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plugin-update-checker
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Initial support for translation updates / language packs. Needs polishing and testing.

This commit is contained in:
Yahnis Elsts 2016-04-19 13:56:54 +03:00
parent 026fb99eef
commit 2c6bfc6309
1 changed files with 118 additions and 3 deletions
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121
plugin-update-checker.php
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@ -100,9 +100,10 @@ class PluginUpdateChecker_3_0 {
//Override requests for plugin information
add_filter('plugins_api', array($this, 'injectInfo'), 20, 3);
//Insert our update info into the update array maintained by WP
//Insert our update info into the update array maintained by WP.
add_filter('site_transient_update_plugins', array($this,'injectUpdate')); //WP 3.0+
add_filter('transient_update_plugins', array($this,'injectUpdate')); //WP 2.8+
add_filter('site_transient_update_plugins', array($this, 'injectTranslationUpdates'));
add_filter('plugin_row_meta', array($this, 'addCheckForUpdatesLink'), 10, 2);
add_action('admin_init', array($this, 'handleManualCheck'));
@ -111,6 +112,10 @@ class PluginUpdateChecker_3_0 {
//Clear the version number cache when something - anything - is upgraded or WP clears the update cache.
add_filter('upgrader_post_install', array($this, 'clearCachedVersion'));
add_action('delete_site_transient_update_plugins', array($this, 'clearCachedVersion'));
//Clear translation updates when WP clears the update cache.
//This needs to be done directly because the library doesn't actually remove obsolete plugin updates,
//it just hides them (see getUpdate()). We can't do that with translations - too much disk I/O.
add_action('delete_site_transient_update_plugins', array($this, 'clearCachedTranslationUpdates'));
if ( did_action('plugins_loaded') ) {
$this->initDebugBarPanel();
@ -252,7 +257,35 @@ class PluginUpdateChecker_3_0 {
if ( $pluginInfo == null ){
return null;
}
return PluginUpdate_3_0::fromPluginInfo($pluginInfo);
$update = PluginUpdate_3_0::fromPluginInfo($pluginInfo);
//Remove translation updates that don't apply to this site.
$languages = array_flip(array_values(get_available_languages()));
$installedTranslations = wp_get_installed_translations('plugins');
if ( isset($installedTranslations[$this->slug]) ) {
$installedTranslations = $installedTranslations[$this->slug];
} else {
$installedTranslations = array();
}
$applicableTranslations = array();
foreach($update->translations as $translation) {
//Does it match one of the available core languages?
$isApplicable = array_key_exists($translation->language, $languages);
//Is it more recent than an already-installed translation?
if ( isset($installedTranslations[$translation->language]) ) {
$updateTimestamp = strtotime($translation->updated);
$installedTimestamp = strtotime($installedTranslations[$translation->language]['PO-Revision-Date']);
$isApplicable = $updateTimestamp > $installedTimestamp;
}
if ( $isApplicable ) {
$applicableTranslations[] = $translation;
}
}
$update->translations = $applicableTranslations;
return $update;
}
/**
@ -477,6 +510,58 @@ class PluginUpdateChecker_3_0 {
return $updates;
}
/**
* Insert translation updates into the list maintained by WordPress.
*
* @param stdClass $updates
* @return stdClass
*/
public function injectTranslationUpdates($updates) {
$translationUpdates = $this->getTranslationUpdates();
if ( empty($translationUpdates) ) {
return $updates;
}
//Being defensive.
if ( !is_object($updates) ) {
$updates = new stdClass();
}
if ( !isset($updates->translations) ) {
$updates->translations = array();
}
//In case there's a name collision with a plugin hosted on wordpress.org,
//remove any preexisting updates that match our plugin.
$translationType = 'plugin';
$filteredTranslations = array();
foreach($updates->translations as $translation) {
if ( ($translation['type'] === $translationType) && ($translation['slug'] === $this->slug) ) {
continue;
}
$filteredTranslations[] = $translation;
}
$updates->translations = $filteredTranslations;
//Add our updates to the list.
foreach($translationUpdates as $update) {
$convertedUpdate = array_merge(
array(
'type' => $translationType,
'slug' => $this->slug,
'autoupdate' => 0,
//AFAICT, WordPress doesn't actually use the "version" field for anything.
//But lets make sure it's there, just in case.
'version' => isset($update->version) ? $update->version : ('1.' . strtotime($update->updated)),
),
(array)$update
);
$updates->translations[] = $convertedUpdate;
}
return $updates;
}
/**
* Rename the update directory to match the existing plugin directory.
*
@ -607,6 +692,33 @@ class PluginUpdateChecker_3_0 {
return null;
}
/**
* Get a list of available translation updates.
*
* This method will return an empty array if there are no updates.
* Uses cached update data.
*
* @return array
*/
public function getTranslationUpdates() {
$state = $this->getUpdateState();
if ( isset($state, $state->update, $state->update->translations) ) {
return $state->update->translations;
}
return array();
}
/**
* Remove all cached translation updates.
*/
public function clearCachedTranslationUpdates() {
$state = $this->getUpdateState();
if ( isset($state, $state->update, $state->update->translations) ) {
$state->update->translations = array();
$this->setUpdateState($state);
}
}
/**
* Add a "Check for updates" link to the plugin row in the "Plugins" page. By default,
* the new link will appear after the "Visit plugin site" link.
@ -844,6 +956,7 @@ class PluginInfo_3_0 {
public $homepage;
public $sections = array();
public $banners;
public $translations = array();
public $download_url;
public $author;
@ -984,11 +1097,13 @@ class PluginUpdate_3_0 {
public $download_url;
public $upgrade_notice;
public $tested;
public $translations = array();
public $filename; //Plugin filename relative to the plugins directory.
private static $fields = array(
'id', 'slug', 'version', 'homepage', 'tested',
'download_url', 'upgrade_notice', 'filename'
'download_url', 'upgrade_notice', 'filename',
'translations'
);
/**