добавил систему миграций и связь одной записи Redmine с несколькими активностями Clockify и запретил отправку трудочасов при инициализации базы данных

migrations/__init__.py

@@ -0,0 +1 @@
+"""Миграции локальной базы данных приложения."""

migrations/a7f3c9e1_redmine_clockify_relation.py

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+"""Меняет связь Redmine и Clockify с один-к-одному на один-ко-многим."""
+
+import sqlite3
+
+
+def upgrade(connection: sqlite3.Connection):
+    """Переносит внешний ключ записи Redmine в активности Clockify."""
+    connection.execute(
+        """ALTER TABLE activity
+           ADD COLUMN time_entry_id INTEGER REFERENCES time_entry(id)"""
+    )
+    connection.execute(
+        """UPDATE activity
+           SET time_entry_id = (
+               SELECT time_entry.id
+               FROM time_entry
+               WHERE time_entry.activity_id = activity.id
+               LIMIT 1
+           )"""
+    )
+    connection.execute(
+        """CREATE TABLE time_entry_new (
+               id INTEGER PRIMARY KEY,
+               description VARCHAR NOT NULL,
+               date DATETIME NOT NULL,
+               time_spent NUMERIC NOT NULL,
+               task_id INTEGER NOT NULL,
+               activity_type_id INTEGER NOT NULL,
+               author_id INTEGER NOT NULL,
+               FOREIGN KEY (author_id) REFERENCES user(id),
+               FOREIGN KEY (task_id) REFERENCES task(id),
+               FOREIGN KEY (activity_type_id) REFERENCES activity_type(id)
+           )"""
+    )
+    connection.execute(
+        """INSERT INTO time_entry_new(
+               id, description, date, time_spent, task_id, activity_type_id, author_id
+           )
+           SELECT id, description, date, time_spent, task_id, activity_type_id, author_id
+           FROM time_entry"""
+    )
+    connection.execute("DROP TABLE time_entry")
+    connection.execute("ALTER TABLE time_entry_new RENAME TO time_entry")
+    connection.execute(
+        "CREATE INDEX activity_time_entry_id_idx ON activity(time_entry_id)"
+    )