implemented

- get groups contacts
-get messages contacts
-order group conversation list to most recent
-send message in group.

src/app/services/chat.service.ts

@@ -56,9 +56,7 @@ export class ChatService {
 
       });
     } */
-    getAllDirectMessages(){
-      return this.http.get(environment.apiChatUrl+'im.list', this.options);
-    }
+    
     getAllChannels(){
       return this.http.get(environment.apiChatUrl+'channels.list', this.options);
     }
@@ -96,7 +94,9 @@ export class ChatService {
     loadJoinedRooms(){
       return this.http.get(environment.apiChatUrl+'im.list', this.options);
     }
-
+    getAllDirectMessages(){
+      return this.http.get(environment.apiChatUrl+'im.list', this.options);
+    }
     //Load messages from roomId
     getRoomMessages(roomId:any){
 
@@ -147,5 +147,52 @@ export class ChatService {
       }
       return this.http.get(environment.apiChatUrl+'im.messages', opts);
     }
+
+    /* GROUPS */
+    getGroupMembers(roomId:string){
+      let params = new HttpParams();
+      let url=environment.apiChatUrl+'groups.members';
+      params = params.set("roomId", roomId);
     
+      let opts = { 
+        headers: this.headers, 
+        params: params 
+      }
+      return this.http.get(url, opts);
+    }
+    getChannelMembers(roomId:string){
+      let params = new HttpParams();
+      let url=environment.apiChatUrl+'channels.members';
+      params = params.set("roomId", roomId);
+    
+      let opts = { 
+        headers: this.headers, 
+        params: params 
+      }
+      return this.http.get(url, opts);
+    }
+    /* MESSAGES */
+    getPrivateGroupMessages(roomId:any){
+
+      let params = new HttpParams();
+      params = params.set("roomId", roomId);
+    
+      let opts = { 
+        headers: this.headers, 
+        params: params 
+      }
+      return this.http.get(environment.apiChatUrl+'groups.history', opts);
+    }
+    getPublicGroupMessages(roomId:any){
+
+      let params = new HttpParams();
+      params = params.set("roomId", roomId);
+    
+      let opts = { 
+        headers: this.headers, 
+        params: params 
+      }
+      return this.http.get(environment.apiChatUrl+'channels.history', opts);
+    }
+
 }