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using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using System;
using System.Threading.Tasks;
using Timeline.Authenticate;
using Timeline.Models;
using Timeline.Models.Http;
using Timeline.Services;
using static Timeline.Helpers.MyLogHelper;
namespace Timeline.Controllers
{
[ApiController]
public class UserController : Controller
{
private static class ErrorCodes
{
public const int Get_NotExists = -1001;
public const int Put_NoPassword = -2001;
public const int Patch_NotExists = -3001;
public const int ChangePassword_BadOldPassword = -4001;
}
private readonly ILogger<UserController> _logger;
private readonly IUserService _userService;
public UserController(ILogger<UserController> logger, IUserService userService)
{
_logger = logger;
_userService = userService;
}
[HttpGet("users"), AdminAuthorize]
public async Task<ActionResult<UserInfo[]>> List()
{
return Ok(await _userService.ListUsers());
}
[HttpGet("user/{username}"), AdminAuthorize]
public async Task<IActionResult> Get([FromRoute] string username)
{
var user = await _userService.GetUser(username);
if (user == null)
{
_logger.LogInformation(FormatLogMessage("Attempt to get a non-existent user.", Pair("Username", username)));
return NotFound(new CommonResponse(ErrorCodes.Get_NotExists, "The user does not exist."));
}
return Ok(user);
}
[HttpPut("user/{username}"), AdminAuthorize]
public async Task<IActionResult> Put([FromBody] UserPutRequest request, [FromRoute] string username)
{
if (request.Password == null) // This place will be refactored.
{
_logger.LogInformation("Attempt to put a user without a password. Username: {} .", username);
return BadRequest();
}
var result = await _userService.PutUser(username, request.Password, request.Administrator);
switch (result)
{
case PutResult.Created:
_logger.LogInformation(FormatLogMessage("A user is created.", Pair("Username", username)));
return CreatedAtAction("Get", new { username }, CommonPutResponse.Created);
case PutResult.Modified:
_logger.LogInformation(FormatLogMessage("A user is modified.", Pair("Username", username)));
return Ok(CommonPutResponse.Modified);
default:
throw new Exception("Unreachable code.");
}
}
[HttpPatch("user/{username}"), AdminAuthorize]
public async Task<IActionResult> Patch([FromBody] UserPatchRequest request, [FromRoute] string username)
{
try
{
await _userService.PatchUser(username, request.Password, request.Administrator);
return Ok();
}
catch (UserNotExistException e)
{
_logger.LogInformation(e, FormatLogMessage("Attempt to patch a non-existent user.", Pair("Username", username)));
return BadRequest(new CommonResponse(ErrorCodes.Patch_NotExists, "The user does not exist."));
}
}
[HttpDelete("user/{username}"), AdminAuthorize]
public async Task<IActionResult> Delete([FromRoute] string username)
{
try
{
await _userService.DeleteUser(username);
_logger.LogInformation(FormatLogMessage("A user is deleted.", Pair("Username", username)));
return Ok(CommonDeleteResponse.Deleted);
}
catch (UserNotExistException e)
{
_logger.LogInformation(e, FormatLogMessage("Attempt to delete a non-existent user.", Pair("Username", username)));
return Ok(CommonDeleteResponse.NotExists);
}
}
[HttpPost("userop/changepassword"), Authorize]
public async Task<IActionResult> ChangePassword([FromBody] ChangePasswordRequest request)
{
try
{
await _userService.ChangePassword(User.Identity.Name, request.OldPassword, request.NewPassword);
_logger.LogInformation(FormatLogMessage("A user changed password.", Pair("Username", User.Identity.Name)));
return Ok();
}
catch (BadPasswordException e)
{
_logger.LogInformation(e, FormatLogMessage("A user attempt to change password but old password is wrong.",
Pair("Username", User.Identity.Name), Pair("Old Password", request.OldPassword)));
return BadRequest(new CommonResponse(ErrorCodes.ChangePassword_BadOldPassword, "Old password is wrong."));
}
// User can't be non-existent or the token is bad.
}
}
}
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