Add monetization app with RevenueCat webhooks alongside Stripe.

Rename finance → monetization (keep finance_* tables via app label), add RevenueCat webhook + ledger upserts so store IAP syncs subscriptions and billing history like Stripe. Companion to chat_web_app#100 / #68.
2026-08-03 14:57:29 -05:00
parent bf3fffa343
commit 07c03ce65d
44 changed files with 965 additions and 102 deletions
@@ -0,0 +1,90 @@
+from rest_framework import serializers
+
+from monetization.models import Invoice, Payment, SubscriptionPlan
+
+
+class InvoiceSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Invoice
+        fields = [
+            "id",
+            "provider",
+            "status",
+            "currency",
+            "amount_due",
+            "amount_paid",
+            "period_start",
+            "period_end",
+            "stripe_invoice_id",
+            "stripe_checkout_session_id",
+            "stripe_subscription_id",
+            "revenuecat_event_id",
+            "revenuecat_store",
+            "hosted_invoice_url",
+            "description",
+            "created",
+            "last_modified",
+        ]
+        read_only_fields = fields
+
+
+class PaymentSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Payment
+        fields = [
+            "id",
+            "invoice",
+            "provider",
+            "status",
+            "currency",
+            "amount",
+            "stripe_payment_intent_id",
+            "stripe_charge_id",
+            "revenuecat_transaction_id",
+            "paid_at",
+            "failure_message",
+            "created",
+            "last_modified",
+        ]
+        read_only_fields = fields
+
+
+class CheckoutSessionSerializer(serializers.Serializer):
+    success_url = serializers.URLField(required=False, allow_blank=False)
+    cancel_url = serializers.URLField(required=False, allow_blank=False)
+    plan_slug = serializers.SlugField(required=False, allow_blank=False)
+
+
+class PortalSessionSerializer(serializers.Serializer):
+    return_url = serializers.URLField(required=False, allow_blank=False)
+
+
+class SubscriptionPlanSerializer(serializers.ModelSerializer):
+    features = serializers.SerializerMethodField()
+
+    class Meta:
+        model = SubscriptionPlan
+        fields = [
+            "slug",
+            "name",
+            "description",
+            "price_cents",
+            "currency",
+            "interval",
+            "is_public",
+            "is_selectable",
+            "features",
+            "prompt_quota_per_window",
+            "prompt_window_hours",
+            "monthly_token_quota",
+            "sort_order",
+        ]
+        read_only_fields = fields
+
+    def get_features(self, obj):
+        return {
+            "text_generation": obj.allows_feature("text_generation"),
+            "image_generation": obj.allows_feature("image_generation"),
+            "rag": obj.allows_feature("rag"),
+            "all_future_features": obj.allows_all_future_features,
+        }