#102: Moving Models and constants to their own library (#104)

* #102: Moving Models and constants to their own library

* #102: Updated sln file

* #102: Updated README to include step install migration tool

Icarus/Controllers/v1/LoginController.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Linq;
+
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+
+using Icarus.Controllers.Managers;
+using Icarus.Controllers.Utilities;
+using Icarus.Models;
+using Icarus.Database.Contexts;
+
+namespace Icarus.Controllers.V1;
+
+[Route("api/v1/login")]
+[ApiController]
+public class LoginController : ControllerBase
+{
+    #region Fields
+    private string? _connectionString;
+    private IConfiguration? _config;
+    private ILogger<LoginController> _logger;
+    #endregion
+
+
+    #region Properties
+    #endregion
+
+
+    #region Contructors
+    public LoginController(IConfiguration config, ILogger<LoginController> logger)
+    {
+        _logger = logger;
+        _config = config;
+        _connectionString = _config.GetConnectionString("DefaultConnection");
+    }
+    #endregion
+
+
+    #region HTTP endpoints
+    [HttpPost]
+    public IActionResult Login([FromBody] User user)
+    {
+        var context = new UserContext(_connectionString!);
+
+        _logger.LogInformation("Starting process of validating credentials");
+        
+        var message = "Invalid credentials";
+        var password = user.Password;
+
+        var loginRes = new LoginResult
+        {
+            Username = user.Username
+        };
+
+        try
+        {
+            if (context.Users.FirstOrDefault(usr => usr.Username!.Equals(user.Username)) != null)
+            {
+                user = context.Users.FirstOrDefault(usr => usr.Username!.Equals(user.Username))!;
+
+                var validatePass = new PasswordEncryption();
+                var validated = validatePass.VerifyPassword(user!, password!);
+                if (!validated)
+                {
+                    loginRes.Message = message;
+                    _logger.LogInformation(message);
+
+                    return Ok(loginRes);
+                }
+
+                _logger.LogInformation("Successfully validated user credentials");
+
+                TokenManager tk = new TokenManager(_config!);
+
+                loginRes = tk.LoginSymmetric(user!);
+
+                return Ok(loginRes);
+            }
+            else
+            {
+                loginRes.Message = message;
+
+                return NotFound(loginRes);
+            }
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError("An error occurred: {0}", ex.Message);
+            _logger.LogError("Inner Exception: {0}", ex.InnerException!.Message);
+        }
+
+        return NotFound(loginRes);
+    }
+    #endregion
+}