first commit

wp-content/plugins/mailchimp-for-wp/includes/admin/migrations/4.0.0-groupings-to-interests.php

@@ -0,0 +1,112 @@
+<?php
+
+defined( 'ABSPATH' ) or exit;
+
+/**
+ * @ignore
+ * @return object
+ */
+function _mc4wp_400_find_grouping_for_interest_category( $groupings, $interest_category ) {
+	foreach ( $groupings as $grouping ) {
+		// cast to stdClass because of missing class
+		$grouping = (object) (array) $grouping;
+
+		if ( $grouping->name === $interest_category->title ) {
+			return $grouping;
+		}
+	}
+
+	return null;
+}
+
+/**
+ * @ignore
+ * @return object
+ */
+function _mc4wp_400_find_group_for_interest( $groups, $interest ) {
+	foreach ( $groups as $group_id => $group_name ) {
+		if ( $group_name === $interest->name ) {
+			return (object) array(
+				'name' => $group_name,
+				'id'   => $group_id,
+			);
+		}
+	}
+
+	return null;
+}
+
+// in case the migration is _very_ late to the party
+if ( ! class_exists( 'MC4WP_API_V3' ) ) {
+	return;
+}
+
+$options = get_option( 'mc4wp', array() );
+if ( empty( $options['api_key'] ) ) {
+	return;
+}
+
+// get current state from transient
+$lists = get_transient( 'mc4wp_mailchimp_lists_fallback' );
+if ( empty( $lists ) ) {
+	return;
+}
+
+@set_time_limit( 600 );
+$api_v3 = new MC4WP_API_V3( $options['api_key'] );
+$map    = array();
+
+foreach ( $lists as $list ) {
+
+	// cast to stdClass because of missing classes
+	$list = (object) (array) $list;
+
+	// no groupings? easy!
+	if ( empty( $list->groupings ) ) {
+		continue;
+	}
+
+	// fetch (new) interest categories for this list
+	try {
+		$interest_categories = $api_v3->get_list_interest_categories( $list->id );
+	} catch ( MC4WP_API_Exception $e ) {
+		continue;
+	}
+
+
+	foreach ( $interest_categories as $interest_category ) {
+
+		// compare interest title with grouping name, if it matches, get new id.
+		$grouping = _mc4wp_400_find_grouping_for_interest_category( $list->groupings, $interest_category );
+		if ( ! $grouping ) {
+			continue;
+		}
+
+		$groups = array();
+
+		try {
+			$interests = $api_v3->get_list_interest_category_interests( $list->id, $interest_category->id );
+		} catch ( MC4WP_API_Exception $e ) {
+			continue;
+		}
+
+		foreach ( $interests as $interest ) {
+			$group = _mc4wp_400_find_group_for_interest( $grouping->groups, $interest );
+
+			if ( $group ) {
+				$groups[ $group->id ]   = $interest->id;
+				$groups[ $group->name ] = $interest->id;
+			}
+		}
+
+		$map[ (string) $grouping->id ] = array(
+			'id'     => $interest_category->id,
+			'groups' => $groups,
+		);
+	}
+}
+
+
+if ( ! empty( $map ) ) {
+	update_option( 'mc4wp_groupings_map', $map );
+}