" . $str . "");
}
function mdl_exit_with_error($str) {
global $MDLerr, $body;
if ($str) mdl_error($str);
if ($body) echo "Error";
echo "Exiting with Errors...
" . $MDLerr;
if ($body) echo "";
exit();
}
function cache_flickr_data($collection,$pointer) {
global $cachedir, $cacheversion, $MDLerr, $record_meta, $flickr_meta;
$cachefile = "$cachedir$flickr_meta[Username]/$collection/$collection-$pointer.xml";
// mdl_exit_with_error(print_r($record_meta,true).print_r($flickr_meta,true));
$xml = new SimpleXMLElement("");
$xml->addChild("collection", urlencode($collection));
$xml->addChild("pointer", urlencode($pointer));
$xml->addChild("id", urlencode($record_meta['FlickrPhoto']['id']));
$xml->addChild("url", urlencode($record_meta['FlickrURL']));
$xml->addChild("square", urlencode($record_meta['FlickrSquare']));
$xml->addChild("user", urlencode($flickr_meta['Username']));
$xml->addChild("nsid", urlencode($flickr_meta['NSID']));
$xml->addChild("set", urlencode($flickr_meta['Set']));
$xml->addChild("version", urlencode($cacheversion));
$xml->addChild("date", urlencode($record_meta['Date']));
if (!write_file($cachefile, $xml->asXML())) {
mdl_error("could not write to cache: $cachefile");
return false;
}
return true;
}
function cache_exists($collection,$pointer) {
global $cachedir, $cacheversion, $MDLerr, $record_meta, $flickr_meta;
$cachefile = "$cachedir$flickr_meta[Username]/$collection/$collection-$pointer.xml";
return file_exists($cachefile);
}
function range2array($rangeString) {
// takes a string like "2,4,6,9-12 34 - 37 11 16;15 44, 45, 6 to 8 53; 112"
// and turns it into an array with one entry for each number in the set
$patterns = array (
'/(\d+) *- *(\d+)/',
'/(\d+) *to *(\d+)/',
'/[^\d-]+/'
);
$replacements = array(
'$1-$2',
'$1-$2',
' '
);
$resultString = preg_replace($patterns, $replacements, $rangeString);
$resultArray = array();
foreach(split(" ", $resultString) as $value) {
list($first, $second) = split("-",$value);
if ($second) {
if ($first < $second) {
$min = $first;
$max = $second;
} else {
$max = $first;
$min = $second;
}
foreach(range($min,$max) as $each) {
$resultArray[$each] = $each;
}
} else {
$resultArray[$first] = $first;
}
}
sort($resultArray);
return($resultArray);
}
function xml2assoc($xml) {
$tree = null;
while($xml->read())
switch ($xml->nodeType) {
case XMLReader::END_ELEMENT: return $tree;
case XMLReader::ELEMENT:
$node = array('tag' => $xml->name, 'value' => $xml->isEmptyElement ? '' : xml2assoc($xml));
if($xml->hasAttributes)
while($xml->moveToNextAttribute())
$node['attributes'][$xml->name] = $xml->value;
$tree[] = $node;
break;
case XMLReader::TEXT:
case XMLReader::CDATA:
$tree .= $xml->value;
}
return $tree;
}
function get_oai_list ($collection) {
global $contentdm_server, $config, $overall_tag;
global $identifier_array, $identifier_js, $desc_fields;
$record_list = array();
// this is the OAI url for CONTENTdm
$filename = "http://$contentdm_server/cgi-bin/oai.exe?verb=ListIdentifiers&set=$collection&metadataPrefix=oai_dc";
// we load up the XML response from CONTENTdm
if (!$xml = simplexml_load_file($filename)) {
mdl_error("Could not read from OAI: $filename");
return(0);
}
if ($xml->error) {
mdl_error("OAI Error Detected: $xml->error");
return(0);
}
// we start building some JavaScript to create an array for later
$identifier_js = "var idArray=new Array(";
// we walk down the XML tree looking for ListIdentifiers/header/identifier
foreach ($xml->ListIdentifiers->header as $identifier_record) {
// then we grab everything after the first slash, which should be the id number
list($toss, $id) = split("/",$identifier_record->identifier);
// save each id number to the identifier_array
$identifier_array[$id] = $id;
// and add each id number plus a comma to the JavaScript string
$identifier_js = $identifier_js . "\"$id\",";
}
// close off the JavaScript string
$identifier_js = $identifier_js . "\"\");";
return(1);
}
function clean_up($inString) {
// it looks like MDL Reflections has a lot of "" in it
// this function makes it easier to add other cleanup later
global $config;
if (in_array(strtolower($inString), $config[$config['use']][stoplist])) return("");
return str_replace('""','"',$inString);
}
function get_oai_data ($collection, $pointer) {
global $contentdm_server, $config, $overall_tag;
global $record_meta, $desc_fields;
$record_meta = array();
$filename = "http://$contentdm_server/cgi-bin/oai.exe?verb=GetRecord&identifier=oai:reflections.mndigital.org:$collection/$pointer&metadataPrefix=oai_dc";
/* the namespaces in OAI records make this a big headache with SimpleXML */
$xml = new XMLReader();
$xml->open($filename);
$assoc = xml2assoc($xml);
$xml->close();
$error = $assoc[0]['value'][2]['attributes']['code'];
if ($error) {
mdl_error("OAI Error Detected: $error"
. "
OAI response parsed into "
. print_r($assoc)
. "
"
);
return(0);
}
/* start by putting the institution name in the tags */
if ($config[$config['use']]['tag']) $meta['tags'][] = '"'.$config[$config['use']]['tag'].'"';
if ($overall_tag) $meta['tags'][] = "\"$overall_tag\"";
$usedtags[$config[$config['use']]['tag']] = true;
/* this is a very peculiar dive into a particular point in the returned array */
foreach($assoc[0]['value'][2]['value'][0]['value'][1]['value'][0]['value'] as $item) {
if($item['value']) {
switch($item['tag']) {
case 'dc:format':
if ($item['value'] != "image/tiff") {
$meta[$item['tag']][] = $item['value'];
}
break;
case 'dc:identifier':
if (!strncmp($item['value'], "http://", 7)) {
$meta['url'][] = $item['value'];
} else {
$meta[$item['tag']][] = $item['value'];
}
break;
case 'dc:subject':
case 'dc:coverage':
/* case 'dc:publisher': // it appears this is NOT the owner */
$meta[$item['tag']][] = $item['value'];
$tags = preg_split("/--|;\s*|:\s*/", $item['value']);
foreach($tags as $tag) {
$cleantag = clean_up($tag);
if ($cleantag && (!$usedtags[$cleantag])) {
$meta['tags'][] = "\"".$cleantag."\"";
$usedtags[$cleantag] = true;
}
}
break;
default:
$meta[$item['tag']][] = clean_up($item['value']);
}
}
}
$record_meta['Title'] = join("; ", $meta['dc:title']);
$record_meta['Tags'] = join(" ", $meta['tags']);
$record_meta['Description'] = join("; ", $meta["dc:description"]) . "\n\n";
foreach($desc_fields as $key => $value) {
if ($key == "dc:description") continue;
if ($meta[$key]) {
$record_meta['Description'] = $record_meta['Description'] . "$value: " . join("; ", $meta[$key]) . "\n";
}
}
$record_meta['Description'] = $record_meta['Description'] . "Link to our record: ";
foreach ($meta['url'] as $url) {
$record_meta['Description'] = $record_meta['Description'] . "$url";
}
$record_meta['Description'] = $record_meta['Description'] . "\n\n";
$record_meta['Description'] = $record_meta['Description'] . $config[$config['use']]['statement'];
// mdl_exit_with_error(print_r($meta, true).print_r($record_meta, true));
return(1);
}
function check_flickr() {
global $flickr, $flickr_meta, $config;
if (! ($config['apikey'] && $config['secret'] && $config[$config['use']]['token'])) {
mdl_error("Settings for ".$config['use']." are missing Flickr configuration information.");
return(0);
}
// Create new phpFlickr object
$flickr = new phpFlickr($config['apikey'],$config['secret']);
// $flickr->enableCache("db","mysql://[username]:[password]@[server]/[database]");
$flickr->setToken($config[$config['use']]['token']);
$token = $flickr->auth_checkToken();
// Find the NSID of the username inputted via the form
$flickr_meta['NSID'] = $token['user']['nsid'];
// Get the friendly URL of the user's photos
$flickr_meta['PhotosURL'] = $flickr->urls_getUserPhotos($flickr_meta['NSID']);
$flickr_meta['Username'] = $token['user']['username'];
// find our target photo set
$targetsetname = $config[$config['use']]['photoset'];
$photosets = $flickr->photosets_getList($flickr_meta['NSID']);
foreach ((array)$photosets['photoset'] as $photoset) {
if ($photoset['title'] == $targetsetname) {
$targetsetid = $photoset['id'];
}
}
if ($targetsetid) {
$flickr_meta['Set'] = $targetsetid;
return(1);
} else {
mdl_error("Flickr set \"".$config[$config['use']]['photoset']."\" not found "
. "on "
. $flickr_meta['Username'] . "'s account."
);
return(0);
}
}
function get_target_image ($collection, $pointer) {
global $fsdir, $record_meta, $target_dim, $contentdm_server;
$record_meta['Image'] = "";
// mdl_error("seeing $collection/$pointer"); return(0); // debugging placeholder
/* calculate and retrieve image */
$scale = 10;
$filename = "http://$contentdm_server/cgi-bin/getimage.exe?CISOROOT=/$collection&CISOPTR=$pointer&DMSCALE=$scale&DMWIDTH=20000&DMHEIGHT=20000";
// Get an initial image from which we learn the dimensions
$jpeg_header_data = get_jpeg_header_data( $filename );
$jpeg_intrinsic_array = get_jpeg_intrinsic_values($jpeg_header_data);
$width = $jpeg_intrinsic_array['Image Width'];
$height = $jpeg_intrinsic_array['Image Height'];
$largest_dimension = ($width > $height) ? $width : $height;
$new_scale = ($target_dim * $scale) / $largest_dimension;
// Now aim for the image at our target resolution
$filename = "http://$contentdm_server/cgi-bin/getimage.exe?CISOROOT=/$collection&CISOPTR=$pointer&DMSCALE=$new_scale&DMWIDTH=20000&DMHEIGHT=20000";
$jpeg_header_data = get_jpeg_header_data( $filename );
$jpeg_intrinsic_array = get_jpeg_intrinsic_values($jpeg_header_data);
$record_meta['Width'] = $jpeg_intrinsic_array['Image Width'];
$record_meta['Height'] = $jpeg_intrinsic_array['Image Height'];
// grab a local copy of the target file
$newname = "$collection$pointer-" . date('ymd') . "-$target_dim.jpg";
$ch = curl_init ($filename);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
$rawdata=curl_exec ($ch);
curl_close ($ch);
$fp = fopen("$fsdir$newname",'w');
fwrite($fp, $rawdata);
fclose($fp);
$record_meta['Image'] = $newname;
return(1);
}
function add_record_to_flickr () {
global $fsdir, $record_meta, $flickr_meta, $flickr;
if(! $flickr) {
if (! check_flickr()) {
mdl_exit_with_error();
}
}
$photoid = $flickr->sync_upload(
$fsdir.$record_meta['Image'],
$record_meta['Title'],
$record_meta['Description'],
$record_meta['Tags'],
0, 1, 1
);
if ($flickr->getErrorCode()) {
mdl_error($flickr->getErrorMsg());
return(0);
}
$flickr->photosets_addPhoto($flickr_meta['Set'], $photoid);
if ($flickr->getErrorCode()) {
mdl_error($flickr->getErrorMsg());
return(0);
}
$record_meta['FlickrPhoto'] = $flickr->photos_getInfo($photoid);
$record_meta['FlickrURL'] = $record_meta['FlickrPhoto']['urls']['url'][0]['_content'];
$record_meta['FlickrSquare'] = $flickr->buildPhotoURL($record_meta['FlickrPhoto'], "Square");
return(1);
}