public RemoveModFromSubResponse Handle(RemoveModFromSub command)
{
var response = new RemoveModFromSubResponse();
try
{
var requestingUser = _membershipService.GetUserById(command.RequestingUser);
if (requestingUser == null)
{
response.Error = "Invalid user.";
return(response);
}
var userToRemove = command.UserIdToRemove.HasValue
? _membershipService.GetUserById(command.UserIdToRemove.Value)
: _membershipService.GetUserByUserName(command.UserNameToRemove);
if (userToRemove == null)
{
response.Error = "Invalid user.";
return(response);
}
Sub sub = null;
if (command.SubId.HasValue)
{
sub = _subService.GetSubById(command.SubId.Value);
}
else if (!string.IsNullOrEmpty(command.SubName))
{
sub = _subService.GetSubByName(command.SubName);
}
if (sub == null)
{
response.Error = "Invalid sub.";
return(response);
}
var userToRemoveModInfo = _moderationService.GetModeratorInfoForUserInSub(userToRemove.Id, sub.Id);
if (userToRemoveModInfo == null)
{
response.Error = "The user is not a mod of this sub.";
return(response);
}
if (requestingUser.IsAdmin)
{
_moderationService.RemoveModFromSub(userToRemove.Id, sub.Id);
}
else
{
var requestingUserModInfo = _moderationService.GetModeratorInfoForUserInSub(requestingUser.Id, sub.Id);
if (requestingUserModInfo == null)
{
response.Error = "You are not a mod of this sub.";
return(response);
}
if (
// if the user is removing himself (doable)
requestingUser.Id == userToRemove.Id ||
// or the requesting user is an admin
requestingUser.IsAdmin ||
// or the user has has "full" access and the user we are changing has is a newby.
(requestingUserModInfo.AddedOn <=
userToRemoveModInfo.AddedOn &&
requestingUserModInfo.Permissions.HasFlag(
ModeratorPermissions.All))
)
{
_moderationService.RemoveModFromSub(userToRemove.Id, sub.Id);
}
else
{
response.Error = "You are not permitted to remove the mod from this sub.";
return(response);
}
}
}
catch (Exception ex)
{
response.Error = "An unknown error occured.";
_logger.Error("An error occured removing a user from sub.", ex);
}
return(response);
}