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 MakeZotpressRequest($mzr_account_type = false, $mzr_api_user_id = false, $mzr_data_type = false, $mzr_collection_id = false, $mzr_item_key = false, $mzr_tag_name = false, $mzr_limit = false, $mzr_displayImages = false, $mzr_include = false, $mzr_force_recache = false, $mzr_instance_id = false, $mzr_get_meta = false, $mzr_get_children = false, $mzr_get_style = false, $mzr_topLevel = false)
{
// Access WordPress db
global $wpdb;
// Include Request Functionality
require 'rss.request.php';
// Set up vars
$zp_xml = "";
// SET UP VARS
// API User ID
if ($mzr_api_user_id == false && $mzr_include == false && (isset($_GET['api_user_id']) && preg_match("/^[0-9]+\$/", $_GET['api_user_id']))) {
$mzr_api_user_id = trim($_GET['api_user_id']);
}
// Account Type
if ($mzr_account_type == false && $mzr_include == false && (isset($_GET['account_type']) && preg_match("/^[a-zA-Z]+\$/", $_GET['account_type']))) {
$mzr_account_type = trim($_GET['account_type']);
}
// Display Images
if ($mzr_displayImages == false && $mzr_include == false && (isset($_GET['displayImages']) && preg_match("/^[a-zA-Z]+\$/", $_GET['displayImages']))) {
if ($_GET['displayImages'] == "true") {
$mzr_displayImages = true;
} else {
$mzr_displayImages = false;
}
}
// MAKE THE REQUEST
if (isset($mzr_account_type) && isset($mzr_api_user_id)) {
// IMAGES
if ($mzr_displayImages == true) {
$zp_xml = "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n";
$image_xml = "";
global $wpdb;
if (isset($_GET['displayImageByCitationID']) && preg_match("/^[a-zA-Z0-9]+\$/", $_GET['displayImageByCitationID'])) {
$images = $wpdb->get_results("SELECT * FROM " . $wpdb->prefix . "zotpress_images WHERE citation_id='" . trim($_GET['displayImageByCitationID']) . "'");
} else {
$images = $wpdb->get_results("SELECT * FROM " . $wpdb->prefix . "zotpress_images");
}
$total = $wpdb->num_rows;
foreach ($images as $image) {
$image_xml .= "\t<zpimage citation_id='" . $image->citation_id . "' account_type='" . $image->account_type . "' api_user_id='" . $image->api_user_id . "' image_url='" . $image->image . "' />\n";
}
$zp_xml .= "\n<zpimages total=\"" . $total . "\">\n";
$zp_xml .= $image_xml;
$zp_xml .= "</zpimages>";
} else {
// DATA TYPE
if ($mzr_data_type == false) {
if (isset($_GET['data_type']) && $mzr_include == false && preg_match("/^[a-zA-Z]+\$/", $_GET['data_type'])) {
$urlDataType = $_GET['data_type'];
} else {
$urlDataType = "items/top";
}
} else {
$urlDataType = $mzr_data_type;
if ($urlDataType == "items") {
$urlDataType = "items/top";
}
}
// LIST
// Collection ID
if ($mzr_collection_id == false) {
if (isset($_GET['collection_id']) && $mzr_include == false && preg_match("/^[a-zA-Z0-9]+\$/", $_GET['collection_id'])) {
$urlDataType = "collections/" . $_GET['collection_id'] . "/items";
}
} else {
$urlDataType = "collections/" . $mzr_collection_id . "/items";
}
// Item Key
if ($mzr_item_key != false) {
$urlDataType = "items/" . $mzr_item_key;
} else {
if (isset($_GET['item_key']) && $mzr_include == false && preg_match("/^[a-zA-Z0-9]+\$/", $_GET['item_key'])) {
$urlDataType = "items/" . $_GET['item_key'];
}
}
// Children
if ($mzr_get_children === true) {
$urlDataType .= "/children";
}
// Tag Name
if ($mzr_tag_name == false) {
if (isset($_GET['tag_name']) && $mzr_include == false && preg_match("/^[a-zA-Z0-9 -_+]+\$/", $_GET['tag_name'])) {
$urlDataType = "tags/" . str_replace(" ", "+", trim($_GET['tag_name'])) . "/items";
}
} else {
$mzr_tag_name = str_replace(" ", "+", trim($mzr_tag_name));
$urlDataType = "tags/" . $mzr_tag_name . "/items";
}
// PARAMETERS
// Author
$author = false;
if (isset($_GET['author']) && preg_match("/^[a-zA-Z0-9 -_+]+\$/", $_GET['author'])) {
$author = $_GET['author'];
}
// Year
$year = false;
if (isset($_GET['year']) && preg_match("/^[0-9]+\$/", $_GET['year'])) {
$year = $_GET['year'];
}
// Content
if (isset($_GET['content']) && preg_match("/^[a-zA-Z]+\$/", $_GET['content'])) {
$content = "&content=" . $_GET['content'];
} else {
if ($mzr_get_meta == true) {
$content = "&content=json";
} else {
if ($mzr_get_children == true) {
$content = "";
} else {
$content = "&content=bib";
}
}
}
// Style
if (isset($_GET['style']) && preg_match("/^[a-zA-Z-_]+\$/", $_GET['style'])) {
$style = "&style=" . $_GET['style'];
} else {
$style = "&style=apa";
}
if ($mzr_get_style == true) {
$style = "&style=" . $mzr_get_style;
}
// Order
$order = false;
if (isset($_GET['order']) && preg_match("/^[a-zA-Z]+\$/", $_GET['order'])) {
$order = "&order=" . $_GET['order'];
}
// Sort
$sort = false;
if (isset($_GET['sort']) && preg_match("/^[a-zA-Z]+\$/", $_GET['sort'])) {
$sort = "&sort=" . $_GET['sort'];
}
// Limit
if ($mzr_limit != false) {
if ($mzr_limit == -1) {
$mzr_limit = false;
} else {
$mzr_limit = "&limit=" . $mzr_limit;
}
} else {
if (isset($_GET['limit']) && $mzr_include == false && preg_match("/^[0-9]+\$/", $_GET['limit'])) {
$mzr_limit = "&limit=" . $_GET['limit'];
}
}
if ($author || $year) {
$mzr_limit = false;
}
// PUBLIC KEY
$zp_account = $wpdb->get_results("SELECT * FROM " . $wpdb->prefix . "zotpress WHERE api_user_id='" . $mzr_api_user_id . "'");
$public_key = $zp_account[0]->public_key;
// GENERATE URL: Users & Groups [& Children] ASSUMED TO BE SET AS: &format=bib
if (isset($_GET['children']) && preg_match("/^[a-zA-Z0-9]+\$/", $_GET['children'])) {
$zp_url = "https://api.zotero.org/" . $mzr_account_type . "/" . $mzr_api_user_id . "/" . $urlDataType . "/" . $_GET['children'] . "/children?key=" . $public_key;
} else {
if (isset($_GET['topLevel']) && trim($_GET['topLevel']) == "true") {
$zp_url = str_replace("/items", "/items/top", "https://api.zotero.org/" . $mzr_account_type . "/" . $mzr_api_user_id . "/" . $urlDataType . "?key=" . $public_key . $content . $style . $order . $sort . $mzr_limit);
} else {
$zp_url = "https://api.zotero.org/" . $mzr_account_type . "/" . $mzr_api_user_id . "/" . $urlDataType . "?key=" . $public_key . $content . $style . $order . $sort . $mzr_limit;
}
}
//echo "<br />" . $zp_url . "<br />";
// GET & DISPLAY CITATIONS
$zp_request = new ZotpressRequest();
$zp_xml = $zp_request->get_request_contents($zp_url, $mzr_force_recache);
}
return $zp_xml;
}
}
break;
}
}
// IMPORT NEW STYLES
if ($errorCheck == false) {
$zp_items_current_style_proceed = false;
// If style's already been changed, leave it
$query_items = str_replace(",", "','", $items);
$zp_items_current_style = $wpdb->get_results("SELECT style FROM " . $wpdb->prefix . "zotpress_zoteroItems WHERE item_key IN ('" . $query_items . "');", OBJECT);
foreach ($zp_items_current_style as $current_style) {
if ($current_style->style != $style) {
$zp_items_current_style_proceed = true;
}
}
if ($zp_items_current_style_proceed) {
$zp_import_contents = new ZotpressRequest();
// Get account
$zp_account = zp_get_account($wpdb, $api_user_id);
// Figure out whether account needs a key
//$nokey = zp_get_account_haskey ($zp_account);
$zp_import_url = "https://api.zotero.org/" . $zp_account[0]->account_type . "/" . $zp_account[0]->api_user_id . "/items?";
if (is_null($zp_account[0]->public_key) === false && trim($zp_account[0]->public_key) != "") {
$zp_import_url .= "key=" . $zp_account[0]->public_key . "&";
}
$zp_import_url .= "format=atom&content=bib&style=" . $style . "&itemKey=" . $items;
// Read the external data
$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);
$entries = $doc_citations->getElementsByTagName("entry");
function zp_get_tags($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);
}
