art-museum/root/Album.php
2024-10-28 14:09:57 -07:00

217 lines
7.7 KiB
PHP

<?php
/* Copyright (C) 2021 Alexander Rosenberg
* This file is AGPL v3. See LICENSE file for more information
*/
class Album {
private const PATH_PREFIX = 'albums';
private const THUMB_PREFIX = 'thumbnails';
private const NUMBER_REGEX = '/^[0-9]+(\\.[0-9]+)?$/';
private $name;
private $title;
private $thumbnail;
private $images;
private $metadata;
function __construct($name) {
$this->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() {
$out = '<a href="view.php?album=' . urlencode($this->get_name()) . '" class="album-wrapper">';
if (file_exists($this->get_thumbnail())) {
$type = mime_content_type($this->get_thumbnail());
}
$category = explode('/', $type)[0];
if (!file_exists($this->get_thumbnail())) {
$out .= '<img class="album-thumbnail" src="missing-image-icon.svg"/>';
} else if ($category == 'audio') {
$out .= '<img class="album-thumbnail" src="music-icon.svg"/>';
} else {
$out .= '<img class="album-thumbnail" src="' . htmlspecialchars($this->get_small_thumbnail(), ENT_QUOTES | ENT_HTML5) . '"/>';
}
$album_len = count($this->get_images());
if ($album_len == 1) {
$out .= '<div class="album-length">' . $album_len . ' Image</div>';
} else {
$out .= '<div class="album-length">' . $album_len . ' Images</div>';
}
$out .= '<div class="album-title">' . htmlspecialchars($this->get_title(), ENT_QUOTES | ENT_HTML5) . '</div>';
$out .= '</a>';
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);
$entry = '<div class="sidebar-image-wrapper" onclick="set_main_image('
. strval($index) . ')" ' . "data-size='$file_size' data-type='$type' data-name='$name' data-desc='"
. $metadata['description'] . "' data-date='" . $metadata['date'] . "' data-time='" . $metadata['time'] . "' "
. "data-lat='" . $metadata['latitude'] . "' data-lon='" . $metadata['longitude'] . "'>";
if (!file_exists($rpath)) {
$entry .= '<img style="display: none" class="sidebar-image" data-src="missing-image-icon.svg"/>';
} else if ($category == 'video') {
$thumb_name = htmlspecialchars($this->get_name() . '/' . $image);
$entry .= '<img style="display: none" class="sidebar-image" ';
$entry .= 'data-src="' . $thumb_name . '" ';
$entry .= 'data-type="' . $type . '" ';
$entry .= 'data-videopath="' . $path . '"/>';
} else if ($category == 'audio') {
$entry .= '<img class="sidebar-image" src="music-icon.svg" ';
$entry .= 'data-audiotype="' . $type . '" ';
$entry .= 'data-audiopath="' . $path . '"/>';
} else {
list($width, $height) = getimagesize($rpath);
$path = htmlspecialchars($this->get_name() . '/' . $image);
$entry .= '<img style="display: none" class="sidebar-image" data-src="' . $path . '" ' .
'data-size="' . $width . 'x' . $height . '" />';
}
$entry .= '</div>';
return $entry;
}
}
?>