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authormistic100 <mistic@piwigo.org>2014-06-09 17:20:43 +0000
committermistic100 <mistic@piwigo.org>2014-06-09 17:20:43 +0000
commit6b7535498cc9dd7645db5e781c7d32a6b4750cb1 (patch)
tree424d650eed92c78228947c217fd2d3215a6269f0 /include
parent3f1cd5643be14a4ce9df3b0c5dec9c18ddccbc8b (diff)
feature 3076: Enhance plugin update system
git-svn-id: http://piwigo.org/svn/trunk@28651 68402e56-0260-453c-a942-63ccdbb3a9ee
Diffstat (limited to '')
-rw-r--r--include/functions_plugins.inc.php157
1 files changed, 80 insertions, 77 deletions
diff --git a/include/functions_plugins.inc.php b/include/functions_plugins.inc.php
index 91e5ec9fe..0ba15be2b 100644
--- a/include/functions_plugins.inc.php
+++ b/include/functions_plugins.inc.php
@@ -35,7 +35,7 @@ define('EVENT_HANDLER_PRIORITY_NEUTRAL', 50);
/**
* Used to declare maintenance methods of a plugin.
*/
-class PluginMaintain
+class PluginMaintain
{
/** @var string $plugin_id */
protected $plugin_id;
@@ -65,46 +65,17 @@ class PluginMaintain
function uninstall() {}
/**
- * Tests if the plugin needs to be updated and call an update function
- *
- * @param string $version version exposed by the plugin (potentially new)
- * @param string $on_update name of a method to call when an update is needed
- * it receives the previous version as first parameter
+ * @param string $old_version
+ * @param string $new_version
+ * @param array &$errors - used to return error messages
*/
- function autoUpdate($version, $on_update=null)
- {
- global $pwg_loaded_plugins;
-
- $current_version = $pwg_loaded_plugins[$this->plugin_id]['version'];
-
- if ( $version == 'auto' or $current_version == 'auto'
- or safe_version_compare($current_version, $version, '<')
- )
- {
- if (!empty($on_update))
- {
- call_user_func(array(&$this, $on_update), $current_version);
- }
-
- if ($version != 'auto')
- {
- $query = '
-UPDATE '. PLUGINS_TABLE .'
- SET version = "'. $version .'"
- WHERE id = "'. $this->plugin_id .'"
-;';
- pwg_query($query);
-
- $pwg_loaded_plugins[$this->plugin_id]['version'] = $version;
- }
- }
- }
+ function update($old_version, $new_version, &$errors=array()) {}
}
/**
* Used to declare maintenance methods of a theme.
*/
-class ThemeMaintain
+class ThemeMaintain
{
/** @var string $theme_id */
protected $theme_id;
@@ -126,43 +97,6 @@ class ThemeMaintain
function deactivate() {}
function delete() {}
-
- /**
- * Tests if the theme needs to be updated and call an update function
- *
- * @param string $version version exposed by the theme (potentially new)
- * @param string $on_update name of a method to call when an update is needed
- * it receives the previous version as first parameter
- */
- function autoUpdate($version, $on_update=null)
- {
- $query = '
-SELECT version
- FROM '. THEMES_TABLE .'
- WHERE id = "'. $this->theme_id .'"
-;';
- list($current_version) = pwg_db_fetch_row(pwg_query($query));
-
- if ( $version == 'auto' or $current_version == 'auto'
- or safe_version_compare($current_version, $version, '<')
- )
- {
- if (!empty($on_update))
- {
- call_user_func(array(&$this, $on_update), $current_version);
- }
-
- if ($version != 'auto')
- {
- $query = '
-UPDATE '. THEMES_TABLE .'
- SET version = "'. $version .'"
- WHERE id = "'. $this->theme_id .'"
-;';
- pwg_query($query);
- }
- }
- }
}
@@ -250,7 +184,7 @@ function remove_event_handler($event, $func,
* @param string $event
* @param mixed $data data to transmit to all handlers
* @param mixed $args,... optional arguments
- * @return mixed $data
+ * @return mixed $data
*/
function trigger_change($event, $data=null)
{
@@ -399,23 +333,92 @@ SELECT * FROM '.PLUGINS_TABLE;
$query .= '
WHERE '. implode(' AND ', $clauses);
}
-
+
return query2array($query);
}
/**
- * Loads a plugin, it includes the main.inc.php file and updates _$pwg_loaded_plugins_.
+ * Loads a plugin in memory.
+ * It performs autoupdate, includes the main.inc.php file and updates *$pwg_loaded_plugins*.
*
* @param string $plugin
*/
function load_plugin($plugin)
{
$file_name = PHPWG_PLUGINS_PATH.$plugin['id'].'/main.inc.php';
- if ( file_exists($file_name) )
+ if (file_exists($file_name))
{
+ autoupdate_plugin($plugin);
global $pwg_loaded_plugins;
$pwg_loaded_plugins[ $plugin['id'] ] = $plugin;
- include_once( $file_name );
+ include_once($file_name);
+ }
+}
+
+/**
+ * Performs update task of a plugin.
+ * Autoupdate is only performed if the plugin has a maintain.class.php file.
+ *
+ * @since 2.7
+ *
+ * @param array &$plugin (id, version, state) will be updated if version changes
+ */
+function autoupdate_plugin(&$plugin)
+{
+ $maintain_file = PHPWG_PLUGINS_PATH.$plugin['id'].'/maintain.class.php';
+
+ // autoupdate is applicable only to plugins with 2.7 architecture
+ if (file_exists($maintain_file))
+ {
+ // try to find the filesystem version in lines 2 to 10 of main.inc.php
+ $fh = fopen(PHPWG_PLUGINS_PATH.$plugin['id'].'/main.inc.php', 'r');
+ $fs_version = null;
+ $i = -1;
+
+ while (($line = fgets($fh))!==false && $fs_version==null && $i<10)
+ {
+ $i++;
+ if ($i < 2) continue; // first lines are typically "<?php" and "/*"
+
+ if (preg_match('#Version: ([\\w.-]+)#', $line, $matches))
+ {
+ $fs_version = $matches[1];
+ }
+ }
+
+ fclose($fh);
+
+ if ($fs_version != null)
+ {
+ global $pwg_loaded_plugins, $page;
+
+ // if version is auto (dev) or superior
+ if (
+ $fs_version == 'auto' or $plugin['version'] == 'auto'
+ or safe_version_compare($plugin['version'], $fs_version, '<')
+ )
+ {
+ // call update method
+ include_once($maintain_file);
+
+ $classname = $plugin['id'].'_maintain';
+ $plugin_maintain = new $classname($plugin['id']);
+ $plugin_maintain->update($plugin['version'], $fs_version, $page['errors']);
+
+ $plugin['version'] = $fs_version;
+
+ // update database (only on production)
+ if ($plugin['version'] != 'auto')
+ {
+ $query = '
+UPDATE '. PLUGINS_TABLE .'
+ SET version = "'. $plugin['version'] .'"
+ WHERE id = "'. $plugin['id'] .'"
+;';
+ pwg_query($query);
+ }
+ }
+ }
}
}