functions.php

<?php
function bigpicture_random_featured_records_html($recordType, $featuredRecords, $countStart)
{
    $html = '';
    $i = $countStart;

    if ($featuredRecords) {
        foreach ($featuredRecords as $featuredRecord) {
            $html .= get_view()->partial('common/featured.php', array('recordType' => $recordType, 'featuredRecord' => $featuredRecord, 'slideCount' => $i));
            $i++;
        }
    }
    
    if ($recordType == 'exhibit') {
        $html = apply_filters('exhibit_builder_display_random_featured_exhibit', $html);        
    }

    return $html;
}

function bigpicture_get_random_featured_records($recordType, $num = 0, $hasImage = true)
{
    return get_records($recordType, array('featured' => 1,
                                     'sort_field' => 'random',
                                     'hasImage' => $hasImage), $num);
}

function bigpicture_featured_html() {
    $recordTypes = ['Exhibit', 'Collection', 'Item'];

    $html = '';
    $countStart = 0;
    
    foreach ($recordTypes as $recordType) {
        if ($recordType == 'Exhibit' && plugin_is_active('ExhibitBuilder')) {
            continue;
        }

        $randomRecords = null;
        $randomRecords = bigpicture_get_random_featured_records($recordType);

        if ((get_theme_option("Display Featured $recordType") !== '0') && ($randomRecords !== null)) {
            $html .= bigpicture_random_featured_records_html(strtolower($recordType), $randomRecords, $countStart);
            $countStart = $countStart + count($randomRecords);
        }
    }
           
    return $html;
}

function bigpicture_check_for_featured_records() {
    $recordTypes = ['Exhibit', 'Collection', 'Item'];
    $featuredPresent = false;

    foreach ($recordTypes as $recordType) {
        if (get_theme_option('display_featured_' . strtolower($recordType)) == '1') {
            if ($recordType == 'Exhibit' && plugin_is_active('ExhibitBuilder')) {
                continue;
            }
            $randomRecords = bigpicture_get_random_featured_records($recordType);

            if (count($randomRecords) > 0) {
                $featuredPresent = true;
                break;
            }
        }
    }

    return $featuredPresent;
}

function bigpicture_get_square_thumbnail_url($file, $view) {
    if ($file->hasThumbnail()) {
        $squareThumbnail = file_display_url($file, 'square_thumbnail');
    } else {
        $mimeType = $file->mime_type;
        $fileType = (strpos($mimeType, 'image')) ? 'image' : 'video';
        $squareThumbnail = $view->baseUrl() . '/application/views/scripts/images/fallback-' . $fileType . '.png';
    }
    return $squareThumbnail;
}
?>