name = $name;
if (!file_exists($this->get_path())) {
$this->invalidate();
} else {
$this->read();
}
}
private function read() {
$content = file_get_contents($this->get_path() . '/data.json');
if ($content == null) {
$this->invalidate();
return;
}
$root = json_decode($content);
if ($root == null) {
$this->invalidate();
return;
}
$this->title = $root->{'title'};
$this->thumbnail = $root->{'thumbnail'};
$this->images = $root->{'images'};
if (property_exists($root, 'metadata')) {
$this->metadata = $root->{'metadata'};
}
}
private function invalidate() {
$this->title = null;
$this->thumbnail = null;
$this->images = null;
}
function is_valid() {
if ($this->title == null || $this->thumbnail == null || $this->images == null) {
return false;
}
if (!is_string($this->title) || !is_string($this->thumbnail) || !is_array($this->images)) {
return false;
}
foreach ($this->images as $image) {
if (!is_string($image)) {
return false;
}
}
unset($image);
return true;
}
function get_name() {
return $this->name;
}
function get_path() {
return AM_OPTIONS['root'] . '/' . $this::PATH_PREFIX . '/'
. $this->name;
}
function get_title() {
return $this->title;
}
function get_thumbnail() {
return $this->get_path() . '/' . $this->thumbnail;
}
function get_small_thumbnail() {
return $this::THUMB_PREFIX . '/small/' . $this->get_name() . '/' . $this->thumbnail;
}
function get_images() {
return $this->images;
}
function get_html() {
$out = '';
if (file_exists($this->get_thumbnail())) {
$type = mime_content_type($this->get_thumbnail());
}
$category = explode('/', $type)[0];
if (!file_exists($this->get_thumbnail())) {
$out .= '
';
} else if ($category == 'audio') {
$out .= '
';
} else {
$out .= ', ENT_QUOTES | ENT_HTML5) . ')
';
}
$album_len = count($this->get_images());
if ($album_len == 1) {
$out .= '' . $album_len . ' Image
';
} else {
$out .= '' . $album_len . ' Images
';
}
$out .= '' . htmlspecialchars($this->get_title(), ENT_QUOTES | ENT_HTML5) . '
';
$out .= '';
return $out;
}
function get_metadata($image) {
if ($image == null || !in_array($image, $this->images)) {
return null;
}
if ($this->metadata == null || !property_exists($this->metadata, $image)) {
return [
'description' => '',
'date' => '',
'time' => '',
'latitude' => '',
'longitude' => ''
];
}
$description = null;
$date = null;
$time = null;
$lat = null;
$lon = null;
if (property_exists($this->metadata->{$image}, 'description')) {
$description = $this->metadata->{$image}?->{'description'};
}
if (property_exists($this->metadata->{$image}, 'date')) {
$date = $this->metadata->{$image}?->{'date'};
}
if (property_exists($this->metadata->{$image}, 'time')) {
$time = $this->metadata->{$image}?->{'time'};
}
if (property_exists($this->metadata->{$image}, 'latitude')) {
$lat= $this->metadata->{$image}?->{'latitude'};
}
if (property_exists($this->metadata->{$image}, 'longitude')) {
$lon = $this->metadata->{$image}?->{'longitude'};
}
if ($lat && $lon && (preg_match($this::NUMBER_REGEX, $lat) === false || preg_match($this::NUMBER_REGEX, $lon) === false)) {
$lat = null;
$lon = null;
}
return [
'description' => $description == null ? '' : htmlspecialchars($description, ENT_QUOTES | ENT_HTML5),
'date' => $date == null ? '' : htmlspecialchars($date, ENT_QUOTES | ENT_HTML5),
'time' => $time == null ? '' : htmlspecialchars($time, ENT_QUOTES | ENT_HTML5),
'latitude' => $lat == null ? '' : htmlspecialchars($lat, ENT_QUOTES | ENT_HTML5),
'longitude' => $lon == null ? '' : htmlspecialchars($lon, ENT_QUOTES | ENT_HTML5)
];
}
function get_image_index($image) {
for ($i = 0; $i < count($this->images); ++$i) {
if ($image == $this->images[$i]) {
return $i;
}
}
return -1;
}
function get_image_entry($image) {
if ($image == null || !in_array($image, $this->images)) {
return null;
}
$index = $this->get_image_index($image);
$rpath = $this->get_path() . '/' . $image;
$path = htmlspecialchars($rpath);
if (file_exists($rpath)) {
$file_size = number_format(filesize($path));
$rtype = mime_content_type($path);
} else {
$file_size = 0;
$rtype = "Unknown";
}
$type = htmlspecialchars($rtype);
$category = explode('/', $type)[0];
$name = htmlspecialchars(basename($path));
$metadata = $this->get_metadata($image);
$entry = '';
return $entry;
}
}
?>