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86 lines
3.1 KiB
Dart
86 lines
3.1 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:http/io_client.dart';
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import 'package:signalr_core/signalr_core.dart';
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/*
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https://vcallapi.hmg.com/patientcalling.html?IPAddress=10.10.14.20&Clinic=4&Project=15
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---------------------------------------
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IP, Clinic, Project Mapping to SignalR
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---------------------------------------
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(SignalR: 10.10.14.11) <<<< [IP=10.10.14.20 | Clinic=4 | Project=15]
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(SignalR: 10.70.249.21) <<<< [IP=10.10.14.20 | Clinic=3 | Project=16]
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---------------------------------------
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*/
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class SignalRHelper {
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// String hubBaseURL = "https://vcallapi.hmg.com/PatientCallingHub";
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// String hubBaseURL = "https://vcallapi.hmg.com/PatientCallingHub";
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String hubBaseURL = "https://ms.hmg.com/nscapi/PatientCallingHub";
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// String hubBaseURL = "https://vcallapi.hmg.com/PatientCallingHub?IPAddress=10.10.14.20";
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// "https://VCallApi.hmg.com/WebRTCHub?source=mobile&username=2001273";
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String msg = "Awaiting Patients Arrival";
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HubConnection connection;
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startSignalRConnection(String deviceIp,
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{@required Function(dynamic) onUpdateAvailable, @required VoidCallback onConnect, @required Function(dynamic) onDisconnect, @required VoidCallback onConnecting}) async {
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// Hardcoded IP For Testing
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// deviceIp = "10.10.14.11";
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print("Connecting Signal R with: $deviceIp");
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final url = hubBaseURL+"?IPAddress=$deviceIp";
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// final url = hubBaseURL;
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connection = HubConnectionBuilder()
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.withUrl(
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url,
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HttpConnectionOptions(
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client: IOClient(HttpClient()..badCertificateCallback = (x, y, z) => true),
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transport: HttpTransportType.serverSentEvents,
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logging: (level, message) => {
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print(message),
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},
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))
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.build();
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connection.onclose(onDisconnect);
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connection.onreconnecting((exception) => onConnecting());
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connection.onreconnected((connectionId) => onConnect());
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connection.on('addChatMessage', (message) {
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onUpdateAvailable(message);
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});
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// try {
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await connection.start();
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// } catch (e, s) {
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// print("Here the error: ${e.toString()}");
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// }
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}
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void sendMessage(List<dynamic> args) async {
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await connection.invoke('SendMessage', args: args); //['Bob', 'Says hi!']
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}
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bool getConnectionState() {
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if (connection == null) return false;
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if (connection.state == HubConnectionState.connected || connection.state == HubConnectionState.connecting) return true;
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if (connection.state == HubConnectionState.disconnected || connection.state == HubConnectionState.disconnecting) return false;
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}
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closeConnection(BuildContext context) async {
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if (connection.state == HubConnectionState.connected || connection.state == HubConnectionState.connecting) {
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await connection.stop();
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}
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}
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startConnection(BuildContext context) async {
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if (connection.state == HubConnectionState.connected || connection.state == HubConnectionState.connecting) {
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connection.off('addChatMessage');
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await connection.start();
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}
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}
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}
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