show already selected members of the group chat

- filter list of available members to group chat

src/app/pages/chat/group-messages/group-contacts/group-contacts.page.ts

@@ -1,6 +1,7 @@
 import { HttpClient, HttpHeaders } from '@angular/common/http';
 import { Component, OnInit } from '@angular/core';
 import { ModalController, NavParams } from '@ionic/angular';
+import * as _ from 'lodash';
 import { AuthService } from 'src/app/services/auth.service';
 import { ChatService } from 'src/app/services/chat.service';
 import { NewGroupPage } from '../../new-group/new-group.page';
@@ -24,6 +25,7 @@ export class GroupContactsPage implements OnInit {
   contacts: any;
   textSearch:string;
   room:any;
+  members:any;
   dm:any;
   isGroupCreated:boolean;
   groupName:string;
@@ -46,6 +48,7 @@ export class GroupContactsPage implements OnInit {
     this.isGroupCreated = this.navParams.get('isCreated');
     this.groupName = this.navParams.get('name');
     this.room = this.navParams.get('room');
+    this.members = this.navParams.get('members');
   }
 
   ngOnInit() {
@@ -59,21 +62,7 @@ export class GroupContactsPage implements OnInit {
       headers: this.headers,
     };
     this.chatService.getAllUsers().subscribe((res:any)=>{
-      console.log(res.users);
-      res.users.forEach(user =>{
-        let usr = {
-          "_id": user._id,
-          "username": user.username,
-          "name":user.name,
-          "isChecked": false,
-        }
-        if(this.listContacts == null){
-          this.listContacts = new Array();
-        }
-        this.listContacts.push(usr);
-      });
-
-      this.contacts = this.listContacts.filter(data => data.username != this.loggedUser.me.username);
+      this.contacts =  res.users.filter(f => !this.members.some(item => item._id === f._id));
       this.users = this.contacts.sort((a,b) => {
         if(a.name < b.name){
           return -1;