brian is c00l

class.subscriptions.php

<?php
/**
 * Enable Subscriptions Options for supporting product types and payment gateways
 * @package exchange-addon-recurring-payments
 * @since 1.0.0
*/

if( class_exists( 'IT_Exchange_Recurring_Payments' ) ) {

class IT_Exchange_Subscriptions extends IT_Exchange_Recurring_Payments {
	/**
	 * This echos the base price metabox.
	 *
	 * @since 0.1.0
	 * @param object $post Product
	 * @return void
	*/
	function print_metabox( $post ) {
		// Grab the iThemes Exchange Product object from the WP $post object
		$product = it_exchange_get_product( $post );

		// Get product feature values
		$product_feature_interval    = it_exchange_get_product_feature( $product->ID, 'subscriptions', array( 'setting' => 'interval' ) );
		$product_feature_term        = it_exchange_get_product_feature( $product->ID, 'subscriptions', array( 'setting' => 'term' ) );
		$product_feature_duration    = it_exchange_get_product_feature( $product->ID, 'subscriptions', array( 'setting' => 'duration' ) );
		$product_feature_sign_up_fee = it_exchange_get_product_feature( $product->ID, 'subscriptions', array( 'setting' => 'sign-up-fee' ) ); // optional
		$product_feature_auto_renew  = it_exchange_get_product_feature( $product->ID, 'subscriptions', array( 'setting' => 'auto-renew' ) );

		$intervals = apply_filters( 'it_exchange_subscriptions_intervals', array(
			'every' => __( 'Per', 'it-l10n-exchange-addon-subscriptions' ),
			'2nd'   => __( 'Every 2nd', 'it-l10n-exchange-addon-subscriptions' ),
			'3rd'   => __( 'Every 3rd', 'it-l10n-exchange-addon-subscriptions' ),
			'4th'   => __( 'Every 4th', 'it-l10n-exchange-addon-subscriptions' ),
			'5th'   => __( 'Every 5th', 'it-l10n-exchange-addon-subscriptions' ),
			'6th'   => __( 'Every 6th', 'it-l10n-exchange-addon-subscriptions' ),
		) );

		$terms = apply_filters( 'it_exchange_subscriptions_terms',  array(
			'day'   => __( 'Day', 'it-l10n-exchange-addon-subscriptions' ),
			'week'  => __( 'Week', 'it-l10n-exchange-addon-subscriptions' ),
			'month' => __( 'Month', 'it-l10n-exchange-addon-subscriptions' ),
			'year'  => __( 'Year', 'it-l10n-exchange-addon-subscriptions' ),
		) );

		$durations = array( 'forever' => __( 'Forever', 'it-l10n-exchange-addon-subscriptions' ) );
		for ( $i = 1; $i <= 24; $i++ ) {
			$durations[ $i ] = $i;
		}
		$durations = apply_filters( 'it_exchange_subscriptions_durations', $durations );
		
		
		if ( ! $product_feature_duration || 'forever' === $product_feature_duration ) {
			$hidden = 'hidden';
			$product_feature_auto_renew = 'off';
		} else {
			$hidden = '';
		}

		// Echo the form field
		?>
            <div id="it-exchange-subscriptions-settings">

	        	<select class="it-exchange-subscriptions-interval-options" name="it-exchange-subscriptions-interval">
				<?php
					foreach ( $intervals as $key => $interval ) {
						echo '<option value="' . $key . '" ' . selected( $product_feature_interval, $key, false ) . '>' . $interval . '</option>';	
					}
	            ?>
	            </select>

	            <select class="it-exchange-subscriptions-term-options" name="it-exchange-subscriptions-term">
				<?php
					foreach ( $terms as $key => $term ) {
						echo '<option value="' . $key . '" ' . selected( $product_feature_term, $key, false ) . '>' . $term . '</option>';	
					}
	            ?>
	            </select>

	            <span> for </span>

	            <select class="it-exchange-subscriptions-duration-options" name="it-exchange-subscriptions-duration">
				<?php
					foreach ( $durations as $key => $duration ) {
						echo '<option value="' . $key . '" ' . selected( $product_feature_duration, $key, false ) . '>' . $duration . '</option>';	
					}
	            ?>
	            </select>

	            <span> with a $</span>

	            <input type="text" class="it-exchange-subscriptions-sign-up-fee" name="it-exchange-subscriptions-sign-up-fee" placeholder="0.00" value="<?php echo ( $product_feature_sign_up_fee ) ? $product_feature_sign_up_fee : ''; ?>">

	            <span> sign-up fee.</span>

	            <span class="it-exchange-subscriptions-auto-renew <?php echo $hidden; ?> auto-renew-<?php echo $product_feature_auto_renew; ?>" title="<?php printf( __( 'Auto-Renew: %s', 'it-l10n-exchange-addon-membership' ), strtoupper( $product_feature_auto_renew ) ); ?>">
	            	<input type="hidden" name="it-exchange-subscriptions-auto-renew" value="<?php echo $product_feature_auto_renew; ?>" />
	            </span>

            </div>
		<?php
	}

	/*
	 * Save subscription features on product save
	 *
	 * @since 0.1.0
	 *
	 * @return void
	*/
	function save_feature_on_product_save() {
		// Abort if we can't determine a product type
		if ( ! $product_type = it_exchange_get_product_type() )
			return;

		// Abort if we don't have a product ID
		$product_id = empty( $_POST['ID'] ) ? false : $_POST['ID'];
		if ( ! $product_id )
			return;

		// Abort if this product type doesn't support this feature 
		if ( ! it_exchange_product_type_supports_feature( $product_type, 'subscriptions' ) )
			return;

		it_exchange_update_product_feature( $product_id, 'subscriptions', $_POST['it-exchange-subscriptions-interval'], array( 'setting' => 'interval' ) );
		it_exchange_update_product_feature( $product_id, 'subscriptions', $_POST['it-exchange-subscriptions-term'], array( 'setting' => 'term' ) );
		it_exchange_update_product_feature( $product_id, 'subscriptions', $_POST['it-exchange-subscriptions-duration'], array( 'setting' => 'duration' ) );
		it_exchange_update_product_feature( $product_id, 'subscriptions', $_POST['it-exchange-subscriptions-sign-up-fee'], array( 'setting' => 'sign-up-fee' ) );
		it_exchange_update_product_feature( $product_id, 'subscriptions', $_POST['it-exchange-subscriptions-auto-renew'], array( 'setting' => 'auto-renew' ) );
	}

	/**
	 * Return subscription features
	 *
	 * @since 0.1.0
	 * @param mixed $existing the values passed in by the WP Filter API. Ignored here.
	 * @param integer product_id the WordPress post ID
	 * @param array $options Optional arguments used to specify which feature is gotten
	 * @return string
	*/
	function get_feature( $existing, $product_id, $options=array() ) {
		// Is the the add / edit product page?
		$current_screen = is_admin() ? get_current_screen() : false;
		$editing_product = ( ! empty( $current_screen->id ) && 'it_exchange_prod' == $current_screen->id );
		
		/*
		TODO: what are the lines of code below doing and why? how come auto-renew doesn't need to be passed to ITUtility::merge_defaults() ?
		ITUtility::merge_defaults is defined in ithemes-exchange/lib/classes/it-utility.php, line 86
		*/

		// Using options to determine if we're getting the enabled setting or the actual time setting // TODO: what is the "actual time setting?"
		$defaults = array( 'setting' => array( 'interval', 'term', 'duration', 'sign-up-fee' ) );
		$options  = ITUtility::merge_defaults( $options, $defaults );
	
		if ( 'interval' == $options['setting'] ) {
			return get_post_meta( $product_id, '_it-exchange-subscriptions-interval', true );
		} else if ( 'term' == $options['setting'] ) {
			return get_post_meta( $product_id, '_it-exchange-subscriptions-term', true );
		} else if ( 'duration' == $options['setting'] ) {
			return get_post_meta( $product_id, '_it-exchange-subscriptions-duration', true );
		} else if ( 'sign-up-fee' == $options['setting'] ) {
			return get_post_meta( $product_id, '_it-exchange-subscriptions-sign-up-fee', true );
		} else if ( 'auto-renew' == $options['setting'] ) {
			$autorenew = get_post_meta( $product_id, '_it-exchange-product-recurring-auto-renew', true );
			if ( ! in_array( $autorenew, array( 'on', 'off' ) ) )
				$autorenew = 'off';
			return $autorenew;
		}
		return false;
	}

	/**
	 * Does the product have the feature?
	 *
	 * @since 0.1.0
	 * @param mixed $result Not used by core
	 * @param integer $product_id
	 * @param array $options Optional arguments used to specify which feature is checked
	 * @return boolean
	*/
	function product_has_feature( $result, $product_id, $options=array() ) {
		$defaults = array( 'setting' => array( 'interval', 'term', 'duration', 'sign-up-fee' ) );
		$options = ITUtility::merge_defaults( $options, $defaults );

		// Does this product type support this feature?
		if ( false === $this->product_supports_feature( false, $product_id, $options ) )
			return false;

		// If it does support it, does product have the feature?
		$feature = $this->get_feature( false, $product_id, $options );
		if ( ! empty( $feature ) )
			return true;
		else
			return false;
	}

	/**
	 * Does the product support this feature?
	 *
	 * This is different than if it has the feature, a product can 
	 * support a feature but might not have the feature set.
	 *
	 * @since 1.0.0
	 * @param mixed $result Not used by core
	 * @param integer $product_id
	 * @param array $options Optional arguments used to specify which feature is checked
	 * @return boolean
	*/
	function product_supports_feature( $result, $product_id, $options=array() ) {
		$defaults = array( 'setting' => array( 'interval', 'term', 'duration', 'sign-up-fee' ) );
		$options = ITUtility::merge_defaults( $options, $defaults );

		// Does this product type support this feature?
		$product_type = it_exchange_get_product_type( $product_id );
		if ( ! it_exchange_product_type_supports_feature( $product_type, 'recurring-payments' ) ) // TODO: should this be 'subscriptions' ?
			return false;

		if ( 'auto-renew' === $options['setting'] ) {
			if ( 'off' === it_exchange_get_product_feature( $product_id, 'recurring-payments', array( 'setting' => $options['setting'] ) ) )
				return false;
		}

		return true;
	}
}
$IT_Exchange_Subscriptions = new IT_Exchange_Subscriptions();
}