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import os
import logging
import json
from peewee import *
from peewee_migrate import Router
from apps.webui.internal.wrappers import register_connection
from config import SRC_LOG_LEVELS, DATA_DIR, DATABASE_URL, BACKEND_DIR
log = logging.getLogger(__name__)
log.setLevel(SRC_LOG_LEVELS["DB"])
class JSONField(TextField):
def db_value(self, value):
return json.dumps(value)
def python_value(self, value):
if value is not None:
return json.loads(value)
# Check if the file exists
if os.path.exists(f"{DATA_DIR}/ollama.db"):
# Rename the file
os.rename(f"{DATA_DIR}/ollama.db", f"{DATA_DIR}/webui.db")
log.info("Database migrated from Ollama-WebUI successfully.")
else:
pass
# The `register_connection` function encapsulates the logic for setting up
# the database connection based on the connection string, while `connect`
# is a Peewee-specific method to manage the connection state and avoid errors
# when a connection is already open.
try:
DB = register_connection(DATABASE_URL)
log.info(f"Connected to a {DB.__class__.__name__} database.")
except Exception as e:
log.error(f"Failed to initialize the database connection: {e}")
raise
router = Router(
DB,
migrate_dir=BACKEND_DIR / "apps" / "webui" / "internal" / "migrations",
logger=log,
)
router.run()
try:
DB.connect(reuse_if_open=True)
except OperationalError as e:
log.info(f"Failed to connect to database again due to: {e}")
pass
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