Plateforme de decisions collectives pour Duniter/G1. Backend FastAPI async + PostgreSQL (14 tables, 8 routers, 6 services, moteur de vote avec formule d'inertie WoT/Smith/TechComm). Frontend Nuxt 4 + Nuxt UI v3 + Pinia (9 pages, 5 stores). Infrastructure Docker + Woodpecker CI + Traefik. Documentation technique et utilisateur (15 fichiers). Seed : Licence G1, Engagement Forgeron v2.0.0, 4 protocoles de vote. 30 tests unitaires (formules, mode params, vote nuance) -- tous verts. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
118 lines
3.2 KiB
Python
118 lines
3.2 KiB
Python
"""Decision service: step advancement logic."""
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from __future__ import annotations
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import uuid
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy.orm import selectinload
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from app.models.decision import Decision, DecisionStep
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# Valid status transitions for decisions
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_DECISION_STATUS_ORDER = [
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"draft",
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"qualification",
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"review",
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"voting",
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"executed",
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"closed",
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]
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async def advance_decision(decision_id: uuid.UUID, db: AsyncSession) -> Decision:
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"""Move a decision to its next step.
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Completes the current active step and activates the next pending step.
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If no more steps remain, the decision status advances to the next phase.
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Parameters
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----------
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decision_id:
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UUID of the Decision to advance.
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db:
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Async database session.
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Returns
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-------
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Decision
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The updated decision.
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Raises
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------
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ValueError
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If the decision is not found, or no further advancement is possible.
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"""
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result = await db.execute(
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select(Decision)
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.options(selectinload(Decision.steps))
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.where(Decision.id == decision_id)
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)
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decision = result.scalar_one_or_none()
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if decision is None:
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raise ValueError(f"Decision introuvable : {decision_id}")
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if decision.status == "closed":
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raise ValueError("La decision est deja cloturee")
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steps: list[DecisionStep] = sorted(decision.steps, key=lambda s: s.step_order)
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# Find the current active step
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active_step: DecisionStep | None = None
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for step in steps:
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if step.status == "active":
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active_step = step
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break
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if active_step is not None:
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# Complete the active step
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active_step.status = "completed"
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# Activate the next pending step
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next_step: DecisionStep | None = None
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for step in steps:
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if step.step_order > active_step.step_order and step.status == "pending":
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next_step = step
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break
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if next_step is not None:
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next_step.status = "active"
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else:
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# No more steps: advance the decision status
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_advance_decision_status(decision)
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else:
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# No active step: try to activate the first pending step
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first_pending: DecisionStep | None = None
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for step in steps:
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if step.status == "pending":
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first_pending = step
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break
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if first_pending is not None:
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first_pending.status = "active"
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# Also advance decision out of draft if needed
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if decision.status == "draft":
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decision.status = "qualification"
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else:
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# All steps are completed: advance the decision status
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_advance_decision_status(decision)
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await db.commit()
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await db.refresh(decision)
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return decision
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def _advance_decision_status(decision: Decision) -> None:
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"""Move a decision to its next status in the lifecycle."""
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try:
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current_index = _DECISION_STATUS_ORDER.index(decision.status)
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except ValueError:
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return
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next_index = current_index + 1
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if next_index < len(_DECISION_STATUS_ORDER):
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decision.status = _DECISION_STATUS_ORDER[next_index]
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