feat: add login endpoint for generating jwt token

Author: osm-Jatin

OsmoDoc.API/Controllers/LoginController.cs

@@ -0,0 +1,43 @@
+using Microsoft.AspNetCore.Mvc;
+using OsmoDoc.API.Models;
+using OsmoDoc.API.Helpers;
+using Microsoft.AspNetCore.Authorization;
+
+namespace OsmoDoc.API.Controllers;
+
+[Route("api")]
+[ApiController]
+public class LoginController : ControllerBase
+{
+    private readonly ILogger<LoginController> _logger;
+
+    public LoginController(ILogger<LoginController> logger)
+    {
+        this._logger = logger;
+    }
+
+    [HttpPost]
+    [Route("login")]
+    [AllowAnonymous]
+    public ActionResult<BaseResponse> Login([FromBody] LoginRequestDTO loginRequest)
+    {
+        BaseResponse response = new BaseResponse(ResponseStatus.Fail);
+        try
+        {
+            string token = AuthenticationHelper.JwtTokenGenerator(loginRequest.Email);
+
+            response.Status = ResponseStatus.Success;
+            response.AuthToken = token;
+            response.Message = "Token generated successfully";
+            return this.Ok(response);
+        }
+        catch (Exception ex)
+        {
+            response.Status = ResponseStatus.Error;
+            response.Message = ex.Message;
+            this._logger.LogError(ex.Message);
+            this._logger.LogError(ex.StackTrace);
+            return this.StatusCode(StatusCodes.Status500InternalServerError, response);
+        }
+    }
+}

OsmoDoc.API/Models/LoginRequestDTO.cs

@@ -0,0 +1,10 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace OsmoDoc.API.Models;
+
+public class LoginRequestDTO
+{
+    [Required(ErrorMessage = "Email is required")]
+    [EmailAddress(ErrorMessage = "Invalid email format")]
+    public string Email { get; set; } = string.Empty;
+}