Merge branch 'IT19983202' into 'master'

Added providers

See merge request !10

FrontEnd/lib/providers/crop_provider.dart

+import 'package:flutter/material.dart';
+import 'package:govimithura/models/entity_model.dart';
+import 'package:govimithura/models/error_model.dart';
+import 'package:govimithura/services/crop_service.dart';
+import 'package:govimithura/utils/utils.dart';
+
+class CropProvider extends ChangeNotifier {
+  EntityModel cropEntity = EntityModel();
+  Future<void> getCropByName(BuildContext context) async {
+    return await CropService.getCropByName(cropEntity.description)
+        .then((value) {
+      if (value != null) {
+        cropEntity = EntityModel.fromMap(value.docs.first.data());
+        notifyListeners();
+      } else {
+        Utils.showSnackBar(context, ErrorModel.errorMessage);
+        return null;
+      }
+    });
+  }
+
+  setCrop(String cropName) async {
+    cropEntity.description = cropName;
+    notifyListeners();
+  }
+}

FrontEnd/lib/providers/home_provider.dart

+import 'package:flutter/material.dart';
+
+class HomeProvider extends ChangeNotifier {
+  int selectedScreenIndex = 0;
+
+  onNavigationChange(int index) {
+    selectedScreenIndex = index;
+    notifyListeners();
+  }
+}

FrontEnd/lib/providers/location_provider.dart

+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:flutter/material.dart';
+import 'package:geocoding/geocoding.dart';
+import 'package:geolocator/geolocator.dart';
+import 'package:govimithura/models/error_model.dart';
+import 'package:govimithura/models/location_model.dart';
+import 'package:govimithura/services/location_service.dart';
+import 'package:govimithura/services/weather_service.dart';
+import 'package:govimithura/utils/utils.dart';
+
+class LocationProvider extends ChangeNotifier {
+  Position? currentPosition;
+  double? currentLocationTemp;
+  String? currentAddress;
+  LocationModel locationModel = LocationModel();
+  Future<void> getCurrentPosition(BuildContext context) async {
+    await LocationService.getCurrentPosition().then((Position? position) {
+      if (position == null) {
+        Utils.showSnackBar(context, ErrorModel.errorMessage);
+      } else {
+        currentPosition = position;
+        GeoPoint geoPoint =
+            GeoPoint(currentPosition!.latitude, currentPosition!.longitude);
+        _getAddressFromLatLng(geoPoint, context);
+        notifyListeners();
+      }
+    });
+  }
+
+  Future<void> getCurrentLocationTemp(BuildContext context) async {
+    await getCurrentPosition(context);
+    if (currentPosition != null) {
+      GeoPoint geoPoint =
+          GeoPoint(currentPosition!.latitude, currentPosition!.longitude);
+      return await WeatherService.getCurrentTemprature(geoPoint)
+          .then((currentTemp) {
+        currentLocationTemp = currentTemp;
+        notifyListeners();
+      });
+    }
+  }
+
+  Future<void> _getAddressFromLatLng(
+      GeoPoint geoPoint, BuildContext context) async {
+    await LocationService.getListOfPlaceMarks(geoPoint)
+        .then((List<Placemark>? placemarks) {
+      if (placemarks != null) {
+        if (placemarks.isEmpty) {
+          Utils.showSnackBar(context, "No Location found");
+          return;
+        }
+        Placemark place = placemarks[1];
+        locationModel = LocationModel.fromJson(place.toJson());
+        if (place.street != null && place.street!.isNotEmpty) {
+          currentAddress = place.street;
+        }
+        if (place.subLocality != null && place.subLocality!.isNotEmpty) {
+          currentAddress = '$currentAddress, ${place.subLocality}';
+        }
+        if (place.subAdministrativeArea != null &&
+            place.subAdministrativeArea!.isNotEmpty) {
+          currentAddress = '$currentAddress, ${place.subAdministrativeArea}';
+        }
+        if (place.postalCode != null && place.postalCode!.isNotEmpty) {
+          currentAddress = '$currentAddress, ${place.postalCode}';
+        }
+        notifyListeners();
+      } else {
+        Utils.showSnackBar(context, ErrorModel.errorMessage);
+      }
+    });
+  }
+
+  setDistrict(String district) {
+    locationModel.district = district;
+    notifyListeners();
+  }
+}