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using SingerAPI_6.Entities;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using MySqlX.XDevAPI;
using System.Collections.Generic;
using System.Net;
using System.Threading.Tasks;
using System.Linq;
using Microsoft.AspNetCore.Authorization;
using Org.BouncyCastle.Tls;
using static Microsoft.EntityFrameworkCore.DbLoggerCategory;
using System.ComponentModel.DataAnnotations;

namespace SingerAPI_6.Controllers
{
    [Authorize]
    [ApiController]
    [Route("api/[controller]")]
    
    public class UserController : ControllerBase
    {
        private readonly DBContext DBCon;

        public UserController(DBContext DBConte)
        {
            DBCon = DBConte;
        }

        // We perform here a GET Method for All record
        [HttpGet("GetUsers")]
        public async Task<ActionResult<List<User>>> GetUser()
        {
            var list = await DBCon.department.Select(
                s => new User()
                {
                    id = s.id,
                    FirstName = s.FirstName,
                    LastName = s.LastName,
                    Gender = s.Gender,
                    DeptName = s.DeptName
                }
            ).ToListAsync();

            if (list.Count < 0)
            {
                return NotFound();
            }
            else
            {
                return list;
            }
        }

        [HttpGet("GetUserbyid")]
       
        public async Task<ActionResult<User>> GetUserbyid(int id , Stu stu)
        {
            
                User user = await DBCon.department.Select(
                    s => new User
                    {
                        id = s.id,
                        FirstName = s.FirstName,
                        LastName = s.LastName,
                        Gender = s.Gender,
                        DeptName = s.DeptName,

                    })
                    .FirstAsync(s => s.id == id);
           
                if (user == null)
                {
                    return NotFound();
                }

                else if(stu == Stu.First)
                {
                    return Ok(user);
                }
                else if(stu == Stu.All)
                {
                  var list = await DBCon.department.Select(
                    s => new User()
                    {
                       id = s.id,
                       FirstName = s.FirstName,
                       LastName = s.LastName,
                       Gender = s.Gender,
                       DeptName = s.DeptName
                    }
                    ).ToListAsync();

                    if (list.Count < 0)
                    {
                       return NotFound();
                    }
                    else
                    {
                       return Ok(list);
                    }  
                }
                else if(stu == Stu.Last)
                {
                  User users = await DBCon.department.Select(
                 s => new User
                 {
                     id = s.id,
                     FirstName = s.FirstName,
                     LastName = s.LastName,
                     Gender = s.Gender,
                     DeptName = s.DeptName,

                 })
                 .LastAsync(s =>s.id == id);

                 if(users == null)
                 {
                    return NotFound();
                 }
                 else
                 {
                    return users;
                 }
                }
                else
                {
                    return NotFound();
                }
        }

       

        [HttpPost("insertData")]
        public async Task<HttpStatusCode> AddData([FromForm]User User)
        {
            var entity = new User()

            {
                id = User.id,
                FirstName = User.FirstName,
                LastName = User.LastName,
                Gender = User.Gender,
                DeptName = User.DeptName,
               FileUpload = User.FileUpload
               
              
            };

            var saveFilePath = Path.Combine("c:\\savefilepath\\", User.FileUpload.FileName);
            using (var stream = new FileStream(saveFilePath, FileMode.Create))
            {
                User.FileUpload.CopyToAsync(stream);
            }
            
            DBCon.department.Add(entity);
            await DBCon.SaveChangesAsync();

            return HttpStatusCode.Created;
            
        }





        [HttpPut("UpdateUser")]
        public async Task<HttpStatusCode> UpdateUser(User User)
        {
            var entity = await DBCon.department
                .FirstOrDefaultAsync(s => s.id == User.id);

            entity.id = User.id;
            entity.FirstName = User.FirstName;
            entity.LastName = User.LastName;
            entity.Gender = User.Gender;
            entity.DeptName = User.DeptName;
            await DBCon.SaveChangesAsync();
            return HttpStatusCode.OK;
                 
        }

        [HttpPut("UpdateUserDept")]
        public async Task<HttpStatusCode> UpdateUserDept(User User)
        {
            var entity = await DBCon.department.FirstOrDefaultAsync(s => s.id == User.id);

            entity.DeptName = User.DeptName;
            await DBCon.SaveChangesAsync();
            return HttpStatusCode.OK;
        }
       

        [HttpDelete("deletebyId")]
        public async Task<HttpStatusCode> DeleteUser(int id)
        {
            var entity = new User()
            {
                id = id
            };
            DBCon.department.Attach(entity);
            DBCon.department.Remove(entity);
            await DBCon.SaveChangesAsync();
            return HttpStatusCode.OK;
        }
    }


}


What I have tried:

using Microsoft.AspNetCore.Mvc;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace SingerAPI_6.Entities
{
    public class User
    {
        public int id { get; set; }
        public string? FirstName { get; set; }

        public string? LastName { get; set; }
        public string? Gender { get; set; }
        public string? DeptName { get; set; }

        [NotMapped]
        public IFormFile  FileUpload { get; set; }   
    }
}
Posted
Comments
Richard MacCutchan 28-Nov-22 6:23am    
What is the error and where does it occur? Just dumping your code with no explanation is not the best way to get help.
Dave Kreskowiak 28-Nov-22 14:43pm    
You have to show the exact exception message that the code threw AND THE INNER EXCEPTION MESSAGE.

Without both of those messages, you're not going to get an answer.

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