Add locationService class

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Models/Location/LocationRequest.cs

@@ -0,0 +1,8 @@
+namespace eShopOnContainers.Core.Models.Location
+{
+    public class LocationRequest
+    {
+        public double Longitude { get; set; }
+        public double Latitude { get; set; }
+    }
+}

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Services/Location/ILocationService.cs

@@ -0,0 +1,10 @@
+namespace eShopOnContainers.Core.Services.Location
+{
+    using System.Threading.Tasks;
+    using eShopOnContainers.Core.Models.Location;
+    
+    public interface ILocationService
+    {
+        Task UpdateUserLocation(LocationRequest newLocReq);
+    }
+}

src/Mobile/eShopOnContainers/eShopOnContainers.Core/Services/Location/LocationService.cs

@@ -0,0 +1,28 @@
+namespace eShopOnContainers.Core.Services.Location
+{
+    using eShopOnContainers.Core.Models.Location;
+    using eShopOnContainers.Core.Services.RequestProvider;
+    using System;
+    using System.Threading.Tasks;
+
+    public class LocationService : ILocationService
+    {
+        private readonly IRequestProvider _requestProvider;
+
+        public LocationService(IRequestProvider requestProvider)
+        {
+            _requestProvider = requestProvider;
+        }
+
+        public async Task UpdateUserLocation(LocationRequest newLocReq)
+        {
+            UriBuilder builder = new UriBuilder(GlobalSetting.Instance.LocationEndpoint);
+
+            builder.Path = "api/v1/locations";
+
+            string uri = builder.ToString();
+
+            var result = await _requestProvider.PostAsync(uri, newLocReq);
+        }
+    }
+}

src/Mobile/eShopOnContainers/eShopOnContainers.Core/eShopOnContainers.Core.csproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
@@ -70,6 +70,7 @@
     <Compile Include="Models\Catalog\CatalogItem.cs" />
     <Compile Include="Models\Catalog\CatalogRoot.cs" />
     <Compile Include="Models\Catalog\CatalogType.cs" />
+    <Compile Include="Models\Location\LocationRequest.cs" />
     <Compile Include="Models\Navigation\TabParameter.cs" />
     <Compile Include="Models\Orders\CardType.CS" />
     <Compile Include="Models\Orders\Order.cs" />
@@ -91,6 +92,8 @@
     <Compile Include="Services\Dialog\IDialogService.cs" />
     <Compile Include="Services\Identity\IdentityService.cs" />
     <Compile Include="Services\Identity\IIdentityService.cs" />
+    <Compile Include="Services\Location\ILocationService.cs" />
+    <Compile Include="Services\Location\LocationService.cs" />
     <Compile Include="Services\Navigation\INavigationService.cs" />
     <Compile Include="Services\Navigation\NavigationService.cs" />
     <Compile Include="Services\OpenUrl\IOpenUrlService.cs" />