public List <ModeratorWrapped> Wrap(List <Moderator> moderators, User currentUser = null)
{
var items = moderators.Select(x => new ModeratorWrapped(x)).ToList();
var users = _membershipService.GetUsersByIds(moderators.Select(x => x.UserId).Distinct().ToList()).ToDictionary(x => x.Id, x => x);
var subs = _subDao.GetSubsByIds(moderators.Select(x => x.SubId).Distinct().ToList()).ToDictionary(x => x.Id, x => x);
var subModeratorInfo = currentUser != null?subs.Keys.ToDictionary(x => x, x => _moderationDao.GetModeratorInfoForUserInSub(currentUser.Id, x)) : new Dictionary <Guid, Moderator>();
foreach (var item in items)
{
item.Sub = subs[item.Moderator.SubId];
item.User = users[item.Moderator.UserId];
if (currentUser == null)
{
item.CanRemove = false;
item.CanChangePermissions = false;
}
else
{
if (item.User.Id == currentUser.Id)
{
// we can remove ourself
item.CanRemove = true;
// but we cant change our permissions
item.CanChangePermissions = false;
}
else if (currentUser.IsAdmin)
{
// admins can always remove people anc hange permissions
item.CanRemove = true;
item.CanChangePermissions = true;
}
else
{
var currentModeratorInfo = subModeratorInfo.ContainsKey(item.Sub.Id)
? subModeratorInfo[item.Sub.Id]
: null;
if (currentModeratorInfo != null)
{
// the user is a moderator of some kind in the sub
// remember a mod can never remove or change permissions of a mod who has been one longer
if (currentModeratorInfo.AddedOn > item.Moderator.AddedOn)
{
// the current user was added as a moderator later than this current interated one.
// seniority!
item.CanRemove = false;
item.CanChangePermissions = false;
}
else
{
// only users with "all" permission can change/remove another mod
if (currentModeratorInfo.Permissions.HasPermission(ModeratorPermissions.All))
{
item.CanRemove = true;
item.CanChangePermissions = true;
}
else
{
item.CanRemove = false;
item.CanChangePermissions = false;
}
}
}
else
{
// the user is not a moderator in this sub
item.CanRemove = false;
item.CanChangePermissions = false;
}
}
}
}
return(items);
}
public List <ModeratorInviteWrapped> Wrap(List <ModeratorInvite> invites, User currentUser = null)
{
var items = invites.Select(x => new ModeratorInviteWrapped(x)).ToList();
var users = _membershipDao.GetUsersByIds(invites.Select(x => x.UserId).Distinct().ToList()).ToDictionary(x => x.Id, x => x);
var subs = _subDao.GetSubsByIds(invites.Select(x => x.SubId).Distinct().ToList()).ToDictionary(x => x.Id, x => x);
var subModeratorInfo = currentUser != null?subs.Keys.ToDictionary(x => x, x => _moderationDao.GetModeratorInfoForUserInSub(currentUser.Id, x)) : new Dictionary <Guid, Moderator>();
foreach (var item in items)
{
item.Sub = subs[item.ModeratorInvite.SubId];
item.User = users[item.ModeratorInvite.UserId];
if (currentUser == null)
{
item.CanRemove = false;
}
else
{
if (item.User.Id == currentUser.Id)
{
// we can remove ourself
item.CanRemove = true;
// but we can't change our permissions
item.CanChangePermissions = false;
}
else if (currentUser.IsAdmin)
{
// admins can always remove people and change permissions
item.CanRemove = true;
item.CanChangePermissions = true;
}
else
{
var currentModeratorInfo = subModeratorInfo.ContainsKey(item.Sub.Id)
? subModeratorInfo[item.Sub.Id]
: null;
if (currentModeratorInfo != null)
{
// only users with "all" permission can change invite permissions
if (currentModeratorInfo.Permissions.HasPermission(ModeratorPermissions.All))
{
item.CanRemove = true;
item.CanChangePermissions = true;
}
else
{
item.CanRemove = false;
item.CanChangePermissions = false;
}
}
else
{
// the user is not a moderator in this sub
item.CanRemove = false;
item.CanChangePermissions = false;
}
}
}
}
return(items);
}