Implemented "Balance change reason" field.

matemat/db/facade.py

@@ -266,9 +266,10 @@ class MatematDatabase(object):
         # Resolve the values to change
         name: str = kwargs['name'] if 'name' in kwargs else user.name
         email: str = kwargs['email'] if 'email' in kwargs else user.email
-        balance: int = kwargs['balance'] if 'balance' in kwargs else user.balance
         is_admin: bool = kwargs['is_admin'] if 'is_admin' in kwargs else user.is_admin
         is_member: bool = kwargs['is_member'] if 'is_member' in kwargs else user.is_member
+        balance: int = kwargs['balance'] if 'balance' in kwargs else user.balance
+        balance_reason: Optional[str] = kwargs['balance_reason'] if 'balance_reason' in kwargs else None
         receipt_pref: ReceiptPreference = kwargs['receipt_pref'] if 'receipt_pref' in kwargs else user.receipt_pref
         with self.db.transaction() as c:
             c.execute('SELECT balance FROM users WHERE user_id = :user_id', {'user_id': user.id})
@@ -287,11 +288,13 @@ class MatematDatabase(object):
                     'value': balance - oldbalance,
                     'old_balance': oldbalance
                 })
-                # TODO: Implement reason field
                 c.execute('''
                 INSERT INTO modifications (ta_id, agent, reason)
-                  VALUES (last_insert_rowid(), :agent, NULL)
-                ''', {'agent': agent.name})
+                  VALUES (last_insert_rowid(), :agent, :reason)
+                ''', {
+                    'agent': agent.name,
+                    'reason': balance_reason
+                })
             c.execute('''
             UPDATE users SET
               username = :username,

matemat/db/test/test_facade.py

@@ -174,7 +174,7 @@ class DatabaseTest(unittest.TestCase):
             agent = db.create_user('admin', 'supersecurepassword', 'admin@example.com', True, True)
             user = db.create_user('testuser', 'supersecurepassword', 'testuser@example.com', True, True)
             db.change_user(user, agent, email='newaddress@example.com', is_admin=False, is_member=False, balance=4200,
-                           receipt_pref=ReceiptPreference.MONTHLY)
+                           balance_reason='This is a reason!', receipt_pref=ReceiptPreference.MONTHLY)
             # Changes must be reflected in the passed user object
             self.assertEqual('newaddress@example.com', user.email)
             self.assertFalse(user.is_admin)
@@ -188,6 +188,9 @@ class DatabaseTest(unittest.TestCase):
             self.assertFalse(checkuser.is_member)
             self.assertEqual(4200, checkuser.balance)
             self.assertEqual(ReceiptPreference.MONTHLY, checkuser.receipt_pref)
+            with db.transaction(exclusive=False) as c:
+                c.execute('SELECT reason FROM modifications LIMIT 1')
+                self.assertEqual('This is a reason!', c.fetchone()[0])
             # Balance change without an agent must fail
             with self.assertRaises(ValueError):
                 db.change_user(user, None, balance=0)

matemat/webserver/pagelets/moduser.py

@@ -1,4 +1,4 @@
-from typing import Any, Dict, Union
+from typing import Any, Dict, Optional, Union
 
 import os
 import magic
@@ -103,6 +103,9 @@ def handle_change(args: RequestArguments, user: User, authuser: User, db: Matema
             return
         password = str(args.password)
         balance = parse_chf(str(args.balance))
+        balance_reason: Optional[str] = str(args.reason)
+        if balance_reason == '':
+            balance_reason = None
         is_member = 'ismember' in args
         is_admin = 'isadmin' in args
         # An empty e-mail field should be interpreted as NULL
@@ -115,7 +118,7 @@ def handle_change(args: RequestArguments, user: User, authuser: User, db: Matema
                 db.change_password(user, '', password, verify_password=False)
             # Write the user detail changes
             db.change_user(user, agent=authuser, name=username, email=email, is_member=is_member, is_admin=is_admin,
-                           balance=balance, receipt_pref=receipt_pref)
+                           balance=balance, balance_reason=balance_reason, receipt_pref=receipt_pref)
         except DatabaseConsistencyError:
             return
         # If a new avatar was uploaded, process it

templates/moduser.html

@@ -37,6 +37,9 @@
         <label for="moduser-account-balance">Balance: </label>
         CHF <input id="moduser-account-balance" name="balance" type="number" step="0.01" value="{{ user.balance|chf(False) }}" /><br/>
 
+        <label for="moduser-account-balance-reason">Reason for balance modification: </label>
+        <input id="moduser-account-balance-reason" type="text" name="reason" placeholder="Shows up on receipt" /><br/>
+
         <label for="moduser-account-avatar">
             <img height="150" src="/upload/thumbnails/users/{{ user.id }}.png" alt="Avatar of {{ user.name }}" />
         </label><br/>