Add poll system for Patrons Circle

lib/PollItem.php

@@ -0,0 +1,27 @@
+<?
+class PollItem extends PropertiesBase{
+	public $PollItemId;
+	public $PollId;
+	public $Name;
+	public $Description;
+	protected $VoteCount = null;
+	protected $Poll = null;
+
+	protected function GetVoteCount(): int{
+		if($this->VoteCount === null){
+			$this->VoteCount = (Db::Query('select count(*) as VoteCount from Votes v inner join PollItems pi on v.PollItemId = pi.PollItemId where pi.PollItemId = ?', [$this->PollItemId]))[0]->VoteCount;
+		}
+
+		return $this->VoteCount;
+	}
+
+	public static function Get(?int $pollItemId): PollItem{
+		$result = Db::Query('SELECT * from PollItems where PollItemId = ?', [$pollItemId], 'PollItem');
+
+		if(sizeof($result) == 0){
+			throw new Exceptions\InvalidPollItemException();
+		}
+
+		return $result[0];
+	}
+}