advagg_bundler.advagg.inc

<?php


/**
 * @file
 * Advanced aggregation bundler module.
 */

/**
 * Implements hook_advagg_aggregate_grouping_alter().
 */
function advagg_bundler_advagg_aggregate_grouping_alter(&$groups, $type) {
    // If bundler is disabled then do not do any more processing.
    if (!advagg_bundler_enabled($type)) {
        return;
    }
    $config = \Drupal::config('advagg_bundler.settings');
    $max = $config->get('max_' . $type);
    $logic = $config->get($type . '_logic');
    if ($logic == 1) {
        $file_info = \Drupal::service('state.advagg.files');
    }
    $modifiable = [];
    $counter = 0;
    foreach ($groups as $key => $group) {
        if (isset($group['type'], $group['preprocess']) && $group['type'] == 'file' && $group['preprocess']) {
            $modifiable[$key] = $group;
            $modifiable[$key]['order'] = $key;
            if ($logic == 0) {
                $modifiable[$key]['counter'] = count($group['items']);
                $counter += count($group['items']);
            }
            elseif ($logic == 1) {
                $file_info = \Drupal::service('state.advagg.files');
                $modifiable[$key]['counter'] = 0;
                foreach ($modifiable[$key]['items'] as &$asset) {
                    $asset['counter'] = $file_info->get($asset['data'])['filesize'];
                    $counter += $asset['counter'];
                    $modifiable[$key]['counter'] += $asset['counter'];
                }
            }
        }
    }
    // If more bundles than $max return. $groups is already set to least
    // possible number of groups with current sort. Enabling sort external first
    // may help decrease number of bundles.
    if (count($modifiable) > $max || !$modifiable) {
        return;
    }
    $target_count = ceil($counter / $max);
    $final_groups = [];
    $bundles = 1;
    foreach ($groups as $key => $group) {
        if (!isset($modifiable[$key]) || $bundles == $max) {
            $final_groups[] = $group;
            continue;
        }
        $splits = round($modifiable[$key]['counter'] / $target_count);
        if ($splits < 2) {
            $final_groups[] = $group;
            $bundles++;
            continue;
        }
        if ($logic == 0) {
            $chunks = array_chunk($modifiable[$key]['items'], $target_count);
        }
        elseif ($logic == 1) {
            $target_size = $modifiable[$key]['counter'] / $splits;
            $chunks = [
                0 => [],
            ];
            $i = 0;
            $current_chunk_size = 0;
            foreach ($modifiable[$key]['items'] as $asset) {
                $current_chunk_size += $asset['counter'];
                $chunks[$i][] = $asset;
                if ($current_chunk_size > $target_size) {
                    $i++;
                    $chunks[$i] = [];
                    $current_chunk_size = 0;
                }
            }
        }
        foreach ($chunks as $chunk) {
            if (!$chunk) {
                continue;
            }
            $group['items'] = $chunk;
            $final_groups[] = $group;
            $bundles++;
        }
    }
    $groups = $final_groups;
}