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feature 3076: Enhance plugin update system

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git-svn-id: http://piwigo.org/svn/trunk@28651 68402e56-0260-453c-a942-63ccdbb3a9ee
This commit is contained in:
mistic100 2014-06-09 17:20:43 +00:00
parent 3f1cd5643b
commit 6b7535498c
3 changed files with 103 additions and 109 deletions
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157
include/functions_plugins.inc.php
View file

@ -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);
}
}
}
}
}