public int RemoveTagUsage <TUsage, TEntry>(long tagUsageId, IRepository <TEntry> repository) where TUsage : TagUsage
{
return(repository.HandleTransaction(ctx => {
ctx.AuditLogger.SysLog(string.Format("deleting tag usage with Id {0}", tagUsageId));
var tagUsage = ctx.Load <TUsage>(tagUsageId);
EntryPermissionManager.VerifyAccess(permissionContext, tagUsage.EntryBase, EntryPermissionManager.CanRemoveTagUsages);
tagUsage.Delete();
ctx.Delete(tagUsage);
ctx.Update(tagUsage.Tag);
ctx.AuditLogger.AuditLog(string.Format("removed {0}", tagUsage));
ctx.AuditLogger.SysLog("Usage count for " + tagUsage.Tag + " is now " + tagUsage.Tag.UsageCount);
return tagUsage.EntryBase.Id;
}));
}