<?php

// leaky paywall restriction functionality for custom fields
function is_restricted_zeen101_post( $post_id ) {

	if ( current_user_can( 'edit_posts' ) ) { // show content to contributors and up
		return false;
	}

	$settings = get_leaky_paywall_settings();
	$site = '';
	$level_ids = leaky_paywall_subscriber_current_level_ids();

	$restrictions = leaky_paywall_subscriber_restrictions();



	foreach( $restrictions as $key => $restriction ) {

		if ( is_singular( $restriction['post_type'] ) ) {

			if ( 0 <= $restriction['allowed_value'] ) {

				$post_type_id = $key;
				$restricted_post_type = $restriction['post_type'];
				break;

			} else if ( -1 == $restriction['allowed_value'] ) {
				return false; // content is not restricted because user has unlimted access to this post type
			}

		}

	}

	switch ( $settings['cookie_expiration_interval'] ) {
		case 'hour':
			$multiplier = 60 * 60; //seconds in an hour
			break;
		case 'day':
			$multiplier = 60 * 60 * 24; //seconds in a day
			break;
		case 'week':
			$multiplier = 60 * 60 * 24 * 7; //seconds in a week
			break;
		case 'month':
			$multiplier = 60 * 60 * 24 * 7 * 4; //seconds in a month (4 weeks)
			break;
		case 'year':
			$multiplier = 60 * 60 * 24 * 7 * 52; //seconds in a year (52 weeks)
			break;
	}

	$expiration = time() + ( $settings['cookie_expiration'] * $multiplier );

	if ( !empty( $_COOKIE['issuem_lp' . $site] ) )
		$available_content = maybe_unserialize( stripslashes( $_COOKIE['issuem_lp' . $site] ) );

	if ( empty( $available_content[$restricted_post_type] ) )
		$available_content[$restricted_post_type] = array();

	foreach ( $available_content[$restricted_post_type] as $key => $restriction ) {

		if ( time() > $restriction || 7200 > $restriction ) {
			//this post view has expired
			//Or it is very old and based on the post ID rather than the expiration time
			unset( $available_content[$restricted_post_type][$key] );

		}

	}

	if( -1 != $restrictions[$post_type_id]['allowed_value'] ) { //-1 means unlimited

		if ( $restrictions[$post_type_id]['allowed_value'] > count( $available_content[$restricted_post_type] ) ) {

			if ( !array_key_exists( $post_id, $available_content[$restricted_post_type] ) ) {

				$available_content[$restricted_post_type][$post_id] = $expiration;

			}

		} else {

			if ( !array_key_exists( $post_id, $available_content[$restricted_post_type] ) ) {

				return true; // content is restricted for this post

			}

		}

	}

	return false; // content is not restricted for this post

}