// Make it DOM-traversable
$doc_citations = new DOMDocument();
$doc_citations->loadXML($zp_xml);
$entries = $doc_citations->getElementsByTagName("entry");
foreach ($entries as $entry) {
$item_key = $entry->getElementsByTagNameNS("http://zotero.org/ns/api", "key")->item(0)->nodeValue;
$citation_content = "";
$citation_content_temp = new DOMDocument();
foreach ($entry->getElementsByTagName("content") as $child) {
foreach ($child->childNodes as $child_content) {
$citation_content_temp->appendChild($citation_content_temp->importNode($child_content, true));
$citation_content = $citation_content_temp->saveHTML();
}
}
// Update style
$wpdb->update($wpdb->prefix . 'zotpress_zoteroItems', array("style" => zp_db_prep($style), "citation" => zp_db_prep($citation_content)), array('item_key' => $item_key, 'api_user_id' => $zp_account[0]->api_user_id), array('%s', '%s'), array('%s', '%s'));
$xml .= "<item key=\"" . $item_key . "\">" . htmlentities($citation_content) . "</item>\n";
}
// entry
unset($zp_import_contents);
unset($zp_import_url);
unset($zp_xml);
unset($doc_citations);
unset($entries);
}
unset($zp_items_current_style);
unset($zp_items_current_style_proceed);
unset($query_items);
// Display success XML
$xml .= "<result success=\"true\" api_user_id=\"" . $api_user_id . "\" />\n";
$wpdb->flush();
function zp_get_server_tags($wpdb, $api_user_id, $zp_start)
{
$zp_import_contents = new ZotpressRequest();
$zp_account = zp_get_account($wpdb, $api_user_id);
//$zp_account = $GLOBALS['zp_session'][$api_user_id]['zp_account'];
// Build request URL
$zp_import_url = "https://api.zotero.org/" . $zp_account[0]->account_type . "/" . $zp_account[0]->api_user_id . "/tags?limit=50&start=" . $zp_start;
if (is_null($zp_account[0]->public_key) === false && trim($zp_account[0]->public_key) != "") {
$zp_import_url .= "&key=" . $zp_account[0]->public_key;
}
$zp_xml = $zp_import_contents->get_request_contents($zp_import_url, false);
// Make it DOM-traversable
$doc_citations = new DOMDocument();
$doc_citations->loadXML($zp_xml);
// Get last set
if (!isset($GLOBALS['zp_session'][$api_user_id]['tags']['last_set'])) {
$last_set = "";
$links = $doc_citations->getElementsByTagName("link");
foreach ($links as $link) {
if ($link->getAttribute('rel') == "last") {
if (stripos($link->getAttribute('href'), "start=") !== false) {
$last_set = explode("start=", $link->getAttribute('href'));
$GLOBALS['zp_session'][$api_user_id]['tags']['last_set'] = intval($last_set[1]);
} else {
$GLOBALS['zp_session'][$api_user_id]['tags']['last_set'] = 0;
}
}
}
}
$entries = $doc_citations->getElementsByTagName("entry");
foreach ($entries as $entry) {
$title = $entry->getElementsByTagName("title")->item(0)->nodeValue;
$retrieved = $entry->getElementsByTagName("updated")->item(0)->nodeValue;
// Check to see if tags exists in local
if (array_key_exists(trim($title), $GLOBALS['zp_session'][$api_user_id]['tags']['zp_local_tags'])) {
// Check to see if it needs updating
if ($retrieved != $GLOBALS['zp_session'][$api_user_id]['tags']['zp_local_tags'][trim($title)]->retrieved) {
$GLOBALS['zp_session'][$api_user_id]['tags']['zp_tags_to_update'][trim($title)] = $GLOBALS['zp_session'][$api_user_id]['tags']['zp_local_tags'][trim($title)]->id;
//unset($GLOBALS['zp_session'][$api_user_id]['tags']['zp_local_tags'][trim($title)]); // Leave only the local ones that should be deleted
update_option('ZOTPRESS_DELETE_' . $api_user_id, get_option('ZOTPRESS_DELETE_' . $api_user_id) . "," . $item_key);
} else {
//unset($GLOBALS['zp_session'][$api_user_id]['tags']['zp_local_tags'][trim($title)]); // Leave only the local ones that should be deleted
update_option('ZOTPRESS_DELETE_' . $api_user_id, get_option('ZOTPRESS_DELETE_' . $api_user_id) . "," . $item_key);
continue;
}
}
$numItems = $entry->getElementsByTagNameNS("http://zotero.org/ns/api", "numItems")->item(0)->nodeValue;
unset($zp_import_contents);
unset($zp_import_url);
unset($zp_xml);
// GET LIST OF ITEM KEYS
$zp_import_contents = new ZotpressRequest();
$zp_import_url = "https://api.zotero.org/" . $zp_account[0]->account_type . "/" . $zp_account[0]->api_user_id . "/tags/" . urlencode($title) . "/items?format=keys";
if (is_null($zp_account[0]->public_key) === false && trim($zp_account[0]->public_key) != "") {
$zp_import_url .= "&key=" . $zp_account[0]->public_key;
}
// Import content
$zp_xml = $zp_import_contents->get_request_contents($zp_import_url, false);
$zp_tag_itemkeys = rtrim(str_replace("\n", ",", $zp_xml), ",");
// If item key needs updating
if (array_key_exists(trim($title), $GLOBALS['zp_session'][$api_user_id]['tags']['zp_tags_to_update'])) {
$GLOBALS['zp_session'][$api_user_id]['tags']['zp_tags_to_update'][trim($title)] = array("api_user_id" => $zp_account[0]->api_user_id, "title" => zp_db_prep($title), "retrieved" => zp_db_prep($retrieved), "numItems" => $numItems, "listItems" => zp_db_prep($zp_tag_itemkeys));
} else {
if (!array_key_exists(trim($title), $GLOBALS['zp_session'][$api_user_id]['tags']['zp_local_tags'])) {
array_push($GLOBALS['zp_session'][$api_user_id]['tags']['zp_tags_to_add'], $zp_account[0]->api_user_id, zp_db_prep($title), zp_db_prep($retrieved), $numItems, zp_db_prep($zp_tag_itemkeys));
$GLOBALS['zp_session'][$api_user_id]['tags']['query_total_tags_to_add']++;
}
}
unset($title);
unset($retrieved);
unset($numItems);
unset($zp_tag_itemkeys);
}
// entry
// LAST SET
if ($GLOBALS['zp_session'][$api_user_id]['tags']['last_set'] == $zp_start) {
return false;
} else {
return true;
}
unset($zp_import_contents);
unset($zp_import_url);
unset($zp_xml);
unset($doc_citations);
unset($entries);
}
function zp_get_tags($wpdb, $api_user_id, $zp_start, $zp_collection = false)
{
$zp_import_contents = new ZotpressRequest();
$zp_account = zp_get_account($wpdb, $api_user_id);
// Get import url
if ($zp_collection) {
$zp_collection = '/collections/' . $zp_collection;
} else {
$zp_collection = '';
}
$zp_import_url = "https://api.zotero.org/" . $zp_account[0]->account_type . "/" . $zp_account[0]->api_user_id . $zp_collection . "/tags?limit=50&start=" . $zp_start;
if (is_null($zp_account[0]->public_key) === false && trim($zp_account[0]->public_key) != "") {
$zp_import_url .= "&key=" . $zp_account[0]->public_key;
}
// Import content
$zp_xml = $zp_import_contents->get_request_contents($zp_import_url, false);
// Report any errors returned from Zotero
if (trim(strtolower($zp_xml)) == "forbidden") {
return "Zotero is telling Zotpress that access is forbidden. Are you sure that the Zotero API key you're using for this account is correct?";
}
// Make it DOM-traversable
$doc_citations = new DOMDocument();
$doc_citations->loadXML($zp_xml);
// Get last set
if (!isset($GLOBALS['zp_session'][$api_user_id]['tags']['last_set'])) {
$last_set = "";
$links = $doc_citations->getElementsByTagName("link");
foreach ($links as $link) {
if ($link->getAttribute('rel') == "last") {
if (stripos($link->getAttribute('href'), "start=") !== false) {
$last_set = explode("start=", $link->getAttribute('href'));
$GLOBALS['zp_session'][$api_user_id]['tags']['last_set'] = intval($last_set[1]);
} else {
$GLOBALS['zp_session'][$api_user_id]['tags']['last_set'] = 0;
}
}
}
}
// PREPARE EACH ENTRY FOR DB INSERT
$entries = $doc_citations->getElementsByTagName("entry");
foreach ($entries as $entry) {
$title = str_replace("&", "__and__", $entry->getElementsByTagName("title")->item(0)->nodeValue);
$retrieved = $entry->getElementsByTagName("updated")->item(0)->nodeValue;
$numItems = $entry->getElementsByTagNameNS("http://zotero.org/ns/api", "numItems")->item(0)->nodeValue;
unset($zp_import_contents);
unset($zp_import_url);
unset($zp_xml);
// GET LIST OF ITEM KEYS - now handled in Items import
// $zp_import_contents = new ZotpressRequest();
//
// $zp_import_url = "https://api.zotero.org/".$zp_account[0]->account_type."/".$zp_account[0]->api_user_id."/tags/".urlencode($title)."/items?format=keys";
// if (is_null($zp_account[0]->public_key) === false && trim($zp_account[0]->public_key) != "")
// $zp_import_url .= "&key=".$zp_account[0]->public_key;
//
// // Import content
// $zp_xml = $zp_import_contents->get_request_contents( $zp_import_url, false );
//
// $zp_tag_itemkeys = rtrim(str_replace("\n", ",", $zp_xml), ",");
//
// unset($zp_import_contents);
// unset($zp_import_url);
// unset($zp_xml);
// Prep for insert into db
array_push($GLOBALS['zp_session'][$api_user_id]['tags']['query_params'], $zp_account[0]->api_user_id, zp_db_prep($title), zp_db_prep($retrieved), $numItems);
$GLOBALS['zp_session'][$api_user_id]['tags']['query_total_entries']++;
unset($title);
unset($retrieved);
unset($numItems);
//unset($zp_tag_itemkeys);
}
// entry
// LAST SET
if ($GLOBALS['zp_session'][$api_user_id]['tags']['last_set'] == $zp_start) {
return false;
} else {
return true;
}
unset($entries);
unset($doc_citations);
}
