Add payment provider validation entrypoint

mandelstudio/launch_validation.py

@@ -0,0 +1,63 @@
+from __future__ import annotations
+
+import json
+import os
+from pathlib import Path
+
+from django.conf import settings
+from django.core.management.base import CommandError
+
+
+def _is_demo_data(value: str) -> bool:
+    normalized = "".join(ch for ch in str(value).lower() if ch.isalnum())
+    return "demodata" in normalized
+
+
+def validate_payment_provider_config() -> None:
+    installed_apps = list(settings.INSTALLED_APPS)
+    payment_apps = [app for app in installed_apps if "payment" in app.lower()]
+    checkout_apps = [app for app in installed_apps if "checkout" in app.lower()]
+
+    if not payment_apps:
+        raise CommandError("No payment app found in INSTALLED_APPS.")
+    if not checkout_apps:
+        raise CommandError("No checkout app found in INSTALLED_APPS.")
+    if not any("oscar_checkout" in app.lower() for app in checkout_apps):
+        raise CommandError("Oscar checkout app is not active.")
+    if any(_is_demo_data(app) for app in installed_apps):
+        raise CommandError(
+            "Demo data plugin detected in INSTALLED_APPS. Remove all demodata plugins before launch."
+        )
+    if any("dummy" in app.lower() for app in payment_apps):
+        raise CommandError(
+            "Dummy payment app detected in INSTALLED_APPS. Use a real provider plugin before production launch."
+        )
+
+    if any("mollie" in app.lower() for app in payment_apps):
+        mollie_settings = (
+            getattr(settings, "PAYMENT_MOLLIE", None)
+            or getattr(settings, "payment_mollie", None)
+            or {}
+        )
+        config_key = str(mollie_settings.get("api_key", "")).strip()
+        env_key = str(os.environ.get("MOLLIE_API_KEY", "")).strip()
+        effective_key = env_key or config_key
+        if not effective_key or effective_key.upper() == "CHANGE_ME":
+            raise CommandError(
+                "Mollie payment provider is enabled but no valid API key is configured. "
+                "Set MOLLIE_API_KEY or settings.payment_mollie.api_key to a real key."
+            )
+        if not effective_key.startswith("live_"):
+            raise CommandError(
+                "Mollie key must be a live key for production launch (expected prefix 'live_')."
+            )
+
+    config_path = Path(__file__).resolve().parent / "ocyan.json"
+    if config_path.exists():
+        with config_path.open("r", encoding="utf-8") as handle:
+            config_payload = json.load(handle)
+        config_plugins = [str(plugin) for plugin in config_payload.get("ocyan_plugins", [])]
+        if any(_is_demo_data(plugin) for plugin in config_plugins):
+            raise CommandError(
+                "Demo data plugin detected in ocyan.json. Remove it before launch."
+            )