1 files changed, 91 insertions, 0 deletions
diff --git a/src/app/components/comment-page/comment-page.component.ts b/src/app/components/comment-page/comment-page.component.ts
new file mode 100644
index 0000000..bd4cfe5
--- /dev/null
+++ b/src/app/components/comment-page/comment-page.component.ts
@@ -0,0 +1,91 @@
+import { HttpErrorResponse } from '@angular/common/http';
+import { Component, OnInit } from '@angular/core';
+import { FormBuilder, FormControl, FormGroup } from '@angular/forms';
+import { Title } from '@angular/platform-browser';
+import { Router } from '@angular/router';
+import { Guid } from 'guid-typescript';
+import { CommentService } from 'src/app/services/comment.service';
+import { TokenService } from 'src/app/services/token.service';
+import { Comment } from 'src/models/comment';
+
+@Component({
+  selector: 'app-comment-page',
+  templateUrl: './comment-page.component.html',
+  styleUrls: ['./comment-page.component.css']
+})
+export class CommentPageComponent implements OnInit {
+  private _title = 'Comment';
+  public loaded = false;
+  public loggedIn = false;
+  public editable = false;
+  public editingComment = false;
+  public commentId: Guid;
+  public comment: Comment;
+  public editCommentFormGroup: FormGroup;
+
+  constructor(private _titleService: Title, private _router: Router, private _fb: FormBuilder, private _tokenService: TokenService, private _commentService: CommentService){
+    this._titleService.setTitle(this._title);
+  }
+
+  ngOnInit(): void {
+    this.loggedIn = this._tokenService.getTokenFromSessionStorage() !== '';
+    this.commentId = Guid.parse(this._router.url.substring(9));
+
+    // Gets the post and the logged in user and compares them,
+    // to determine if the current post is made by the user
+    this._commentService.getCommentRequest(this.commentId).subscribe(
+      (result: object) => {
+        this.comment = result as Comment;
+        if (this.loggedIn) {
+          this.editable = this.comment.issuerUsername === this._tokenService.getUsernameFromSessionStorageToken();
+        }
+        this.loaded = true;
+      },
+      (err: HttpErrorResponse) => {
+        this._router.navigate(['/not-found']);
+      }
+    );
+
+    this.editCommentFormGroup = this._fb.group({
+      newCommentMessage: new FormControl('')
+    });
+  }
+
+  toPost(): void {
+    this._router.navigate(['/post/' + this.comment.postId]);
+  }
+
+  editComment(): void {
+    if (this._tokenService.getTokenFromSessionStorage() === '') {
+      this._router.navigate(['/login']);
+      return;
+    }
+
+    if (this.editingComment) {
+      const newMessage = this.editCommentFormGroup.get('newCommentMessage')?.value;
+      if (newMessage !== '') {
+        console.log(this.commentId);
+        this._commentService.putCommentWithSessionStorageRequest(this.commentId, this.comment.postId, newMessage).subscribe(
+          (result: object) => {
+            this.reloadPage();
+          }
+        );
+      }
+    }
+    this.editingComment = !this.editingComment;
+  }
+
+  deleteComment(): void {
+    this._commentService.deleteCommentWithSessionStorage(this.commentId).subscribe(
+      (result: object) => {
+        this.toPost();
+      }
+    );
+  }
+
+  private reloadPage(): void {
+    this._router.routeReuseStrategy.shouldReuseRoute = () => false;
+    this._router.onSameUrlNavigation = 'reload';
+    this._router.navigate([this._router.url]);
+  }
+}