add platform_medium field to Conversation model

bots/migrations/0104_conversation_platform_medium.py

@@ -0,0 +1,24 @@
+# Generated by Django 5.1.3 on 2025-06-19 13:53
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bots", "0103_alter_botintegration_public_visibility"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="conversation",
+            name="platform_medium",
+            field=models.CharField(
+                blank=True,
+                choices=[("SMS", "SMS"), ("VOICE", "Voice")],
+                default="",
+                help_text="Platform medium (Voice / SMS etc.)",
+                max_length=32,
+            ),
+        ),
+    ]

bots/models/convo_msg.py

@@ -32,6 +32,11 @@ class ConvoState(models.IntegerChoices):
     ASK_FOR_FEEDBACK_THUMBS_DOWN = 2, "Ask for feedback (👎)"
 
 
+class PlatformMedium(models.TextChoices):
+    SMS = "SMS", "SMS"
+    VOICE = "VOICE", "Voice"
+
+
 class ConversationQuerySet(models.QuerySet):
     def distinct_by_user_id(self) -> QuerySet["Conversation"]:
         """Get unique conversations"""
@@ -238,6 +243,14 @@ class Conversation(models.Model):
         help_text="Twilio call sid (only used if each call is a new conversation)",
     )
 
+    platform_medium = models.CharField(
+        max_length=32,
+        choices=PlatformMedium.choices,
+        blank=True,
+        default="",
+        help_text="Platform medium (Voice / SMS etc.)",
+    )
+
     web_user_id = models.CharField(
         max_length=512,
         blank=True,

daras_ai_v2/bots.py

@@ -589,6 +589,8 @@ def build_system_vars(convo: Conversation, user_msg_id: str) -> tuple[dict, dict
             variables["bot_twilio_phone_number"] = (
                 bi.twilio_phone_number and bi.twilio_phone_number.as_international
             )
+            variables["platform_medium"] = convo.platform_medium
+
     variables_schema = {var: {"role": "system"} for var in variables}
     return variables, variables_schema
 

daras_ai_v2/twilio_bot.py

@@ -9,7 +9,7 @@
 from twilio.twiml import TwiML
 from twilio.twiml.voice_response import VoiceResponse
 
-from bots.models import BotIntegration, Platform, Conversation
+from bots.models import BotIntegration, Conversation, Platform, PlatformMedium
 from daras_ai_v2 import settings
 from daras_ai_v2.bots import BotInterface, ReplyButton
 from daras_ai_v2.fastapi_tricks import get_api_route_url
@@ -29,6 +29,7 @@ def __init__(self, data: dict):
             bot_integration=bi,
             twilio_phone_number=data["From"][0],
             twilio_call_sid="",
+            platform_medium=PlatformMedium.SMS,
         )[0]
 
         self.bot_id = bi.twilio_phone_number.as_e164
@@ -175,6 +176,7 @@ def __init__(
         audio_url: str = None,
     ):
         self.convo = convo
+        self.convo.platform_medium = PlatformMedium.VOICE
 
         self.bot_id = convo.bot_integration.twilio_phone_number.as_e164
         self.user_id = convo.twilio_phone_number.as_e164