221 lines
11 KiB
PHP
221 lines
11 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
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/**
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2013 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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require_once(MODPATH . "iptc/lib/functions.php");
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/**
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* This is the API for handling iptc data.
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*/
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class iptc_Core {
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protected static $iptc_keys;
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static function extract($item) {
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$keys = array();
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// Only try to extract IPTC from photos
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if ($item->is_photo() && $item->mime_type == "image/jpeg") {
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$info = getJpegHeader($item->file_path());
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if ($info !== FALSE) {
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$iptcBlock = getIptcBlock($info);
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if ($iptcBlock !== FALSE) {
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$iptc = iptcparse($iptcBlock);
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} else {
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$iptc = array();
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}
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$xmp = getXmpDom($info);
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foreach (self::keys() as $keyword => $iptcvar) {
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$iptc_key = $iptcvar[0];
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$xpath = $iptcvar[2];
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$value = null;
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if ($xpath != null) {
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$value = getXmpValue($xmp, $xpath);
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}
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if ($value == null) {
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if (!empty($iptc[$iptc_key])) {
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$value = implode(";", $iptc[$iptc_key]);
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if (function_exists("mb_detect_encoding") && mb_detect_encoding($value) != "UTF-8") {
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$value = utf8_encode($value);
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}
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}
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}
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if ($value != null) {
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$keys[$keyword] = Input::clean($value);
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}
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}
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}
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}
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$record = ORM::factory("iptc_record")->where("item_id", "=", $item->id)->find();
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if (!$record->loaded()) {
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$record->item_id = $item->id;
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}
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$record->data = serialize($keys);
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$record->key_count = count($keys);
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$record->dirty = 0;
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$record->save();
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if ( array_key_exists('Keywords', $keys) ) {
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$tags = explode(';', $keys['Keywords']);
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foreach ($tags as $tag) {
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try {
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tag::add($item, $tag);
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} catch (Exception $e) {
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Kohana_Log::add("error", "Error adding tag: $tag\n"
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. $e->getMessage() . "\n"
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. $e->getTraceAsString());
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}
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}
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}
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}
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static function get($item) {
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$iptc = array();
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$record = ORM::factory("iptc_record")
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->where("item_id", "=", $item->id)
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->find();
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if (!$record->loaded()) {
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return array();
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}
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$definitions = self::keys();
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$keys = unserialize($record->data);
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foreach ($keys as $key => $value) {
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if (module::get_var("iptc", "show_".$key) == 1)
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$iptc[] = array("caption" => $definitions[$key][1], "value" => $value);
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}
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return $iptc;
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}
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public static function keys() {
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if (!isset(self::$iptc_keys)) {
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self::$iptc_keys = array(
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"ObjectName" => array("2#005",
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t("IPTC Object Name"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/dc:title/rdf:Alt/rdf:li" ),
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"EditStatus" => array("2#007",
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t("IPTC Edit Status"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@mediapro:Status" ),
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"Category" => array("2#015",
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t("IPTC Category"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@photoshop:Category" ),
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"SupplementalCategories" => array("2#020",
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t("IPTC Categories"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/photoshop:SupplementalCategories/rdf:Bag/rdf:li" ),
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"FixtureIdentifier" => array("2#022",
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t("IPTC Identifier"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@mediapro:Event" ),
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"Keywords" => array("2#025",
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t("IPTC Keywords"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/dc:subject/rdf:Bag/rdf:li" ),
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"LocationCode" => array("2#026",
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t("IPTC Location Code"),
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null ),
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"SpecialInstructions" => array("2#040",
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t("IPTC Instructions"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@photoshop:Instructions" ),
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"DateCreated" => array("2#055",
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t("IPTC Created Date"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@photoshop:DateCreated" ),
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"ByLine" => array("2#080",
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t("IPTC Author"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/dc:creator/rdf:Seq/rdf:li" ),
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"ByLineTitle" => array("2#085",
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t("IPTC Author Title"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@photoshop:AuthorsPosition" ),
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"City" => array("2#090",
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t("IPTC City"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@photoshop:City" ),
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"SubLocation" => array("2#092",
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t("IPTC SubLocation"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@Iptc4xmpCore:Location | /x:xmpmeta/rdf:RDF/rdf:Description/@mediapro:Location" ),
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"ProvinceState" => array("2#095",
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t("IPTC Province State"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@photoshop:State" ),
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"CountryCode" => array("2#100",
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t("IPTC Country Code"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@Iptc4xmpCore:CountryCode" ),
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"CountryName" => array("2#101",
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t("IPTC Country Name"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@photoshop:Country" ),
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"Transmission" => array("2#103",
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t("IPTC Transmission,"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@photoshop:TransmissionReference" ),
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"HeadLine" => array("2#105",
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t("IPTC HeadLine"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@photoshop:Headline" ),
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"Credit" => array("2#110",
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t("IPTC Credit"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@photoshop:Credit | /x:xmpmeta/rdf:RDF/rdf:Description/photoshop:Credit" ),
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"Source" => array("2#115",
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t("IPTC Source"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@photoshop:Source" ),
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"Copyright" => array("2#116",
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t("IPTC Copyright"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/dc:rights/rdf:Alt/rdf:li" ),
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"Contacts" => array("2#118",
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t("IPTC Contacts"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/mediapro:People/rdf:Bag/rdf:li" ),
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"Caption" => array("2#120",
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t("IPTC Caption"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/dc:description/rdf:Alt/rdf:li" ),
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"Redactor" => array("2#122",
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t("IPTC Redactor"),
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"/x:xmpmeta/rdf:RDF/rdf:Description/@photoshop:CaptionWriter" )
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);
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}
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return self::$iptc_keys;
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}
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static function stats() {
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$missing_iptc = db::build()
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->select("items.id")
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->from("items")
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->join("iptc_records", "items.id", "iptc_records.item_id", "left")
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->where("type", "=", "photo")
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->and_open()
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->where("iptc_records.item_id", "IS", null)
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->or_where("iptc_records.dirty", "=", 1)
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->close()
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->execute()
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->count();
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$total_items = ORM::factory("item")->where("type", "=", "photo")->count_all();
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if (!$total_items) {
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return array(0, 0, 0);
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}
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return array($missing_iptc, $total_items,
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round(100 * (($total_items - $missing_iptc) / $total_items)));
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}
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static function check_index() {
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list ($remaining) = iptc::stats();
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if ($remaining) {
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site_status::warning(
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t('Your Iptc index needs to be updated. <a href="%url" class="g-dialog-link">Fix this now</a>',
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array("url" => html::mark_clean(url::site("admin/maintenance/start/iptc_task::update_index?csrf=__CSRF__")))),
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"iptc_index_out_of_date");
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}
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}
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}
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