From 3991c819ba10ed9de374c903bb42f2b80f7b7d8d Mon Sep 17 00:00:00 2001
From: Shariq Ansari <sharique.rik@gmail.com>
Date: Sat, 11 Jan 2025 16:01:41 +0530
Subject: [PATCH] feat: receive call and log call

---
 crm/integrations/exotel/handler.py | 127 +++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 crm/integrations/exotel/handler.py

diff --git a/crm/integrations/exotel/handler.py b/crm/integrations/exotel/handler.py
new file mode 100644
index 00000000..df32020f
--- /dev/null
+++ b/crm/integrations/exotel/handler.py
@@ -0,0 +1,127 @@
+import frappe
+from frappe import _
+from frappe.integrations.utils import create_request_log
+
+
+@frappe.whitelist(allow_guest=True)
+def handle_request(**kwargs):
+	if not is_integration_enabled():
+		return
+
+	request_log = create_request_log(
+		kwargs,
+		request_description="Exotel Call",
+		service_name="Exotel",
+		request_headers=frappe.request.headers,
+		is_remote_request=1,
+	)
+	try:
+		request_log.status = "Completed"
+		exotel_settings = get_exotel_settings()
+		if not exotel_settings.enabled:
+			return
+
+		call_payload = kwargs
+		status = call_payload.get("Status")
+		if status == "free":
+			return
+
+		if call_log := get_call_log(call_payload):
+			update_call_log(call_payload, call_log=call_log)
+		else:
+			create_call_log(
+				call_id=call_payload.get("CallSid"),
+				from_number=call_payload.get("CallFrom"),
+				to_number=call_payload.get("DialWhomNumber"),
+				medium=call_payload.get("To"),
+				status=get_call_log_status(call_payload),
+			)
+	except Exception:
+		request_log.status = "Failed"
+		request_log.error = frappe.get_traceback()
+		frappe.db.rollback()
+		frappe.log_error(title="Error while creating call record")
+		frappe.db.commit()
+	finally:
+		request_log.save(ignore_permissions=True)
+		frappe.db.commit()
+
+
+def get_exotel_settings():
+	return frappe.get_single("CRM Exotel Settings")
+
+
+@frappe.whitelist()
+def is_integration_enabled():
+	return frappe.db.get_single_value("CRM Exotel Settings", "enabled", True)
+
+
+# Call Log Functions
+def create_call_log(
+	call_id,
+	from_number,
+	to_number,
+	medium,
+	status="Ringing",
+	call_type="Incoming",
+	link_to_document=None,
+):
+	call_log = frappe.new_doc("CRM Call Log")
+	call_log.id = call_id
+	call_log.to = to_number
+	call_log.medium = medium
+	call_log.type = call_type
+	call_log.status = status
+	setattr(call_log, "from", from_number)
+	if link_to_document:
+		call_log.append("links", link_to_document)
+	call_log.save(ignore_permissions=True)
+	frappe.db.commit()
+	return call_log
+
+
+def get_call_log(call_payload):
+	call_log_id = call_payload.get("CallSid")
+	if frappe.db.exists("CRM Call Log", call_log_id):
+		return frappe.get_doc("CRM Call Log", call_log_id)
+
+
+def get_call_log_status(call_payload):
+	status = call_payload.get("DialCallStatus")
+	call_type = call_payload.get("CallType")
+	dial_call_status = call_payload.get("DialCallStatus")
+
+	if call_type == "incomplete" and dial_call_status == "no-answer":
+		status = "No Answer"
+	elif call_type == "client-hangup" and dial_call_status == "canceled":
+		status = "Canceled"
+	elif call_type == "incomplete" and dial_call_status == "failed":
+		status = "Failed"
+	elif call_type == "completed":
+		status = "Completed"
+	elif dial_call_status == "busy":
+		status = "Ringing"
+
+	return status
+
+
+def update_call_log(call_payload, status="Ringing", call_log=None):
+	call_log = call_log or get_call_log(call_payload)
+	status = get_call_log_status(call_payload)
+	try:
+		if call_log:
+			call_log.status = status
+			# resetting this because call might be redirected to other number
+			call_log.to = call_payload.get("DialWhomNumber")
+			call_log.duration = (
+				call_payload.get("DialCallDuration") or call_payload.get("ConversationDuration") or 0
+			)
+			call_log.recording_url = call_payload.get("RecordingUrl")
+			call_log.start_time = call_payload.get("StartTime")
+			call_log.end_time = call_payload.get("EndTime")
+			call_log.save(ignore_permissions=True)
+			frappe.db.commit()
+			return call_log
+	except Exception:
+		frappe.log_error(title="Error while updating call record")
+		frappe.db.commit()