Adding authentication and authorization flow

MainProject/Controllers/AuthController.cs

@@ -0,0 +1,62 @@
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using BasicDotnetTemplate.MainProject.Core.Attributes;
+using BasicDotnetTemplate.MainProject.Models.Api.Request.Auth;
+using BasicDotnetTemplate.MainProject.Models.Api.Response;
+using BasicDotnetTemplate.MainProject.Services;
+
+namespace BasicDotnetTemplate.MainProject.Controllers
+{
+    [Route("[controller]")]
+    public class AuthController : BaseController
+    {
+        private IAuthService _authService;
+        public AuthController(
+            IConfiguration configuration,
+            IAuthService authService
+        ) : base(configuration)
+        {
+            this._authService = authService;
+        }
+
+        [HttpPost("authenticate")]
+        [ProducesResponseType<string>(StatusCodes.Status200OK)]
+        [ProducesResponseType<BaseResponse>(StatusCodes.Status404NotFound)]
+        [ProducesResponseType<BaseResponse>(StatusCodes.Status400BadRequest)]
+        [ProducesResponseType<BaseResponse>(StatusCodes.Status500InternalServerError)]
+        public async Task<IActionResult> AuthenticateAsync([FromBody] AuthenticateRequest request)
+        {
+            try
+            {
+                if (
+                    request == null ||
+                    request.Data == null ||
+                    String.IsNullOrEmpty(request.Data.Username) ||
+                    String.IsNullOrEmpty(request.Data.Password)
+                )
+                {
+                    return BadRequest("Request is not well formed");
+                }
+                var data = await this._authService.AuthenticateAsync(request.Data);
+
+                if (data == null)
+                {
+                    return NotFound();
+                }
+
+                return Success(String.Empty, data);
+            }
+            catch (Exception exception)
+            {
+                var message = "Something went wrong";
+                if (!String.IsNullOrEmpty(exception?.Message))
+                {
+                    message += $". {exception?.Message}";
+                }
+                return InternalServerError(message);
+            }
+
+        }
+    }
+}

MainProject/Controllers/BaseController.cs

@@ -37,6 +37,12 @@ namespace BasicDotnetTemplate.MainProject.Controllers
             return StatusCode((int)HttpStatusCode.OK, CreateResponse(HttpStatusCode.OK, message, data));
         }
 
+        protected IActionResult NotModified(string message, object? data = null)
+        {
+            message = String.IsNullOrEmpty(message) ? "Not modified" : message;
+            return StatusCode((int)HttpStatusCode.NotModified, CreateResponse(HttpStatusCode.NotModified, message, data));
+        }
+
         protected IActionResult NotFound(string message, object? data = null)
         {
             message = String.IsNullOrEmpty(message) ? "Not found" : message;