Files
wov-api/app/routers/workflows.py
T

122 lines
3.7 KiB
Python

from __future__ import annotations
import re
import uuid
from fastapi import APIRouter, Depends, HTTPException
from app.db import Database
from app.schemas import WorkflowCreate
from wov_sdk.models import WorkflowDefinition
router = APIRouter(prefix="/api/admin/workflows", tags=["workflows"])
def _get_db() -> Database:
from app.main import app
return app.state.db
def _slugify(value: str) -> str:
slug = re.sub(r"[^a-z0-9]+", "-", value.lower()).strip("-")
return slug or uuid.uuid4().hex[:8]
def _validate_definition(raw: dict) -> WorkflowDefinition:
try:
definition = WorkflowDefinition.from_dict(raw)
definition.validate()
return definition
except (KeyError, TypeError, ValueError) as exc:
raise HTTPException(status_code=422, detail=str(exc)) from exc
@router.get("")
def list_workflows(db: Database = Depends(_get_db)) -> list[dict]:
return db.list_workflows()
@router.post("")
def create_workflow(
payload: WorkflowCreate,
db: Database = Depends(_get_db),
) -> dict:
definition = _validate_definition(payload.definition)
workflow_id = payload.id or _slugify(payload.name)
existing = db.get_workflow(workflow_id)
version = (existing or {}).get("latest_version", 0) + 1
db.upsert_workflow(
{
"id": workflow_id,
"name": payload.name,
"description": payload.description,
"published": 0,
"latest_version": version,
}
)
db.create_workflow_version(workflow_id, version, definition.to_dict())
return {
"id": workflow_id,
"name": payload.name,
"description": payload.description,
"published": False,
"latest_version": version,
}
@router.get("/{workflow_id}")
def get_workflow(workflow_id: str, db: Database = Depends(_get_db)) -> dict:
workflow = db.get_workflow(workflow_id)
if workflow is None:
raise HTTPException(status_code=404, detail="workflow not found")
latest = db.get_latest_workflow_version(workflow_id)
workflow["latest_version_data"] = latest
return workflow
@router.delete("/{workflow_id}")
def delete_workflow(workflow_id: str, db: Database = Depends(_get_db)) -> dict:
if db.get_workflow(workflow_id) is None:
raise HTTPException(status_code=404, detail="workflow not found")
db.delete_workflow(workflow_id)
return {"deleted": workflow_id}
@router.post("/{workflow_id}/validate")
def validate_workflow(
workflow_id: str,
definition: dict,
db: Database = Depends(_get_db),
) -> dict:
if db.get_workflow(workflow_id) is None:
raise HTTPException(status_code=404, detail="workflow not found")
parsed = _validate_definition(definition)
return {"valid": True, "node_ids": [node.id for node in parsed.nodes]}
@router.post("/{workflow_id}/publish")
def publish_workflow(workflow_id: str, db: Database = Depends(_get_db)) -> dict:
workflow = db.get_workflow(workflow_id)
if workflow is None:
raise HTTPException(status_code=404, detail="workflow not found")
if workflow["latest_version"] == 0:
raise HTTPException(status_code=422, detail="workflow has no version")
db.upsert_workflow(
{
"id": workflow_id,
"name": workflow["name"],
"description": workflow["description"],
"published": 1,
"latest_version": workflow["latest_version"],
}
)
return {"published": workflow_id}
@router.get("/{workflow_id}/versions")
def list_versions(workflow_id: str, db: Database = Depends(_get_db)) -> list[dict]:
if db.get_workflow(workflow_id) is None:
raise HTTPException(status_code=404, detail="workflow not found")
return db.list_workflow_versions(workflow_id)