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import time
from typing import Optional
from sqlalchemy.orm import Session
from open_webui.internal.db import Base, JSONField, get_db, get_db_context
from open_webui.models.groups import Groups
from open_webui.models.users import User, UserModel, Users, UserResponse
from open_webui.models.access_grants import AccessGrantModel, AccessGrants
from pydantic import BaseModel, ConfigDict, Field
from sqlalchemy import String, cast, or_, and_, func
from sqlalchemy.dialects import postgresql, sqlite
from sqlalchemy.dialects.postgresql import JSONB
from sqlalchemy import BigInteger, Column, Text, Boolean
log = logging.getLogger(__name__)
####################
# Models DB Schema
####################
# ModelParams is a model for the data stored in the params field of the Model table
class ModelParams(BaseModel):
model_config = ConfigDict(extra="allow")
pass
# ModelMeta is a model for the data stored in the meta field of the Model table
class ModelMeta(BaseModel):
profile_image_url: Optional[str] = "/static/favicon.png"
description: Optional[str] = None
"""
User-facing description of the model.
"""
capabilities: Optional[dict] = None
model_config = ConfigDict(extra="allow")
pass
class Model(Base):
__tablename__ = "model"
id = Column(Text, primary_key=True, unique=True)
"""
The model's id as used in the API. If set to an existing model, it will override the model.
"""
user_id = Column(Text)
base_model_id = Column(Text, nullable=True)
"""
An optional pointer to the actual model that should be used when proxying requests.
"""
name = Column(Text)
"""
The human-readable display name of the model.
"""
params = Column(JSONField)
"""
Holds a JSON encoded blob of parameters, see `ModelParams`.
"""
meta = Column(JSONField)
"""
Holds a JSON encoded blob of metadata, see `ModelMeta`.
"""
is_active = Column(Boolean, default=True)
updated_at = Column(BigInteger)
created_at = Column(BigInteger)
class ModelModel(BaseModel):
id: str
user_id: str
base_model_id: Optional[str] = None
name: str
params: ModelParams
meta: ModelMeta
access_grants: list[AccessGrantModel] = Field(default_factory=list)
is_active: bool
updated_at: int # timestamp in epoch
created_at: int # timestamp in epoch
model_config = ConfigDict(from_attributes=True)
####################
# Forms
####################
class ModelUserResponse(ModelModel):
user: Optional[UserResponse] = None
class ModelAccessResponse(ModelUserResponse):
write_access: Optional[bool] = False
class ModelResponse(ModelModel):
pass
class ModelListResponse(BaseModel):
items: list[ModelUserResponse]
total: int
class ModelAccessListResponse(BaseModel):
items: list[ModelAccessResponse]
total: int
class ModelForm(BaseModel):
id: str
base_model_id: Optional[str] = None
name: str
meta: ModelMeta
params: ModelParams
access_grants: Optional[list[dict]] = None
is_active: bool = True
class ModelsTable:
def _get_access_grants(
self, model_id: str, db: Optional[Session] = None
) -> list[AccessGrantModel]:
return AccessGrants.get_grants_by_resource("model", model_id, db=db)
def _to_model_model(self, model: Model, db: Optional[Session] = None) -> ModelModel:
model_data = ModelModel.model_validate(model).model_dump(
exclude={"access_grants"}
)
model_data["access_grants"] = self._get_access_grants(model_data["id"], db=db)
return ModelModel.model_validate(model_data)
def insert_new_model(
self, form_data: ModelForm, user_id: str, db: Optional[Session] = None
) -> Optional[ModelModel]:
try:
with get_db_context(db) as db:
result = Model(
**{
**form_data.model_dump(exclude={"access_grants"}),
"user_id": user_id,
"created_at": int(time.time()),
"updated_at": int(time.time()),
}
)
db.add(result)
db.commit()
db.refresh(result)
AccessGrants.set_access_grants(
"model", result.id, form_data.access_grants, db=db
)
if result:
return self._to_model_model(result, db=db)
else:
return None
except Exception as e:
log.exception(f"Failed to insert a new model: {e}")
return None
def get_all_models(self, db: Optional[Session] = None) -> list[ModelModel]:
with get_db_context(db) as db:
return [
self._to_model_model(model, db=db) for model in db.query(Model).all()
]
def get_models(self, db: Optional[Session] = None) -> list[ModelUserResponse]:
with get_db_context(db) as db:
all_models = db.query(Model).filter(Model.base_model_id != None).all()
user_ids = list(set(model.user_id for model in all_models))
users = Users.get_users_by_user_ids(user_ids, db=db) if user_ids else []
users_dict = {user.id: user for user in users}
models = []
for model in all_models:
user = users_dict.get(model.user_id)
models.append(
ModelUserResponse.model_validate(
{
**self._to_model_model(model, db=db).model_dump(),
"user": user.model_dump() if user else None,
}
)
)
return models
def get_base_models(self, db: Optional[Session] = None) -> list[ModelModel]:
with get_db_context(db) as db:
return [
self._to_model_model(model, db=db)
for model in db.query(Model).filter(Model.base_model_id == None).all()
]
def get_models_by_user_id(
self, user_id: str, permission: str = "write", db: Optional[Session] = None
) -> list[ModelUserResponse]:
models = self.get_models(db=db)
user_group_ids = {
group.id for group in Groups.get_groups_by_member_id(user_id, db=db)
}
return [
model
for model in models
if model.user_id == user_id
or AccessGrants.has_access(
user_id=user_id,
resource_type="model",
resource_id=model.id,
permission=permission,
user_group_ids=user_group_ids,
db=db,
)
]
def _has_permission(self, db, query, filter: dict, permission: str = "read"):
return AccessGrants.has_permission_filter(
db=db,
query=query,
DocumentModel=Model,
filter=filter,
resource_type="model",
permission=permission,
)
def search_models(
self,
user_id: str,
filter: dict = {},
skip: int = 0,
limit: int = 30,
db: Optional[Session] = None,
) -> ModelListResponse:
with get_db_context(db) as db:
# Join GroupMember so we can order by group_id when requested
query = db.query(Model, User).outerjoin(User, User.id == Model.user_id)
query = query.filter(Model.base_model_id != None)
if filter:
query_key = filter.get("query")
if query_key:
query = query.filter(
or_(
Model.name.ilike(f"%{query_key}%"),
Model.base_model_id.ilike(f"%{query_key}%"),
User.name.ilike(f"%{query_key}%"),
User.email.ilike(f"%{query_key}%"),
User.username.ilike(f"%{query_key}%"),
)
)
view_option = filter.get("view_option")
if view_option == "created":
query = query.filter(Model.user_id == user_id)
elif view_option == "shared":
query = query.filter(Model.user_id != user_id)
# Apply access control filtering
query = self._has_permission(
db,
query,
filter,
permission="read",
)
tag = filter.get("tag")
if tag:
# TODO: This is a simple implementation and should be improved for performance
like_pattern = f'%"{tag.lower()}"%' # `"tag"` inside JSON array
meta_text = func.lower(cast(Model.meta, String))
query = query.filter(meta_text.like(like_pattern))
order_by = filter.get("order_by")
direction = filter.get("direction")
if order_by == "name":
if direction == "asc":
query = query.order_by(Model.name.asc())
else:
query = query.order_by(Model.name.desc())
elif order_by == "created_at":
if direction == "asc":
query = query.order_by(Model.created_at.asc())
else:
query = query.order_by(Model.created_at.desc())
elif order_by == "updated_at":
if direction == "asc":
query = query.order_by(Model.updated_at.asc())
else:
query = query.order_by(Model.updated_at.desc())
else:
query = query.order_by(Model.created_at.desc())
# Count BEFORE pagination
total = query.count()
if skip:
query = query.offset(skip)
if limit:
query = query.limit(limit)
items = query.all()
models = []
for model, user in items:
models.append(
ModelUserResponse(
**self._to_model_model(model, db=db).model_dump(),
user=(
UserResponse(**UserModel.model_validate(user).model_dump())
if user
else None
),
)
)
return ModelListResponse(items=models, total=total)
def get_model_by_id(
self, id: str, db: Optional[Session] = None
) -> Optional[ModelModel]:
try:
with get_db_context(db) as db:
model = db.get(Model, id)
return self._to_model_model(model, db=db) if model else None
except Exception:
return None
def get_models_by_ids(
self, ids: list[str], db: Optional[Session] = None
) -> list[ModelModel]:
try:
with get_db_context(db) as db:
models = db.query(Model).filter(Model.id.in_(ids)).all()
return [self._to_model_model(model, db=db) for model in models]
except Exception:
return []
def toggle_model_by_id(
self, id: str, db: Optional[Session] = None
) -> Optional[ModelModel]:
with get_db_context(db) as db:
try:
model = db.query(Model).filter_by(id=id).first()
if not model:
return None
model.is_active = not model.is_active
model.updated_at = int(time.time())
db.commit()
db.refresh(model)
return self._to_model_model(model, db=db)
except Exception:
return None
def update_model_by_id(
self, id: str, model: ModelForm, db: Optional[Session] = None
) -> Optional[ModelModel]:
try:
with get_db_context(db) as db:
# update only the fields that are present in the model
data = model.model_dump(exclude={"id", "access_grants"})
result = db.query(Model).filter_by(id=id).update(data)
db.commit()
if model.access_grants is not None:
AccessGrants.set_access_grants(
"model", id, model.access_grants, db=db
)
return self.get_model_by_id(id, db=db)
except Exception as e:
log.exception(f"Failed to update the model by id {id}: {e}")
return None
def delete_model_by_id(self, id: str, db: Optional[Session] = None) -> bool:
try:
with get_db_context(db) as db:
AccessGrants.revoke_all_access("model", id, db=db)
db.query(Model).filter_by(id=id).delete()
db.commit()
return True
except Exception:
return False
def delete_all_models(self, db: Optional[Session] = None) -> bool:
try:
with get_db_context(db) as db:
model_ids = [row[0] for row in db.query(Model.id).all()]
for model_id in model_ids:
AccessGrants.revoke_all_access("model", model_id, db=db)
db.query(Model).delete()
db.commit()
return True
except Exception:
return False
def sync_models(
self, user_id: str, models: list[ModelModel], db: Optional[Session] = None
) -> list[ModelModel]:
try:
with get_db_context(db) as db:
# Get existing models
existing_models = db.query(Model).all()
existing_ids = {model.id for model in existing_models}
# Prepare a set of new model IDs
new_model_ids = {model.id for model in models}
# Update or insert models
for model in models:
if model.id in existing_ids:
db.query(Model).filter_by(id=model.id).update(
{
**model.model_dump(exclude={"access_grants"}),
"user_id": user_id,
"updated_at": int(time.time()),
}
)
else:
new_model = Model(
**{
**model.model_dump(exclude={"access_grants"}),
"user_id": user_id,
"updated_at": int(time.time()),
}
)
db.add(new_model)
AccessGrants.set_access_grants(
"model", model.id, model.access_grants, db=db
)
# Remove models that are no longer present
for model in existing_models:
if model.id not in new_model_ids:
AccessGrants.revoke_all_access("model", model.id, db=db)
db.delete(model)
db.commit()
return [
self._to_model_model(model, db=db)
for model in db.query(Model).all()
]
except Exception as e:
log.exception(f"Error syncing models for user {user_id}: {e}")
return []
Models = ModelsTable()
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