113 lines
3.7 KiB
Python
113 lines
3.7 KiB
Python
import sqlite3
|
|
import uuid
|
|
from datetime import datetime
|
|
|
|
|
|
class SQLiteManager:
|
|
def __init__(self, db_path=":memory:"):
|
|
self.connection = sqlite3.connect(db_path, check_same_thread=False)
|
|
self._migrate_history_table()
|
|
self._create_history_table()
|
|
|
|
def _migrate_history_table(self):
|
|
with self.connection:
|
|
cursor = self.connection.cursor()
|
|
|
|
cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='history'")
|
|
table_exists = cursor.fetchone() is not None
|
|
|
|
if table_exists:
|
|
# Rename the old table
|
|
cursor.execute("ALTER TABLE history RENAME TO old_history")
|
|
|
|
cursor.execute("""
|
|
CREATE TABLE IF NOT EXISTS history (
|
|
id TEXT PRIMARY KEY,
|
|
memory_id TEXT,
|
|
old_memory TEXT,
|
|
new_memory TEXT,
|
|
new_value TEXT,
|
|
event TEXT,
|
|
created_at DATETIME,
|
|
updated_at DATETIME,
|
|
is_deleted INTEGER
|
|
)
|
|
""")
|
|
|
|
# Copy data from the old table to the new table
|
|
cursor.execute("""
|
|
INSERT INTO history (id, memory_id, old_memory, new_memory, new_value, event, created_at, updated_at, is_deleted)
|
|
SELECT id, memory_id, prev_value, new_value, new_value, event, timestamp, timestamp, is_deleted
|
|
FROM old_history
|
|
""")
|
|
|
|
cursor.execute("DROP TABLE old_history")
|
|
|
|
self.connection.commit()
|
|
|
|
|
|
def _create_history_table(self):
|
|
with self.connection:
|
|
self.connection.execute(
|
|
"""
|
|
CREATE TABLE IF NOT EXISTS history (
|
|
id TEXT PRIMARY KEY,
|
|
memory_id TEXT,
|
|
old_memory TEXT,
|
|
new_memory TEXT,
|
|
new_value TEXT,
|
|
event TEXT,
|
|
created_at DATETIME,
|
|
updated_at DATETIME,
|
|
is_deleted INTEGER
|
|
)
|
|
"""
|
|
)
|
|
|
|
def add_history(self, memory_id, old_memory, new_memory, event, created_at = None, updated_at = None, is_deleted=0):
|
|
with self.connection:
|
|
self.connection.execute(
|
|
"""
|
|
INSERT INTO history (id, memory_id, old_memory, new_memory, event, created_at, updated_at, is_deleted)
|
|
VALUES (?, ?, ?, ?, ?, ?, ?, ?)
|
|
""",
|
|
(
|
|
str(uuid.uuid4()),
|
|
memory_id,
|
|
old_memory,
|
|
new_memory,
|
|
event,
|
|
created_at,
|
|
updated_at,
|
|
is_deleted,
|
|
),
|
|
)
|
|
|
|
def get_history(self, memory_id):
|
|
cursor = self.connection.execute(
|
|
"""
|
|
SELECT id, memory_id, old_memory, new_memory, event, created_at, updated_at
|
|
FROM history
|
|
WHERE memory_id = ?
|
|
ORDER BY updated_at ASC
|
|
""",
|
|
(memory_id,),
|
|
)
|
|
rows = cursor.fetchall()
|
|
return [
|
|
{
|
|
"id": row[0],
|
|
"memory_id": row[1],
|
|
"old_memory": row[2],
|
|
"new_memory": row[3],
|
|
"event": row[4],
|
|
"created_at": row[5],
|
|
"updated_at": row[6],
|
|
}
|
|
for row in rows
|
|
]
|
|
|
|
def reset(self):
|
|
with self.connection:
|
|
self.connection.execute("DROP TABLE IF EXISTS history")
|