add google api

src/Infrastructure/BotSharp.Abstraction/Google/Models/GoogleAddressResult.cs

@@ -0,0 +1,14 @@
+namespace BotSharp.Abstraction.Google.Models;
+
+public class GoogleAddressResult
+{
+    public IList<GoogleAddress> Results { get; set; } = new List<GoogleAddress>();
+    public string Status { get; set; }
+}
+
+
+public class GoogleAddress
+{
+    [JsonPropertyName("formatted_address")]
+    public string FormatedAddress { get; set; }
+}

src/Infrastructure/BotSharp.Abstraction/Google/Settings/GoogleApiSettings.cs

@@ -0,0 +1,9 @@
+namespace BotSharp.Abstraction.Google.Settings;
+
+public class GoogleApiSettings
+{
+    public string ApiKey { get; set; }
+    public string Endpoint { get; set; }
+    public string Language { get; set; }
+    public string Components { get; set; }
+}

src/Infrastructure/BotSharp.Core/BotSharpCoreExtensions.cs

@@ -4,9 +4,6 @@
 using BotSharp.Core.Plugins;
 using BotSharp.Abstraction.Settings;
 using BotSharp.Abstraction.Options;
-using BotSharp.Abstraction.Messaging;
-using System.Text.Json.Serialization;
-using Microsoft.Extensions.Options;
 using BotSharp.Abstraction.Messaging.JsonConverters;
 
 namespace BotSharp.Core;

src/Infrastructure/BotSharp.OpenAPI/BotSharpOpenApiExtensions.cs

@@ -11,6 +11,8 @@
 using Microsoft.OpenApi.Models;
 using Microsoft.IdentityModel.JsonWebTokens;
 using BotSharp.OpenAPI.BackgroundServices;
+using BotSharp.Abstraction.Settings;
+using BotSharp.Abstraction.Google.Settings;
 
 namespace BotSharp.OpenAPI;
 
@@ -32,6 +34,12 @@ public static IServiceCollection AddBotSharpOpenAPI(this IServiceCollection serv
         services.AddScoped<IUserIdentity, UserIdentity>();
         services.AddHostedService<ConversationTimeoutService>();
 
+        services.AddScoped(provider =>
+        {
+            var settingService = provider.GetRequiredService<ISettingService>();
+            return settingService.Bind<GoogleApiSettings>("GoogleApi");
+        });
+
         // Add bearer authentication
         var schema = "MIXED_SCHEME";
         var builder = services.AddAuthentication(options =>

src/Infrastructure/BotSharp.OpenAPI/Controllers/AddressController.cs

@@ -0,0 +1,50 @@
+using BotSharp.Abstraction.Google.Models;
+using BotSharp.Abstraction.Google.Settings;
+using BotSharp.Abstraction.Options;
+
+namespace BotSharp.OpenAPI.Controllers;
+
+[Authorize]
+[ApiController]
+public class AddressController : ControllerBase
+{
+    private readonly IServiceProvider _services;
+    private readonly BotSharpOptions _options;
+    private readonly IHttpClientFactory _httpClientFactory;
+    private readonly ILogger _logger;
+
+    public AddressController(IServiceProvider services,
+        IHttpClientFactory httpClientFactory,
+        BotSharpOptions options)
+    {
+        _services = services;
+        _options = options;
+        _httpClientFactory = httpClientFactory;
+    }
+
+    [HttpGet("/address/options")]
+    public async Task<GoogleAddressResult> GetAddressOptions([FromQuery] string address)
+    {
+        var result = new GoogleAddressResult();
+
+        try
+        {
+            var settings = _services.GetRequiredService<GoogleApiSettings>();
+            using var client = _httpClientFactory.CreateClient();
+            var url = $"{settings.Endpoint}?key={settings.ApiKey}&" +
+                $"components={settings.Components}&" +
+                $"language={settings.Language}&" +
+                $"address={address}";
+
+            var response = await client.GetAsync(url);
+            var responseStr = await response.Content.ReadAsStringAsync();
+            result = JsonSerializer.Deserialize<GoogleAddressResult>(responseStr, _options.JsonSerializerOptions);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError($"Error when calling google geocoding api... ${ex.Message}");
+        }
+
+        return result;
+    }
+}

src/WebStarter/appsettings.json

@@ -215,6 +215,13 @@
     "ModelVersion": "V3_5"
   },
 
+  "GoogleApi": {
+    "Endpoint": "https://maps.googleapis.com/maps/api/geocode/json",
+    "ApiKey": "",
+    "Components": "country=US|country=CA",
+    "Language": "en"
+  },
+
   "PluginLoader": {
     "Assemblies": [
       "BotSharp.Core",