<?php



function _wpr_new_broadcast_handler()

{

	$newsletters = _wpr_get_newsletters();



	_wpr_set("newsletterList",$newsletters);

	_wpr_set("send","immediately");

	_wpr_set("timezone","+00:00");

}



function _wpr_new_broadcast_post_handler()

{

	//security check

	if (!check_admin_referer("new_broadcast_form"))

	{

		header('HTTP/1.0 404 Not Found'); 

		exit;

	}

	

	$errors = array();

	$newsletter = intval($_POST['newsletter']);

	$newsletter_obj = _wpr_get_newsletter($newsletter);

	//ensure that this newsleter exists.

	

	if (false == $newsletter_obj)	

	{

		$errors[] = __("The selected newsletter doesn't exist.",'wpr_autoresponder');	

		//then again.. what are the odds of the newsletter not existing..  

	}

	

	$subject = wpr_sanitize($_POST['subject']);

	$content = wpr_sanitize($_POST['content'],false);

	$textbody = wpr_sanitize($_POST['textbody']);

	

	$send = $_POST['send'];

	if ("later"==$send)

	{

		$date = wpr_sanitize($_POST['send_date']);

		$date_parts = explode("/", $date);

		try 

		{

			 

			if (3 != count($date_parts))

				throw new Exception(__("The date is entered in an invalid format. Please enter a valid date in MM/DD/YYYY format.",'wpr_autoresponder'));

				

			foreach ($date_parts as $index=>$parts)

				$date_parts[$index] = intval($parts);

			

			if (in_array(0,$date_parts))

				throw new Exception(__("The date is entered in an invalid format. Please enter a valid date in MM/DD/YYYY format.",'wpr_autoresponder'));

				

			list($month,$date,$year) = split("/",$date);				

				

			if (!checkdate($month,$date,$year))

				throw new Exception(__("The date entered in the date field is invalid. Please enter a valid date.",'wpr_autoresponder'));

				

			$send_hour = intval($_POST['send_hour']);

			$send_minutes = intval($_POST['send_minute']);

			

			//what follows is the most questionable piece of code i ever wrote. don't ask why, just run with it.

			

			//get the timezone offset in seconds

			$timezone = $_POST['timezone'];			

			list($timezone_offset_hour, $timezone_offset_minute) = split(":",$timezone);

			$whetherToAddTimezoneOffset = strstr($timezone,"+");			

			$timezoneOffsetInSeconds = abs($timezone_offset_hour)*3600+abs($timezone_offset_minute)*60;

			$timezoneOffsetInSeconds = (!$whetherToAddTimezoneOffset)?-$timezoneOffsetInSeconds:$timezoneOffsetInSeconds;



			$epoch_of_scheduled_time = mktime($send_hour,$send_minutes, 0,$month,$date,$year);

		

			if (false===$epoch_of_scheduled_time)

			 	throw new Exception("The date and time combination you have selected is invalid. Please enter a valid date-time.");



			$epoch_of_scheduled_time += $timezoneOffsetInSeconds;				

			$epochNow = time();

			

			if ($epochNow >= $epoch_of_scheduled_time)

				throw new Exception("The date and time combination you have provided is in the past. Please specify a dispatch time in the future.");			

		

		}

		catch (Exception $e)

		{

			$errors[] = $e->getMessage();			

		}

	}

	

	

	

	

	if (empty($content) && empty($textbody))

	{

		$errors[] = __("Both the HTML and text body of the broadcast are empty. Atleast one of them must be filled to send a broadcast.",'wpr_autoresponder');

	}

	

	

	

	if (count($errors) == 0 )

	{

		//go to step two.		

	}

	

	

}