initial

src/ValueObject/SmsMessage.php

@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types=1);
+
+namespace D3\LinkmobilityClient\ValueObject;
+
+use Assert\Assert;
+use Phlib\SmsLength\SmsLength;
+
+class SmsMessage extends StringValueObject
+{
+    const GSM_7BIT = '7-bit';
+    const GSM_UCS2 = 'ucs-2';
+
+    public function __construct(string $value)
+    {
+        parent::__construct($value);
+
+        $smsLength = new SmsLength($this->value);
+        $smsLength->validate();
+    }
+
+    /**
+     * @var bool
+     */
+    private $gsm7;
+
+    public function chunkCount() : int
+    {
+        $smsLength = new SmsLength($this->value);
+        return $smsLength->getMessageCount();
+    }
+
+    public function length() : int
+    {
+        $smsLength = new SmsLength($this->value);
+        $smsLength->getSize();
+    }
+
+    public function isGsm7() : bool
+    {
+        $smsLength = new SmsLength($this->value);
+        if (is_null($this->gsm7)) {
+            $this->gsm7 = $smsLength->getEncoding() === self::GSM_7BIT;
+        }
+
+        return $this->gsm7;
+    }
+
+    public function isUnicode() : bool
+    {
+        return !$this->isGsm7();
+    }
+}