function flickr_photos_exif_read(&$photo)
{
$map = flickr_photos_media_map();
if ($map[$photo['media']] == 'video') {
return not_okay("video does not contain EXIF data");
}
$fname = "{$photo['id']}_{$photo['originalsecret']}_o.{$photo['originalformat']}";
$froot = $GLOBALS['cfg']['flickr_static_path'] . flickr_photos_id_to_path($photo['id']);
$path = "{$froot}/{$fname}";
if (!preg_match("/\\.jpe?g\$/i", $path)) {
return not_okay("not a JPEG photo");
}
if (!file_exists($path)) {
return not_okay("original photo not found");
}
if (!filesize($path)) {
return not_okay("original photo is empty");
}
# TO DO: cache me?
$exif = exif_read_data($path);
if (!$exif) {
return not_okay("failed to read EXIF data");
}
# TO DO: expand EXIF tag values
$to_simplejoin = array('SubjectLocation', 'GPSLatitude', 'GPSLongitude', 'GPSTimeStamp');
foreach ($to_simplejoin as $tag) {
if (is_array($exif[$tag])) {
$exif[$tag] = implode(",", $exif[$tag]);
}
}
# TO DO: work out how/where individual EXIF tags get
# "prettified" ...
ksort($exif);
return okay(array("rows" => $exif));
}
function flickr_photos_metadata_path(&$photo)
{
$root = $GLOBALS['cfg']['flickr_static_path'];
$path = flickr_photos_id_to_path($photo['id']) . "/";
$fname = "{$photo['id']}_{$photo['originalsecret']}_i.json";
$meta = $root . $path . $fname;
return $meta;
}
function flickr_urls_photo_original(&$photo)
{
if ($GLOBALS['cfg']['enable_feature_storage_s3']) {
loadlib('storage_s3');
return storage_s3_url_photo($photo, 'o');
}
$secret = $photo['originalsecret'];
$sz = "o";
$ext = $photo['originalformat'];
$root = $GLOBALS['cfg']['flickr_static_url'];
$path = flickr_photos_id_to_path($photo['id']);
$fname = "{$photo['id']}_{$secret}_{$sz}.{$ext}";
return $root . $path . "/" . $fname;
}
function flickr_photos_import_photo_files(&$photo, $more = array())
{
if ($GLOBALS['cfg']['enable_feature_storage_s3']) {
return flickr_photos_import_photo_files_s3($photo, $more);
}
$root = "http://farm{$photo['farm']}.static.flickr.com/{$photo['server']}/{$photo['id']}";
$small = "{$root}_{$photo['secret']}_z.jpg";
$ext = $photo["originalsecret"] ? $photo["originalformat"] : "jpg";
if ($photo['originalsecret']) {
# This is probably really only necessary for
# Cal's account (20111208/straup)
$orig = $ext ? "{$root}_{$photo['originalsecret']}_o.{$ext}" : null;
} else {
$orig = "{$root}_{$photo['secret']}_b.{$ext}";
}
if ($photo['media'] == 1) {
# http://www.flickr.com/photos/straup/2378794972/play/site/3bfc8d2bb9/
# http://www.flickr.com/photos/straup/2378794972/play/orig/5771b28b4b/
$video = $photo['originalsecret'] ? "orig/{$photo['originalsecret']}" : "site/{$photo['secret']}";
$orig = "http://www.flickr.com/photos/{$nsid}/{$photo['id']}/play/{$video}";
}
#
$path = $GLOBALS['cfg']['flickr_static_path'] . flickr_photos_id_to_path($photo['id']);
if (!file_exists($path)) {
mkdir($path, 0755, true);
}
#
$local_small = "{$path}/" . basename($small);
$local_orig = "{$path}/" . basename($orig);
$local_info = str_replace("_o.{$photo['originalformat']}", "_i.json", $local_orig);
$local_comments = str_replace("_o.{$photo['originalformat']}", "_c.json", $local_orig);
# god how I wished we had implemented a system to records and pass back
# to the API *what* had actually changed when a photo was updated; for
# now we'll just assume that the photo hasn't been rotated or replaced...
# (2011115/straup)
$req = array();
if ($more['force'] || !file_exists($local_small)) {
$req[] = array($small, $local_small);
}
if ($more['force'] || !file_exists($local_orig)) {
# see above
if ($orig) {
$req[] = array($orig, $local_orig);
}
}
# for now, just always fetch meta files because who knows
# whether anything has changed; note the "json:foo:path"
# syntax which are hints to tell the code to handle http_multi
# responses (below) whether to inspect the contents of the
# data returned by the flickr API
if (!isset($more['skip_meta'])) {
# basic photo info
# viewer id and not photo owner?
$flickr_user = flickr_users_get_by_user_id($photo['user_id']);
$method = 'flickr.photos.getInfo';
$args = array('auth_token' => $flickr_user['auth_token'], 'photo_id' => $photo['id']);
list($url, $args) = flickr_api_call_build($method, $args);
$api_call = $url . "?" . http_build_query($args);
$req[] = array($api_call, "json:info:{$local_info}");
# fetch comments, which is to say check to see if there
# are any new photos worth storing
$fetch_comments = 1;
if ($more['min_date']) {
$method = 'flickr.photos.comments.getList';
$args = array('photo_id' => $photo['id'], 'min_comment_date' => $more['min_date']);
$rsp = flickr_api_call($method, $args);
if ($rsp['ok'] && !isset($rsp['rsp']['comments']['comment'])) {
$fetch_comments = 0;
}
}
if ($fetch_comments) {
$method = 'flickr.photos.comments.getList';
$args = array('photo_id' => $photo['id']);
list($url, $args) = flickr_api_call_build($method, $args);
$api_call = $url . "?" . http_build_query($args);
$req[] = array($api_call, "json:comments:{$local_comments}");
}
}
# now go!
# fetch all the bits using http_multi()
if ($count = count($req)) {
_flickr_photos_import_fetch_multi($req);
}
}
