Database schema: Added user.created column.

matemat/db/facade.py

@@ -114,7 +114,7 @@ class MatematDatabase(object):
             user_id, username, email, is_admin, is_member, balance, receipt_p = row
             try:
                 receipt_pref: ReceiptPreference = ReceiptPreference(receipt_p)
-            except ValueError as e:
+            except ValueError:
                 raise DatabaseConsistencyError(f'{receipt_p} is not a valid ReceiptPreference')
             return User(user_id, username, balance, email, is_admin, is_member, receipt_pref)
 
@@ -144,8 +144,8 @@ class MatematDatabase(object):
                 raise ValueError(f'A user with the name \'{username}\' already exists.')
             # Insert the user into the database.
             c.execute('''
-              INSERT INTO users (username, email, password, balance, is_admin, is_member, lastchange)
+              INSERT INTO users (username, email, password, balance, is_admin, is_member, lastchange, created)
-              VALUES (:username, :email, :pwhash, 0, :admin, :member, STRFTIME('%s', 'now'))
+              VALUES (:username, :email, :pwhash, 0, :admin, :member, STRFTIME('%s', 'now'), STRFTIME('%s', 'now'))
             ''', {
                 'username': username,
                 'email': email,

matemat/db/migrations.py

@@ -116,8 +116,18 @@ def migrate_schema_1_to_2(c: sqlite3.Cursor):
 
 
 def migrate_schema_2_to_3(c: sqlite3.Cursor):
-    # Add missing column to users table
+    # Add missing columns to users table
     c.execute('ALTER TABLE users ADD COLUMN receipt_pref INTEGER(1) NOT NULL DEFAULT 0')
+    c.execute('''ALTER TABLE users ADD COLUMN created INTEGER(8) NOT NULL DEFAULT 0''')
+    # Guess creation date based on the oldest entry in the database related to the user ( -1 minute for good measure)
+    c.execute('''
+    UPDATE users
+      SET created = COALESCE(
+        (SELECT MIN(t.date)
+          FROM transactions AS t
+          WHERE t.user_id = users.user_id),
+        lastchange) - 60
+    ''')
 
     # Fix ON DELETE in transactions table
     c.execute('''

matemat/db/schemas.py

@@ -114,7 +114,8 @@ SCHEMAS[3] = [
       is_member INTEGER(1) NOT NULL DEFAULT 1,
       balance INTEGER(8) NOT NULL DEFAULT 0,
       lastchange INTEGER(8) NOT NULL DEFAULT 0,
-      receipt_pref INTEGER(1) NOT NULL DEFAULT 0
+      receipt_pref INTEGER(1) NOT NULL DEFAULT 0,
+      created INTEGER(8) NOT NULL DEFAULT 0
     );
     ''',
     '''

matemat/db/test/test_migrations.py

@@ -134,7 +134,8 @@ class TestMigrations(unittest.TestCase):
             INSERT INTO users VALUES
               (1, 'testadmin', 'a@b.c', '$2a$10$herebehashes', NULL, 1, 1, 1337, 0),
               (2, 'testuser', NULL, '$2a$10$herebehashes', '$2a$10$herebehashes', 0, 1, 4242, 0),
-              (3, 'alien', NULL, '$2a$10$herebehashes', '$2a$10$herebehashes', 0, 0, 1234, 0)
+              (3, 'alien', NULL, '$2a$10$herebehashes', '$2a$10$herebehashes', 0, 0, 1234, 0),
+              (4, 'neverused', NULL, '$2a$10$herebehashes', '$2a$10$herebehashes', 0, 0, 1234, 1234)
         ''')
         cursor.execute('''
             INSERT INTO products VALUES
@@ -167,6 +168,10 @@ class TestMigrations(unittest.TestCase):
         cursor.execute('''SELECT COUNT(receipt_id) FROM receipts''')
         self.assertEqual(0, cursor.fetchone()[0])
 
+        # Make sure users.created was populated with the expected values
+        cursor.execute('''SELECT u.created FROM users AS u ORDER BY u.user_id ASC''')
+        self.assertEqual([(940,), (941,), (942,), (1174,)], cursor.fetchall())
+
         # Make sure the modifications table was changed to contain the username, or a fallback
         cursor.execute('''SELECT agent FROM modifications WHERE ta_id = 2''')
         self.assertEqual('testadmin', cursor.fetchone()[0])

matemat/db/test/test_wrapper.py

@@ -53,12 +53,12 @@ class DatabaseTest(unittest.TestCase):
         with self.db as db:
             with db.transaction() as c:
                 c.execute('''
-                INSERT INTO users VALUES (1, 'testuser', NULL, 'supersecurepassword', NULL, 1, 1, 0, 42, 0)
+                INSERT INTO users VALUES (1, 'testuser', NULL, 'supersecurepassword', NULL, 1, 1, 0, 42, 0, 0)
                 ''')
             c = db._sqlite_db.cursor()
             c.execute("SELECT * FROM users")
             user = c.fetchone()
-            self.assertEqual((1, 'testuser', None, 'supersecurepassword', None, 1, 1, 0, 42, 0), user)
+            self.assertEqual((1, 'testuser', None, 'supersecurepassword', None, 1, 1, 0, 42, 0, 0), user)
 
     def test_transaction_rollback(self) -> None:
         """
@@ -68,7 +68,7 @@ class DatabaseTest(unittest.TestCase):
             try:
                 with db.transaction() as c:
                     c.execute('''
-                      INSERT INTO users VALUES (1, 'testuser', NULL, 'supersecurepassword', NULL, 1, 1, 0, 42, 0)
+                      INSERT INTO users VALUES (1, 'testuser', NULL, 'supersecurepassword', NULL, 1, 1, 0, 42, 0, 0)
                     ''')
                     raise ValueError('This should trigger a rollback')
             except ValueError as e: