SimpleMessagingService

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UserController.cs (2472B)

      1 using Api.Data;
      2 using Api.Models;
      3 using Microsoft.AspNetCore.Mvc;
      4 using Shared;
      5 using Shared.Contracts;
      6 
      7 namespace Api.Controllers;
      8 
      9 [Route(Endpoints.Users)]
     10 [ApiController]
     11 public class UserController : ControllerBase
     12 {
     13     private readonly AppDbContext _context;
     14 
     15     public UserController(AppDbContext context)
     16     {
     17         _context = context;
     18     }
     19 
     20     [HttpGet]
     21     public IActionResult Get()
     22     {
     23         var userDataList = _context.Users
     24             .Select(user => new UserData
     25             {
     26                 Username = user.Name,
     27                 CreatedAt = user.CreatedAt
     28             })
     29             .ToList();
     30 
     31         var userContract = new GetUsersContract { users = userDataList };
     32 
     33         return Ok(userContract);
     34     }
     35 
     36     [HttpGet]
     37     [Route("{id}")]
     38     public IActionResult Get(Guid id)
     39     {
     40         var user = _context.Users.Find(id);
     41         if (user == null)
     42         {
     43             return NotFound($"Could not find user {id}");
     44         }
     45 
     46         return Ok(user);
     47     }
     48 
     49     [HttpPost]
     50     public IActionResult Post([FromBody] UserContract userContract)
     51     {
     52         var baseUsername = userContract.Username;
     53         string preferredName;
     54         var attempts = 0;
     55         Random random = new Random();
     56         HashSet<string> triedUsernames = new HashSet<string>();
     57 
     58         do
     59         {
     60             var randomNumber = random.Next(0, 9999); 
     61             preferredName = $"{baseUsername}#{randomNumber:D4}";
     62 
     63             if (triedUsernames.Contains(preferredName))
     64             {
     65                 continue;
     66             }
     67 
     68             attempts++;
     69             triedUsernames.Add(preferredName);
     70 
     71             if (attempts > 9999)
     72             {
     73                 return BadRequest("Username already taken");
     74             }
     75 
     76         } while (_context.Users.Any(user => user.Name == preferredName));
     77 
     78         var user = new User { Name = preferredName };
     79 
     80         _context.Users.Add(user);
     81         _context.SaveChanges();
     82 
     83         NewUserContract newUserContract = new NewUserContract
     84         {
     85             Name = user.Name,
     86             Key = user.Key,
     87             CreatedAt = user.CreatedAt
     88         };
     89 
     90         return Ok(newUserContract);
     91     }
     92 
     93     [HttpDelete("{id}")]
     94     public IActionResult Delete(Guid id)
     95     {
     96         var user = _context.Users.Find(id);
     97         if (user == null)
     98         {
     99             return NotFound($"Could not find user {id}");
    100         }
    101 
    102         _context.Users.Remove(user);
    103         return Ok($"Removed user {id}");
    104     }
    105 }