function advagg_bundler_analysis in Advanced CSS/JS Aggregation 6
Same name and namespace in other branches
- 7.2 advagg_bundler/advagg_bundler.module \advagg_bundler_analysis()
- 7 advagg_bundler/advagg_bundler.module \advagg_bundler_analysis()
Given a filename return a bundle key.
Parameters
$filename: filename
$force: bypass the cache and get a fresh version of the analysis.
Return value
string to be used for the grouping key.
2 calls to advagg_bundler_analysis()
- advagg_bundler_admin_settings_form in advagg_bundler/
advagg_bundler.admin.inc - Form builder; Configure advagg settings.
- advagg_bundler_advagg_filenames_alter in advagg_bundler/
advagg_bundler.module - Implement hook_advagg_filenames_alter.
File
- advagg_bundler/
advagg_bundler.module, line 176 - Advanced aggregation bundler module.
Code
function advagg_bundler_analysis($filename = '', $force = FALSE) {
// Cache query in a static.
static $analysis = array();
if (empty($analysis)) {
// See if we have a cached version of this.
$count = db_result(db_query("SELECT COUNT(*) FROM {advagg_bundles} WHERE root=1"));
$cache = cache_get('advagg_bundler_analysis:' . $count);
if (empty($cache->data) || $force) {
// "Magic Query"; only needs to run once.
// Return a count of how many root bundles all files are used in. Count is
// padded with eight zeros so the count can be key sorted as a string
// without worrying about it getting put in the wrong order.
// Return the bundle_md5's value; we need something more unique than count
// when grouping together.
// Return the filename. Used for lookup.
// We join the advagg bundles and files together making sure to only use
// root bundles that have been used in the last 2 weeks. This prevents an
// old site structure from influencing new bundles.
// Grouping by the filename gives us the count and makes it so we don't
// return a lot of rows;
$result = db_query("\n SELECT\n count,\n bundle_md5,\n filename\n FROM (\n SELECT\n LPAD(COUNT(*), 8, '00000000') AS count,\n bundle_md5,\n filename_md5\n FROM\n {advagg_bundles}\n WHERE\n root = 1\n AND\n timestamp > %d\n GROUP BY\n filename_md5) AS ab\n INNER JOIN {advagg_files} AS af USING ( filename_md5 )\n ", time() - variable_get('advagg_bundler_outdated', ADVAGG_BUNDLER_OUTDATED));
// Save query into a static array with the filename as the key.
while ($row = db_fetch_array($result)) {
$analysis[$row['filename']] = $row['count'] . ' ' . $row['bundle_md5'];
}
// Invoke hook_advagg_bundler_analysis_alter() to give installed modules a
// chance to alter the analysis array.
drupal_alter('advagg_bundler_analysis', $analysis);
// Save results to the cache.
cache_set('advagg_bundler_analysis:' . $count, $analysis, 'cache', CACHE_TEMPORARY);
}
else {
$analysis = $cache->data;
}
}
// If no filename is given pass back then entire query results.
if (empty($filename)) {
return $analysis;
}
// Return a key to be used in groupings.
if (!empty($analysis[$filename])) {
return $analysis[$filename];
}
// We need to return a value that can be used as an array key if the query
// didn't give us anything.
return 0;
}