From afeba5e832d87bc659d72e7d945a78821bd7e7b8 Mon Sep 17 00:00:00 2001
From: Danail Dimitrov <danaildimitrov321@gmail.com>
Date: Fri, 12 Mar 2021 21:16:34 +0200
Subject: adding downVote functionality

---
 src/app/components/post/post.component.html |  2 +-
 src/app/components/post/post.component.ts   | 35 +++++++++++++++++++++++++++++
 src/app/services/rating.service.ts          | 27 ++++++++++++++++++----
 3 files changed, 59 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/app/components/post/post.component.html b/src/app/components/post/post.component.html
index 4584591..830fa75 100644
--- a/src/app/components/post/post.component.html
+++ b/src/app/components/post/post.component.html
@@ -36,7 +36,7 @@
 		<summary class="score">
 			{{ votesNumber }}
 		</summary>
-		<button class="vote">
+		<button class="vote" (click)="downVotePost()">
 			ᐁ
 		</button>
 	</section>
diff --git a/src/app/components/post/post.component.ts b/src/app/components/post/post.component.ts
index 0f48337..168b6a3 100644
--- a/src/app/components/post/post.component.ts
+++ b/src/app/components/post/post.component.ts
@@ -66,10 +66,45 @@ export class PostComponent implements OnInit {
       return;
     }
 
+    this._ratingServe.putRatingWithSessionStorageRequest(Guid.parse(this.paramId), true).subscribe(
+      () => {
+        this.votesNumber += 2;
+      },
+      () => {
+        this.crateUpVoteRating();
+      }
+    );    
+  }
+
+  crateUpVoteRating(): void {
     this._ratingServe.createRatingWithSessionStorageRequest(Guid.parse(this.paramId), true).subscribe(
       () => {
         this.votesNumber++;
       }
     );
   }
+
+  downVotePost(): void {
+    if (!this.loggedIn) {
+      this._router.navigate(['/login']);
+      return;
+    }
+
+    this._ratingServe.putRatingWithSessionStorageRequest(Guid.parse(this.paramId), false).subscribe(
+      () => {
+        this.votesNumber -= 2;
+      },
+      () => {
+        this.crateDownVoteRating();
+      }
+      );
+  }
+
+  crateDownVoteRating(): void {
+    this._ratingServe.createRatingWithSessionStorageRequest(Guid.parse(this.paramId), false).subscribe(
+      () => {
+        this.votesNumber--;
+      }
+    );
+  }
 }
diff --git a/src/app/services/rating.service.ts b/src/app/services/rating.service.ts
index 5a86b67..9403575 100644
--- a/src/app/services/rating.service.ts
+++ b/src/app/services/rating.service.ts
@@ -22,16 +22,35 @@ export class RatingService {
     return this.createRatingRequest(userId, token, postId, isLike);
   }
 
+  putRatingWithSessionStorageRequest(postId: Guid, isLike: boolean): Observable<object> {
+    const userId = this._tokenService.getUserIdFromSessionStorageToken();
+    const token = this._tokenService.getTokenFromSessionStorage();
+
+    return this.putRatingRequest(userId, token, postId, isLike);
+  }
+
   createRatingRequest(userId: Guid, authToken: string, postId: Guid, isLike: boolean): Observable<object>  {
+    const options = {
+      params: new HttpParams().set('UserId', userId.toString()),
+      headers: new HttpHeaders().set('Authorization', 'Bearer ' + authToken)
+    };
     const body = {
       postId: postId.toString(),
       isLike: isLike
-    };
+    };   
+
+    return this._http.post(AppConstants.API_RATING_URL, body, options);
+  }
+
+  putRatingRequest(userId: Guid, authToken: string, postId: Guid, isLike: boolean): Observable<object> {
     const options = {
-      params: new HttpParams().set('UserId', userId.toString()),
-      headers: new HttpHeaders().set('Authorization', 'Bearer ' + authToken)     
+      params: new HttpParams().set('UserId', userId.toString()).set('PostId', postId.toString()),
+      headers: new HttpHeaders().set('Authorization', 'Bearer ' + authToken)
+    };
+    const body = {     
+      isLike: isLike
     };
 
-    return this._http.post(AppConstants.API_RATING_URL, body, options);
+    return this._http.put(AppConstants.API_RATING_URL, body, options);
   }
 }
-- 
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