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using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Threading.Tasks;
using DevHive.Data.Interfaces.Repositories;
using DevHive.Data.Models;
using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
namespace DevHive.Data.Repositories
{
public class UserRepository : BaseRepository<User>, IUserRepository
{
private readonly DevHiveContext _context;
public UserRepository(DevHiveContext context)
: base(context)
{
this._context = context;
}
#region Read
public IEnumerable<User> QueryAll()
{
return this._context.Users
.Include(x => x.Roles)
.AsNoTracking()
.AsEnumerable();
}
public override async Task<User> GetByIdAsync(Guid id)
{
return await this._context.Users
.Include(x => x.Friends)
.Include(x => x.Roles)
.Include(x => x.Languages)
.Include(x => x.Technologies)
.FirstOrDefaultAsync(x => x.Id == id);
}
public async Task<User> GetByUsernameAsync(string username)
{
return await this._context.Users
.Include(x => x.Friends)
.Include(x => x.Roles)
.Include(x => x.Languages)
.Include(x => x.Technologies)
.FirstOrDefaultAsync(x => x.UserName == username);
}
#endregion
#region Update
public override async Task<bool> EditAsync(Guid id, User newEntity)
{
User user = await this.GetByIdAsync(id);
user.Languages.Clear();
foreach (var lang in newEntity.Languages)
user.Languages.Add(lang);
user.Roles.Clear();
foreach (var role in newEntity.Roles)
user.Roles.Add(role);
foreach (var friend in user.Friends)
{
friend.Friends.Remove(user);
this._context.Entry(friend).State = EntityState.Modified;
}
user.Friends.Clear();
foreach (var friend in newEntity.Friends)
{
friend.Friends.Add(user);
user.Friends.Add(friend);
}
user.Technologies.Clear();
foreach (var tech in newEntity.Technologies)
user.Technologies.Add(tech);
this._context.Entry(user).State = EntityState.Modified;
return await this.SaveChangesAsync(this._context);
}
#endregion
#region Validations
public async Task<bool> DoesUserExistAsync(Guid id)
{
return await this._context.Users
.AsNoTracking()
.AnyAsync(x => x.Id == id);
}
public async Task<bool> DoesUsernameExistAsync(string username)
{
return await this._context.Users
.AsNoTracking()
.AnyAsync(u => u.UserName == username);
}
public async Task<bool> DoesEmailExistAsync(string email)
{
return await this._context.Users
.AsNoTracking()
.AnyAsync(u => u.Email == email);
}
public async Task<bool> DoesUserHaveThisFriendAsync(Guid userId, Guid friendId)
{
User user = await this.GetByIdAsync(userId);
User friend = await this.GetByIdAsync(friendId);
return user.Friends.Contains(friend);
}
public bool DoesUserHaveThisUsername(Guid id, string username)
{
return this._context.Users
.AsNoTracking()
.Any(x => x.Id == id &&
x.UserName == username);
}
#endregion
}
}
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