mirror of
https://github.com/openvk/openvk
synced 2024-11-11 09:29:29 +03:00
251 lines
8.5 KiB
PHP
251 lines
8.5 KiB
PHP
<?php declare(strict_types=1);
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namespace openvk\Web\Models\Entities;
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use MessagePack\MessagePack;
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use openvk\Web\Models\Entities\Album;
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use openvk\Web\Models\Repositories\Albums;
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use Chandler\Database\DatabaseConnection as DB;
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use Nette\InvalidStateException as ISE;
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use Nette\Utils\Image;
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class Photo extends Media
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{
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protected $tableName = "photos";
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protected $fileExtension = "jpeg";
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const ALLOWED_SIDE_MULTIPLIER = 7;
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private function resizeImage(string $filename, string $outputDir, \SimpleXMLElement $size): array
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{
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$res = [false];
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$image = Image::fromFile($filename);
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$requiresProportion = ((string) $size["requireProp"]) != "none";
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if($requiresProportion) {
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$props = explode(":", (string) $size["requireProp"]);
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$px = (int) $props[0];
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$py = (int) $props[1];
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if(($image->getWidth() / $image->getHeight()) > ($px / $py)) {
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# For some weird reason using resize with EXACT flag causes system to consume an unholy amount of RAM
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$image->crop(0, 0, "100%", (int) ceil(($px * $image->getWidth()) / $py));
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$res[0] = true;
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}
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}
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if(isset($size["maxSize"])) {
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$maxSize = (int) $size["maxSize"];
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$image->resize($maxSize, $maxSize, Image::SHRINK_ONLY | Image::FIT);
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} else if(isset($size["maxResolution"])) {
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$resolution = explode("x", (string) $size["maxResolution"]);
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$image->resize((int) $resolution[0], (int) $resolution[1], Image::SHRINK_ONLY | Image::FIT);
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} else {
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throw new \RuntimeException("Malformed size description: " . (string) $size["id"]);
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}
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$res[1] = $image->getWidth();
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$res[2] = $image->getHeight();
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if($res[1] <= 300 || $res[2] <= 300)
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$image->save("$outputDir/" . (string) $size["id"] . ".gif");
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else
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$image->save("$outputDir/" . (string) $size["id"] . ".jpeg");
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imagedestroy($image->getImageResource());
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unset($image);
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return $res;
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}
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private function saveImageResizedCopies(string $filename, string $hash): void
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{
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$dir = dirname($this->pathFromHash($hash));
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$dir = "$dir/$hash" . "_cropped";
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if(!is_dir($dir)) {
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@unlink($dir); # Added to transparently bypass issues with dead pesudofolders summoned by buggy SWIFT impls (selectel)
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mkdir($dir);
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}
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$sizes = simplexml_load_file(OPENVK_ROOT . "/data/photosizes.xml");
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if(!$sizes)
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throw new \RuntimeException("Could not load photosizes.xml!");
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$sizesMeta = [];
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foreach($sizes->Size as $size)
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$sizesMeta[(string) $size["id"]] = $this->resizeImage($filename, $dir, $size);
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$sizesMeta = MessagePack::pack($sizesMeta);
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$this->stateChanges("sizes", $sizesMeta);
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}
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protected function saveFile(string $filename, string $hash): bool
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{
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$image = Image::fromFile($filename);
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if(($image->height >= ($image->width * Photo::ALLOWED_SIDE_MULTIPLIER)) || ($image->width >= ($image->height * Photo::ALLOWED_SIDE_MULTIPLIER)))
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throw new ISE("Invalid layout: image is too wide/short");
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$image->resize(8192, 4320, Image::SHRINK_ONLY | Image::FIT);
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$image->save($this->pathFromHash($hash), 92, Image::JPEG);
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$this->saveImageResizedCopies($filename, $hash);
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return true;
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}
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function crop(real $left, real $top, real $width, real $height): void
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{
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if(isset($this->changes["hash"]))
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$hash = $this->changes["hash"];
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else if(!is_null($this->getRecord()))
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$hash = $this->getRecord()->hash;
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else
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throw new ISE("Cannot crop uninitialized image. Please call setFile(\$_FILES[...]) first.");
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$image = Image::fromFile($this->pathFromHash($hash));
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$image->crop($left, $top, $width, $height);
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$image->save($this->pathFromHash($hash));
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}
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function isolate(): void
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{
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if(is_null($this->getRecord()))
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throw new ISE("Cannot isolate unpresisted image. Please save() it first.");
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DB::i()->getContext()->table("album_relations")->where("media", $this->getRecord()->id)->delete();
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}
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function getSizes(bool $upgrade = false, bool $forceUpdate = false): ?array
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{
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$sizes = $this->getRecord()->sizes;
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if(!$sizes || $forceUpdate) {
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if($forceUpdate || $upgrade || OPENVK_ROOT_CONF["openvk"]["preferences"]["photos"]["upgradeStructure"]) {
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$hash = $this->getRecord()->hash;
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$this->saveImageResizedCopies($this->pathFromHash($hash), $hash);
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$this->save();
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return $this->getSizes();
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}
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return NULL;
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}
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$res = [];
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$sizes = MessagePack::unpack($sizes);
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foreach($sizes as $id => $meta) {
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$url = $this->getURL();
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$url = str_replace(".$this->fileExtension", "_cropped/$id.", $url);
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$url .= ($meta[1] <= 300 || $meta[2] <= 300) ? "gif" : "jpeg";
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$res[$id] = (object) [
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"url" => $url,
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"width" => $meta[1],
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"height" => $meta[2],
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"crop" => $meta[0]
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];
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}
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[$x, $y] = $this->getDimensions();
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$res["UPLOADED_MAXRES"] = (object) [
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"url" => $this->getURL(),
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"width" => $x,
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"height" => $y,
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"crop" => false
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];
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return $res;
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}
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function getVkApiSizes(): ?array
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{
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$res = [];
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$sizes = $this->getSizes();
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if(!$sizes)
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return NULL;
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$manifest = simplexml_load_file(OPENVK_ROOT . "/data/photosizes.xml");
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if(!$manifest)
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return NULL;
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$mappings = [];
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foreach($manifest->Size as $size)
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$mappings[(string) $size["id"]] = (string) $size["vkId"];
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foreach($sizes as $id => $meta) {
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$type = $mappings[$id] ?? $id;
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$meta->type = $type;
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$res[$type] = $meta;
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}
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return $res;
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}
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function getURLBySizeId(string $size): string
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{
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$sizes = $this->getSizes();
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if(!$sizes)
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return $this->getURL();
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$size = $sizes[$size];
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if(!$size)
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return $this->getURL();
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return $size->url;
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}
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function getDimensions(): array
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{
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$x = $this->getRecord()->width;
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$y = $this->getRecord()->height;
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if(!$x) { # no sizes in database
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$hash = $this->getRecord()->hash;
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$image = Image::fromFile($this->pathFromHash($hash));
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$x = $image->getWidth();
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$y = $image->getHeight();
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$this->stateChanges("width", $x);
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$this->stateChanges("height", $y);
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$this->save();
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}
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return [$x, $y];
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}
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function getAlbum(): ?Album
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{
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return (new Albums)->getAlbumByPhotoId($this);
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}
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function toVkApiStruct(): object
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{
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$res = (object) [];
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$res->id = $res->pid = $this->getId();
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$res->owner_id = $res->user_id = $this->getOwner()->getId()->getId();
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$res->aid = $res->album_id = NULL;
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$res->width = $this->getDimensions()[0];
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$res->height = $this->getDimensions()[1];
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$res->date = $res->created = $this->getPublicationTime()->timestamp();
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$res->sizes = $this->getVkApiSizes();
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$res->src_small = $res->photo_75 = $this->getURLBySizeId("miniscule");
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$res->src = $res->photo_130 = $this->getURLBySizeId("tiny");
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$res->src_big = $res->photo_604 = $this->getURLBySizeId("normal");
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$res->src_xbig = $res->photo_807 = $this->getURLBySizeId("large");
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$res->src_xxbig = $res->photo_1280 = $this->getURLBySizeId("larger");
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$res->src_xxxbig = $res->photo_2560 = $this->getURLBySizeId("original");
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$res->src_original = $res->url = $this->getURLBySizeId("UPLOADED_MAXRES");
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return $res;
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}
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static function fastMake(int $owner, string $description = "", array $file, ?Album $album = NULL, bool $anon = false): Photo
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{
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$photo = new static;
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$photo->setOwner($owner);
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$photo->setDescription(iconv_substr($description, 0, 36) . "...");
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$photo->setAnonymous($anon);
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$photo->setCreated(time());
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$photo->setFile($file);
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$photo->save();
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if(!is_null($album))
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$album->addPhoto($photo);
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return $photo;
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}
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}
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