78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
from __future__ import annotations
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import functools
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from typing import Any, Callable
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from ..nodes import deployment_node, discovery_node, generation_node, validation_node
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from ..states.ingestion_state import IngestionState
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class IngestionWorkflow:
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"""LangGraph StateGraph workflow runner for Content Ingestion Agent.
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Executes the 4-phase contract: Discovery -> Validation -> Generation -> Deployment.
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"""
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def __init__(
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self,
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scm: Any = None,
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cms: Any = None,
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allowed_sources: set[str] | None = None,
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publish_enabled: bool = False,
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require_governance_approval: bool = True,
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):
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self.nodes: dict[str, Callable[[IngestionState], dict[str, Any]]] = {
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"discovery": discovery_node,
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"validation": functools.partial(validation_node, allowed_sources=allowed_sources),
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"generation": functools.partial(generation_node, scm=scm),
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"deployment": functools.partial(
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deployment_node,
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cms=cms,
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publish_enabled=publish_enabled,
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require_governance_approval=require_governance_approval,
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),
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}
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def invoke(self, state: IngestionState) -> IngestionState:
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"""Run the workflow sequentially through the 4 phases."""
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current_state: IngestionState = dict(state) # type: ignore
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current_state.setdefault("messages", [])
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current_state.setdefault("errors", [])
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current_state.setdefault("has_errors", False)
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current_state.setdefault("current_step", "discovery")
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current_state.setdefault("next_step", "discovery")
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current_node_name = "discovery"
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while current_node_name and current_node_name != "END":
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node_fn = self.nodes.get(current_node_name)
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if not node_fn:
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break
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update = node_fn(current_state)
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current_state.update(update) # type: ignore
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# Route based on next_step contract
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next_step = current_state.get("next_step")
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if not next_step or next_step == "END" or current_state.get("has_errors"):
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break
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current_node_name = next_step
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return current_state
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def create_ingestion_workflow(
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scm: Any = None,
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cms: Any = None,
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allowed_sources: set[str] | None = None,
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publish_enabled: bool = False,
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require_governance_approval: bool = True,
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) -> IngestionWorkflow:
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return IngestionWorkflow(
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scm=scm,
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cms=cms,
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allowed_sources=allowed_sources,
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publish_enabled=publish_enabled,
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require_governance_approval=require_governance_approval,
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)
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