parking-webapi/WebApi_data_value/Controllers/El125_car_tableController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Parking_space_WebAPI.Services;
using Parking_space_WebAPI.Authorization;
using WebApi_data_value.Models;

namespace WebApi_data_value.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    [Authorize]
    [ApiExplorerSettings(GroupName = "校園大內網")]
    public class El125_car_tableController : ControllerBase
    {
        private readonly SqlContext _context;

        public El125_car_tableController(SqlContext context)
        {
            _context = context;
        }

        // GET: api/El125_car_table
        [HttpGet]
        public async Task<ActionResult<IEnumerable<El125_car_table>>> Getel125_car_table()
        {
          if (_context.el125_car_table == null)
          {
              return NotFound();
          }
            return await _context.el125_car_table.ToListAsync();
        }

        // GET: api/El125_car_table/5
        [HttpGet("{id}")]
        public async Task<ActionResult<El125_car_table>> GetEl125_car_table(string id)
        {
          if (_context.el125_car_table == null)
          {
              return NotFound();
          }
            var el125_car_table = await _context.el125_car_table.FindAsync(id);

            if (el125_car_table == null)
            {
                return NotFound();
            }

            return el125_car_table;
        }

        // PUT: api/El125_car_table/5
        // To protect from overposting attacks, see https://go.microsoft.com/fwlink/?linkid=2123754
        [HttpPut("{id}")]
        public async Task<IActionResult> PutEl125_car_table(string id, El125_car_table el125_car_table)
        {
            if (id != el125_car_table.license_plate_number)
            {
                return BadRequest();
            }

            _context.Entry(el125_car_table).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!El125_car_tableExists(id))
                {
                    return NotFound();
                }
                else
                {
                    throw;
                }
            }

            return NoContent();
        }

        // POST: api/El125_car_table
        // To protect from overposting attacks, see https://go.microsoft.com/fwlink/?linkid=2123754
        [HttpPost]
        public async Task<ActionResult<El125_car_table>> PostEl125_car_table(El125_car_table el125_car_table)
        {
          if (_context.el125_car_table == null)
          {
              return Problem("Entity set 'SqlContext.el125_car_table'  is null.");
          }
            var license_plate_number = el125_car_table.license_plate_number;
            var data = await (from c in _context.el125_car_table
                              where c.license_plate_number == license_plate_number
                              select c
                             ).FirstOrDefaultAsync();
            if (data == null)
            {
                _context.el125_car_table.Add(el125_car_table);
                try
                {
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateException)
                {
                    if (El125_car_tableExists(el125_car_table.license_plate_number))
                    {
                        return Conflict();
                    }
                    else
                    {
                        throw;
                    }
                }
                return Ok("ok");
            }

            return Ok("車牌重複");
        }

        // DELETE: api/El125_car_table/5
        [HttpDelete("{id}")]
        public async Task<IActionResult> DeleteEl125_car_table(string id)
        {
            if (_context.el125_car_table == null)
            {
                return NotFound();
            }
            var el125_car_table = await _context.el125_car_table.FindAsync(id);
            if (el125_car_table == null)
            {
                return NotFound();
            }

            _context.el125_car_table.Remove(el125_car_table);
            await _context.SaveChangesAsync();

            return NoContent();
        }

        private bool El125_car_tableExists(string id)
        {
            return (_context.el125_car_table?.Any(e => e.license_plate_number == id)).GetValueOrDefault();
        }
    }
}