added getUsersReactedToAComment implementation

2 files changed, 47 insertions, 3 deletions

diff --git a/src/constants/api.ts b/src/constants/api.ts
index d45616a1..1a31e815 100644
--- a/src/constants/api.ts
+++ b/src/constants/api.ts
@@ -32,6 +32,7 @@ export const MOMENTS_ENDPOINT: string = API_URL + 'moments/';
 export const MOMENT_THUMBNAIL_ENDPOINT: string = API_URL + 'moment-thumbnail/';
 export const VERIFY_INVITATION_CODE_ENDPOUNT: string = API_URL + 'verify-code/';
 export const COMMENTS_ENDPOINT: string = API_URL + 'comments/';
+export const COMMENT_REACTIONS_ENDPOINT: string = API_URL + 'react-comment/';
 export const FRIENDS_ENDPOINT: string = API_URL + 'friends/';
 export const ALL_USERS_ENDPOINT: string = API_URL + 'users/';
 export const REPORT_ISSUE_ENDPOINT: string = API_URL + 'report/';
diff --git a/src/services/CommentService.ts b/src/services/CommentService.ts
index 6f054c72..69c5f3bc 100644
--- a/src/services/CommentService.ts
+++ b/src/services/CommentService.ts
@@ -1,8 +1,17 @@
 import AsyncStorage from '@react-native-community/async-storage';
 import {Alert} from 'react-native';
-import {COMMENTS_ENDPOINT, COMMENT_THREAD_ENDPOINT} from '../constants';
+import {
+  COMMENTS_ENDPOINT,
+  COMMENT_REACTIONS_ENDPOINT,
+  COMMENT_THREAD_ENDPOINT,
+} from '../constants';
 import {ERROR_FAILED_TO_COMMENT} from '../constants/strings';
-import {CommentBaseType, CommentType} from '../types';
+import {
+  CommentBaseType,
+  CommentType,
+  ProfilePreviewType,
+  ReactionOptionsType,
+} from '../types';
 
 export const getComments = async (
   objectId: string,
@@ -121,14 +130,48 @@ export const deleteComment = async (id: string, isThread: boolean) => {
  * If `user_reaction` is undefined, we like the comment, if `user_reaction`
  * is defined, we unlike the comment.
  *
- * @param comment the comment object
+ * @param comment the comment object that contains `user_reaction` (or not)
  * @returns
  */
 export const handleLikeUnlikeComment = async (comment: CommentBaseType) => {
   try {
+    const token = await AsyncStorage.getItem('token');
+    if (comment.user_reaction !== undefined) {
+      // unlike a comment
+    } else {
+      // like a comment
+    }
     return undefined;
   } catch (error) {
     console.log('Unable to like/unlike a comment');
     console.error(error);
   }
 };
+
+export const getUsersReactedToAComment = async (comment: CommentBaseType) => {
+  try {
+    const token = await AsyncStorage.getItem('token');
+    const url =
+      COMMENT_REACTIONS_ENDPOINT + `?comment_id=${comment.comment_id}`;
+    const response = await fetch(url, {
+      method: 'GET',
+      headers: {
+        Authorization: 'Token ' + token,
+      },
+    });
+    const typedResponse: {
+      reaction: ReactionOptionsType;
+      users: ProfilePreviewType[];
+    }[] = await response.json();
+    for (const obj of typedResponse) {
+      if (obj.reaction === ReactionOptionsType.Like) {
+        return obj.users;
+      }
+    }
+    return [];
+  } catch (error) {
+    console.log('Unable to fetch list of users whom reacted to a comment');
+    console.error(error);
+  }
+  return [];
+};