[feat] Add stripe payments (#3184)

lnbits/fiat/__init__.py

@@ -0,0 +1,46 @@
+from __future__ import annotations
+
+import importlib
+from enum import Enum
+
+from lnbits.fiat.base import FiatProvider
+from lnbits.settings import settings
+
+from .stripe import StripeWallet
+
+fiat_module = importlib.import_module("lnbits.fiat")
+
+
+class FiatProviderType(Enum):
+    stripe = "StripeWallet"
+
+
+async def get_fiat_provider(name: str) -> FiatProvider:
+    if name not in FiatProviderType.__members__:
+        raise ValueError(f"Fiat provider '{name}' is not supported.")
+
+    fiat_provider = fiat_providers.get(name)
+    if fiat_provider:
+        status = await fiat_provider.status(only_check_settings=True)
+        if status.error_message:
+            await fiat_provider.cleanup()
+            del fiat_providers[name]
+        else:
+            return fiat_provider
+    fiat_providers[name] = _init_fiat_provider(FiatProviderType[name])
+    return fiat_providers[name]
+
+
+def _init_fiat_provider(fiat_provider: FiatProviderType) -> FiatProvider:
+    if not settings.is_fiat_provider_enabled(fiat_provider.name):
+        raise ValueError(f"Fiat provider '{fiat_provider.name}' not enabled.")
+    provider_constructor = getattr(fiat_module, fiat_provider.value)
+    return provider_constructor()
+
+
+fiat_providers: dict[str, FiatProvider] = {}
+
+
+__all__ = [
+    "StripeWallet",
+]