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using System.Net;
using System.Net.Http;
using System.Net.Http.Json;
using System.Text.Json.Serialization;
using System.Threading.Tasks;
using API.Database;
using AutoMapper;
using Microsoft.AspNetCore.Mvc;
using Models.Classes;
using Models.DTOs;
using Newtonsoft.Json;
using System;
using System.Web.Http;
using System.Collections.Generic;
namespace API.Service
{
public class UserService
{
private readonly DbRepository<User> _dbRepository;
private readonly IMapper _userMapper;
public UserService(DevHiveContext context, IMapper mapper)
{
this._dbRepository = new DbRepository<User>(context);
this._userMapper = mapper;
}
public async Task<HttpStatusCode> CreateUser(UserDTO userDTO)
{
IEnumerable<User> allUsers = this._dbRepository.Query();
foreach (var currUser in allUsers)
{
if (currUser.UserName == userDTO.UserName)
return HttpStatusCode.Forbidden;
}
User user = this._userMapper.Map<User>(userDTO);
await this._dbRepository.AddAsync(user);
return HttpStatusCode.OK;
}
public async Task<string> GetUserById(int id)
{
User user = await this._dbRepository.FindByIdAsync(id) ??
throw new HttpResponseException(HttpStatusCode.NotFound);
return JsonConvert.SerializeObject(user);
}
public async Task<HttpStatusCode> UpdateUser(int id, UserDTO userDTO)
{
IEnumerable<User> allUsers = this._dbRepository.Query();
bool userExists = false;
foreach (var currUser in allUsers)
{
if (currUser.Id == userDTO.Id)
{
userExists = true;
continue;
}
if (currUser.UserName == userDTO.UserName)
return HttpStatusCode.Forbidden;
}
if (!userExists)
return HttpStatusCode.NotFound;
User user = this._userMapper.Map<User>(userDTO);
await this._dbRepository.EditAsync(id, user);
return HttpStatusCode.OK;
}
public async Task<HttpStatusCode> DeleteUser(int id)
{
try // This skips having to query the database and check if the user doesn't exist
{
await this._dbRepository.DeleteAsync(id);
}
catch (ArgumentNullException)
{
return HttpStatusCode.NotFound;
}
return HttpStatusCode.OK;
}
}
}
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