Able to create and read data from the DB

Controllers/RegisterController.cs

@@ -1,6 +1,9 @@
+using System.Linq;
+
 using Microsoft.AspNetCore.Mvc;
 
 using TextSender_API.Models;
+using TextSender_API.Repositories;
 
 namespace TextSender_API.Controllers;
 
@@ -10,22 +13,46 @@ public class RegisterController : ControllerBase
 {
     #region Fields
     private readonly ILogger<RegisterController> _logger;
+    private IConfiguration _config;
     #endregion
 
 
     #region Constructors        
 
-    public RegisterController(ILogger<RegisterController> logger)
+    public RegisterController(ILogger<RegisterController> logger, IConfiguration config)
     {
         this._logger = logger;
+        this._config = config;
     }
     #endregion
 
     #region Methods
     [HttpPost("register"), DisableRequestSizeLimit]
-    public IActionResult Upload([FromForm(Name = "file")] List<IFormFile> contactFile,
-        [FromForm(Name = "user_id")] string userID)
+    public IActionResult Upload([FromBody] User userRequest)
     {
+        try
+        {
+            var connString = this._config.GetConnectionString("MongoDBURI");
+            var userRepo = new UserRepository(connString);
+            var allUsers = userRepo.RetrieveAllUsers();
+            var result = allUsers.Exists(ea => ea.Username.Equals(userRequest.Username));
+
+            if (!result)
+            {
+                this._logger.LogInformation("Creating user");
+                userRequest.DateCreated = DateTime.Now;
+                userRepo.CreateUser(userRequest);
+            }
+            else
+            {
+                this._logger.LogInformation("User already exists");
+            }
+        }
+        catch (Exception ex)
+        {
+            this._logger.LogError($"An error occurred: {ex.Message}");
+        }
+
         return Ok();
     }
     #endregion