1 files changed, 85 insertions, 13 deletions

diff --git a/src/app/components/comment/comment.component.ts b/src/app/components/comment/comment.component.ts
index 5076769..2a54f92 100644
--- a/src/app/components/comment/comment.component.ts
+++ b/src/app/components/comment/comment.component.ts
@@ -1,54 +1,126 @@
-import { Component, Input, OnInit } from '@angular/core';
+import { AfterViewInit, Component, ElementRef, Input, OnInit, Renderer2, ViewChild } from '@angular/core';
+import { FormBuilder, FormControl, FormGroup } from '@angular/forms';
 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 { UserService } from 'src/app/services/user.service';
-import { Comment } from 'src/models/comment';
-import { User } from 'src/models/identity/user';
+import { Comment } from 'src/models/comment.model';
+import { User } from 'src/models/identity/user.model';
 
 @Component({
   selector: 'app-comment',
   templateUrl: './comment.component.html',
   styleUrls: ['./comment.component.css']
 })
-export class CommentComponent implements OnInit {
+export class CommentComponent implements OnInit, AfterViewInit {
   public loaded = false;
+  public loggedInAuthor = false;
+  public editingComment = false;
   public user: User;
   public comment: Comment;
   public timeCreated: string;
   @Input() paramId: string;
+  public editCommentFormGroup: FormGroup;
+  @ViewChild('share') shareBtn: ElementRef;
+  private _defaultShareBtnInnerHTML: string;
+  private _linkShared = false;
 
-  constructor(private _router: Router, private _commentService: CommentService, private _userService: UserService)
+  constructor(private _router: Router, private _commentService: CommentService, private _userService: UserService, private _tokenService: TokenService, private _fb: FormBuilder, private _elem: ElementRef, private _renderer: Renderer2)
   { }
 
   ngOnInit(): void {
     this.comment = this._commentService.getDefaultComment();
     this.user = this._userService.getDefaultUser();
 
-    this._commentService.getCommentRequest(Guid.parse(this.paramId)).subscribe(
-      (result: object) => {
+    this._commentService.getCommentRequest(Guid.parse(this.paramId)).subscribe({
+      next: (result: object) => {
         Object.assign(this.comment, result);
 
         this.timeCreated = new Date(this.comment.timeCreated).toLocaleString('en-GB');
         this.loadUser();
       }
-    );
+    });
+
+    this.editCommentFormGroup = this._fb.group({
+      newCommentMessage: new FormControl('')
+    });
   }
 
   private loadUser(): void {
-    this._userService.getUserByUsernameRequest(this.comment.issuerUsername).subscribe(
-      (result: object) => {
+    this._userService.getUserByUsernameRequest(this.comment.issuerUsername).subscribe({
+      next: (result: object) => {
         Object.assign(this.user, result);
+
+        if (this._tokenService.getTokenFromSessionStorage() !== '') {
+          this.loggedInAuthor = this._tokenService.getUsernameFromSessionStorageToken() === this.comment.issuerUsername;
+          this.editCommentFormGroup.get('newCommentMessage')?.setValue(this.comment.message);
+        }
+
         this.loaded = true;
       }
-    );
+    });
+  }
+
+  ngAfterViewInit(): void {
+    this._defaultShareBtnInnerHTML = this.shareBtn.nativeElement.innerHTML;
   }
 
   goToAuthorProfile(): void {
     this._router.navigate(['/profile/' + this.comment.issuerUsername]);
   }
 
-  goToCommentPage(): void {
-    this._router.navigate(['/comment/' + this.comment.commentId]);
+  toggleEditing(): void {
+    this.editingComment = !this.editingComment;
+  }
+
+  editComment(): void {
+    if (this._tokenService.getTokenFromSessionStorage() === '') {
+      this._router.navigate(['/login']);
+      return;
+    }
+
+    if (this.editingComment) {
+      const newMessage = this.editCommentFormGroup.get('newCommentMessage')?.value;
+
+      if (newMessage !== '' && newMessage !== this.comment.message) {
+        this._commentService.putCommentWithSessionStorageRequest(Guid.parse(this.paramId), this.comment.postId, newMessage).subscribe({
+          next: () => {
+            this.reloadPage();
+          }
+        });
+      }
+    }
+    this.editingComment = !this.editingComment;
+  }
+
+  deleteComment(): void {
+    this._commentService.deleteCommentWithSessionStorage(Guid.parse(this.paramId)).subscribe({
+      next: () => {
+        this.reloadPage();
+      }
+    });
+  }
+
+  private reloadPage(): void {
+    this._router.routeReuseStrategy.shouldReuseRoute = () => false;
+    this._router.onSameUrlNavigation = 'reload';
+    this._router.navigate([this._router.url]);
+  }
+
+  resetShareBtn(): void {
+    if (this._linkShared) {
+      this._renderer.setProperty(this.shareBtn.nativeElement, 'innerHTML', this._defaultShareBtnInnerHTML);
+      this._linkShared = false;
+    }
+  }
+
+  showCopiedMessage(): void {
+    this._renderer.setProperty(this.shareBtn.nativeElement, 'innerHTML', 'Link copied to clipboard!');
+    this._linkShared = true;
+  }
+
+  getPostLink(): string {
+    return location.origin + '/comment/' + this.paramId;
   }
 }