Merge pull request #2 from Team-Kaleidoscope/rating_system

Rating system

2 files changed, 89 insertions, 1 deletions

diff --git a/src/app/services/post.service.ts b/src/app/services/post.service.ts
index eb613a6..c8bd892 100644
--- a/src/app/services/post.service.ts
+++ b/src/app/services/post.service.ts
@@ -15,7 +15,7 @@ export class PostService {
   { }
 
   getDefaultPost(): Post {
-    return new Post(Guid.createEmpty(), 'Gosho', 'Trapov', 'gosho_trapov', 'Your opinion on my idea?', new Date(), [], []);
+    return new Post(Guid.createEmpty(), 'Gosho', 'Trapov', 'gosho_trapov', 'Your opinion on my idea?', new Date(), [], [], 0);
   }
 
   /* Requests from session storage */
diff --git a/src/app/services/rating.service.ts b/src/app/services/rating.service.ts
new file mode 100644
index 0000000..58ff1f4
--- /dev/null
+++ b/src/app/services/rating.service.ts
@@ -0,0 +1,88 @@
+import { HttpClient, HttpHeaders, HttpParams } from '@angular/common/http';
+import { Injectable } from '@angular/core';
+import * as FormData from 'form-data';
+import { Guid } from 'guid-typescript';
+import { Observable } from 'rxjs';
+import { Post } from 'src/models/post';
+import { AppConstants } from '../app-constants.module';
+import { TokenService } from './token.service';
+
+
+@Injectable({
+  providedIn: 'root'
+})
+export class RatingService {
+  constructor(private _http: HttpClient, private _tokenService: TokenService)
+  { }
+
+  createRatingWithSessionStorageRequest(postId: Guid, isLike: boolean): Observable<object> {
+    const userId = this._tokenService.getUserIdFromSessionStorageToken();
+    const token = this._tokenService.getTokenFromSessionStorage();
+
+    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);
+  }
+
+  getRatingByUserAndPostWithSessionStorageRequest(postId: Guid): Observable<object> {
+    const userId = this._tokenService.getUserIdFromSessionStorageToken();
+    const token = this._tokenService.getTokenFromSessionStorage();
+
+    return this.getRatingByUserAndPostRequest(userId, token, postId);
+  }
+
+  deleteRatingFromSessionStorageRequest(ratingId: Guid): Observable<object> {
+    const userId = this._tokenService.getUserIdFromSessionStorageToken();
+    const token = this._tokenService.getTokenFromSessionStorage();
+
+    return this.deleteRatingRequest(userId, token, ratingId);
+  }
+
+  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()).set('PostId', postId.toString()),
+      headers: new HttpHeaders().set('Authorization', 'Bearer ' + authToken)
+    };
+    const body = {     
+      isLike: isLike
+    };
+
+    return this._http.put(AppConstants.API_RATING_URL, body, options);
+  }
+
+  getRatingByUserAndPostRequest(userId: Guid, authToken: string, postId: Guid): Observable<object> {
+    const options = {
+      params: new HttpParams().set('UserId', userId.toString()).set('PostId', postId.toString()),
+      headers: new HttpHeaders().set('Authorization', 'Bearer ' + authToken)
+    };
+
+    return this._http.get(AppConstants.API_RATING_URL + '/GetByUserAndPost', options);
+  }
+
+  deleteRatingRequest(userId: Guid, authToken: string, ratingId: Guid): Observable<object> {
+    const options = {
+      params: new HttpParams().set('UserId', userId.toString()).set('RatingId', ratingId.toString()),
+      headers: new HttpHeaders().set('Authorization', 'Bearer ' + authToken)
+    };
+
+    return this._http.delete(AppConstants.API_RATING_URL, options);
+  }
+}