Refactoring and adding new endpoint

Controllers/ContactsController.cs

@@ -0,0 +1,86 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Newtonsoft.Json;
+
+using TextSender_API.Models;
+using TextSender_API.Repositories;
+
+namespace TextSender_API.Controllers;
+
+[Authorize]
+[ApiController]
+[Route("api/v1/contact")]
+public class ContactsController : ControllerBase
+{
+    #region Fields
+    private IConfiguration _config;
+    private readonly ILogger<ContactsController> _logger;
+    #endregion
+
+
+    #region Constructors        
+
+    public ContactsController(ILogger<ContactsController> logger, IConfiguration config)
+    {
+        this._logger = logger;
+        this._config = config;
+    }
+    #endregion
+
+    #region Methods
+    [HttpPost("new"), DisableRequestSizeLimit]
+    public IActionResult CreateContact([FromBody] Contact contact)
+    {
+        var response = new CreateContactResponse();
+        var connString = this._config.GetConnectionString("MongoDBURI");
+        var userRepo = new UsersRepository(connString!);
+        var contactsRepo = new ContactsRepository(connString!);
+
+        try
+        {
+            var contacts = contactsRepo.RetrieveAll();
+
+            if (contacts.Exists(c => c.PhoneNumber!.Equals(contact.PhoneNumber)) ||
+                string.IsNullOrEmpty(contact.UserID))
+            {
+                // The Contact already exists
+                return BadRequest(response);
+            }
+
+            var user = new User { Id = contact.UserID };
+
+            if (!userRepo.Exists(user).Item1)
+            {
+                return BadRequest(response);
+            }
+
+            contactsRepo.Create(contact);
+            response.Data.Add(contact);
+        }
+        catch (Exception ex)
+        {
+            this._logger.LogError($"An error occurred: {ex.Message}");
+        }
+
+        return Ok(response);
+    }
+    #endregion
+
+
+    #region Responses
+    public class CreateContactResponse
+    {
+        #region Properties
+        [JsonProperty("data")]
+        public List<Contact> Data { get; set; }
+        #endregion
+
+        #region Constructors
+        public CreateContactResponse()
+        {
+            this.Data = new List<Contact>();
+        }
+        #endregion
+    }
+    #endregion
+}