Long pulling method added

src/app/shared/chat/messages/messages.page.ts

@@ -59,6 +59,7 @@ export class MessagesPage implements OnInit, AfterViewChecked, OnChanges {
       this.load();
     /* }, 9000); */
     console.log(this.roomId);
+    
 
 
   }
@@ -113,14 +114,19 @@ export class MessagesPage implements OnInit, AfterViewChecked, OnChanges {
   }
 
   loadMessages(){
-    this.showLoader = true;
+    //this.showLoader = true;
     this.chatService.getRoomMessages(this.roomId).subscribe(res => {
       /* console.log(res); */
       this.messages = res['messages'].reverse();
       console.log(this.messages);
-      this.showLoader = false;
+      this.serverLongPull(res)
+      /* this.chatService.subscribe(this.roomId).then(res => {
+        console.log("Real fake msg", res)
+      }); */
+      //this.showLoader = false;
     })
   }
+
   getChatMembers(){
     console.log(this.roomId);
 
@@ -282,6 +288,27 @@ export class MessagesPage implements OnInit, AfterViewChecked, OnChanges {
     return await modal.present();
   }
 
+  async serverLongPull(res){
+    if (res == 502) {
+      // Connection timeout
+      // happens when the connection was pending for too long
+      // let's reconnect
+      await this.serverLongPull(res);
+    } else if (res != 200) {
+      // Show Error
+      //showMessage(response.statusText);
+      this.load()
+      // Reconnect in one second
+      await new Promise(resolve => setTimeout(resolve, 1000));
+      await this.serverLongPull(res);
+    } else {
+      // Got message
+      //let message = await response.text();
+      this.load()
+      await this.serverLongPull(res);
+    }
+  }
+
 
 }