Make commands async and improve error handling

handler/sinks/nordigen.py

@@ -316,6 +316,7 @@ class Nordigen(util.Base):
         existing_entry = loads(settings.Nordigen.Maps)
         self.banks = existing_entry
 
+    @inlineCallbacks
     def map_account(self, account_id):  # TODO: inlineCallbacks?
         """
         Map an account_id at a bank to an account_name.
@@ -323,7 +324,7 @@ class Nordigen(util.Base):
         Data type: {"monzo":   [account, ids, here],
                     "revolut": [account, ids, here]}
         """
-        account_data = self.get_account(account_id)
+        account_data = yield self.get_account(account_id)
         currency = account_data["currency"]
 
         existing_entry = loads(settings.Nordigen.Maps)
@@ -445,7 +446,7 @@ class Nordigen(util.Base):
             obj = AccountBalancesRoot.from_json(r.content)
         except ValidationError as err:
             self.log.error(f"Validation error: {err}")
-            return
+            return (False, False)
         parsed = obj.to_dict()["balances"]
         total = 0
         currency = None
@@ -453,7 +454,7 @@ class Nordigen(util.Base):
             if currency:
                 if not currency == entry["balanceAmount"]["currency"]:
                     self.log.error("Different currencies in balance query.")
-                    return
+                    return (False, False)
             if not entry["balanceType"] == "interimBooked":
                 continue
             total += float(entry["balanceAmount"]["amount"])
@@ -471,6 +472,8 @@ class Nordigen(util.Base):
             currency, amount = self.get_balance(account_id)
             if not amount:
                 continue
+            if not currency:
+                continue
             if currency in totals:
                 totals[currency] += amount
             else:

handler/ux/commands.py

@@ -887,15 +887,19 @@ class IRCCommands(object):
         authed = True
         helptext = "Enable an account_id at a bank for use in Nordigen. Usage: nmapaccount <account_id>"
 
+        @staticmethod
+        def got_map_account(account_name, account_id, msg):
+            if not account_name:
+                msg(f"Failed to map the account")
+                return
+            msg(f"Mapped account ID {account_id} to {account_name}")
+
         @staticmethod
         def run(cmd, spl, length, authed, msg, agora, tx, ux):
             if length == 2:
                 account_id = spl[1]
-                account_name = tx.sinks.nordigen.map_account(account_id)
+                c = tx.sinks.nordigen.map_account(account_id)
-                if not account_name:
+                c.addCallback(IRCCommands.nmapaccount.got_map_account, account_id, msg)
-                    msg(f"Failed to map the account")
-                    return
-                msg(f"Mapped account ID {account_id} to {account_name}")
 
     class nunmapaccount(object):
         name = "nunmapaccount"