advagg_css_compress.install

<?php


/**
 * @file
 * Handles AdvAgg CSS compress installation and upgrade tasks.
 */

/**
 * @addtogroup hooks
 * @{
 */

/**
 * Implements hook_requirements().
 */
function advagg_css_compress_requirements($phase) {
    $requirements = array();
    // Ensure translations don't break at install time.
    $t = get_t();
    // If not at runtime, return here.
    if ($phase !== 'runtime') {
        return $requirements;
    }
    // Make sure a compressor is being used.
    if (variable_get('advagg_css_compressor', ADVAGG_CSS_COMPRESSOR) == 0 && variable_get('advagg_css_compress_inline', ADVAGG_CSS_COMPRESS_INLINE) == 0) {
        // Check all files.
        $file_settings = variable_get('advagg_css_compressor_file_settings', array());
        $compression_used = FALSE;
        foreach ($file_settings as $setting) {
            if (!empty($setting)) {
                $compression_used = TRUE;
                break;
            }
        }
        if (!$compression_used) {
            $config_path = advagg_admin_config_root_path();
            $requirements['advagg_css_compress_not_on'] = array(
                'title' => $t('AdvAgg CSS Compressor'),
                'severity' => REQUIREMENT_WARNING,
                'value' => $t('AdvAgg CSS Compression is disabled.'),
                'description' => $t('Go to the <a href="@settings">advagg css compress settings page</a> and select a compressor, or go to the <a href="@modules">modules page</a> and disable the "AdvAgg Compress CSS" module.', array(
                    '@settings' => url($config_path . '/advagg/css-compress'),
                    '@modules' => url('admin/modules', array(
                        'fragment' => 'edit-modules-advanced-cssjs-aggregation',
                    )),
                )),
            );
        }
    }
    // Check version.
    $lib_name = 'YUI-CSS-compressor-PHP-port';
    $module_name = 'advagg_css_compress';
    list($description, $info) = advagg_get_version_description($lib_name, $module_name);
    if (!empty($description)) {
        $requirements["{$module_name}_{$lib_name}_updates"] = array(
            'title' => $t('@module_name', array(
                '@module_name' => $info['name'],
            )),
            'severity' => REQUIREMENT_WARNING,
            'value' => $t('The @name library needs to be updated.', array(
                '@name' => $lib_name,
            )),
            'description' => $description,
        );
    }
    return $requirements;
}

/**
 * Upgrade AdvAgg CSS Compress versions (6.x-1.x and 7.x-1.x) to 7.x-2.x.
 */
function advagg_css_compress_update_7200(&$sandbox) {
    // Bail if old DB Table does not exist.
    if (!db_table_exists('cache_advagg_css_compress_inline')) {
        return t('Nothing needed to happen in AdvAgg CSS Compress.');
    }
    // Remove all old advagg css compress variables.
    db_delete('variable')->condition('name', 'advagg_css%compress%', 'LIKE')
        ->execute();
    // Remove old schema.
    db_drop_table('cache_advagg_css_compress_inline');
    return t('Upgraded AdvAgg CSS Compress to 7.x-2.x.');
}

/**
 * Change variable names so they are prefixed with the modules name.
 */
function advagg_css_compress_update_7201(&$sandbox) {
    // Rename advagg_css_inline_compressor to advagg_css_compress_inline.
    $old = variable_get('advagg_css_inline_compressor', NULL);
    if (!is_null($old)) {
        variable_del('advagg_css_inline_compressor');
    }
    if ($old !== ADVAGG_CSS_COMPRESS_INLINE) {
        variable_set('advagg_css_compress_inline', $old);
    }
    // Rename advagg_css_inline_compress_if_not_cacheable to
    // advagg_css_compress_inline_if_not_cacheable.
    $old = variable_get('advagg_css_inline_compress_if_not_cacheable', NULL);
    if (!is_null($old)) {
        variable_del('advagg_css_inline_compress_if_not_cacheable');
    }
    if ($old !== ADVAGG_CSS_COMPRESS_INLINE_IF_NOT_CACHEABLE) {
        variable_set('advagg_css_compress_inline_if_not_cacheable', $old);
    }
}

/**
 * Remove unused variables from the variable table.
 */
function advagg_css_compress_update_7202(&$sandbox) {
    // Remove all old advagg css compress variables.
    db_delete('variable')->condition('name', 'advagg_css_compressor_file_settings_%', 'LIKE')
        ->execute();
}

/**
 * @} End of "addtogroup hooks".
 */