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[+] MO: modules can now have override classes installed automatically #PSCFV-2036 (thank to phrasespot)

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This commit is contained in:
rMalie
2012-05-11 12:41:30 +00:00
parent 71d1a1a053
commit 9faeff1faa
3 changed files with 157 additions and 8 deletions
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145
classes/module/Module.php
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@@ -206,6 +206,10 @@ abstract class ModuleCore
return false;
}
// Install overrides
if (!$this->installOverrides())
return false;
// Install module and retrieve the installation id
$result = Db::getInstance()->insert($this->table, array('name' => $this->name, 'active' => 1, 'version' => $this->version));
if (!$result)
@@ -468,6 +472,10 @@ abstract class ModuleCore
return false;
}
// Uninstall overrides
if (!$this->uninstallOverrides())
return false;
// Retrieve hooks used by the module
$sql = 'SELECT `id_hook` FROM `'._DB_PREFIX_.'hook_module` WHERE `id_module` = '.(int)$this->id;
$result = Db::getInstance()->executeS($sql);
@@ -1697,13 +1705,13 @@ abstract class ModuleCore
$result = Db::getInstance()->getRow('
SELECT `position`
FROM `'._DB_PREFIX_.'hook_module`
WHERE `id_hook` = '.(int)($id_hook).'
AND `id_module` = '.(int)($this->id).'
WHERE `id_hook` = '.(int)$id_hook.'
AND `id_module` = '.(int)$this->id.'
AND `id_shop` = '.(int)Context::getContext()->shop->id);
return $result['position'];
}
/**
* add a warning message to display at the top of the admin page
*
@@ -1727,5 +1735,134 @@ abstract class ModuleCore
return false;
$this->context->controller->informations[] = $msg;
}
/**
* Install overrides files for the module
*
* @return bool
*/
public function installOverrides()
{
if (!is_dir($this->getLocalPath().'override'))
return true;
$result = true;
foreach (Tools::scandir($this->getLocalPath().'override', 'php', '', true) as $file)
{
$class = basename($file, '.php');
if (Autoload::getInstance()->getClassPath($class.'Core'))
$result &= $this->addOverride($class);
}
return $result;
}
/**
* Uninstall overrides files for the module
*
* @return bool
*/
public function uninstallOverrides()
{
if (!is_dir($this->getLocalPath().'override'))
return true;
$result = true;
foreach (Tools::scandir($this->getLocalPath().'override', 'php', '', true) as $file)
{
$class = basename($file, '.php');
if (Autoload::getInstance()->getClassPath($class.'Core'))
$result &= $this->removeOverride($class);
}
return $result;
}
/**
* Add all methods in a module override to the override class
*
* @param string $classname
* @return bool
*/
public function addOverride($classname)
{
$path = Autoload::getInstance()->getClassPath($classname.'Core');
// Check if override file is writable
$override_path = _PS_ROOT_DIR_.'/'.Autoload::getInstance()->getClassPath($classname);
if (!is_writable($override_path))
return false;
// Make a reflection of the override class and the module override class
$override_file = file($override_path);
eval(preg_replace(array('#^\s*<\?php#', '#class\s+'.$classname.'\s+extends\s+([a-z0-9_]+)(\s+implements\s+([a-z0-9_]+))?#i'), array('', 'class '.$classname.'OverrideOriginal'), implode('', $override_file)));
$override_class = new ReflectionClass($classname.'OverrideOriginal');
$module_file = file($this->getLocalPath().'override/'.$path);
eval(preg_replace(array('#^\s*<\?php#', '#class\s+'.$classname.'(\s+extends\s+([a-z0-9_]+)(\s+implements\s+([a-z0-9_]+))?)?#i'), array('', 'class '.$classname.'Override'), implode('', $module_file)));
$module_class = new ReflectionClass($classname.'Override');
// Check if none of the methods already exists in the override class
foreach ($module_class->getMethods() as $method)
if ($override_class->hasMethod($method->name))
return false;
// Insert the methods from module override in override
$copy_from = array_slice($module_file, $module_class->getStartLine() + 1, $module_class->getEndLine() - $module_class->getStartLine() - 2);
array_splice($override_file, $override_class->getEndLine() - 1, 0, $copy_from);
$code = implode('', $override_file);
file_put_contents($override_path, $code);
return true;
}
/**
* Remove all methods in a module override from the override class
*
* @param string $classname
* @return bool
*/
public function removeOverride($classname)
{
$path = Autoload::getInstance()->getClassPath($classname.'Core');
// Check if override file is writable
$override_path = _PS_ROOT_DIR_.'/'.Autoload::getInstance()->getClassPath($classname);
if (!is_writable($override_path))
return false;
// Make a reflection of the override class and the module override class
$override_file = file($override_path);
eval(preg_replace(array('#^\s*<\?php#', '#class\s+'.$classname.'\s+extends\s+([a-z0-9_]+)(\s+implements\s+([a-z0-9_]+))?#i'), array('', 'class '.$classname.'OverrideOriginal_remove'), implode('', $override_file)));
$override_class = new ReflectionClass($classname.'OverrideOriginal_remove');
$module_file = file($this->getLocalPath().'override/'.$path);
eval(preg_replace(array('#^\s*<\?php#', '#class\s+'.$classname.'(\s+extends\s+([a-z0-9_]+)(\s+implements\s+([a-z0-9_]+))?)?#i'), array('', 'class '.$classname.'Override_remove'), implode('', $module_file)));
$module_class = new ReflectionClass($classname.'Override_remove');
// Remove methods from override file
$override_file = file($override_path);
foreach ($module_class->getMethods() as $method)
{
if (!$override_class->hasMethod($method->name))
continue;
$method = $override_class->getMethod($method->name);
$length = $method->getEndLine() - $method->getStartLine() + 1;
array_splice($override_file, $method->getStartLine() - 1, $length, array_pad(array(), $length, '#--remove--#'));
}
// Rewrite nice code
$code = '';
foreach ($override_file as $line)
{
if ($line == '#--remove--#')
continue;
$code .= $line;
}
file_put_contents($override_path, $code);
return true;
}
}