<?php

define('MKBH_RSS_FEED_MODE_RANGE_LIMIT', 'mode_range_limit');
define('MKBH_RSS_FEED_MODE_RANGE_DATES', 'mode_range_dates');

/**
 * Get EntityFieldQuery template for RSS Feed.
 *
 * @param $bundles
 * @param string $mode
 *
 * @return \EntityFieldQuery
 */
function mkbh_rss_feed_mailchimp_feed_entity_field_query($bundles, $mode = MKBH_RSS_FEED_MODE_RANGE_LIMIT)
{
    $query = new EntityFieldQuery();

    if (!is_string($bundles)) {
        $bundles = [$bundles];
    }

    $query->entityCondition('entity_type', 'node')
        ->entityCondition('bundle', $bundles)
        ->propertyCondition('status', NODE_PUBLISHED)
        ->propertyOrderBy('created', 'DESC')
        ->propertyOrderBy('nid', 'DESC');

    if ($mode == MKBH_RSS_FEED_MODE_RANGE_LIMIT) {
        $query->range(0, 25);
    }

    if ($mode == MKBH_RSS_FEED_MODE_RANGE_DATES) {
        $query->propertyCondition('created', strtotime('now - 1 week'), '>=');
    }

    return $query;
}

/**
 * Load entities returned by EntityFieldQuery.
 *
 * @param $entityType
 * @param $result
 *
 * @return array
 */
function mkbh_rss_feed_mailchimp_feed_entity_field_query_entities($entityType, $result)
{
    if (isset($result[$entityType])) {
        $entityKeys = array_keys($result[$entityType]);
        return entity_load($entityType, $entityKeys);
    }

    return [];
}

/**
 * Load entities returned by EntityFieldQuery.
 *
 * @param \Drupal\mkbh_rss_feed\RSSFeed $RSSFeed
 * @param EntityFieldQuery $query
 *
 * @return array
 */
function mkbh_rss_feed_mailchimp_feed_entity_field_query_push_onto_feed(\Drupal\mkbh_rss_feed\RSSFeed &$RSSFeed, EntityFieldQuery $query, $entityType)
{
    $nodes = mkbh_rss_feed_mailchimp_feed_entity_field_query_entities($entityType, $query->execute());

    foreach ($nodes as $node) {
        $RSSFeed->pushNode($node);
    }
}