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using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL.Enumerations;
using SimpleValidator.Extensions;
namespace Tango.BL.Entities
{
public partial class User
{
/// <summary>
/// Determines whether the user has the specified permission.
/// </summary>
/// <param name="permission">The permission.</param>
/// <returns>
/// <c>true</c> if the user has permission; otherwise, <c>false</c>.
/// </returns>
public bool HasPermission(Permissions permission)
{
return UsersRoles.Select(x => x.Role).ToList().SelectMany(x => x.RolesPermissions).ToList().Exists(x => x.Permission.Code == permission.ToInt32());
}
/// <summary>
/// Gets the aggregated user roles as enumerations.
/// </summary>
[NotMapped]
public List<Role> Roles
{
get { return UsersRoles.Select(x => x.Role).ToList(); }
}
/// <summary>
/// Gets the aggregated user permissions as enumerations.
/// </summary>
[NotMapped]
public List<Permission> Permissions
{
get
{
return UsersRoles.Select(x => x.Role).ToList().SelectMany(x => x.RolesPermissions).Select(x => x.Permission).ToList();
}
}
public override void Validate(ObservablesContext context)
{
var users = context.Users.ToList();
if (users.Exists(x => x.Guid != Guid && x.Email.ToLower() == Email.ToLower()))
{
throw new ArgumentException("The specified email is already taken by another account.");
}
if (!Email.IsEmail())
{
throw new ArgumentException("The specified email address is invalid.");
}
if (!Password.IsBetweenLength(4, 30))
{
throw new ArgumentException("A user password must be at least 4 characters long and maximum 30.");
}
if (Contact != null)
{
Contact.Validate(context);
}
if (Address != null)
{
Address.Validate(context);
}
}
}
}
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