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

Models/User.cs

@@ -2,6 +2,7 @@ using System;
 
 using MongoDB.Bson;
 using MongoDB.Bson.Serialization.Attributes;
+using MongoDB.Bson.Serialization.Conventions;
 using MongoDB.Driver;
 
 namespace TextSender_API.Models;
@@ -9,8 +10,9 @@ namespace TextSender_API.Models;
 public class User
 {
 #region Properties
-    // [BsonElement("_id")]
-    public ObjectId Id { get; set; }
+    [BsonId]
+    [BsonRepresentation(BsonType.ObjectId)]
+    public string? Id { get; set; }
     [BsonElement("firstname")]
     public string? Firstname { get; set; }
     [BsonElement("lastname")]

Program.cs

@@ -1,8 +1,12 @@
+using Newtonsoft.Json;
+
 var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
 
 builder.Services.AddControllers();
+builder.Services.AddControllers().AddNewtonsoftJson();
+
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();
@@ -16,6 +20,7 @@ if (app.Environment.IsDevelopment())
     app.UseSwaggerUI();
 }
 
+
 app.UseHttpsRedirection();
 
 app.UseAuthorization();

Repositories/UserRepository.cs

@@ -14,6 +14,7 @@ public class UserRepository
     private string _connectionString;
     private string _databaseName;
     private string _tableName;
+    private readonly IMongoCollection<User> _bookCollection;
     #endregion
 
 
@@ -23,17 +24,35 @@ public class UserRepository
         this._connectionString = connectionString;
         this._databaseName = "TextSender";
         this._tableName = "Users";
+        var client = this.InitializeClient();
+        this._bookCollection = client.GetDatabase(this._databaseName).GetCollection<User>(this._tableName);
     }
     #endregion
 
     #region Metods
     public void CreateUser(User user)
     {
-        var client = this.InitializeClient();
-
-        var coll = client.GetDatabase(this._databaseName).GetCollection<User>(this._tableName);
-        coll.InsertOne(user);
+        this._bookCollection.InsertOne(user);
+        var i = 0;
     }
+
+    public List<User> RetrieveAllUsers()
+    {
+        return this._bookCollection.Find(_ => true).ToList();
+    }
+
+    public void Update(User user)
+    {
+        var filter = Builders<User>.Filter.Eq(u => u.Id, user.Id);
+        this._bookCollection.ReplaceOne(filter, user);
+    }
+
+    public void Delete(User user)
+    {
+        var filter = Builders<User>.Filter.Eq(u => u.Id, user.Id);
+        this._bookCollection.DeleteOne(filter);
+    }
+
     private MongoClient InitializeClient()
     {
         return new MongoClient(this._connectionString);

TextSender-API.csproj

@@ -8,6 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="7.0.11" />
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="7.0.11" />
     <PackageReference Include="MongoDB.Driver" Version="2.21.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />