WIP

pycroft/lib/finance/repayment/fields.py

@@ -9,7 +9,9 @@ class IBANField(fields.Field):
     to a string.
     """
 
-    def _deserialize(self, value: Any, attr: str | None, data: Mapping[str, Any], **kwargs) -> IBAN:
+    def _deserialize(
+        self, value: Any, attr: str | None, data: Mapping[str, Any], **kwargs
+    ) -> IBAN:
         try:
             return IBAN(value, validate_bban=True)
         except ValueError as error:

pycroft/model/repayment.py

@@ -0,0 +1,16 @@
+from sqlalchemy import String, ForeignKey
+from sqlalchemy.orm import relationship, Mapped, mapped_column
+
+from pycroft.model.base import IntegerIdModel
+
+
+class RepaymentRequest(IntegerIdModel):
+    """A request for transferring back excess membership contributions"""
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    user_id: Mapped[int] = mapped_column(
+        ForeignKey("user.id", ondelete="CASCADE", onupdate="CASCADE")
+    )
+    beneficiary: Mapped[str] = mapped_column(nullable=False)
+    iban: Mapped[str] = mapped_column(String, nullable=False)
+    amount: Mapped[Decimal] = mapped_column(Decimal, nullable=False)

web/blueprints/finance/__init__.py

@@ -1556,3 +1556,8 @@ def payment_reminder_mail() -> ResponseReturnValue:
                            page_title="Zahlungserinnerungen per E-Mail versenden",
                            form_args=form_args,
                            form=form)
+
+@bp.route("/repayment_requests", methods=("GET", "POST"))
+@access.require("finance_change")
+def handle_repayment_requests() -> ResponseReturnValue:
+    return render_template()