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Implement reverse generation of URLs

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This commit is contained in:
Kijin Sung 2020-06-13 01:38:45 +09:00
parent 522e3af8c1
commit 607de73a76
1 changed files with 137 additions and 5 deletions
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142
common/framework/router.php
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@ -22,6 +22,12 @@ class Router
'files/download/(?<file_srl>[0-9]+)/(?<file_key>[a-zA-Z0-9_-]+)/(?<filename>[^/]+)' => ['act' => 'procFileOutput'],
);
/**
* Internal cache for module actions.
*/
protected static $_action_cache_prefix = array();
protected static $_action_cache_module = array();
/**
* Return the currently configured rewrite level.
*
@ -83,12 +89,9 @@ class Router
$internal_url = $matches[2] ?? '';
// Find the module associated with this prefix.
$module_info = \ModuleModel::getModuleInfoByMid($prefix);
if ($module_info && $module_info->module)
$action_info = self::_getModuleActionInfo($prefix);
if ($action_info)
{
// Get module actions.
$action_info = \ModuleModel::getModuleActionXml($module_info->module);
// Try the list of routes defined by the module.
foreach ($action_info->route->{$method} as $regexp => $action)
{
@ -123,4 +126,133 @@ class Router
// If no pattern matches, return an empty array.
return array();
}
/**
* Create a URL for the given set of arguments.
*
* @param array $args
* @param int $rewrite_level
* @return string
*/
public static function getURLFromArguments(array $args, int $rewrite_level): string
{
// If rewrite is turned off, just create a query string.
if ($rewrite_level == 0)
{
return 'index.php?' . http_build_query($args);
}
// Cache the number of arguments and their keys.
$count = count($args);
$keys = array_keys($args);
// If there are no arguments, return the URL of the main page.
if ($count == 0)
{
return '';
}
// If there is only one argument, try either $mid or $document_srl.
if ($count == 1 && ($keys[0] === 'mid' || $keys[0] === 'document_srl'))
{
return urlencode($args[$keys[0]]);
}
// If $mid and $act exist, try routes defined in the module.
if (isset($args['mid']) && isset($args['act']))
{
// Check if $act has any routes defined.
$action_info = self::_getModuleActionInfo($args['mid']);
$action = $action_info->action->{$args['act']};
if ($action->route)
{
// Remove $mid and $act from arguments and work with the remainder.
$remaining_args = array_diff_key($args, ['mid' => 'mid', 'act' => 'act']);
// If the action only has one route, select it.
if (count($action->route) == 1)
{
$selected_route = key($action->route);
}
// If the action has multiple routes, select the one that matches the most arguments.
else
{
// Order the routes by the number of matched arguments.
$reordered_routes = array();
foreach ($action->route as $route => $route_vars)
{
$matched_arguments = array_intersect_key(array_combine($route_vars, $route_vars), $remaining_args);
if (count($matched_arguments) === count($route_vars))
{
$reordered_routes[$route] = count($matched_arguments);
}
}
arsort($reordered_routes);
$selected_route = array_first_key($reordered_routes);
}
// Replace variable placeholders with actual variable values.
$replaced_route = preg_replace_callback('#\\$([a-zA-Z0-9_]+)(?::[a-z]+)?#i', function($match) use(&$remaining_args) {
if (isset($remaining_args[$match[1]]))
{
$replacement = urlencode($remaining_args[$match[1]]);
unset($remaining_args[$match[1]]);
return $replacement;
}
else
{
return $match[0];
}
}, $selected_route);
// Add a query string for the remaining arguments.
return $replaced_route . (count($remaining_args) ? ('?' . http_build_query($remaining_args)) : '');
}
}
// If no route matches, just create a query string.
return 'index.php?' . http_build_query($args);
}
/**
* Load and cache module action info.
*
* @param string $prefix
* @return object
*/
protected static function _getModuleActionInfo($prefix)
{
if (isset(self::$_action_cache_prefix[$prefix]))
{
if (self::$_action_cache_prefix[$prefix] && isset(self::$_action_cache_module[self::$_action_cache_prefix[$prefix]]))
{
return self::$_action_cache_module[self::$_action_cache_prefix[$prefix]];
}
else
{
return false;
}
}
$module_info = \ModuleModel::getModuleInfoByMid($prefix);
if ($module_info && $module_info->module)
{
self::$_action_cache_prefix[$prefix] = $module_info->module;
if (isset(self::$_action_cache_module[$module_info->module]))
{
return self::$_action_cache_module[$module_info->module];
}
else
{
$action_info = \ModuleModel::getModuleActionXml($module_info->module);
return self::$_action_cache_module[$module_info->module] = $action_info;
}
}
else
{
self::$_action_cache_prefix[$prefix] = false;
return false;
}
}
}