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from fastapi import HTTPException
from uuid import UUID
import os
from typing import (
Optional,
Union
)
from config import (
FILE_UPLOAD_PATH,
ENTITY_STATUS,
logger
)
from util import (
is_uuid,
get_file_hash
)
from sqlmodel import (
Session,
select
)
from datetime import datetime
from models import (
Organization,
OrganizationCreate,
User,
UserCreate,
get_engine,
Project,
ProjectCreate,
Document,
Node,
ChatSession
)
# ================
# Helper functions
# ================
# ----------------------
# Organization functions
# ----------------------
def get_org_by_uuid_or_namespace(
id: Union[UUID, str], session: Optional[Session] = None, should_except: bool = True
):
if session:
org = (
Organization.by_uuid(str(id))
if is_uuid(id)
else session.exec(
select(Organization).where(Organization.namespace == str(id))
).first()
)
else:
with Session(get_engine()) as session:
org = (
Organization.by_uuid(str(id))
if is_uuid(id)
else session.exec(
select(Organization).where(Organization.namespace == str(id))
).first()
)
if not org and should_except is True:
raise HTTPException(
status_code=404, detail=f"Organization identifer {id} not found"
)
return org
def create_org_by_org_or_uuid(
namespace: str = None,
display_name: str = None,
organization: Union[Organization, OrganizationCreate, str] = None,
session: Optional[Session] = None,
):
namespace = namespace or organization.namespace
if not namespace:
raise HTTPException(
status_code=400, detail="Organization namespace is required"
)
o = (
get_org_by_uuid_or_namespace(namespace, session=session, should_except=False)
if not isinstance(organization, Organization)
else organization
)
if o:
raise HTTPException(status_code=404, detail="Organization already exists")
if isinstance(organization, OrganizationCreate) or isinstance(organization, str):
organization = organization or OrganizationCreate(
namespace=namespace, display_name=display_name
)
db_org = Organization.from_orm(organization)
if session:
session.add(db_org)
session.commit()
session.refresh(db_org)
else:
with Session(get_engine()) as session:
session.add(db_org)
session.commit()
session.refresh(db_org)
elif isinstance(organization, Organization):
db_org = organization
db_org.update(
{
"namespace": namespace if namespace else organization.namespace,
"display_name": display_name
if display_name
else organization.display_name,
}
)
else:
db_org = Organization.create(
{"namespace": namespace, "display_name": display_name}
)
# Create folder for organization_uuid in uploads
os.mkdir(os.path.join(FILE_UPLOAD_PATH, str(db_org.uuid)))
return db_org
# --------------
# User functions
# --------------
def create_user(
user: Union[UserCreate, User] = None,
identifier: str = None,
identifier_type: str = None,
device_fingerprint: str = None,
first_name: str = None,
last_name: str = None,
email: str = None,
phone: str = None,
dob: str = None,
session: Optional[Session] = None,
):
# Check if user already exists
user = (
get_user_by_uuid_or_identifier(user.id or identifier, session=session)
if not isinstance(user, User)
else user
)
if isinstance(user, UserCreate):
db_user = User.from_orm(user)
if session:
session.add(db_user)
session.commit()
session.refresh(db_user)
else:
with Session(get_engine()) as session:
session.add(db_user)
session.commit()
session.refresh(db_user)
elif isinstance(user, User):
db_user = user
db_user.update(
{
"identifier": identifier if identifier else user.identifier,
"identifier_type": identifier_type
if identifier_type
else user.identifier_type,
"device_fingerprint": device_fingerprint
if device_fingerprint
else user.device_fingerprint,
"first_name": first_name if first_name else user.first_name,
"last_name": last_name if last_name else user.last_name,
"email": email if email else user.email,
"phone": phone if phone else user.phone,
"dob": dob if dob else user.dob,
}
)
else:
db_user = User.create(
{
"identifier": identifier,
"identifier_type": identifier_type,
"device_fingerprint": device_fingerprint,
"first_name": first_name,
"last_name": last_name,
"email": email,
"phone": phone,
"dob": dob,
}
)
return db_user
def get_users(session: Optional[Session] = None):
if session:
users = session.exec(select(User)).all()
else:
with Session(get_engine()) as session:
users = session.exec(select(User)).all()
return users
def get_user_by_uuid_or_identifier(
id: Union[UUID, str], session: Optional[Session] = None, should_except: bool = True
):
if session:
user = (
User.by_uuid(str(id))
if is_uuid(str(id))
else session.exec(select(User).where(User.identifier == str(id))).first()
)
else:
with Session(get_engine()) as session:
user = (
User.by_uuid(str(id))
if is_uuid(str(id))
else session.exec(
select(User).where(User.identifier == str(id))
).first()
)
if not user and should_except is True:
raise HTTPException(status_code=404, detail=f"User identifer {id} not found")
return user
# ------------------
# Document functions
# ------------------
def create_document_by_file_path(
organization: Organization = None,
project: Project = None,
file_path: str = None,
url: Optional[str] = None,
file_version: Optional[int] = 1,
file_hash: Optional[str] = None,
overwrite: Optional[bool] = True,
session: Optional[Session] = None,
):
if not organization or not project:
raise HTTPException(
status_code=400, detail="Organization and project are required"
)
organization_id = organization.uuid
project_id = project.uuid
if not file_path or not os.path.exists(file_path):
raise HTTPException(status_code=400, detail="A valid file path is required")
if not file_hash:
file_hash = get_file_hash(file_path)
file_name = os.path.basename(file_path)
file_contents = open(file_path, "rb").read()
# ------------------------
# Handle duplicate content
# ------------------------
if get_document_by_hash(file_hash, session=session):
raise HTTPException(
status_code=409,
detail=f'Document "{file_name}" already uploaded! \n\nsha256:{file_hash}!',
)
# ----------------------------------
# Handle file versioning by filename
# ----------------------------------
# If we are overwriting, deprecate the current version and increment the version number of new file
document = get_document_by_name(
file_name,
project_id=project_id,
organization_id=organization_id,
session=session,
)
if document and overwrite:
file_version = document.version + 1
document.updated_at = datetime.utcnow()
document.status = ENTITY_STATUS.DEPRECATED.value
document.save()
else:
# ---------------------
# Create a new document
# ---------------------
document = Document(
display_name=file_name,
project_id=project.id,
organization_id=organization.id,
data=file_contents,
version=file_version,
hash=file_hash,
url=url if url else None,
)
if session:
session.add(document)
session.commit()
session.refresh(document)
# ---------------------
# Create the embeddings
# ---------------------
create_document_nodes(
document=document,
project=project,
organization=organization,
session=session,
)
else:
with Session(get_engine()) as session:
session.add(document)
session.commit()
session.refresh(document)
# ---------------------
# Create the embeddings
# ---------------------
create_document_nodes(
document=document,
project=project,
organization=organization,
session=session,
)
if not document:
raise HTTPException(status_code=400, detail="Could not create document")
# --------------------------
# Create document embeddings
# --------------------------
def create_document_nodes(
document: Document,
project: Project,
organization: Organization,
session: Optional[Session] = None,
):
# Avoid circular imports
from llm import get_embeddings, get_token_count
project_uuid = str(project.uuid)
document_uuid = str(document.uuid)
document_id = document.id
organization_uuid = str(organization.uuid)
if not document or not project:
raise Exception("Missing required parameters document, project")
metadata = {
"project_uuid": project_uuid,
"document_uuid": document_uuid,
"organization_uuid": organization_uuid,
"document_id": document_id,
"version": document.version,
"name": document.display_name,
}
# convert document data bytes to string
document_data = (
document.data.decode("utf-8")
if isinstance(document.data, bytes)
else document.data
)
# lets get the embeddings
arr_documents, embeddings = get_embeddings(document_data)
# -------------------------------------------
# Process the embeddings and save to database
# -------------------------------------------
for doc, vec in zip(arr_documents, embeddings):
node = Node(
document_id=document.id,
embeddings=vec,
text=doc,
token_count=get_token_count(doc),
meta=metadata
)
if session:
session.add(node)
session.commit()
session.refresh(node)
else:
with Session(get_engine()) as session:
session.add(node)
session.commit()
session.refresh(node)
# Node.create(
# {
# "document_id": document.id,
# "embeddings": vec,
# "text": doc,
# "token_count": get_token_count(doc),
# "meta": metadata,
# }
# )
def get_documents_by_project_and_org(
project_id: Union[UUID, str],
organization_id: Union[UUID, str],
session: Optional[Session] = None,
):
if session:
org = get_org_by_uuid_or_namespace(organization_id, session=session)
project = get_project_by_uuid(project_id, org.uuid, session=session)
documents = session.exec(
select(Document).where(Document.project_id == project.id)
).all()
else:
with Session(get_engine()) as session:
org = get_org_by_uuid_or_namespace(organization_id, session=session)
project = get_project_by_uuid(project_id, org.uuid, session=session)
documents = session.exec(
select(Document).where(Document.project_id == project.id)
).all()
return documents
def get_document_by_uuid(
uuid: Union[UUID, str],
organization_id: Union[UUID, str] = None,
project_id: Union[UUID, str] = None,
session: Optional[Session] = None,
should_except: bool = True,
):
if not is_uuid(uuid):
raise HTTPException(
status_code=422, detail=f"Invalid document identifier {uuid}"
)
org = get_org_by_uuid_or_namespace(organization_id, session=session)
project = get_project_by_uuid(project_id, organization_id=org.uuid, session=session)
if session:
document = session.exec(
select(Document).where(
Document.project == project, Document.uuid == str(uuid)
)
).first()
else:
with Session(get_engine()) as session:
document = session.exec(
select(Document).where(
Document.project == project, Document.uuid == str(uuid)
)
).first()
if not document and should_except is True:
raise HTTPException(
status_code=404, detail=f"Document identifier {uuid} not found"
)
return document
def get_document_by_hash(hash: str, session: Optional[Session] = None):
if session:
document = session.exec(select(Document).where(Document.hash == hash)).first()
else:
with Session(get_engine()) as session:
document = session.exec(
select(Document).where(Document.hash == hash)
).first()
return document
def get_document_by_name(
file_name: str,
project_id: Union[UUID, str],
organization_id: Union[UUID, str],
session: Optional[Session] = None,
):
org = (
get_org_by_uuid_or_namespace(organization_id, session=session)
if not isinstance(organization_id, Organization)
else organization_id
)
project = get_project_by_uuid(
project_id, organization_id=str(org.uuid), session=session
)
if session:
return session.exec(
select(Document).where(
Document.project == project,
Document.display_name == file_name,
Document.status == ENTITY_STATUS.ACTIVE.value,
)
).first()
else:
with Session(get_engine()) as session:
return session.exec(
select(Document).where(
Document.project == project,
Document.display_name == file_name,
Document.status == ENTITY_STATUS.ACTIVE.value,
)
).first()
# ---------------------
# ChatSession functions
# ---------------------
def get_chat_session_by_uuid(
id: Union[UUID, str], session: Optional[Session] = None, should_except: bool = False
):
if session:
chat_session = (
ChatSession.by_uuid(str(id))
if is_uuid(id)
else session.exec(
select(ChatSession).where(ChatSession.session_id == str(id))
).first()
)
else:
with Session(get_engine()) as session:
chat_session = (
ChatSession.by_uuid(str(id))
if is_uuid(id)
else session.exec(
select(ChatSession).where(ChatSession.session_id == str(id))
).first()
)
if not chat_session and should_except is True:
raise HTTPException(
status_code=404, detail=f"ChatSession identifer {id} not found"
)
return chat_session
# -----------------
# Project functions
# -----------------
def create_project_by_org(
project: Union[Project, ProjectCreate] = None,
organization_id: Union[Organization, str] = None,
display_name: str = None,
session: Optional[Session] = None,
):
organization = (
get_org_by_uuid_or_namespace(organization_id, session=session)
if not isinstance(organization_id, Organization)
else organization_id
)
if isinstance(project, ProjectCreate):
db_project = Project.from_orm(project) if not project else project
db_project.organization_id = organization.id
# Lets give a default name if not set
db_project.display_name = (
f"📁 Untitled Project #{len(organization.projects) + 1}"
if not display_name and not project
else display_name
)
if session:
session.add(db_project)
session.commit()
session.refresh(db_project)
else:
with Session(get_engine()) as session:
session.add(db_project)
session.commit()
session.refresh(db_project)
elif isinstance(project, Project):
db_project = project
db_project.update(
{
"organization_id": organization.id,
"display_name": f"📁 Untitled Project #{len(organization.projects) + 1}"
if not display_name and not project
else display_name,
}
)
else:
db_project = Project.create(
{
"organization_id": organization.id,
"display_name": f"📁 Untitled Project #{len(organization.projects) + 1}"
if not display_name and not project
else display_name,
}
)
# -------------------------------
# Create project upload directory
# -------------------------------
project_dir = os.path.join(
FILE_UPLOAD_PATH, str(organization.uuid), str(db_project.uuid)
)
os.makedirs(project_dir, exist_ok=True)
# Create project
return db_project
def get_project_by_uuid(
uuid: Union[UUID, str] = None,
organization_id: Union[UUID, str] = None,
session: Optional[Session] = None,
should_except: bool = True,
):
if not is_uuid(uuid):
raise HTTPException(
status_code=422, detail=f"Invalid project identifier {uuid}"
)
org = get_org_by_uuid_or_namespace(organization_id, session=session)
if session:
project = session.exec(
select(Project).where(
Project.organization == org, Project.uuid == str(uuid)
)
).first()
else:
with Session(get_engine()) as session:
project = session.exec(
select(Project).where(
Project.organization == org, Project.uuid == str(uuid)
)
).first()
if not project and should_except is True:
raise HTTPException(
status_code=404, detail=f"Project identifier {uuid} not found"
)
return project |