source: extensions/meta/main.inc.php @ 29125

<?php
/*
  Plugin Name: meta
  Version: auto
  Description: Allows to add metadata
  Plugin URI: http://piwigo.org/ext/extension_view.php?eid=220
  Author: ddtddt
  Author URI: http://piwigo.org/
 */

if (!defined('PHPWG_ROOT_PATH'))
    die('Hacking attempt!');

global $prefixeTable, $page;

define('meta_DIR', basename(dirname(__FILE__)));
define('meta_PATH', PHPWG_PLUGINS_PATH . meta_DIR . '/');
define('meta_TABLE', $prefixeTable . 'meta');
define('meta_img_TABLE', $prefixeTable . 'meta_img');
define('meta_cat_TABLE', $prefixeTable . 'meta_cat');
define('METAPERSO_TABLE', $prefixeTable . 'metaperso');
define('META_AP_TABLE', $prefixeTable . 'meta_ap');

// Plugin for admin
if (script_basename() == 'admin') {
    include_once(dirname(__FILE__) . '/initadmin.php');
}


//Gestion des meta dans le header
add_event_handler('loc_begin_page_header', 'Change_Meta', 20);
add_event_handler('loc_end_page_header', 'add_meta', 56);
add_event_handler('loc_end_page_header', 'add_metacat', 61);
add_event_handler('loc_end_page_header', 'add_metaimg', 71);
add_event_handler('loc_after_page_header', 'set_meta_back');

function Change_Meta() {
    global $template;
    $template->set_prefilter('header', 'upmata');

    $PAED = pwg_db_fetch_assoc(pwg_query("SELECT state FROM " . PLUGINS_TABLE . " WHERE id = 'ExtendedDescription';"));
    if ($PAED['state'] == 'active')
        add_event_handler('AP_render_content', 'get_user_language_desc');
}

function upmata($content, &$smarty) {
    $search = '#<meta name="description" content=".*?">#';

    $replacement = '<meta name="description" content="{$PLUG_META}">';

    return preg_replace($search, $replacement, $content);
}

function add_meta() {
    global $template, $page, $meta_infos;
    $meta_infos = array();
    $meta_infos['author'] = $template->get_template_vars('INFO_AUTHOR');
    $meta_infos['related_tags'] = $template->get_template_vars('related_tags');
    $meta_infos['info'] = $template->get_template_vars('INFO_FILE');
    $meta_infos['title'] = $template->get_template_vars('PAGE_TITLE');

    $query = '
  select id,metaname,metaval
    FROM ' . meta_TABLE . '
    WHERE metaname IN (\'author\', \'keywords\', \'Description\', \'robots\')
    ;';
    $result = pwg_query($query);
    $meta = array();
    while ($row = pwg_db_fetch_assoc($result)) {
        $meta[$row['metaname']] = $row['metaval'];
        $metaED[$row['metaname']] = trigger_change('AP_render_content', $meta[$row['metaname']]);
    }

    // Authors
    if (!empty($meta_infos['author']) and ! empty($metaED['author'])) {
        $template->assign('INFO_AUTHOR', $meta_infos['author'] . ' - ' . $metaED['author']);
    } elseif (!empty($metaED['author'])) {
        $template->assign('INFO_AUTHOR', $metaED['author']);
    }

    // Keywords
    if (!empty($metaED['keywords'])) {
        $template->append('related_tags', array('name' => $metaED['keywords']));
    }

    // Description
    if (!empty($meta_infos['title']) and ! empty($meta_infos['info']) and ! empty($metaED['Description'])) {
        $template->assign('PLUG_META', $meta_infos['title'] . ' - ' . $meta_infos['info'] . ', ' . $metaED['Description']);
    } elseif (!empty($meta_infos['title']) and ! empty($metaED['Description'])) {
        $template->assign('PLUG_META', $meta_infos['title'] . ' - ' . $metaED['Description']);
    } elseif (!empty($metaED['Description'])) {
        $template->assign('PLUG_META', $metaED['Description']);
    }

    // Robots
    if (!empty($meta['robots'])) {
        $template->append('head_elements', '<meta name="robots" content="' . $meta['robots'] . '">');
    }

    //Metaperso
    if (script_basename() !== 'admin') {
        $metapersos = pwg_query("SELECT * FROM `" . METAPERSO_TABLE . ";");

        if (pwg_db_num_rows($metapersos)) {
            while ($metaperso = pwg_db_fetch_assoc($metapersos)) {
                $items = array(
                    'METANAME' => $metaperso['metaname'],
                    'METAVAL' => $metaperso['metaval'],
                    'METATYPE' => $metaperso['metatype']
                );

                $template->append('metapersos', $items);
            }
        }

        $template->set_filename('PERSO_META', realpath(meta_PATH . 'persometa.tpl'));
        $template->append('head_elements', $template->parse('PERSO_META', true));
    }

    $MPC = pwg_db_fetch_assoc(pwg_query("SELECT state FROM " . PLUGINS_TABLE . " WHERE id = 'ContactForm';"));
    if ($MPC['state'] == 'active') {
        global $conf;
        if (isset($page['section']) and $page['section'] == 'contact' and isset($conf['contactmeta']) and strpos($conf['contactmeta'], ',') !== false) {
            $metacontact = explode(',', $conf['contactmeta']);
            $metakeyED = trigger_change('AP_render_content', $metacontact[0]);
            $metadesED = trigger_change('AP_render_content', $metacontact[1]);
            if (!empty($metakeyED)) {
                $template->append('related_tags', array('name' => $metakeyED));
            }
            if (!empty($metadesED)) {
                $template->assign('PLUG_META', $metadesED);
            }
        }
    }

    $MAP = pwg_db_fetch_assoc(pwg_query("SELECT state FROM " . PLUGINS_TABLE . " WHERE id = 'AdditionalPages';"));
    if ($MAP['state'] == 'active') {
        if (!empty($page['additional_page']['id'])) {
            $lire = $page['additional_page']['id'];
            $query = '
  select id, metaKeyap, metadesap
  FROM ' . META_AP_TABLE . '
  WHERE id = \'' . $lire . '\'
  ;';
            $result = pwg_query($query);
            $row = pwg_db_fetch_assoc($result);
            $metaKeyapap = $row['metaKeyap'];
            $metadesapap = $row['metadesap'];
            $metaKeyapapED = trigger_change('AP_render_content', $metaKeyapap);
            $metadesapED = trigger_change('AP_render_content', $metadesapap);
        }
        if (isset($page['section']) and $page['section'] == 'additional_page') {
            if (!empty($metaKeyapapED)) {
                $template->append('related_tags', array('name' => $metaKeyapapED));
            }
            if (!empty($metadesapED)) {
                $template->assign('PLUG_META', $metadesapED);
            }
        }
    }
}

function add_metacat() {
    global $template, $page, $meta_infos;

    //meta categories
    if (!empty($page['category']['id'])) {
        $query = '
    select id,metaKeycat
      FROM ' . meta_cat_TABLE . '
      WHERE id = \'' . $page['category']['id'] . '\'
      ;';
        $result = pwg_query($query);
        $row = pwg_db_fetch_assoc($result);
        $albumKeyED = trigger_change('AP_render_content', $row['metaKeycat']);
        if (!empty($row['metaKeycat'])) {
            $template->append('related_tags', array('name' => $albumKeyED));
        }

        $query = '
    select id,metadescat
      FROM ' . meta_cat_TABLE . '
      WHERE id = \'' . $page['category']['id'] . '\'
      ;';
        $result = pwg_query($query);
        $row = pwg_db_fetch_assoc($result);
        $albumDesED = trigger_change('AP_render_content', $row['metadescat']);
        if (!empty($row['metadescat'])) {
            $template->assign('PLUG_META', $albumDesED);
        }
    }
}

function add_metaimg() {
    global $template, $page, $meta_infos;

    //meta images
    if (!empty($page['image_id'])) {
        $query = '
    select id,metaKeyimg
      FROM ' . meta_img_TABLE . '
      WHERE id = \'' . $page['image_id'] . '\'
      ;';
        $result = pwg_query($query);
        $row = pwg_db_fetch_assoc($result);
        $photoKeyED = trigger_change('AP_render_content', $row['metaKeyimg']);
        if (!empty($row['metaKeyimg'])) {
            $template->append('related_tags', array('name' => $photoKeyED));
        }

        $query = '
    select id,metadesimg
      FROM ' . meta_img_TABLE . '
      WHERE id = \'' . $page['image_id'] . '\'
      ;';
        $result = pwg_query($query);
        $row = pwg_db_fetch_assoc($result);
        $photoDesED = trigger_change('AP_render_content', $row['metadesimg']);
        if (!empty($row['metadesimg'])) {
            $template->assign('PLUG_META', $photoDesED);
        }else {
            $meta_infosph = array();
            $meta_infosph['title'] = $template->get_template_vars('PAGE_TITLE');
            $meta_infosph['gt'] = $template->get_template_vars('GALLERY_TITLE');
            $meta_infosph['descimg'] = $template->get_template_vars('COMMENT_IMG');
            if (!empty($meta_infosph['descimg'])) {
                $template->assign('PLUG_META', strip_tags($meta_infosph['descimg']).' - '.$meta_infosph['title']);
            }else{
                $template->assign('PLUG_META', $meta_infosph['title'].' - '.$meta_infosph['gt']);
            }
        }
    }
}

function set_meta_back() {
    global $template, $meta_infos;

    $template->assign
            (array
        (
        'INFO_AUTHOR' => $meta_infos['author'],
        'related_tags' => $meta_infos['related_tags'],
        'INFO_FILE' => $meta_infos['info'],
            )
    );
}

?>