Merge remote-tracking branch 'upstream/dev' into feat/oauth

backend/apps/webui/internal/db.py

@@ -1,11 +1,12 @@
+import os
+import logging
 import json
 
 from peewee import *
 from peewee_migrate import Router
-from playhouse.db_url import connect
+
+from apps.webui.internal.wrappers import register_connection
 from config import SRC_LOG_LEVELS, DATA_DIR, DATABASE_URL, BACKEND_DIR
-import os
-import logging
 
 log = logging.getLogger(__name__)
 log.setLevel(SRC_LOG_LEVELS["DB"])
@@ -28,12 +29,26 @@ if os.path.exists(f"{DATA_DIR}/ollama.db"):
 else:
     pass
 
-DB = connect(DATABASE_URL)
-log.info(f"Connected to a {DB.__class__.__name__} database.")
+
+# 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()
-DB.connect(reuse_if_open=True)
+try:
+    DB.connect(reuse_if_open=True)
+except OperationalError as e:
+    log.info(f"Failed to connect to database again due to: {e}")
+    pass

backend/apps/webui/internal/migrations/013_add_user_info.py

@@ -0,0 +1,48 @@
+"""Peewee migrations -- 002_add_local_sharing.py.
+
+Some examples (model - class or model name)::
+
+    > Model = migrator.orm['table_name']            # Return model in current state by name
+    > Model = migrator.ModelClass                   # Return model in current state by name
+
+    > migrator.sql(sql)                             # Run custom SQL
+    > migrator.run(func, *args, **kwargs)           # Run python function with the given args
+    > migrator.create_model(Model)                  # Create a model (could be used as decorator)
+    > migrator.remove_model(model, cascade=True)    # Remove a model
+    > migrator.add_fields(model, **fields)          # Add fields to a model
+    > migrator.change_fields(model, **fields)       # Change fields
+    > migrator.remove_fields(model, *field_names, cascade=True)
+    > migrator.rename_field(model, old_field_name, new_field_name)
+    > migrator.rename_table(model, new_table_name)
+    > migrator.add_index(model, *col_names, unique=False)
+    > migrator.add_not_null(model, *field_names)
+    > migrator.add_default(model, field_name, default)
+    > migrator.add_constraint(model, name, sql)
+    > migrator.drop_index(model, *col_names)
+    > migrator.drop_not_null(model, *field_names)
+    > migrator.drop_constraints(model, *constraints)
+
+"""
+
+from contextlib import suppress
+
+import peewee as pw
+from peewee_migrate import Migrator
+
+
+with suppress(ImportError):
+    import playhouse.postgres_ext as pw_pext
+
+
+def migrate(migrator: Migrator, database: pw.Database, *, fake=False):
+    """Write your migrations here."""
+
+    # Adding fields info to the 'user' table
+    migrator.add_fields("user", info=pw.TextField(null=True))
+
+
+def rollback(migrator: Migrator, database: pw.Database, *, fake=False):
+    """Write your rollback migrations here."""
+
+    # Remove the settings field
+    migrator.remove_fields("user", "info")

backend/apps/webui/internal/migrations/014_add_files.py

@@ -0,0 +1,55 @@
+"""Peewee migrations -- 009_add_models.py.
+
+Some examples (model - class or model name)::
+
+    > Model = migrator.orm['table_name']            # Return model in current state by name
+    > Model = migrator.ModelClass                   # Return model in current state by name
+
+    > migrator.sql(sql)                             # Run custom SQL
+    > migrator.run(func, *args, **kwargs)           # Run python function with the given args
+    > migrator.create_model(Model)                  # Create a model (could be used as decorator)
+    > migrator.remove_model(model, cascade=True)    # Remove a model
+    > migrator.add_fields(model, **fields)          # Add fields to a model
+    > migrator.change_fields(model, **fields)       # Change fields
+    > migrator.remove_fields(model, *field_names, cascade=True)
+    > migrator.rename_field(model, old_field_name, new_field_name)
+    > migrator.rename_table(model, new_table_name)
+    > migrator.add_index(model, *col_names, unique=False)
+    > migrator.add_not_null(model, *field_names)
+    > migrator.add_default(model, field_name, default)
+    > migrator.add_constraint(model, name, sql)
+    > migrator.drop_index(model, *col_names)
+    > migrator.drop_not_null(model, *field_names)
+    > migrator.drop_constraints(model, *constraints)
+
+"""
+
+from contextlib import suppress
+
+import peewee as pw
+from peewee_migrate import Migrator
+
+
+with suppress(ImportError):
+    import playhouse.postgres_ext as pw_pext
+
+
+def migrate(migrator: Migrator, database: pw.Database, *, fake=False):
+    """Write your migrations here."""
+
+    @migrator.create_model
+    class File(pw.Model):
+        id = pw.TextField(unique=True)
+        user_id = pw.TextField()
+        filename = pw.TextField()
+        meta = pw.TextField()
+        created_at = pw.BigIntegerField(null=False)
+
+        class Meta:
+            table_name = "file"
+
+
+def rollback(migrator: Migrator, database: pw.Database, *, fake=False):
+    """Write your rollback migrations here."""
+
+    migrator.remove_model("file")

backend/apps/webui/internal/migrations/015_add_functions.py

@@ -0,0 +1,61 @@
+"""Peewee migrations -- 009_add_models.py.
+
+Some examples (model - class or model name)::
+
+    > Model = migrator.orm['table_name']            # Return model in current state by name
+    > Model = migrator.ModelClass                   # Return model in current state by name
+
+    > migrator.sql(sql)                             # Run custom SQL
+    > migrator.run(func, *args, **kwargs)           # Run python function with the given args
+    > migrator.create_model(Model)                  # Create a model (could be used as decorator)
+    > migrator.remove_model(model, cascade=True)    # Remove a model
+    > migrator.add_fields(model, **fields)          # Add fields to a model
+    > migrator.change_fields(model, **fields)       # Change fields
+    > migrator.remove_fields(model, *field_names, cascade=True)
+    > migrator.rename_field(model, old_field_name, new_field_name)
+    > migrator.rename_table(model, new_table_name)
+    > migrator.add_index(model, *col_names, unique=False)
+    > migrator.add_not_null(model, *field_names)
+    > migrator.add_default(model, field_name, default)
+    > migrator.add_constraint(model, name, sql)
+    > migrator.drop_index(model, *col_names)
+    > migrator.drop_not_null(model, *field_names)
+    > migrator.drop_constraints(model, *constraints)
+
+"""
+
+from contextlib import suppress
+
+import peewee as pw
+from peewee_migrate import Migrator
+
+
+with suppress(ImportError):
+    import playhouse.postgres_ext as pw_pext
+
+
+def migrate(migrator: Migrator, database: pw.Database, *, fake=False):
+    """Write your migrations here."""
+
+    @migrator.create_model
+    class Function(pw.Model):
+        id = pw.TextField(unique=True)
+        user_id = pw.TextField()
+
+        name = pw.TextField()
+        type = pw.TextField()
+
+        content = pw.TextField()
+        meta = pw.TextField()
+
+        created_at = pw.BigIntegerField(null=False)
+        updated_at = pw.BigIntegerField(null=False)
+
+        class Meta:
+            table_name = "function"
+
+
+def rollback(migrator: Migrator, database: pw.Database, *, fake=False):
+    """Write your rollback migrations here."""
+
+    migrator.remove_model("function")

backend/apps/webui/internal/wrappers.py

@@ -0,0 +1,72 @@
+from contextvars import ContextVar
+from peewee import *
+from peewee import PostgresqlDatabase, InterfaceError as PeeWeeInterfaceError
+
+import logging
+from playhouse.db_url import connect, parse
+from playhouse.shortcuts import ReconnectMixin
+
+from config import SRC_LOG_LEVELS
+
+log = logging.getLogger(__name__)
+log.setLevel(SRC_LOG_LEVELS["DB"])
+
+db_state_default = {"closed": None, "conn": None, "ctx": None, "transactions": None}
+db_state = ContextVar("db_state", default=db_state_default.copy())
+
+
+class PeeweeConnectionState(object):
+    def __init__(self, **kwargs):
+        super().__setattr__("_state", db_state)
+        super().__init__(**kwargs)
+
+    def __setattr__(self, name, value):
+        self._state.get()[name] = value
+
+    def __getattr__(self, name):
+        value = self._state.get()[name]
+        return value
+
+
+class CustomReconnectMixin(ReconnectMixin):
+    reconnect_errors = (
+        # psycopg2
+        (OperationalError, "termin"),
+        (InterfaceError, "closed"),
+        # peewee
+        (PeeWeeInterfaceError, "closed"),
+    )
+
+
+class ReconnectingPostgresqlDatabase(CustomReconnectMixin, PostgresqlDatabase):
+    pass
+
+
+def register_connection(db_url):
+    db = connect(db_url)
+    if isinstance(db, PostgresqlDatabase):
+        # Enable autoconnect for SQLite databases, managed by Peewee
+        db.autoconnect = True
+        db.reuse_if_open = True
+        log.info("Connected to PostgreSQL database")
+
+        # Get the connection details
+        connection = parse(db_url)
+
+        # Use our custom database class that supports reconnection
+        db = ReconnectingPostgresqlDatabase(
+            connection["database"],
+            user=connection["user"],
+            password=connection["password"],
+            host=connection["host"],
+            port=connection["port"],
+        )
+        db.connect(reuse_if_open=True)
+    elif isinstance(db, SqliteDatabase):
+        # Enable autoconnect for SQLite databases, managed by Peewee
+        db.autoconnect = True
+        db.reuse_if_open = True
+        log.info("Connected to SQLite database")
+    else:
+        raise ValueError("Unsupported database connection")
+    return db