From 08b12621b40558117aa83b00ac658ee4931535c2 Mon Sep 17 00:00:00 2001
From: Tudor Stanciu <tudor.stanciu94@gmail.com>
Date: Mon, 28 Oct 2019 23:53:39 +0200
Subject: [PATCH] get public ip

---
 NDB.Infrastructure.PublicIP/Class1.cs         |  8 ----
 .../DependencyInjectionExtensions.cs          | 13 ++++++
 .../Entities/IPInfo.cs                        |  7 +++
 .../NDB.Infrastructure.PublicIP.csproj        |  6 +++
 .../Services/IPublicIPService.cs              | 10 +++++
 .../Services/PublicIPService.cs               | 44 +++++++++++++++++++
 6 files changed, 80 insertions(+), 8 deletions(-)
 delete mode 100644 NDB.Infrastructure.PublicIP/Class1.cs
 create mode 100644 NDB.Infrastructure.PublicIP/DependencyInjectionExtensions.cs
 create mode 100644 NDB.Infrastructure.PublicIP/Entities/IPInfo.cs
 create mode 100644 NDB.Infrastructure.PublicIP/Services/IPublicIPService.cs
 create mode 100644 NDB.Infrastructure.PublicIP/Services/PublicIPService.cs

diff --git a/NDB.Infrastructure.PublicIP/Class1.cs b/NDB.Infrastructure.PublicIP/Class1.cs
deleted file mode 100644
index ce2e6df..0000000
--- a/NDB.Infrastructure.PublicIP/Class1.cs
+++ /dev/null
@@ -1,8 +0,0 @@
-using System;
-
-namespace NDB.Infrastructure.PublicIP
-{
-    public class Class1
-    {
-    }
-}
diff --git a/NDB.Infrastructure.PublicIP/DependencyInjectionExtensions.cs b/NDB.Infrastructure.PublicIP/DependencyInjectionExtensions.cs
new file mode 100644
index 0000000..33c9d17
--- /dev/null
+++ b/NDB.Infrastructure.PublicIP/DependencyInjectionExtensions.cs
@@ -0,0 +1,13 @@
+using Microsoft.Extensions.DependencyInjection;
+using NDB.Infrastructure.PublicIP.Services;
+
+namespace NDB.Infrastructure.PublicIP
+{
+    public static class DependencyInjectionExtensions
+    {
+        public static void AddPublicIPService(this IServiceCollection services)
+        {
+            services.AddHttpClient<IPublicIPService, PublicIPService>();
+        }
+    }
+}
diff --git a/NDB.Infrastructure.PublicIP/Entities/IPInfo.cs b/NDB.Infrastructure.PublicIP/Entities/IPInfo.cs
new file mode 100644
index 0000000..b0eadd3
--- /dev/null
+++ b/NDB.Infrastructure.PublicIP/Entities/IPInfo.cs
@@ -0,0 +1,7 @@
+namespace NDB.Infrastructure.PublicIP.Entities
+{
+    public class IPInfo
+    {
+        public string ip { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/NDB.Infrastructure.PublicIP/NDB.Infrastructure.PublicIP.csproj b/NDB.Infrastructure.PublicIP/NDB.Infrastructure.PublicIP.csproj
index 9f5c4f4..a7ae801 100644
--- a/NDB.Infrastructure.PublicIP/NDB.Infrastructure.PublicIP.csproj
+++ b/NDB.Infrastructure.PublicIP/NDB.Infrastructure.PublicIP.csproj
@@ -4,4 +4,10 @@
     <TargetFramework>netstandard2.0</TargetFramework>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="3.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Http" Version="3.0.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+  </ItemGroup>
+
 </Project>
diff --git a/NDB.Infrastructure.PublicIP/Services/IPublicIPService.cs b/NDB.Infrastructure.PublicIP/Services/IPublicIPService.cs
new file mode 100644
index 0000000..0e58c14
--- /dev/null
+++ b/NDB.Infrastructure.PublicIP/Services/IPublicIPService.cs
@@ -0,0 +1,10 @@
+using NDB.Infrastructure.PublicIP.Entities;
+using System.Threading.Tasks;
+
+namespace NDB.Infrastructure.PublicIP.Services
+{
+    public interface IPublicIPService
+    {
+        Task<IPInfo> GetPublicIP();
+    }
+}
\ No newline at end of file
diff --git a/NDB.Infrastructure.PublicIP/Services/PublicIPService.cs b/NDB.Infrastructure.PublicIP/Services/PublicIPService.cs
new file mode 100644
index 0000000..7f467f5
--- /dev/null
+++ b/NDB.Infrastructure.PublicIP/Services/PublicIPService.cs
@@ -0,0 +1,44 @@
+using NDB.Infrastructure.PublicIP.Entities;
+using Newtonsoft.Json;
+using System.Net.Http;
+using System.Threading.Tasks;
+
+namespace NDB.Infrastructure.PublicIP.Services
+{
+    public class PublicIPService : IPublicIPService
+    {
+        private const string _url1 = "https://api.ipify.org/?format=json";
+        private const string _url2 = "https://ip.seeip.org/json";
+
+        private readonly HttpClient _httpClient;
+
+        public PublicIPService(HttpClient httpClient)
+        {
+            _httpClient = httpClient;
+        }
+
+        public async Task<IPInfo> GetPublicIP()
+        {
+            IPInfo result = null;
+
+            using (var response = await _httpClient.GetAsync(_url1))
+            {
+                if (response.IsSuccessStatusCode)
+                    result = await GetResult(response);
+            }
+
+            if (result != null)
+                return result;
+
+            using (var response = await _httpClient.GetAsync(_url2))
+            {
+                if (response.IsSuccessStatusCode)
+                    result = await GetResult(response);
+            }
+
+            return result;
+        }
+
+        private async Task<IPInfo> GetResult(HttpResponseMessage response) => JsonConvert.DeserializeObject<IPInfo>(await response.Content.ReadAsStringAsync());
+    }
+}