110 lines
4.3 KiB
PHP
110 lines
4.3 KiB
PHP
|
<?php
|
||
|
|
/*
|
||
|
|
* Name: Language Filter
|
||
|
|
* Version: 0.1
|
||
|
|
* Description: Filters out postings in languages not spoken by the users
|
||
|
|
* Author: Tobias Diekershoff <https://f.diekershoff.de/u/tobias>
|
||
|
|
* License: MIT
|
||
|
|
*/
|
||
|
|
|
||
|
|
require_once('library/langdet/Text/LanguageDetect.php');
|
||
|
|
|
||
|
|
/* Define the hooks we want to use
|
||
|
|
* that is, we have settings, we need to save the settings and we want
|
||
|
|
* to modify the content of a posting when friendica prepares it.
|
||
|
|
*/
|
||
|
|
function langfilter_install() {
|
||
|
|
register_hook('prepare_body', 'addon/langfilter/langfilter.php', 'langfilter_prepare_body', 10);
|
||
|
|
register_hook('plugin_settings', 'addon/langfilter/langfilter.php', 'langfilter_addon_settings');
|
||
|
|
register_hook('plugin_settings_post', 'addon/langfilter/langfilter.php', 'langfilter_addon_settings_post');
|
||
|
|
}
|
||
|
|
function langfilter_uninstall() {
|
||
|
|
unregister_hook('prepare_body', 'addon/langfilter/langfilter.php', 'langfilter_prepare_body');
|
||
|
|
unregister_hook('plugin_settings', 'addon/langfilter/langfilter.php', 'langfilter_addon_settings');
|
||
|
|
unregister_hook('plugin_settings_post', 'addon/langfilter/langfilter.php', 'langfilter_addon_settings_post');
|
||
|
|
}
|
||
|
|
|
||
|
|
/* The settings
|
||
|
|
* 1st check if somebody logged in is calling
|
||
|
|
* 2nd get the current settings
|
||
|
|
* 3rd parse a SMARTY3 template, replacing some translateable strings for the form
|
||
|
|
*/
|
||
|
|
function langfilter_addon_settings(&$a,&$s) {
|
||
|
|
if(! local_user())
|
||
|
|
return;
|
||
|
|
|
||
|
|
$enable_checked = (intval(get_pconfig(local_user(),'langfilter','disable')) ? '' : ' checked="checked" ');
|
||
|
|
$languages = get_pconfig(local_user(),'langfilter','languages');
|
||
|
|
if(! $languages)
|
||
|
|
$languages = 'en,de,fr,it,es';
|
||
|
|
|
||
|
|
$t = get_markup_template("settings.tpl", "addon/langfilter/" );
|
||
|
|
$s .= replace_macros ($t, array(
|
||
|
|
'$title' => t("Language Filter"),
|
||
|
|
'$intro' => t ('This addon tries to identify the language of a postings. If it does not match any language spoken by you (see below) the posting will be collapsed. Remember detecting the language is not perfect, especially with short postings.'),
|
||
|
|
'$enabled' => array('langfilter_enable', t('Use the language filter'), $enable_checked, ''),
|
||
|
|
'$regex' => t('Use /expression/ to provide regular expressions'),
|
||
|
|
'$languages' => array('langfilter_languages', t('I speak'), $languages, t('List of abbreviations for languages you speak, comma seperated. For excample "de,it".') ),
|
||
|
|
'$submit' => t('Save Settings'),
|
||
|
|
));
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
/* Save the settings
|
||
|
|
* 1st check it's a logged in user calling
|
||
|
|
* 2nd check the langfilter form is to be saved
|
||
|
|
* 3rd save the settings to the DB for later usage
|
||
|
|
*/
|
||
|
|
function langfilter_addon_settings_post(&$a,&$b) {
|
||
|
|
if(! local_user())
|
||
|
|
return;
|
||
|
|
|
||
|
|
if($_POST['langfilter-settings-submit']) {
|
||
|
|
set_pconfig(local_user(),'langfilter','languages',trim($_POST['langfilter_languages']));
|
||
|
|
$enable = ((x($_POST,'langfilter_enable')) ? intval($_POST['langfilter_enable']) : 0);
|
||
|
|
$disable = 1-$enable;
|
||
|
|
set_pconfig(local_user(),'langfilter','disable', $disable);
|
||
|
|
info( t('Language Filter Settings saved.') . EOL);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/* Actually filter postings by their language
|
||
|
|
* 1st check if the user wants to filter postings
|
||
|
|
* 2nd get the user settings which languages shall be not filtered out
|
||
|
|
* 3rd determine the language of a posting
|
||
|
|
* 4th if the determined language does not fit to the spoken languages
|
||
|
|
* of the user, then collapse the posting, but provide a link to
|
||
|
|
* expand it again.
|
||
|
|
*/
|
||
|
|
function langfilter_prepare_body(&$a,&$b) {
|
||
|
|
if(get_pconfig(local_user(),'langfilter','disable'))
|
||
|
|
return;
|
||
|
|
|
||
|
|
if(local_user()) {
|
||
|
|
$langs = get_pconfig(local_user(),'langfilter','languages');
|
||
|
|
}
|
||
|
|
if($langs) {
|
||
|
|
$arr = explode(',',$langs);
|
||
|
|
} else {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$found = false;
|
||
|
|
$l = new Text_LanguageDetect;
|
||
|
|
$l->_name_mode = 2; // two letter codes
|
||
|
|
$l->_threshold = 600; // make it a bit harder to be confident with a lng
|
||
|
|
// IOW make it more possible that lng is correct
|
||
|
|
$lng = $l->detectSimple($b['html']);
|
||
|
|
if ($lng==null)
|
||
|
|
return;
|
||
|
|
if (! in_array($lng, $arr))
|
||
|
|
$found = true;
|
||
|
|
if ($lng==null)
|
||
|
|
$found = false;
|
||
|
|
|
||
|
|
if($found) {
|
||
|
|
$rnd = random_string(8);
|
||
|
|
$b['html'] = '<div id="langfilter-wrap-' . $rnd . '" class="fakelink" onclick=openClose(\'langfilter-' . $rnd . '\'); >' . sprintf( t('unspoken language %s - Click to open/close'),$lng ) . '</div><div id="langfilter-' . $rnd . '" style="display: none; " >' . $b['html'] . '</div>';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
?>
|