public async Task <Tuple <bool, string[]> > CreateRoleAsync(ApplicationRole role, IEnumerable <string> claims)
{
if (claims == null)
{
claims = new string[] { }
}
;
string[] invalidClaims = claims.Where(c => ApplicationPermissions.GetPermissionByValue(c) == null).ToArray();
if (invalidClaims.Any())
{
return(Tuple.Create(false, new[] { "The following claim types are invalid: " + string.Join(", ", invalidClaims) }));
}
var result = await _roleManager.CreateAsync(role);
if (!result.Succeeded)
{
return(Tuple.Create(false, result.Errors.Select(e => e.Description).ToArray()));
}
role = await _roleManager.FindByNameAsync(role.Name);
foreach (string claim in claims.Distinct())
{
result = await this._roleManager.AddClaimAsync(role, new Claim(CustomClaimTypes.Permission, ApplicationPermissions.GetPermissionByValue(claim)));
if (!result.Succeeded)
{
await DeleteRoleAsync(role);
return(Tuple.Create(false, result.Errors.Select(e => e.Description).ToArray()));
}
}
return(Tuple.Create(true, new string[] { }));
}
public async Task <Tuple <bool, string[]> > UpdateRoleAsync(ApplicationRole role, IEnumerable <string> claims)
{
if (claims != null)
{
var invalidClaims =
claims.Where(c => ApplicationPermissions.GetPermissionByValue(c) == null).ToArray();
if (invalidClaims.Any())
{
return(Tuple.Create(false,
new[] { "The following claim types are invalid: " + string.Join(", ", invalidClaims) }));
}
}
var result = await _roleManager.UpdateAsync(role);
if (!result.Succeeded)
{
return(Tuple.Create(false, result.Errors.Select(e => e.Description).ToArray()));
}
if (claims == null)
{
return(Tuple.Create(true, new string[] { }));
}
{
var roleClaims =
(await _roleManager.GetClaimsAsync(role)).Where(c => c.Type == CustomClaimTypes.Permission);
var roleClaimValues = roleClaims.Select(c => c.Value).ToArray();
var claimsToRemove = roleClaimValues.Except(claims).ToArray();
var claimsToAdd = claims.Except(roleClaimValues).Distinct().ToArray();
if (claimsToRemove.Any())
{
foreach (var claim in claimsToRemove)
{
result = await _roleManager.RemoveClaimAsync(role,
roleClaims.FirstOrDefault(c => c.Value == claim));
if (!result.Succeeded)
{
return(Tuple.Create(false, result.Errors.Select(e => e.Description).ToArray()));
}
}
}
if (!claimsToAdd.Any())
{
return(Tuple.Create(true, new string[] { }));
}
{
foreach (var claim in claimsToAdd)
{
result = await _roleManager.AddClaimAsync(role,
new Claim(CustomClaimTypes.Permission, ApplicationPermissions.GetPermissionByValue(claim)));
if (!result.Succeeded)
{
return(Tuple.Create(false, result.Errors.Select(e => e.Description).ToArray()));
}
}
}
}
return(Tuple.Create(true, new string[] { }));
}