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using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using DevHive.Data.Interfaces.Repositories;
using DevHive.Data.Models;
using Microsoft.EntityFrameworkCore;
namespace DevHive.Data.Repositories
{
public interface IUserRepository
{
Task<bool> DoesEmailExistAsync(string email);
Task<bool> DoesUserExistAsync(Guid id);
Task<bool> DoesUserHaveThisFriendAsync(Guid userId, Guid friendId);
bool DoesUserHaveThisUsername(Guid id, string username);
Task<bool> DoesUsernameExistAsync(string username);
Task<bool> EditAsync(Guid id, User newEntity);
Task<User> GetByIdAsync(Guid id);
Task<User> GetByUsernameAsync(string username);
IEnumerable<User> QueryAll();
}
public class UserRepository : BaseRepository<User>, IUserRepository, 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
.AsNoTracking()
.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 GetByIdAsync(id);
this._context.Update(user);
user = newEntity;
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._context.Users
.FirstOrDefaultAsync(x => x.Id == userId);
User friend = await this._context.Users
.FirstOrDefaultAsync(x => x.Id == 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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