Optimised our sending and receiving of items

app/Classes/File/File.php

@@ -0,0 +1,101 @@
+<?php
+
+namespace App\Classes\File;
+
+use Illuminate\Support\Facades\Log;
+use Illuminate\Support\Facades\Storage;
+
+use App\Models\File as FileModel;
+
+final class File extends Send
+{
+	private const LOGKEY = 'ISF';
+
+	/** @var mixed Our open file descriptor */
+	private mixed $fd;
+
+	/**
+	 * @throws \Exception
+	 */
+	public function __construct(FileModel $file,int $type)
+	{
+		parent::__construct();
+
+		$this->f = $file;
+		$this->ftype = ((($type&0xff)<<8)|self::IS_FILE);
+	}
+
+	public function __get($key) {
+		switch ($key) {
+			case 'dbids':
+				return collect([$this->f->id]);
+
+			case 'full_name':
+			case 'nameas':
+				return $this->f->name;
+
+			case 'mtime':
+				return $this->f->datetime->timestamp;
+
+			case 'name':
+			case 'size':
+				return $this->f->{$key};
+
+			case 'type':
+				return ($this->ftype&0xff00)>>8;
+
+			default:
+				return parent::__get($key);
+		}
+	}
+
+	public function close(bool $successful): void
+	{
+		if ($successful)
+			$this->complete = TRUE;
+
+		fclose($this->fd);
+	}
+
+	public function feof(): bool
+	{
+		return feof($this->fd);
+	}
+
+	/**
+	 * Open a file for sending
+	 *
+	 * @param string $compress The compression method that will be used (not implemented)
+	 * @return bool
+	 */
+	public function open(string $compress=''): bool
+	{
+		// If sending file is a File::class, then our file is s3
+		if ($this->nameas && $this->f instanceof FileModel) {
+			$this->fd = Storage::readStream($this->f->full_storage_path);
+
+		} else {
+			$this->fd = fopen($this->full_name,'rb');
+
+			if (! $this->fd) {
+				Log::error(sprintf('%s:! Unable to open file [%s] for reading',self::LOGKEY,$this->full_name));
+
+				return FALSE;
+			}
+
+			Log::info(sprintf('%s:= File [%s] opened with size [%d]',self::LOGKEY,$this->full_name,$this->size));
+		}
+
+		return TRUE;
+	}
+
+	public function read(int $length): string
+	{
+		return fread($this->fd,$length);
+	}
+
+	public function seek(int $pos): bool
+	{
+		return (fseek($this->f,$pos,SEEK_SET) === 0);
+	}
+}