = fixture.componentInstance;
-    fixture.detectChanges();
-  });
-
-  it('should create', () => {
-    expect(component).toBeTruthy();
-  });
-});

src/app/components/app-scaffold/app-scaffold.component.ts

@@ -1,74 +0,0 @@
-import { Component, OnInit } from '@angular/core';
-import { LoginComponent } from '../login/login.component';
-import { DatasharingService } from '../../services/datasharing.service';
-import { SelfService } from '../../services/selfservice/self.service';
-import { Levellist } from 'src/app/models/levellist';
-import { Http } from '@angular/http';
-import { Router } from '@angular/router';
-import { User } from 'src/app/models/user';
-import { environment } from 'src/environments/environment';
-
-@Component({
-  selector: 'app-scaffold',
-  templateUrl: './app-scaffold.component.html',
-  styleUrls: ['./app-scaffold.component.sass']
-})
-
-export class AppScaffoldComponent implements OnInit {
-  loggedIn = false;
-  userId: number;
-  username: string;
-  user: User;
-  levellist: Levellist = new Levellist();
-  level: string;
-  points: number;
-  profileUrl: string;
-
-  dropdownShown = false;
-
-  constructor(
-    private data: DatasharingService,
-    private selfservice: SelfService,
-    private http: Http,
-    private router: Router) { }
-
-  ngOnInit() {
-    this.data.currentUserInfo.subscribe(user => {
-      this.user = user;
-      this.loggedIn = user.loggedIn;
-      this.userId = user.userID;
-      this.username = user.username;
-      this.level = this.levellist.getLevelName(user.level);
-      this.points = user.points;
-      this.profileUrl = '/profile/' + this.userId;
-    });
-  }
-
-  showDropdown() {
-    if (!this.dropdownShown) {
-      this.dropdownShown = true;
-    } else {
-      this.dropdownShown = false;
-    }
-  }
-
-  logout() {
-    const url = environment.graphQLUrl;
-
-    const headers = new Headers();
-    headers.set('Content-Type', 'application/json');
-
-    const body = {query: `mutation {
-        logout
-      }`};
-
-    this.http.post(url, body).subscribe(response => {
-        console.log(response.text()); });
-    this.loggedIn = false;
-    const user = new User();
-    user.loggedIn = false;
-    this.data.changeUserInfo(user);
-    this.router.navigate(['login']);
-  }
-
-}

src/app/components/feed/postlist/postlist.component.html

@@ -21,6 +21,16 @@
 
 <mat-card class="post" *ngFor = "let post of childPostList" [class.selected]="post === selectedPost" tabindex="0">
   <mat-card-header>
+  <div id="button-box">
+    <button mat-icon-button [matMenuTriggerFor]="menu" id="menu-button" *ngIf="post.deletable">
+      <mat-icon>more_vert</mat-icon>
+    </button>
+    <mat-menu #menu="matMenu">
+      <button mat-menu-item (click)="deletePost(post)">
+        <span>delete Post</span>
+      </button>
+    </mat-menu>
+  </div>
   <!-- <div mat-card-avatar class="example-header-image"></div> -->
     <mat-card-title>
       {{post.author.name}}
@@ -48,3 +58,4 @@
     {{post.downvotes}}
   </mat-card-actions>
 </mat-card>
+

src/app/components/feed/postlist/postlist.component.sass

@@ -13,5 +13,7 @@
         display: contents
     a:hover
         cursor: pointer
-
+    #button-box
+        text-align: right
+        margin-left: auto
  

src/app/components/feed/postlist/postlist.component.ts

@@ -29,6 +29,17 @@ export class PostlistComponent implements OnInit {
         this.voteEvent.emit(true); });
   }
 
+  deletePost(pPost: Post) {
+    this.feedService.deletePost(pPost.id).subscribe(response => {
+      for (let i = 0; i < this.childPostList.length; i++) {
+        if (this.childPostList[i].id === pPost.id) {
+          this.childPostList.splice(i, 1);
+          return;
+        }
+      }
+    });
+  }
+
   public showUserProfile(post: any) {
     this.router.navigate(['profile/' + post.author.id]);
   }

src/app/models/post.ts

@@ -8,6 +8,7 @@ export class Post {
     upvotes: number;
     downvotes: number;
     userVote: string;
+    deletable: boolean;
     author: Author;
 
     // TODO: constructor properties need normal names
@@ -18,6 +19,7 @@ export class Post {
       pUpvotes: number,
       pDownvotes: number,
       pUserVote: string,
+      pDeletable: boolean,
       pDate: string,
       pAuthor: Author
     ) {
@@ -27,6 +29,7 @@ export class Post {
         this.upvotes = pUpvotes;
         this.downvotes = pDownvotes;
         this.userVote = pUserVote;
+        this.deletable = pDeletable;
         this.date = pDate;
         this.author = pAuthor;
     }

src/app/services/feed/feed.service.ts

@@ -28,28 +28,29 @@ export class FeedService {
         console.log(response.text()); });
   }
 
-  public createPost2(pContent: String) {
+  public upvote(pPostID: number): any {
     const url = environment.graphQLUrl;
 
     const headers = new Headers();
     headers.set('Content-Type', 'application/json');
 
-    const body = {query: `query{
-        getSelf {name}
-      }`};
+    const body = {query: `mutation($postId: ID!) {
+        vote(postId: $postId, type: UPVOTE)
+      }`, variables: {
+          postId: pPostID
+      }};
 
-    this.http.post(url, body).subscribe(response => {
-        console.log(response.text()); });
+    return this.http.post(url, body);
   }
 
-  public upvote(pPostID: number): any {
+  public downvote(pPostID: number): any {
     const url = environment.graphQLUrl;
 
     const headers = new Headers();
     headers.set('Content-Type', 'application/json');
 
     const body = {query: `mutation($postId: ID!) {
-        vote(postId: $postId, type: UPVOTE)
+        vote(postId: $postId, type: DOWNVOTE)
       }`, variables: {
           postId: pPostID
       }};
@@ -57,19 +58,17 @@ export class FeedService {
     return this.http.post(url, body);
   }
 
-  public downvote(pPostID: number): any {
-    const url = environment.graphQLUrl;
-
+  public deletePost(pPostID: number): any {
     const headers = new Headers();
     headers.set('Content-Type', 'application/json');
 
     const body = {query: `mutation($postId: ID!) {
-        vote(postId: $postId, type: DOWNVOTE)
+        deletePost(postId: $postId)
       }`, variables: {
           postId: pPostID
       }};
 
-    return this.http.post(url, body);
+    return this.http.post(environment.graphQLUrl, body);
   }
 
   public getAllPosts(): Array<Post> {
@@ -126,6 +125,7 @@ export class FeedService {
           upvotes,
           downvotes,
           userVote(userId: $userId),
+          deletable(userId: $userId)
           author{
             name,
             handle,
@@ -164,11 +164,12 @@ export class FeedService {
       const upvotes: number = post.upvotes;
       const downvotes: number = post.downvotes;
       const userVote: string = post.userVote;
+      const deletable: boolean = post.deletable;
       const author = new Author(post.author.id, post.author.name, post.author.handle);
       const temp = new Date(Number(post.createdAt));
       const date = temp.toLocaleString('en-GB');
 
-      posts.push(new Post(id, content, htmlContent, upvotes, downvotes, userVote, date, author));
+      posts.push(new Post(id, content, htmlContent, upvotes, downvotes, userVote, deletable, date, author));
     }
     return posts;
   }