praiadeseselle/wire/modules/LanguageSupport/LanguageSupportPageNames.module

1506 lines
46 KiB
Text
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<?php namespace ProcessWire;
/**
* Multi-language support page names module
*
* ProcessWire 3.x, Copyright 2022 by Ryan Cramer
* https://processwire.com
*
* @property int $moduleVersion
* @property int $inheritInactive
* @property int $useHomeSegment
* @property int $redirect404
*
* @method bool|string|array pageNotAvailableInLanguage(Page $page, Language $language)
*
*/
class LanguageSupportPageNames extends WireData implements Module, ConfigurableModule {
/**
* Return information about the module
*
*/
static public function getModuleInfo() {
return array(
'title' => 'Languages Support - Page Names',
'version' => 13,
'summary' => 'Required to use multi-language page names.',
'author' => 'Ryan Cramer',
'autoload' => true,
'singular' => true,
'requires' => array(
'LanguageSupport',
'LanguageSupportFields'
)
);
}
/**
* The path that was requested, before processing
*
*/
protected $requestPath = '';
/**
* Language that should be set for this request
*
*/
protected $setLanguage = null;
/**
* Whether to force a 404 when ProcessPageView runs
*
*/
protected $force404 = null;
/**
* Whether to bypass the functions provided by this module (like for a secure pagefile request)
*
*/
protected $bypass = false;
/**
* Default configuration data
*
*/
static protected $defaultConfigData = array(
/**
* module version, for schema changes when necessary
*
*/
'moduleVersion' => 0,
/**
* Whether an 'inactive' state (status123=0) should inherit to children
*
* Note: we don't have a reasonable way to make this work with PageFinder queries,
* so it is not anything more than a placeholder at present.
*
*/
'inheritInactive' => 0,
/**
* Whether or not the default language homepage should be served by a language segment.
*
*/
'useHomeSegment' => 0,
/**
* Redirect rather than throwing 404 when page not available in particular language?
*
* - 200 to allow it to be rendered anyway.
* - 301 when it should do a permanent redirect.
* - 302 when it should do a temporary redirect.
* - 404 (or 0) if it should proceed with throwing 404.
*
*/
'redirect404' => 0,
);
/**
* Populate default config data
*
*/
public function __construct() {
$this->setArray(self::$defaultConfigData);
parent::__construct();
}
/**
* Initialize the module and init hooks
*
*/
public function init() {
$languages = $this->wire()->languages;
$config = $this->wire()->config;
$fields = $this->wire()->fields;
$pageNumUrlPrefixes = array();
$this->addHookBefore('ProcessPageView::execute', $this, 'hookProcessPageViewExecute');
$this->addHookAfter('PagesRequest::getPage', $this, 'hookAfterPagesRequestGetPage');
$this->addHookAfter('PageFinder::getQuery', $this, 'hookPageFinderGetQuery');
// identify the pageNum URL prefixes for each language
foreach($languages as $language) {
$pageNumUrlPrefix = $this->get("pageNumUrlPrefix$language");
if($pageNumUrlPrefix) $pageNumUrlPrefixes[$language->name] = $pageNumUrlPrefix;
// prevent user from creating fields with these names:
$fields->setNative("name$language");
$fields->setNative("status$language");
}
// tell ProcessPageView which segments are allowed for pagination
if(count($pageNumUrlPrefixes)) {
if(empty($pageNumUrlPrefixes['default'])) {
$pageNumUrlPrefixes['default'] = $config->pageNumUrlPrefix; // original/fallback prefix
} else if(!in_array($config->pageNumUrlPrefix, $pageNumUrlPrefixes)) {
// if default prefix is also overridden then add it as an extra one allowed in admin
$url = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '';
if($url && strpos($url, $config->urls->admin) === 0) {
$key = 0; // PagesPathFinder maps non-string language names to default language
$pageNumUrlPrefixes[$key] = $config->pageNumUrlPrefix; // original prefix
}
}
$config->set('pageNumUrlPrefixes', $pageNumUrlPrefixes);
}
}
/**
* API ready: attach hooks
*
*/
public function ready() {
$this->checkModuleVersion();
$this->addHookAfter('Page::path', $this, 'hookPagePath');
$this->addHookAfter('Page::viewable', $this, 'hookPageViewable');
$this->addHookBefore('Page::render', $this, 'hookPageRender');
$this->addHook('Page::localName', $this, 'hookPageLocalName');
$this->addHook('Page::localUrl', $this, 'hookPageLocalUrl');
$this->addHook('Page::localHttpUrl', $this, 'hookPageLocalHttpUrl');
$this->addHook('Page::localPath', $this, 'hookPageLocalPath');
// bypass means the request was to something in /site/*/ that has no possibilty of language support
// note that the hooks above are added before this so that 404s can still be handled properly
if($this->bypass) return;
// verify that page path doesn't have mixed languages where it shouldn't
// @todo this can be replaced since logic is now in PagesRequest/PagesPathFinder
/*
$session = $this->wire()->session;
$redirectUrl = $this->verifyPath($this->requestPath);
if($redirectUrl) {
// verifyPath says we should redirect to a different URL
if(is_array($redirectUrl)) {
list($code, $redirectUrl) = $redirectUrl;
$session->redirect($redirectUrl, (int) $code);
} else {
$session->redirect($redirectUrl);
}
return;
}
*/
$language = $this->wire()->user->language;
$pages = $this->wire()->pages;
$page = $this->wire()->page;
$process = $page ? $page->process : null;
$pageNumUrlPrefix = (string) $this->get("pageNumUrlPrefix$language");
if($process && $page->template->name === 'admin' && in_array('WirePageEditor', wireClassImplements($process))) {
// when in admin, add inputs for each language's page name
if(!in_array('ProcessPageType', wireClassParents($process))) {
$page->addHookBefore('WirePageEditor::execute', $this, 'hookWirePageEditorExecute');
$this->addHookAfter('InputfieldPageName::render', $this, 'hookInputfieldPageNameRenderAfter');
$this->addHookAfter('InputfieldPageName::processInput', $this, 'hookInputfieldPageNameProcess');
}
}
$this->addHookBefore('LanguageSupportFields::languageDeleted', $this, 'hookLanguageDeleted');
$this->addHookBefore('LanguageSupportFields::languageAdded', $this, 'hookLanguageAdded');
$pages->addHookAfter('saveReady', $this, 'hookPageSaveReady');
$pages->addHookAfter('saved', $this, 'hookPageSaved');
$pages->addHookAfter('setupNew', $this, 'hookPageSetupNew');
if(strlen($pageNumUrlPrefix)) {
$config = $this->wire()->config;
if(!$config->admin) {
$config->set('_pageNumUrlPrefix', $config->pageNumUrlPrefix); // original/backup url prefix
$config->pageNumUrlPrefix = $pageNumUrlPrefix;
}
}
}
/**
* Is the given path a site assets path? (i.e. /site/)
*
* Determines whether this is a path we should attempt to perform any language processing on.
*
* @param string $path
* @return bool
*
*/
protected function isAssetPath($path) {
$config = $this->wire()->config;
// determine if this is a asset request, for compatibility with pagefileSecure
$segments = explode('/', trim($config->urls->assets, '/')); // start with [subdir]/site/assets
array_pop($segments); // pop off /assets, reduce to [subdir]/site
$sitePath = '/' . implode('/', $segments) . '/'; // combine to [/subdir]/site/
$sitePath = str_replace($config->urls->root, '', $sitePath); // remove possible subdir, reduce to: site/
// if it is a request to assets, then don't attempt to modify it
$sitePath = rtrim($sitePath, '/') . '/';
$path = rtrim($path, '/') . '/';
return strpos($path, $sitePath) === 0;
}
/**
* Given a page path, return an updated version that lacks the language segment
*
* It extracts the language segment and uses that to later set the language
*
* @param string $path
* @return string
*
*/
public function removeLanguageSegment($path) {
if($path === '/' || !strlen($path)) return $path;
$trailingSlash = substr($path, -1) == '/';
$testPath = trim($path, '/') . '/';
$segments = $this->wire()->pages->pathFinder()->languageSegments();
foreach($segments as /* $languageId => */ $segment) {
if(!strlen("$segment")) continue;
$name = "$segment/";
if(strpos($testPath, $name) !== 0) continue;
$path = substr($testPath, strlen($name));
break;
}
/*
foreach($languages as $language) {
$name = $language->isDefault() ? $home->get("name") : $home->get("name$language");
if($name == Pages::defaultRootName) continue;
if(!strlen($name)) continue;
$name = "$name/";
if(strpos($testPath, $name) === 0) {
// $this->setLanguage = $language;
$path = substr($testPath, strlen($name));
}
}
*/
if(!$trailingSlash && $path != '/') {
$path = rtrim($path, '/');
}
return '/' . ltrim($path, '/');
}
/**
* @param string $path
* @return string
* @deprecated use removeLanguageSegment instead
*
*/
public function updatePath($path) {
return $this->removeLanguageSegment($path);
}
/**
* Determine language from requested path, and if a redirect needs to be performed
*
* Sets the user's language to that determined from the URL.
*
* @param string $requestPath
* @return string|array $redirectURL Returns one of hte following:
* - String with URL to be redirected to.
* - Array for redirect URL with redirect type, i.e. [ 302, '/path/to/redirect/to/' ]
* - Blank string when no redirect should occur.
*
* @todo this can be replaced/removed since logic is now in PagesRequest/PagesPathFinder
*
protected function verifyPath($requestPath) {
$languages = $this->wire()->languages;
$page = $this->wire()->page;
$user = $this->wire()->user;
$config = $this->wire()->config;
$input = $this->wire()->input;
if(!count($languages)) return '';
if($page->template->name === 'admin') return '';
$requestedParts = explode('/', $requestPath);
$parentsAndPage = $page->parents()->getArray();
$parentsAndPage[] = $page;
array_shift($parentsAndPage); // shift off the homepage
$redirectURL = '';
$setLanguage = $this->setLanguage;
// determine if we should set the current language based on requested URL
if(!$setLanguage) {
foreach($parentsAndPage as $p) {
$requestedPart = strtolower(array_shift($requestedParts));
if($requestedPart === $p->name) continue;
foreach($languages as $language) {
if($language->isDefault()) {
$name = $p->get("name");
} else {
$name = $p->get("name$language");
}
if($name === $requestedPart) {
$setLanguage = $language;
}
}
}
}
// check to see if the $page or any of its parents has an inactive status for the $setLanguage
if($setLanguage && !$setLanguage->isDefault()) {
$active = true;
if($this->inheritInactive) {
// inactive status on a parent inherits through to children
foreach($parentsAndPage as $p) {
$status = $p->get("status$setLanguage");
if(!$status) $active = false;
}
} else {
// inactive status only applies to the page itself
$active = $page->get("status$setLanguage") > 0;
// https://github.com/processwire/processwire-issues/issues/463
// $active = $page->get("status$setLanguage") > 0 || $page->template->noLang;
}
// if page is inactive for a language, and it's not editable, send a 404
if(!$active) {
$response = $this->pageNotAvailableInLanguage($page, $setLanguage);
if($response === false) {
// throw a 404
$this->force404 = true;
return '';
} else if($response === true) {
// render it
} else if($response && (is_string($response) || is_array($response))) {
// response contains redirect URL string or [ 302, 'url' ]
return $response;
}
}
}
// set the language
if(!$setLanguage) $setLanguage = $languages->getDefault();
$user->setLanguage($setLanguage);
$this->setLanguage = $setLanguage;
$languages->setLocale();
// if $page is the 404 page, exit out now
if($page->id == $config->http404PageID) return '';
// determine if requested URL was correct or if we need to redirect
$hasSlashURL = substr($requestPath, -1) == '/';
$useSlashURL = (bool) $page->template->slashUrls;
$expectedPath = trim($this->getPagePath($page, $user->language), '/');
$requestPath = trim($requestPath, '/');
$pageNum = $input->pageNum();
$urlSegmentStr = $input->urlSegmentStr();
// URL segments
if(strlen($urlSegmentStr)) {
$expectedPath .= '/' . $urlSegmentStr;
$useSlashURL = $hasSlashURL;
}
// page numbers
if($pageNum > 1) {
$prefix = $this->get("pageNumUrlPrefix$user->language");
if(empty($prefix)) $prefix = $config->pageNumUrlPrefix;
$expectedPath .= (strlen($expectedPath) ? "/" : "") . "$prefix$pageNum";
$useSlashURL = false;
}
$expectedPathLength = strlen($expectedPath);
if($expectedPathLength) {
$requestPath = substr($requestPath, 0, $expectedPathLength);
}
if(trim($expectedPath, '/') != trim($requestPath, '/')) {
if($expectedPathLength && $useSlashURL) $expectedPath .= '/';
$redirectURL = $config->urls->root . ltrim($expectedPath, '/');
} else if($useSlashURL && !$hasSlashURL && strlen($expectedPath)) {
$redirectURL = $config->urls->root . $expectedPath . '/';
} else if(!$useSlashURL && $hasSlashURL && $pageNum == 1) {
$redirectURL = $config->urls->root . $expectedPath;
}
return $redirectURL;
}
*/
/**
* Set the request language
*
* @param Language|null $language
*
*/
public function setLanguage(Language $language = null) {
$languages = $this->wire()->languages;
if(!$language) $language = $languages->getDefault();
$this->setLanguage = $language;
$this->wire()->user->setLanguage($language);
$languages->setLocale();
}
/**
* Called when page is not available in a given language
*
* Hook this method to change the behavior of what happens when a Page is requested in
* a language that it is not marked as active in.
*
* - Return boolean `true` if it should render the page anyway (like for editing user).
* - Return boolean `false` if it should throw a “404 Page Not Found”.
* - Return string containing URL like `/some/url/` if it should redirect to given URL.
* - Return array `[ 302, '/some/url/' ]` if it should do a 302 “temporary” redirect to URL.
* - Return array `[ 301, '/some/url/' ]` if it should do a 301 “permanent” redirect to URL.
*
* #pw-hooker
*
* @param Page $page
* @param Language $language
* @return bool|array
* @since 3.0.186
*
*/
public function ___pageNotAvailableInLanguage(Page $page, Language $language) {
if($page->editable()) return true;
if($page->id == $this->wire()->config->http404PageID) return true;
$redirect404 = (int) $this->redirect404;
if(!$redirect404 || $redirect404 === 404 || $language->isDefault()) return false;
$default = $this->wire()->languages->getDefault();
if(!$page->viewable($default)) return false;
if($redirect404 === 200) return true;
$url = $this->getPageUrl($page, $default);
if($redirect404 === 302 || $redirect404 === 301) return array($redirect404, $url);
return false;
}
/**
* Given a page and language, return the URL to the page in that language
*
* @param Page $page
* @param Language $language
* @return string
* @since 3.0.187
*
*/
public function getPageUrl(Page $page, Language $language) {
$path = $this->getPagePath($page, $language);
return $this->wire()->config->urls->root . ltrim($path, '/');
}
/**
* Given a page and language, return the path to the page in that language
*
* @param Page $page
* @param Language $language
* @return string
*
*/
public function getPagePath(Page $page, Language $language) {
$isDefault = $language->isDefault();
$template = $page->template;
if($template) {
if(!$isDefault && $template->noLang) {
$language = $this->wire()->languages->getDefault();
$isDefault = true;
}
}
if($page->id === 1) {
// special case: homepage
$name = $isDefault ? '' : $page->get("name$language");
if($isDefault && $this->useHomeSegment) $name = $page->name;
if($name == Pages::defaultRootName || $name === null || !strlen($name)) return '/';
return $template->slashUrls ? "/$name/" : "/$name";
}
$path = '';
foreach($page->parents() as $parent) {
$name = $isDefault ? $parent->get("name") : $parent->get("name$language|name");
if($parent->id === 1) {
// bypass ProcessWire's default homepage name of 'home', as we don't want it in URLs
if($name == Pages::defaultRootName) continue;
// avoid having default language name inherited at homepage level
// if($isDefault && $name === $parent->get("name")) continue;
}
if(strlen("$name")) $path .= "/" . $name;
}
$name = (string) $page->get("name$language|name");
$path = strlen($name) ? "$path/$name/" : "$path/";
if(!$template->slashUrls && $path != '/') $path = rtrim($path, '/');
return $path;
}
/**
* Hook in before PagesRequest::getPage to capture and modify request path as needed
*
* @param HookEvent $event
* @since 3.0.186
* @todo this can be replaced with an after() hook as PagesRequest can figure out language on its own now
*
public function hookBeforePagesRequestGetPage(HookEvent $event) {
if($this->requestPath) return; // execute only once
$request = $event->object;
$requestPath = $request->getRequestPath();
$this->requestPath = $requestPath;
if($this->isAssetPath($requestPath)) {
// bypass means the request was to something in /site/
// that has no possibilty of language support
$this->bypass = true;
} else {
// update path to remove language prefix
$requestPath = $this->updatePath($requestPath);
// determine if the update changed the request path
if($requestPath != $this->requestPath) {
// update /es/path/to/page to /path/to/page
// so that is recognized by PagesRequest
$request->setRequestPath($requestPath);
}
}
$event->removeHook($event);
}
*/
/**
* Hook in after PagesRequest::getPage
*
* @param HookEvent $event
* @since 3.0.186
*
*/
public function hookAfterPagesRequestGetPage(HookEvent $event) {
$request = $event->object; /** @var PagesRequest $request */
$this->requestPath = $request->getRequestPath();
$languageName = $request->getLanguageName();
if($this->isAssetPath($this->requestPath)) {
// bypass means the request was to something in /site/...
// that has no possibilty of language support
$this->bypass = true;
} else if($languageName) {
$config = $this->wire()->config;
$page = $event->return; /** @var Page $page */
$user = $this->wire()->user;
$admin = $page && $page->id && in_array($page->template->name, $config->adminTemplates);
if($admin && $user && $user->isLoggedin()) {
// keep users configured language setting
} else {
$language = $this->wire()->languages->get($languageName);
if($language && $language->id) $this->setLanguage($language);
}
}
$event->removeHook($event);
}
/**
* Hook in before ProcesssPageView::execute
*
* @param HookEvent $event
*
*/
public function hookProcessPageViewExecute(HookEvent $event) {
/** @var ProcessPageView $process */
$process = $event->object;
// tell it to delay redirects until after the $page API var is known/populated
// this ensures our hook before PagesRequest::getPage() will always be called
$process->setDelayRedirects(true);
}
/**
* Hook in before ProcesssPageView::render to throw 404 when appropriate
*
* @param HookEvent $event
* @throws WireException
*
*/
public function hookPageRender(HookEvent $event) {
if($this->force404) {
$this->force404 = false; // prevent another 404 on the 404 page
throw new Wire404Exception('Not available in requested language', Wire404Exception::codeLanguage);
}
}
/**
* Hook in after ProcesssPageView::viewable account for specific language versions
*
* May be passed a Language name or page to check viewable for that language
*
* @param HookEvent $event
*
*/
public function hookPageViewable(HookEvent $event) {
// if page was already determined not viewable then do nothing further
if(!$event->return) return;
$page = $event->object; /** @var Page $page */
$language = $event->arguments(0); /** @var Language|Field|Pagefile|string|bool $language */
if(!$language) return;
if(is_string($language)) {
// can be a language name or a field name (we only want language name)
$language = $this->wire()->sanitizer->pageNameUTF8($language);
$language = strlen($language) ? $this->wire()->languages->get($language) : null;
}
// some other non-language argument was sent to Page::viewable()
if(!$language instanceof Language) return;
// we accept the result of the original viewable() call for default language
if($language->isDefault()) return;
$status = (int) $page->get("status$language");
$event->return = $status > 0 && $status < Page::statusUnpublished;
}
/**
* Hook into WirePageEditor (i.e. ProcessPageEdit) to remove the non-applicable default home name of 'home'
*
* @param HookEvent $event
*
*/
public function hookWirePageEditorExecute(HookEvent $event) {
/** @var WirePageEditor $editor */
$editor = $event->object;
$page = $editor->getPage();
// filter out everything but homepage (id=1)
if(!$page || !$page->id || $page->id > 1) return;
// if homepage has the defaultRootName then make the name blank
if($page->name == Pages::defaultRootName) $page->name = '';
}
/**
* Hook into the page name render for when in ProcessPageEdit
*
* Adds additional inputs for each language
*
* @param HookEvent $event
*
*/
public function hookInputfieldPageNameRenderAfter(HookEvent $event) {
/** @var InputfieldPageName $inputfield */
$inputfield = $event->object;
if($inputfield->languageSupportLabel) return; // prevent recursion
$process = $this->process;
$page = $process instanceof WirePageEditor ? $process->getPage() : new NullPage();
if(!$page->id && $inputfield->editPage) $page = $inputfield->editPage;
$template = $page->template ? $page->template : null;
if($template && $template->noLang) return;
$user = $this->wire()->user;
$languages = $this->wire()->languages;
$savedLanguage = $user->language;
$savedValue = $inputfield->attr('value');
$savedName = $inputfield->attr('name');
$savedID = $inputfield->attr('id');
$trackChanges = $inputfield->trackChanges();
$inputfield->setTrackChanges(false);
$checkboxLabel = $this->_('Active?');
$out = '';
$language = $languages->getDefault();
$user->setLanguage($language);
$inputfield->languageSupportLabel = $language->get('title|name');
$out .= $inputfield->render();
$editable = true;
if($page->id && !$page->editable('name', false)) $editable = false;
// add labels and inputs for other languages
foreach($languages as $language) {
/** @var Language $language */
if($language->isDefault()) continue;
$user->setLanguage($language);
$value = $page->get("name$language");
if(is_null($value)) $value = $savedValue;
$id = "$savedID$language";
$name = "$savedName$language";
$label = $language->get('title|name');
$inputfield->languageSupportLabel = $label;
$inputfield->attr('id', $id);
$inputfield->attr('name', $name);
$inputfield->attr('value', $value);
$inputfield->checkboxName = "status" . $language->id;
$inputfield->checkboxValue = 1;
$inputfield->checkboxLabel = $checkboxLabel;
if($page->id > 0) {
$inputfield->checkboxChecked = $page->get($inputfield->checkboxName) > 0;
} else if($inputfield->parentPage) {
$inputfield->checkboxChecked = $inputfield->parentPage->get($inputfield->checkboxName) > 0;
}
if(!$editable) $inputfield->attr('disabled', 'disabled');
$out .= $inputfield->render();
}
// restore language that was saved in the 'before' hook
$user->setLanguage($savedLanguage);
// restore Inputfield values back to what they were
$inputfield->attr('name', $savedName);
$inputfield->attr('savedID', $savedID);
$inputfield->attr('value', $savedValue);
$inputfield->setTrackChanges($trackChanges);
$event->return = $out;
}
/**
* Process the input data from hookInputfieldPageNameRender
*
* @todo Just move this to the InputfieldPageName module rather than using hooks
*
* @param HookEvent $event
*
*/
public function hookInputfieldPageNameProcess(HookEvent $event) {
$inputfield = $event->object; /** @var InputfieldPageName $inputfield */
$process = $this->process; /** @var WirePageEditor $process */
$page = $process instanceof WirePageEditor ? $process->getPage() : new NullPage(); /** @var Page $page */
if($page->id && !$page->editable('name', false)) return; // name is not editable
$input = $event->arguments[0]; /** @var WireInputData $input */
$languages = $this->wire()->languages;
$sanitizer = $this->wire()->sanitizer;
foreach($languages as $language) {
/** @var Language $language */
if($language->isDefault()) continue;
if(!$languages->editable($language)) continue;
// set language status
$key = "status" . (int) $language->id;
$value = (int) $input->{"$key$inputfield->checkboxSuffix"};
if($page->get($key) != $value) {
$inputfield->trackChange($key);
$inputfield->trackChange('value');
if($page->id) {
$page->set($key, $value);
} else {
$page->setQuietly($key, $value);
}
}
// set language page name
$name = $inputfield->attr('name') . $language;
$value = $sanitizer->pageNameUTF8($input->$name);
// if it matches the value for the default language, avoid double storing it
if($value === $page->name) $value = '';
// if it matches the value already on the page, then no need to go further
$key = "name$language";
if($value == $page->get($key)) continue;
$parentID = $page->parent_id;
if(!$parentID) $parentID = (int) $this->wire()->input->post('parent_id');
if(!$this->checkLanguagePageName($language, $page, $parentID, $value, $inputfield)) continue;
if($page->id) {
$page->set($key, $value);
} else {
$page->setQuietly($key, $value); // avoid non-template exception when new page
}
}
}
/**
* Check changed page name for given language
*
* @param Language $language
* @param Page $page
* @param int $parentID
* @param string $value New page name
* @param Wire|null $errorTarget Object to send error to (Inputfield likely)
* @return bool True if all good, false if not
*
*/
public function checkLanguagePageName(Language $language, Page $page, $parentID, $value, Wire $errorTarget = null) {
// verify that it does not conflict with another page inheriting name from default language
$isValid = true;
$nameKey = "name$language->id";
if(!strlen($value)) return true;
if($this->wire()->config->pageNameCharset == 'UTF8') {
$value = $this->wire()->sanitizer->pageName($value, Sanitizer::toAscii);
}
$sql =
"SELECT id, name, $nameKey FROM pages " .
"WHERE parent_id=:parent_id " .
"AND id!=:id " .
"AND (" .
"(name=:newName AND $nameKey IS NULL) " . // default name matches and lang name inherits it (is null)
"OR ($nameKey=:newName2)" . // or lang name is same as requested one
")";
$query = $this->wire()->database->prepare($sql);
$query->bindValue(':parent_id', $parentID, \PDO::PARAM_INT);
$query->bindValue(':newName', $value);
$query->bindValue(':newName2', $value);
$query->bindValue(':id', $page->id, \PDO::PARAM_INT);
try {
$query->execute();
$row = $query->fetch(\PDO::FETCH_ASSOC);
if($row) {
$isValid = false;
if($errorTarget) $errorTarget->error(sprintf(
$this->_('A sibling page (id=%1$d) is already using name "%2$s" for language: %3$s'),
$row['id'], $value, $language->get('title|name')
));
}
} catch(\Exception $e) {
$this->error($e->getMessage());
$isValid = false;
}
$query->closeCursor();
return $isValid;
}
/**
* Hook into PageFinder::getQuery to add language status check
*
* @param HookEvent $event
*
*/
public function hookPageFinderGetQuery(HookEvent $event) {
$query = $event->return;
/** @var PageFinder $pageFinder */
$pageFinder = $event->object;
$options = $pageFinder->getOptions();
// don't enforce language status check with findAll is active
if(!empty($options['findAll'])) return;
// don't apply exclusions when output formatting is off
if(!$this->wire()->pages->outputFormatting) return;
$language = $this->wire()->user->language;
if(!$language || $language->isDefault()) return;
$status = "status" . (int) $language->id;
$query->where("pages.$status>0");
}
/**
* Hook into Page::path to localize path for current language
*
* @param HookEvent $event
*
*/
public function hookPagePath(HookEvent $event) {
/** @var Page $page */
$page = $event->object;
if($page->template->name == 'admin') return;
$language = $this->wire()->user->language;
if(!$language) $language = $this->wire()->languages->getDefault();
$event->return = $this->getPagePath($page, $language);
}
/**
* Add a Page::localName function with optional $language as argument
*
* event param Language|string|int|bool Optional language, or boolean true for behavior of 2nd argument.
* event param bool Substitute default language page name when page name is not defined for requested language.
* event return string Localized language name or blank if not set
*
* @param HookEvent $event
*
*/
public function hookPageLocalName(HookEvent $event) {
/** @var Page $page */
$page = $event->object;
$language = $this->getLanguage($event->arguments(0));
$nameField = $language->isDefault() ? "name" : "name$language";
$value = $page->get($nameField);
if(is_null($value)) $value = '';
if(empty($value) && $nameField !== 'name' && ($event->arguments(0) === true || $event->arguments(1) === true)) {
$value = $page->name;
}
$event->return = $value;
}
/**
* Add a Page::localPath function with optional $language as argument
*
* event param Language|string|int Optional language
* event return string Localized language path
*
* @param HookEvent $event
*
*/
public function hookPageLocalPath(HookEvent $event) {
/** @var Page $page */
$page = $event->object;
$language = $this->getLanguage($event->arguments(0));
$event->return = $this->getPagePath($page, $language);
}
/**
* Add a Page::localUrl function with optional $language as argument
*
* event param Language|string|int Optional language
* event return string Localized language URL
*
* @param HookEvent $event
*
*/
public function hookPageLocalUrl(HookEvent $event) {
/** @var Page $page */
$page = $event->object;
$language = $this->getLanguage($event->arguments(0));
$event->return = $this->wire()->config->urls->root . ltrim($this->getPagePath($page, $language), '/');
}
/**
* Add a Page::localHttpUrl function with optional $language as argument
*
* event param Language|string|int Optional language
* event return string Localized language name or blank if not set
*
* @param HookEvent $event
*
*/
public function hookPageLocalHttpUrl(HookEvent $event) {
$this->hookPageLocalUrl($event);
$url = $event->return;
$event->return = $this->wire()->input->scheme() . "://" . $this->wire()->config->httpHost . $url;
}
/**
* Given an object, integer or string, return the Language object instance
*
* @param int|string|Language
* @return Language
*
*/
protected function getLanguage($language) {
if(is_object($language)) {
if($language instanceof Language) return $language;
$language = '';
}
$languages = $this->wire()->languages;
if($language && (is_string($language) || is_int($language))) {
if(ctype_digit("$language")) {
$language = (int) $language;
} else {
$language = $this->wire()->sanitizer->pageNameUTF8($language);
}
$language = $languages->get($language);
}
if(!$language instanceof Language || !$language->id) {
$language = $languages->getDefault();
}
return $language;
}
/**
* Update pages table for new column when a language is added
*
* @param Language|Page $language
*
*/
public function languageAdded(Page $language) {
static $languagesAdded = array();
if(!$language->id || $language->name == 'default') return;
if($language instanceof Language && $language->isDefault()) return;
if(isset($languagesAdded[$language->id])) return;
$name = "name" . (int) $language->id;
$status = "status" . (int) $language->id;
$database = $this->wire()->database;
$errors = 0;
$sqls = array(
"Add column $name" => "ALTER TABLE pages ADD $name VARCHAR(" . Pages::nameMaxLength . ") CHARACTER SET ascii",
"Add index for $name" => "ALTER TABLE pages ADD INDEX parent_{$name} (parent_id, $name)",
"Add column $status" => "ALTER TABLE pages ADD $status INT UNSIGNED NOT NULL DEFAULT " . Page::statusOn,
);
foreach($sqls as $label => $sql) {
try {
$database->exec($sql);
} catch(\Exception $e) {
$this->error("$label: " . $e->getMessage(), Notice::log);
$errors++;
}
}
if(!$errors) $languagesAdded[$language->id] = $language->id;
}
/**
* Hook called when language is added
*
* @param HookEvent $event
*
*/
public function hookLanguageAdded(HookEvent $event) {
$language = $event->arguments[0];
$this->languageAdded($language);
}
/**
* Update pages table to remove column when a language is deleted
*
* @param Language|Page $language
*
*/
protected function languageDeleted(Page $language) {
if(!$language->id || $language->name == 'default') return;
$name = "name" . (int) $language->id;
$status = "status" . (int) $language->id;
$database = $this->wire()->database;
try {
$database->exec("ALTER TABLE pages DROP INDEX parent_$name");
$database->exec("ALTER TABLE pages DROP $name");
$database->exec("ALTER TABLE pages DROP $status");
} catch(\Exception $e) {
// $this->error($e->getMessage(), Notice::log); // error message can be ignored here
}
}
/**
* Hook called when language is deleted
*
* @param HookEvent $event
*
*/
public function hookLanguageDeleted(HookEvent $event) {
$language = $event->arguments[0];
$this->languageDeleted($language);
}
/**
* Hook called immediately before a page is saved
*
* Here we make use of the 'extraData' return property of the saveReady hook
* to bundle in the language name fields into the query.
*
* @param HookEvent $event
*
*/
public function hookPageSaveReady(HookEvent $event) {
/** @var Page $page */
$page = $event->arguments[0];
/** @var Pages $pages */
$pages = $event->object;
$sanitizer = $this->wire()->sanitizer;
/** @var array $extraData */
$extraData = $event->return;
$alwaysActiveTypes = array(
'User', 'UserPage',
'Role', 'RolePage',
'Permission', 'PermissionPage',
'Language', 'LanguagePage',
);
$pageNameCharset = $this->wire()->config->pageNameCharset;
$isCloning = $pages->editor()->isCloning();
if(!is_array($extraData)) $extraData = array();
foreach($this->wire()->languages as $language) {
/** @var Language $language */
if($language->isDefault()) continue;
$language_id = (int) $language->id;
// populate a name123 field for each language
$name = "name$language_id";
$value = $sanitizer->pageNameUTF8($page->get($name));
if(!strlen($value)) {
$value = 'NULL';
} else if($isCloning) {
// this save is the result of a clone() operation
// make sure that the name is unique for other languages
$value = $pages->names()->uniquePageName(array(
'name' => $value,
'page' => $page,
'language' => $language,
));
}
if($pageNameCharset == 'UTF8') {
$extraData[$name] = $sanitizer->pageName($value, Sanitizer::toAscii);
} else {
$extraData[$name] = $value;
}
// populate a status123 field for each language
$name = "status$language_id";
if(method_exists($page, 'getForPage')) {
// repeater page, pull status from 'for' page
$value = (int) $page->getForPage()->get($name);
} else if(in_array($page->className(), $alwaysActiveTypes)) {
// User, Role, Permission or Language: assume active status
$value = Page::statusOn;
} else {
// regular page
$value = (int) $page->get($name);
}
$extraData[$name] = $value;
}
$event->return = $extraData;
}
/**
* Hook into Pages::setupNew
*
* Used to assign a $page->name when none has been assigned, like if a user has added
* a page in another language but not configured anything for default language
*
* @param HookEvent $event
*
*/
public function hookPageSetupNew(HookEvent $event) {
/** @var Page $page */
$page = $event->arguments[0];
// if page already has a name, then no need to continue
if($page->name) return;
// account for possibility that a new page with non-default language name/title exists
// this prevents an exception from being thrown by Pages::save
$user = $this->wire()->user;
$config = $this->wire()->config;
$sanitizer = $this->wire()->sanitizer;
$userTrackChanges = $user->trackChanges();
$userLanguage = $user->language;
if($userTrackChanges) $user->setTrackChanges(false);
foreach($this->wire()->languages as $language) {
/** @var Language $language */
if($language->isDefault()) continue;
$user->setLanguage($language);
$name = $page->get("name$language");
if(strlen($name)) $page->name = $name;
$title = $page->title;
if(strlen($title)) {
$page->title = $title;
if(!$page->name) {
if($config->pageNameCharset === 'UTF8') {
$page->name = $sanitizer->pageNameUTF8($title);
} else {
$page->name = $sanitizer->pageName($title, Sanitizer::translate);
}
}
}
if($page->name) break;
}
// restore user to previous state
$user->setLanguage($userLanguage);
if($userTrackChanges) $user->setTrackChanges(true);
}
/**
* Hook called immediately after a page is saved
*
* @param HookEvent $event
*
*/
public function hookPageSaved(HookEvent $event) {
// The setLanguage may get lost upon some page save events, so this restores that
// $this->user->language = $this->setLanguage;
$page = $event->arguments(0); /** @var Page $page */
$sanitizer = $this->wire()->sanitizer;
if(!$page->namePrevious) {
// go into this only if we know the renamed hook hasn't already been called
$renamed = false;
foreach($this->wire()->languages as $language) {
/** @var Language $language */
if($language->isDefault()) continue;
$namePrevious = $page->get("-name$language");
if(!$namePrevious) continue;
$name = $sanitizer->pageNameUTF8($page->get("name$language"));
if($sanitizer->pageNameUTF8($namePrevious) != $name) {
$renamed = true;
break;
}
}
// trigger renamed hook if one of the language names changed
if($renamed) $this->wire()->pages->renamed($page);
}
}
/**
* Return the unsanitized/original requested path
*
* @return string
*
*/
public function getRequestPath() {
return $this->requestPath;
}
/**
* Return the Language that the given path is in or null if can't determine
*
* @param string $path Page path without without installation subdir or URL segments or page numbers
* @param Page $page If you already know the $page that resulted from the path, provide it here for faster performance
* @return Language|null
*
*/
public function getPagePathLanguage($path, Page $page = null) {
$languages = $this->wire()->languages;
$pages = $this->wire()->pages;
if(!$page || !$page->id) $page = $pages->getByPath($path, array(
'useLanguages' => true,
'useHistory' => true
));
$foundLanguage = null;
$path = trim($path, '/');
// a blank path can only be homepage in default language
if(!strlen($path)) return $languages->getDefault();
// first check entire path for a match
if($page->id) {
foreach($languages as $language) {
$languages->setLanguage($language);
if($path === trim($page->path(), '/')) $foundLanguage = $language;
$languages->unsetLanguage();
if($foundLanguage) break;
}
}
if($foundLanguage) return $foundLanguage;
// if we get to this point, then we'll be checking the first segment and last segment
$parts = explode('/', $path);
$homepageID = $this->wire()->config->rootPageID;
$homepage = $pages->get($homepageID);
$firstPart = reset($parts);
$lastPart = end($parts);
$tests = array($firstPart => $homepage);
if($homepage->id != $page->id && $firstPart != $lastPart) $tests[$lastPart] = $page;
foreach($tests as $part => $p) {
if(!$p->id) continue;
$duplicates = 0; // count duplicate names, which would invalidate any $foundLanguage
foreach($languages as $language) {
/** @var Language $language */
$key = 'name' . ($language->isDefault() ? '' : $language->id);
$name = $p->get($key);
if($name === $part) {
$foundLanguage = $language;
$duplicates++;
}
}
if($foundLanguage && $duplicates > 1) $foundLanguage = null;
if($foundLanguage) break;
}
if(!$foundLanguage && $page->parent_id > $homepageID && count($parts) > 1) {
// if language not yet found, go recursive on the parent path before we throw in the towel
array_pop($parts);
$foundLanguage = $this->getPagePathLanguage(implode('/', $parts), $page->parent());
}
return $foundLanguage;
}
/**
* Check to make sure that the status table exists and creates it if not
*
* @param bool $force
*
*/
public function checkModuleVersion($force = false) {
$info = self::getModuleInfo();
if(!$force) {
if($info['version'] == $this->moduleVersion) return;
}
$database = $this->wire()->database;
// version 3 to 4 check: addition of language-specific status columns
$query = $database->prepare("SHOW COLUMNS FROM pages WHERE Field LIKE 'status%'");
$query->execute();
if($query->rowCount() < 2) {
foreach($this->wire()->languages as $language) {
/** @var Language $language */
if($language->isDefault()) continue;
$status = "status" . (int) $language->id;
$database->exec("ALTER TABLE pages ADD $status INT UNSIGNED NOT NULL DEFAULT " . Page::statusOn);
$this->message("Added status column for language: $language->name", Notice::log);
}
}
// save module version in config data
if($info['version'] != $this->moduleVersion) {
$modules = $this->wire()->modules;
$data = $modules->getModuleConfigData($this);
$data['moduleVersion'] = $info['version'];
$modules->saveModuleConfigData($this, $data);
}
}
/**
* Module interactive configuration fields
*
* @param InputfieldWrapper $inputfields
*
*/
public function getModuleConfigInputfields(InputfieldWrapper $inputfields) {
$modules = $this->wire()->modules;
$config = $this->wire()->config;
$this->checkModuleVersion(true);
$defaultUrlPrefix = $config->get('_pageNumUrlPrefix|pageNumUrlPrefix');
foreach($this->wire()->languages as $language) {
/** @var Language $language */
/** @var InputfieldName $f */
$f = $modules->get('InputfieldName');
$name = "pageNumUrlPrefix$language";
if($language->isDefault() && !$this->get($name)) $this->set($name, $defaultUrlPrefix);
$f->attr('name', $name);
$f->attr('value', $this->get($name));
$f->label = "$language->title ($language->name) - " . $this->_('Page number prefix for pagination');
$f->description = sprintf(
$this->_('The page number is appended to this word in paginated URLs for this language. If omitted, "%s" will be used.'),
$defaultUrlPrefix
);
$f->required = false;
$inputfields->add($f);
}
/** @var InputfieldRadios $f */
$f = $modules->get('InputfieldRadios');
$f->attr('name', 'useHomeSegment');
$f->label = $this->_('Default language homepage URL is same as root URL?'); // label for the home segment option
$f->description = $this->_('Choose **Yes** if you want the homepage of your default language to be served by the root URL **/** (recommended). Choose **No** if you want your root URL to perform a redirect to **/name/** (where /name/ is the default language name of your homepage).'); // description for the home segment option
$f->notes = $this->_('This setting only affects the homepage behavior. If you select No, you must also make sure your homepage has a name defined for the default language.'); // notes for the home segment option
$f->addOption(0, $this->_('Yes - Root URL serves default language homepage (recommended)'));
$f->addOption(1, $this->_('No - Root URL performs a redirect to: /name/'));
$f->attr('value', (int) $this->useHomeSegment);
$inputfields->add($f);
/** @var InputfieldRadios $f */
$f = $modules->get('InputfieldRadios');
$f->attr('name', 'redirect404');
$f->label = $this->_('Behavior when page not available in requested language (but is available in default language)');
$f->notes = $this->_('This setting does not apply if the page is editable to the user as it will always be available for preview purposes.');
$f->addOption(0, $this->_('Throw a 404 (page not found) error - default behavior'));
$f->addOption(200, $this->_('Allow it to be rendered for language anyway (if accessed directly by URL)'));
$f->addOption(301, $this->_('Perform a 301 (permanent) redirect to the page in default language'));
$f->addOption(302, $this->_('Perform a 302 (temporary) redirect to the page in default language'));
$val = (int) $this->redirect404;
if($val === 404) $val = 0;
$f->val($val);
$inputfields->add($f);
}
/**
* Install the module
*
*/
public function ___install() {
foreach($this->wire()->languages as $language) {
$this->languageAdded($language);
}
}
/**
* Uninstall the module
*
*/
public function ___uninstall() {
foreach($this->wire()->languages as $language) {
$this->languageDeleted($language);
}
}
/**
* Upgrade the module
*
* @param $fromVersion
* @param $toVersion
*
*/
public function ___upgrade($fromVersion, $toVersion) {
if($fromVersion && $toVersion) {} // ignore
$languages = $this->wire()->languages;
$database = $this->wire()->database;
$sqls = array();
foreach($languages as $language) {
/** @var Language $language */
if($language->isDefault()) continue;
$name = 'name' . $language->id;
if(!$database->columnExists("pages", $name)) continue;
if($database->indexExists("pages", "{$name}_parent_id")) {
$sqls[] = "ALTER TABLE pages DROP INDEX {$name}_parent_id";
}
if(!$database->indexExists("pages", "parent_{$name}")) {
$sqls[] = "ALTER TABLE pages ADD INDEX parent_{$name}(parent_id, $name)";
}
}
foreach($sqls as $sql) {
try {
$query = $database->prepare($sql);
$query->execute();
} catch(\Exception $e) {
$this->warning($e->getMessage(), Notice::superuser);
}
}
}
}