reconcile: Add statement total and cleared total.

conservancy_beancount/reconcile/prototype_amex_reconciler.py

@@ -27,6 +27,7 @@ Problems in scope:
  - transactions are entered manually and reconciled after the fact, but importing from statements may be useful in some cases
 
 Q. How are reconciliation reports created currently? How do you read them?
+ - by hand from copying and pasting from the helper tool output
 
 TODO/ISSUES:
  - AMEX statement doesn't provide bank balance or running total
@@ -110,8 +111,11 @@ parser.add_argument('--account', required=True, help='eg. Liabilities:CreditCard
 parser.add_argument('--grep-output-filename')
 # parser.add_argument('--report-group-regex')
 parser.add_argument('--show-reconciled-matches', action='store_true')
+parser.add_argument('--statement-total', required=True)
 args = parser.parse_args()
 
+statement_total = decimal.Decimal(args.statement_total)
+
 # TODO: Should put in a sanity check to make sure the statement you're feeding
 # in matches the account you've provided.
 if 'AMEX' in args.account:
@@ -135,6 +139,16 @@ end_date = statement_trans[-1]['date']
 # but I'm not clear on how to use compile(). An example would help.
 entries, _, options = loader.load_file(args.beancount_file)
 
+total_query = f"""SELECT sum(COST(position)) AS aa WHERE account = "{args.account}"
+    AND date <= {end_date.isoformat()} AND META('bank-statement') != NULL"""
+result_types, result_rows = run_query(
+    entries,
+    options,
+    total_query,
+    numberify=True,
+)
+cleared_total = result_rows[0][0]
+
 # String concatenation looks bad, but there's no SQL injection possible here
 # because BQL can't write back to the Beancount files. I hope!
 query = f"SELECT filename, META('lineno') AS posting_line, META('bank-statement') AS posting_statement, date, number(cost(position)), payee, narration where account = '{args.account}' and date >= {begin_date} and date <= {end_date}"
@@ -183,6 +197,9 @@ print('-' * 155)
 for _, output in sorted(matches):
     print(output)
 print('-' * 155)
+print(f'STATEMENT TOTAL: {statement_total}')
+print(f'CLEARED TOTAL:   {cleared_total:12,.2f}')
+print('-' * 155)
 
 # Write statement metadata back to books
 if metadata_to_apply: