notificacion desde cita

lib/src/screens/cita.dart

@@ -1,4 +1,5 @@
 import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:firebase_auth/firebase_auth.dart';
 import 'package:firebase_storage/firebase_storage.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
@@ -15,6 +16,9 @@ import 'package:prosappco/src/screens/chat.dart';
 import 'package:prosappco/src/screens/score.dart';
 import 'package:url_launcher/url_launcher.dart';
 import 'package:community_material_icon/community_material_icon.dart';
+import 'package:http/http.dart' as http;
+import 'dart:convert';
+import 'package:flutter/gestures.dart';
 
 class CitaScreen extends StatefulWidget {
   final Event evento;
@@ -29,12 +33,15 @@ class _CitaScreenState extends State<CitaScreen> {
   UserModel? user;
   DateTime today = DateTime.now();
   String nombre = '';
+  String userToken = '';
   String numberPhone = '';
   int tarifa = 0;
   Reference? ref_photo;
   ScoresModel? scoresModel;
   bool? ver = true;
   bool? pro;
+  String proName = '';
+  late final FirebaseAuth _auth;
 
   String formatCurrency(int number) {
     final formatter =
@@ -42,12 +49,46 @@ class _CitaScreenState extends State<CitaScreen> {
     return '\$${formatter.format(number)}';
   }
 
+  Future<void> sendPushNotification(
+      String user, String accion, String proName) async {
+    try {
+      http.Response response = await http.post(
+        Uri.parse('https://fcm.googleapis.com/fcm/send'),
+        headers: <String, String>{
+          'Content-Type': 'application/json; charset=UTF-8',
+          'Authorization':
+              'key=AAAAORdR-xU:APA91bF_wblg86jHAC-uexrXPHavYRlk5wge1Gf46m56V4J2D2L37Cp_hf46JZUzpvsWPSpqc5ewHelKI9LTifUG_s2mciMI6e5VLKo7E1R8btbNo7iaM9do2ctoyHKUm1atlZBdKaN2',
+        },
+        body: jsonEncode(
+          <String, dynamic>{
+            'notification': <String, dynamic>{
+              'body': accion == 'rechazo'
+                  ? '$proName a rechazado tu solicitud de servicio'
+                  : '$proName a aprobado tu solicitud de servicio',
+              'title': '$proName $accion',
+            },
+            'priority': 'high',
+            'data': <String, dynamic>{
+              'click_action': 'FLUTTER_NOTIFICATION_CLICK',
+              'id': '1',
+              'status': 'done'
+            },
+            'to': user
+          },
+        ),
+      );
+
+      response;
+    } catch (e) {
+      print('error al enviar notificacion $e');
+    }
+  }
+
   Future<void> _openMap(double lat, double lng) async {
     final Uri _url =
         Uri.parse('https://www.google.com/maps/search/?api=1&query=$lat,$lng');
 
     if (!await launchUrl(_url)) {
-      print('hola');
       throw Exception('Could not launch $_url');
     }
   }
@@ -65,6 +106,14 @@ class _CitaScreenState extends State<CitaScreen> {
   void initState() {
     super.initState();
 
+    final uid = AuthenticationRepository.instance.getCurrentUserUid();
+    _auth = FirebaseAuth.instance;
+
+    final currentUser = _auth.currentUser;
+    if (currentUser != null && currentUser.displayName != null) {
+      proName = currentUser.displayName!;
+    }
+
     if (settings == null) {
       SettingModel.getSettings().then(
         (SettingModel value) => setState(() {
@@ -104,6 +153,7 @@ class _CitaScreenState extends State<CitaScreen> {
             setState(() {
               nombre = value.name;
               ref_photo = value.photo;
+              userToken = value.token ?? '';
               numberPhone = value.phoneNumber ?? '';
             });
           });
@@ -584,6 +634,10 @@ class _CitaScreenState extends State<CitaScreen> {
                                     .doc('${widget.evento.id}')
                                     .update({"status": "denegado"}).then(
                                         (value) {
+                                  if (userToken != '') {
+                                    sendPushNotification(
+                                        userToken, 'rechazo', proName);
+                                  }
                                   Navigator.pushReplacementNamed(
                                       context, '/solicitud');
                                 });
@@ -625,6 +679,10 @@ class _CitaScreenState extends State<CitaScreen> {
                                       .doc('${widget.evento.id}')
                                       .update({"status": "aprobado"}).then(
                                           (value) {
+                                    if (userToken != '') {
+                                      sendPushNotification(
+                                          userToken, 'acepto', proName);
+                                    }
                                     Navigator.pushReplacementNamed(
                                         context, '/solicitud');
                                   });
@@ -654,6 +712,10 @@ class _CitaScreenState extends State<CitaScreen> {
                               .collection("services")
                               .doc('${widget.evento.id}')
                               .update({"status": "denegado"}).then((value) {
+                            if (userToken != '') {
+                              sendPushNotification(
+                                  userToken, 'rechazo', proName);
+                            }
                             Navigator.pushReplacementNamed(
                                 context, '/solicitud');
                           });