private Expression <Func <ApplicationUser, bool> > ExternalRoleFilter(WallModel wall, string externalRoleId)
{
if (wall.Type != WallType.Events)
{
return(user => user.Roles.All(r => r.RoleId != externalRoleId));
}
else
{
return(user => true);
}
}
public IList <string> GetWallUsersEmails(string senderEmail, WallModel wall)
{
var newUserAndExternalRoles = _rolesDbSet
.Where(r => r.Name == Constants.Authorization.Roles.NewUser ||
r.Name == Constants.Authorization.Roles.External)
.ToList();
var newUserRoleId = newUserAndExternalRoles.First(r => r.Name == Constants.Authorization.Roles.NewUser).Id;
var externalRoleId = newUserAndExternalRoles.First(r => r.Name == Constants.Authorization.Roles.External).Id;
var emails = _usersDbSet
.Include(u => u.WallUsers)
.Include(u => u.Roles)
.Where(user => user.WallUsers.Any(x => x.WallId == wall.Id && x.EmailNotificationsEnabled) &&
user.Roles.All(r => r.RoleId != newUserRoleId) &&
user.Email != senderEmail)
.Where(ExternalRoleFilter(wall, externalRoleId))
.Select(u => u.Email)
.Distinct()
.ToList();
return(emails);
}