mirror of
https://git.friendi.ca/friendica/friendica-addons.git
synced 2024-11-22 10:23:41 +00:00
126 lines
5.6 KiB
PHP
126 lines
5.6 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');
|
|
$minconfidence = get_pconfig(local_user(),'langfilter','minconfidence')*100;
|
|
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'), $enable_checked, ''),
|
|
'$languages' => array('langfilter_languages', t('I speak'), $languages, t('List of abbreviations (iso2 codes) for languages you speak, comma separated. For example "de,it".') ),
|
|
'$minconfidence' => array('langfilter_minconfidence', t('Minimum confidence in language detection'), $minconfidence, t('Minimum confidence in language detection being correct, from 0 to 100. Posts will not be filtered when the confidence of language detection is below this percent value.') ),
|
|
'$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);
|
|
$minconfidence = 0+$_POST['langfilter_minconfidence'];
|
|
if ( ! $minconfidence ) $minconfidence = 0;
|
|
else if ( $minconfidence < 0 ) $minconfidence = 0;
|
|
else if ( $minconfidence > 100 ) $minconfidence = 100;
|
|
set_pconfig(local_user(),'langfilter','minconfidence', $minconfidence/100.0);
|
|
info( t('Language Filter Settings saved.') . EOL);
|
|
}
|
|
}
|
|
/* Actually filter postings by their language
|
|
* 1st check if the user wants to filter postings
|
|
* 2nd get the user settings which languages shall be not filtered out
|
|
* 3rd extract the language of a posting
|
|
* 4th if the determined language does not fit to the spoken languages
|
|
* of the user, then collapse the posting, but provide a link to
|
|
* expand it again.
|
|
*/
|
|
function langfilter_prepare_body(&$a,&$b) {
|
|
|
|
$logged_user = local_user();
|
|
if ( ! $logged_user ) return;
|
|
|
|
# Never filter own messages
|
|
# TODO: find a better way to extract this
|
|
$logged_user_profile = $a->config['system']['url'] . '/profile/' . $a->user['nickname'];
|
|
if ( $logged_user_profile == $b['item']['author-link'] ) return;
|
|
|
|
# Don't filter if language filter is disabled
|
|
if( get_pconfig($logged_user,'langfilter','disable') ) return;
|
|
|
|
$spoken_config = get_pconfig(local_user(),'langfilter','languages');
|
|
$minconfidence = get_pconfig(local_user(),'langfilter','minconfidence');
|
|
|
|
# Don't filter if no spoken languages are configured
|
|
if ( ! $spoken_config ) return;
|
|
$spoken_languages = explode(',', $spoken_config);
|
|
|
|
# Extract the language of the post
|
|
$opts = $b['item']['postopts'];
|
|
if ( ! $opts ) return; # no options associated to post
|
|
if ( ! preg_match('/\blang=([^;]*);([^:]*)/', $opts, $matches ) )
|
|
return; # no lang options associated to post
|
|
|
|
$lang = $matches[1];
|
|
$confidence = $matches[2];
|
|
|
|
# Do not filter if language detection confidence is too low
|
|
if ( $minconfidence && $confidence < $minconfidence ) return;
|
|
|
|
$iso2 = Text_LanguageDetect_ISO639::nameToCode2($lang);
|
|
|
|
if ( ! $iso2 ) return;
|
|
$spoken = in_array($iso2, $spoken_languages);
|
|
|
|
if( ! $spoken ) {
|
|
$rnd = random_string(8);
|
|
$b['html'] = '<div id="langfilter-wrap-' . $rnd . '" class="fakelink" onclick=openClose(\'langfilter-' . $rnd . '\'); >' . sprintf( t('unspoken language %s - Click to open/close'),$lang ) . '</div><div id="langfilter-' . $rnd . '" style="display: none; " >' . $b['html'] . '</div>';
|
|
}
|
|
}
|
|
?>
|