Implement removing accounts from Nordigen

handler/sinks/nordigen.py

@@ -5,7 +5,16 @@ from twisted.internet.task import LoopingCall
 import requests
 from simplejson.errors import JSONDecodeError
 from json import dumps, loads
-from lib.serde.nordigen import TXRoot, AccessToken, Institutions, Agreement, Requisitions, AccountDetails, AccountBalancesRoot
+from lib.serde.nordigen import (
+    TXRoot,
+    AccessToken,
+    Institutions,
+    Agreement,
+    Requisitions,
+    AccountDetails,
+    AccountBalancesRoot,
+    RequisitionResponse,
+)
 from serde import ValidationError
 
 # Project imports
@@ -163,6 +172,21 @@ class Nordigen(util.Base):
 
         return False
 
+    def delete_requisition(self, requisition_id):
+        """
+        Delete a requisision ID.
+        """
+        headers = {"accept": "application/json", "Authorization": f"Bearer {self.token}"}
+        path = f"{settings.Nordigen.Base}/requisitions/{requisition_id}/"
+        r = requests.delete(path, headers=headers)
+        try:
+            obj = RequisitionResponse.from_json(r.content)
+        except ValidationError as err:
+            self.log.error(f"Validation error: {err}")
+            return
+        parsed = obj.to_dict()
+        return parsed
+
     def get_accounts(self, requisition):
         """
         Get a list of accounts for a requisition.
@@ -231,6 +255,24 @@ class Nordigen(util.Base):
 
         return currency
 
+    def unmap_account(self, account_id):
+        """
+        Unmap an account_id at a bank to an account_name.
+        This disables the account for fetching.
+        Data type: {"monzo":   [account, ids, here],
+                    "revolut": [account, ids, here]}
+        """
+
+        existing_entry = loads(settings.Nordigen.Maps)
+        if account_id not in existing_entry:
+            return
+        else:
+            existing_entry.remove(account_id)
+
+        settings.Nordigen.Maps = dumps(existing_entry)
+        self.banks = existing_entry
+        settings.write()
+
     def get_all_account_info(self):
         to_return = {}
         requisitions = self.get_requisitions()