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78 lines
2.9 KiB
Dart
78 lines
2.9 KiB
Dart
import 'dart:developer';
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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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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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log("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) => log(message),
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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) => onUpdateAvailable(message));
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await connection!.start();
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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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log("connectionState: ${connection!.state}");
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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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return false;
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}
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closeConnection() 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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