Optimised our sending and receiving of items

app/Classes/File/Mail.php

@@ -6,44 +6,80 @@ use Carbon\Carbon;
 
 use App\Classes\FTN\Packet;
 
-class Mail extends Item
+final class Mail extends Send
 {
-	private Packet $file;
+	/** @var int Our internal position counter */
+	private int $readpos;
 
 	/**
 	 * @throws \Exception
 	 */
-	public function __construct(Packet $mail,int $action)
+	public function __construct(Packet $mail,int $type)
 	{
-		switch ($action) {
-			case self::I_SEND:
-				$this->file = $mail;
+		parent::__construct();
 
-				break;
-
-			default:
-				throw new \Exception('Unknown action: '.$action);
-		}
-
-		$this->action = $action;
+		$this->f = $mail;
+		$this->ftype = ((($type&0xff)<<8)|self::IS_PKT);
+		$this->readpos = 0;
 	}
 
 	public function __get($key) {
 		switch ($key) {
-			case 'file': return $this->file;
-			case 'messages': return $this->file->messages;
+			case 'dbids':
+				return $this->f->messages->pluck('dbid');
+
+			case 'name':
+				return sprintf('%08x',timew($this->youngest()));
+
+			case 'nameas':
+				return sprintf('%s.pkt',$this->name);
+
+			case 'mtime':
+				return $this->youngest()->timestamp;
+
+			case 'size':
+				return strlen($this->f);
+
+			case 'type':
+				return ($this->ftype&0xff00)>>8;
+
 			default:
 				return parent::__get($key);
 		}
 	}
 
-	public function read(int $start,int $length): string
+	public function close(bool $successful): void
 	{
-		return substr((string)$this->file,$start,$length);
+		if ($successful)
+			$this->complete = TRUE;
+	}
+
+	public function feof(): bool
+	{
+		return ($this->readpos === $this->size);
+	}
+
+	public function open(string $compress=''): bool
+	{
+		return TRUE;
+	}
+
+	public function read(int $length): string
+	{
+		$result = substr((string)$this->f,$this->readpos,$length);
+		$this->readpos += strlen($result);
+
+		return $result;
+	}
+
+	public function seek(int $pos): bool
+	{
+		$this->readpos = ($pos < $this->size) ? $pos : $this->size;
+		 return TRUE;
 	}
 
 	public function youngest(): Carbon
 	{
-		return $this->file->messages->pluck('date')->sort()->last();
+		return $this->f->messages->pluck('date')->sort()->last();
 	}
 }