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apps/integrations/sms/behin.py

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+import logging
+import zeep
+from django.conf import settings
+from zeep.helpers import serialize_object
+from .base import SMSProvider, SMSResult
+
+logger = logging.getLogger(__name__)
+
+class BehinSMSProvider(SMSProvider):
+    """SOAP adapter for panel.behinsms.com, isolated from application code."""
+
+    def __init__(self):
+        self.username = settings.BEHIN_SMS_USERNAME
+        self.password = settings.BEHIN_SMS_PASSWORD
+        self.special_number = settings.BEHIN_SMS_SPECIAL_NUMBER
+        self.wsdl_url = settings.BEHIN_SMS_WSDL_URL
+        self._client = None
+
+    def _configuration_error(self):
+        missing = [name for name, value in (
+            ("BEHIN_SMS_USERNAME", self.username),
+            ("BEHIN_SMS_PASSWORD", self.password),
+            ("BEHIN_SMS_SPECIAL_NUMBER", self.special_number)
+        ) if not value]
+        return f"تنظیمات پیامک بهین ناقص است: {', '.join(missing)}" if missing else ""
+
+    @property
+    def client(self):
+        if self._client is None:
+            # استفاده از تنظیمات پیش‌فرض Zeep (مشابه نمونهٔ کاری)
+            self._client = zeep.Client(wsdl=self.wsdl_url)
+        return self._client
+
+    def get_credit(self):
+        error = self._configuration_error()
+        if error:
+            raise ValueError(error)
+        return self.client.service.GetCredit(UserName=self.username, Password=self.password)
+
+    def send_message(self, mobile, message):
+        return self.send_many([mobile], message)
+
+    def send_many(self, mobile_numbers, message, is_flash=False):
+        error = self._configuration_error()
+        if error:
+            return SMSResult(False, error=error)
+
+        recipients = list(dict.fromkeys(str(number).strip() for number in mobile_numbers if str(number).strip()))
+        if not recipients:
+            return SMSResult(False, error="شماره گیرنده پیامک خالی است.")
+
+        try:
+            response = self.client.service.SendArray(
+                UserName=self.username,
+                Password=self.password,
+                RecipientNumber={"string": recipients},
+                MessageBody=message,
+                SpecialNumber=self.special_number,
+                IsFlashMessage=is_flash,
+                CheckingMessageID={"long": [0] * len(recipients)}
+            )
+            serialized = serialize_object(response)
+            if serialized is False or serialized is None:
+                return SMSResult(False, error="وب‌سرویس بهین ارسال پیامک را تأیید نکرد.")
+            return SMSResult(True, provider_id=str(serialized)[:500])
+
+        except Exception as exc:
+            logger.exception("Behin SMS delivery failed")
+            return SMSResult(False, error=str(exc)[:1000])