Web Development

1. Choose the correct forum for your message. Posting a VB.NET question in the C++ forum will end in tears.
   
   
2. Be specific! Don't ask "can someone send me the code to create an application that does 'X'. Pinpoint exactly what it is you need help with.
   
   
3. Keep the subject line brief, but descriptive. eg "File Serialization problem"
   
   
4. Keep the question as brief as possible. If you have to include code, include the smallest snippet of code you can.
   
   
5. Be careful when including code that you haven't made a typo. Typing mistakes can become the focal point instead of the actual question you asked.
   
   
6. Do not remove or empty a message if others have replied. Keep the thread intact and available for others to search and read. If your problem was answered then edit your message and add "[Solved]" to the subject line of the original post, and cast an approval vote to the one or several answers that really helped you.
   
   
7. If you are posting source code with your question, place it inside <pre></pre> tags. We advise you also check the "Encode "<" (and other HTML) characters when pasting" checkbox before pasting anything inside the PRE block, and make sure "Use HTML in this post" check box is checked.
   
   
8. Be courteous and DON'T SHOUT. Everyone here helps because they enjoy helping others, not because it's their job.
   
   
9. Please do not post links to your question into an unrelated forum such as the lounge. It will be deleted. Likewise, do not post the same question in more than one forum.
   
   
10. Do not be abusive, offensive, inappropriate or harass anyone on the boards. Doing so will get you kicked off and banned. Play nice.
    
    
11. If you have a school or university assignment, assume that your teacher or lecturer is also reading these forums.
    
    
12. No advertising or soliciting.
    
    
13. We reserve the right to move your posts to a more appropriate forum or to delete anything deemed inappropriate or illegal.

1. Read the question carefully
   
2. Understand that English isn't everyone's first language so be lenient of bad spelling and grammar
   
3. If a question is poorly phrased then either ask for clarification, ignore it, or mark it down. Insults are not welcome
   
4. If the question is inappropriate then click the 'vote to remove message' button
   

Quote:

Cannot add duplicate collection entry of type 'add' with combined key attributes 'users, roles, verbs' respectively set to ', Administrators, '

namespace ApiDemo.Controllers
{
    [Route("api/[controller]/[action]")]
    [ApiController]
    public class UsersController : ControllerBase
    {
        [HttpGet("{id}/{name}/{birthDate}/{isAlive}/{presNo}")]
        public IActionResult Get(int id, string name, DateTime birthDate, bool isAlive, int presNo)
        {
            return StatusCode(200);
        }
    }
}

https:// localhost:7062/api/Users/Get/12345/Rutherford%20Birchard%20Hayes%20/1822-10-04%205%3A13%3A22/false/19

[Route("api/user")]
[ApiController]
public class UserController : _ControllerBase
{
    public UserController(IConfiguration configuration) :
        base(configuration)
    {
    }

    [HttpGet("getById/{id}")]
    public IActionResult GetById([FromQuery]int id)
    {
        try
        {
            var repo = new Repository(GetDataContext());

            var owner = repo.GetById(id);

            if (owner is null)
            {
                return NotFound();
            }
            else
            {
                return Ok(owner);
            }
        }
        catch (Exception ex)
        {
            return StatusCode(500, "Internal server error");
        }
    }

    [HttpGet]
    public IActionResult GetAll()
    {
        try
        {
            var repo = new Repository(GetDataContext());

            var owners = repo.GetAll();

            return Ok(owners);
        }
        catch (Exception ex)
        {
            return StatusCode(500, "Internal server error");
        }
    }

    [HttpPost]
    public IActionResult Test([FromBody]TestEntity testEntity)
    {
        return StatusCode(200);
    }
}

https: //localhost:5001/api/User
and
https: //localhost:5001/api/User/GetById/1

[HttpPost]
public IActionResult Test([FromBody]TestEntity testEntity)
{
//...
}

https: //localhost:5001/api/User/test/{"id": 10,"name": Someone Else}

https: //localhost:2001/api/User/GetById?id=123

namespace Falcon.API.Controllers
{
    [Route("api/user")]
    [ApiController]
    public class UserController : _ControllerBase
    {
        public UserController(IConfiguration configuration) :
            base(configuration)
        {
        }

        [HttpGet("getById/{id}")]
        public IActionResult GetById(int id)
        {
            try
            {
                var repo = new Repository(GetDataContext());

                var owner = repo.GetById(id);

                if (owner is null)
                {
                    return NotFound();
                }
                else
                {
                    return Ok(owner);
                }
            }
            catch (Exception ex)
            {
                return StatusCode(500, "Internal server error");
            }
        }

        [HttpGet]
        public IActionResult GetAll()
        {
            try
            {
                var repo = new Repository(GetDataContext());

                var owners = repo.GetAll();

                return Ok(owners);
            }
            catch (Exception ex)
            {
                return StatusCode(500, "Internal server error");
            }
        }

        [HttpGet("login/{username}/{password}")]
        public IActionResult Login(string userName, string password)
        {
            try
            {
                var repo = new UserRepository(GetDataContext());

                var owner = repo.Login(userName, password);

                if (owner is null)
                {
                    return NotFound();
                }
                else
                {
                    return Ok(owner);
                }
            }
            catch (Exception ex)
            {
                return StatusCode(500, "Internal server error");
            }
        }
    }
}

public async Task Login(string userName, string password)
{
    UserEntity results = null;

    var url = $"https:// localhost:5001/api/User/Login/{userName}/{password}";

    using (var httpClient = new HttpClient())
    {
        using (var response = await httpClient.GetAsync(url))
        {
            string apiResponse = await response.Content.ReadAsStringAsync();
            results = JsonConvert.DeserializeObject(apiResponse);
        }
    }

    return results;
}

https: //localhost:5001/api/User

https: //localhost:5001/api/User/GetById/1

https: //localhost:5001/api/User/Login/jsmith/mypass