From c9657dd57d2a57db80d2c8dd71e837cf4a697358 Mon Sep 17 00:00:00 2001
From: Marcio <marcio@zimbres.com>
Date: Wed, 24 Jul 2024 23:15:28 -0300
Subject: [PATCH] Add Health controller

---
 .../ActiveDirectoryToRestApi.csproj           |  2 +-
 .../Controllers/HealthController.cs           | 23 +++++++++++++++++++
 src/ActiveDirectoryToRestApi/Models/Health.cs | 11 +++++++++
 .../Services/LdapService.cs                   | 19 ++++++++++++++-
 4 files changed, 53 insertions(+), 2 deletions(-)
 create mode 100644 src/ActiveDirectoryToRestApi/Controllers/HealthController.cs
 create mode 100644 src/ActiveDirectoryToRestApi/Models/Health.cs

diff --git a/src/ActiveDirectoryToRestApi/ActiveDirectoryToRestApi.csproj b/src/ActiveDirectoryToRestApi/ActiveDirectoryToRestApi.csproj
index 7541e7b..e17b833 100644
--- a/src/ActiveDirectoryToRestApi/ActiveDirectoryToRestApi.csproj
+++ b/src/ActiveDirectoryToRestApi/ActiveDirectoryToRestApi.csproj
@@ -9,7 +9,7 @@
     <UserSecretsId>d52504e9-ea6e-4152-a52e-467ca002e47c</UserSecretsId>
     <AssemblyVersion>$(PackageVersion)</AssemblyVersion>
     <FileVersion>$(PackageVersion)</FileVersion>
-    <Version>1.0.0.1</Version>
+    <Version>1.0.0.2</Version>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/ActiveDirectoryToRestApi/Controllers/HealthController.cs b/src/ActiveDirectoryToRestApi/Controllers/HealthController.cs
new file mode 100644
index 0000000..8fe0305
--- /dev/null
+++ b/src/ActiveDirectoryToRestApi/Controllers/HealthController.cs
@@ -0,0 +1,23 @@
+namespace ActiveDirectoryToRestApi.Controllers;
+
+[ApiController]
+[Route("/")]
+public class HealthController : ControllerBase
+{
+    private readonly ILogger<HealthController> _logger;
+    private readonly LdapService _ldapService;
+
+    public HealthController(ILogger<HealthController> logger, LdapService ldapService)
+    {
+        _logger = logger;
+        _ldapService = ldapService;
+    }
+
+    [HttpGet]
+    public ActionResult<Health> Get()
+    {
+        var connection = _ldapService.CheckLdapConnection();
+        if (connection) return Ok(new Health());
+        return StatusCode(500, new Health { Data = new HealthData { Health = false } });
+    }
+}
diff --git a/src/ActiveDirectoryToRestApi/Models/Health.cs b/src/ActiveDirectoryToRestApi/Models/Health.cs
new file mode 100644
index 0000000..9b46613
--- /dev/null
+++ b/src/ActiveDirectoryToRestApi/Models/Health.cs
@@ -0,0 +1,11 @@
+namespace ActiveDirectoryToRestApi.Models;
+
+public class Health
+{
+    public HealthData Data { get; set; } = new();
+}
+
+public class HealthData
+{
+    public bool Health { get; set; } = true;
+}
\ No newline at end of file
diff --git a/src/ActiveDirectoryToRestApi/Services/LdapService.cs b/src/ActiveDirectoryToRestApi/Services/LdapService.cs
index beec255..71398ca 100644
--- a/src/ActiveDirectoryToRestApi/Services/LdapService.cs
+++ b/src/ActiveDirectoryToRestApi/Services/LdapService.cs
@@ -2,15 +2,18 @@
 
 public class LdapService
 {
+    private readonly ILogger<LdapService> _logger;
     private readonly LdapConfigs _ldapConfigs;
     private readonly LdapConnection _connection;
     private readonly IConfiguration _configuration;
 
-    public LdapService(LdapConnection connection, IConfiguration configuration)
+    public LdapService(ILogger<LdapService> logger, LdapConnection connection, IConfiguration configuration)
     {
+        _logger = logger;
         _connection = connection;
         _configuration = configuration;
         _ldapConfigs = _configuration.GetSection(nameof(LdapConfigs)).Get<LdapConfigs>();
+        _logger = logger;
     }
     public User GetUserByUserName(string username)
     {
@@ -174,4 +177,18 @@ public class LdapService
             return 42;
         }
     }
+
+    public bool CheckLdapConnection()
+    {
+        try
+        {
+            _connection.Bind();
+            return true;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError("LDAP connection failed: {ex.StackTrace}", ex.StackTrace);
+            return false;
+        }
+    }
 }