BTCPay: add paid/receipt flow and redirect support

api/app/main.py

@@ -201,7 +201,13 @@ def startup():
             connection.execute(
                 text(
                     "ALTER TABLE users "
-                    "ADD COLUMN IF NOT EXISTS btcpay_checkout_style VARCHAR DEFAULT 'standard'"
+                    "ADD COLUMN IF NOT EXISTS btcpay_checkout_style VARCHAR DEFAULT 'btcpay_classic'"
+                )
+            )
+            connection.execute(
+                text(
+                    "ALTER TABLE users "
+                    "ALTER COLUMN btcpay_checkout_style SET DEFAULT 'btcpay_classic'"
                 )
             )
             connection.execute(
@@ -212,10 +218,21 @@ def startup():
             )
             connection.execute(
                 text(
-                    "UPDATE users SET btcpay_checkout_style = 'standard' "
+                    "UPDATE users SET btcpay_checkout_style = 'btcpay_classic' "
                     "WHERE btcpay_checkout_style IS NULL"
                 )
             )
+            connection.execute(
+                text(
+                    "UPDATE users "
+                    "SET btcpay_checkout_style = 'btcpay_classic' "
+                    "WHERE btcpay_checkout_style = 'standard' "
+                    "AND NOT EXISTS ("
+                    "  SELECT 1 FROM profile_history ph "
+                    "  WHERE ph.user_id = users.id AND ph.field_name = 'btcpay_checkout_style'"
+                    ")"
+                )
+            )
             connection.execute(
                 text(
                     "UPDATE users SET default_confirmation_target = 2 "

api/app/models.py

@@ -128,7 +128,7 @@ class User(Base):
     default_confirmation_target = Column(Integer, nullable=False, server_default="2")
     default_qr_logo = Column(String, nullable=False, server_default="monero")
     default_qr_logo_data_url = Column(String, nullable=True)
-    btcpay_checkout_style = Column(String, nullable=False, server_default="standard")
+    btcpay_checkout_style = Column(String, nullable=False, server_default="btcpay_classic")
     created_at = Column(DateTime(timezone=True), server_default=func.now())
     updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
 

api/app/qr_codes.py

@@ -37,12 +37,24 @@ def ensure_invoice_qr_png(
             detail="QR storage is not configured",
         )
     os.makedirs(storage_dir, exist_ok=True)
+    try:
+        os.chmod(storage_dir, 0o755)
+    except Exception:
+        pass
     filename = f"{invoice.id}.png"
     path = os.path.join(storage_dir, filename)
     if os.path.exists(path):
+        try:
+            os.chmod(path, 0o644)
+        except Exception:
+            pass
         return path
     png_bytes = build_invoice_qr_png_bytes(invoice=invoice, settings=settings)
     _atomic_write(path, png_bytes)
+    try:
+        os.chmod(path, 0o644)
+    except Exception:
+        pass
     return path
 
 

api/app/routes.py

@@ -4,6 +4,7 @@ from datetime import datetime, timedelta, timezone
 from decimal import Decimal, ROUND_DOWN
 import csv
 import io
+import json
 
 from fastapi import APIRouter, Depends, HTTPException, Query, Request, Response, status
 from fastapi.responses import StreamingResponse
@@ -239,6 +240,11 @@ def _public_invoice_status_response(
     response = InvoiceStatusResponse.model_validate(invoice)
     metadata = invoice.metadata_json or {}
     update: dict[str, Any] = {}
+    if invoice.total_paid_atomic is not None:
+        total_paid = (Decimal(invoice.total_paid_atomic) / Decimal("1000000000000")).quantize(
+            Decimal("0.000000000001"), rounding=ROUND_DOWN
+        )
+        update["amount_paid_xmr"] = format_xmr_amount(total_paid)
     btcpay_data = metadata.get("btcpay") if isinstance(metadata, dict) else None
     if isinstance(btcpay_data, dict):
         amount = btcpay_data.get("amount")
@@ -250,8 +256,30 @@ def _public_invoice_status_response(
                 user = db.query(User).filter(User.id == invoice.user_id).first()
                 if user and user.btcpay_checkout_style:
                     update["btcpay_checkout_style"] = user.btcpay_checkout_style
+        checkout = btcpay_data.get("checkout")
+        if isinstance(checkout, dict):
+            redirect_url = checkout.get("redirectURL")
+            if isinstance(redirect_url, str) and redirect_url.strip():
+                update["btcpay_redirect_url"] = redirect_url.strip()
+            redirect_auto = checkout.get("redirectAutomatically")
+            if isinstance(redirect_auto, bool):
+                update["btcpay_redirect_automatically"] = redirect_auto
     if isinstance(metadata, dict) and isinstance(metadata.get("quote"), dict):
         update["quote"] = metadata.get("quote")
+    if isinstance(metadata, dict) and isinstance(metadata.get("posData"), str):
+        try:
+            pos_data = json.loads(metadata.get("posData", ""))
+        except (TypeError, ValueError, json.JSONDecodeError):
+            pos_data = None
+        if isinstance(pos_data, dict):
+            woo = pos_data.get("WooCommerce")
+            if isinstance(woo, dict):
+                order_id = woo.get("Order ID")
+                order_number = woo.get("Order Number")
+                if order_id is not None:
+                    update["btcpay_order_id"] = str(order_id)
+                if order_number is not None:
+                    update["btcpay_order_number"] = str(order_number)
     qr = metadata.get("qr") if isinstance(metadata, dict) else None
     if isinstance(qr, dict):
         logo = qr.get("logo")

api/app/schemas.py

@@ -126,6 +126,7 @@ class InvoiceStatusResponse(BaseModel):
     address: str
     subaddress_index: int | None = None
     amount_xmr: Decimal
+    amount_paid_xmr: str | None = None
     status: InvoiceStatus
     confirmation_target: int
     confirmations: int = 0
@@ -140,6 +141,10 @@ class InvoiceStatusResponse(BaseModel):
     btcpay_amount: str | None = None
     btcpay_currency: str | None = None
     btcpay_checkout_style: BtcpayCheckoutStyle | None = None
+    btcpay_redirect_url: str | None = None
+    btcpay_redirect_automatically: bool | None = None
+    btcpay_order_id: str | None = None
+    btcpay_order_number: str | None = None
     quote: dict[str, Any] | None = None
     qr_url: str | None = None
 
@@ -156,7 +161,7 @@ class ProfileResponse(BaseModel):
     default_confirmation_target: conint(ge=0, le=10) = 2
     default_qr_logo: QrLogoMode = "monero"
     default_qr_logo_data_url: str | None = None
-    btcpay_checkout_style: BtcpayCheckoutStyle = "standard"
+    btcpay_checkout_style: BtcpayCheckoutStyle = "btcpay_classic"
     created_at: datetime