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F-r-ldraledigplannerare/backend/app/routers/day_assertion.py
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jacobh2 782415122d Separate user intent from planner output via day assertions
The calendar mixed two kinds of truth in one table. `planned_leave_day` was
simultaneously the allocator's output cache, the user's override store
(`is_pinned`, plus ad-hoc rows with no `wish_id`), and the resource ledger that
analytics and the age-4 maths read. The planner therefore had to ask "am I
allowed to touch this row?" on every sync, and got it wrong at the edges.

Every user assertion is now one `day_assertion` row — a concrete `day_type`
replaces a pinned day, a row with no `wish_id` replaces an ad-hoc day, and
`day_type='none'` replaces `planned_day_exclusion`. `planned_leave_day` becomes
purely derived with a single writer, and `PlanningService.pinned_keys()` is the
single answer to "is this day pinned", used by the allocator's loader, by
`sync_plan` and by the read router alike.

On top of that, every calendar band is now a real event: an ad-hoc band opens
the same full editor as a wish-backed one and saving it promotes it to a
`LeaveWish`, so it can be named, repeated yearly, assigned to either or both
parents, and handed to the planner. "Planering" is a `moveable` toggle plus a
from/to month bound plus a separate lock/unlock action on the days themselves,
replacing a three-rung ladder whose "planner decides" rung set a search window
equal to the drawn dates and so could never move anything.

Bugs found and fixed along the way:

- The plan erased its own history. Fixed windows clip to today, so an elapsed
  auto-placed day fell into `stale_keys` and was deleted on the next sync —
  and a background sync runs on every workspace load. Past rows are now frozen
  and counted as spent.
- Migration 010's downgrade silently destroyed every pinned day and exclusion
  (`is_pinned` returned as DEFAULT 0, the exclusion table came back empty,
  exit 0, no warning). It now reconstructs both from `day_assertion`, and 009
  itemises what it cannot recover before dropping the table.
- Deleting a period left its assertions behind, locking those dates forever
  with no UI path to clear them. Wish deletion now clears them by `wish_id`.
- `DayAssertionService` and `LeaveWishService` committed multi-statement writes
  without a transaction; a crash mid-write diverged the tables or half-deleted
  a series. Both now run in a unit of work.
- A sibling year's shortfall was never surfaced: the toast only inspected the
  edited occurrence's outcome, so a fully unfunded later year rendered as an
  empty band with no warning.
- A flexible window whose bound had entirely elapsed was dropped from the
  proposal with no outcome at all. It now reports as `unplaced`.
- Unlocking a period deleted its days instead of returning them to the planner.
- The e2e global setup posted to a route deleted in this change, which would
  have failed the whole suite before its first test.

Gates: backend 938 tests / 91% coverage, frontend 1351 / 97.4 | 92.2 | 94.37 |
97.4. Migrations 009 and 010 audited against a hand-built realistic database:
the upgrade reconciles exactly and a constraint violation fails safe, leaving
the schema at 008.

Not complete. Step 4's toggle, month picker and lock/unlock action are verified
by browser walk and unit tests, but the partial-lock readout was not exercised.
`ideas.md` §7 adds a full plan for the vacation-forfeiture defect (the planner
detects expiring days and then does nothing about them) — not implemented here.
Remaining smaller items are listed in the session's restructure notes.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01T4wjgbVL4HAC5Rdaw75VbV
2026-09-21 07:20:14 +02:00

84 lines
3.2 KiB
Python

"""HTTP routes for day assertions — restructure step 3b.
Replaces the write side of the legacy `/api/planned-days` (hand-pin/ad-hoc)
and `/api/planned-day-exclusions` endpoints (both deleted this step) with one
endpoint expressing all three: a pin (`day_type` concrete), an ad-hoc day
(`wish_id` omitted), and an exclusion (`day_type='none'`). Routers stay
thin: validate via Pydantic, call the service, map domain errors to HTTP.
"""
from datetime import date
from uuid import UUID
from fastapi import APIRouter, HTTPException, status
from app.dependencies import (
DayAssertionServiceDep,
WorkspaceIdDep,
WorkspaceScopeDep,
)
from app.models.day_assertion import DayAssertionCreate, DayAssertionResponse
from app.utils.errors import ValidationError
router = APIRouter(prefix="/api/day-assertions", tags=["day-assertions"])
@router.post("", response_model=DayAssertionResponse, status_code=status.HTTP_201_CREATED)
async def assert_day(
payload: DayAssertionCreate,
service: DayAssertionServiceDep,
scope: WorkspaceScopeDep,
) -> DayAssertionResponse:
scope.check_workspace(payload.workspace_id)
await scope.check_child(payload.child_id)
await scope.check_member(payload.parent_personal_data_uuid)
try:
entity = await service.assert_day(
workspace_id=payload.workspace_id,
child_id=payload.child_id,
parent_personal_data_uuid=payload.parent_personal_data_uuid,
day=payload.date,
day_type=payload.day_type,
is_dubbeldag=payload.is_dubbeldag,
wish_id=payload.wish_id,
)
except ValidationError as exc:
if exc.message_key:
raise HTTPException(
status.HTTP_422_UNPROCESSABLE_ENTITY,
detail={"message_key": exc.message_key, "data": exc.data},
) from exc
raise HTTPException(status.HTTP_422_UNPROCESSABLE_ENTITY, str(exc)) from exc
return DayAssertionResponse.from_entity(entity)
@router.get("/workspace/{workspace_id}", response_model=list[DayAssertionResponse])
async def list_day_assertions(
workspace_id: WorkspaceIdDep, service: DayAssertionServiceDep
) -> list[DayAssertionResponse]:
entities = await service.list_for_workspace(workspace_id)
return [DayAssertionResponse.from_entity(e) for e in entities]
@router.delete("", status_code=status.HTTP_204_NO_CONTENT)
async def clear_day_assertion(
service: DayAssertionServiceDep,
scope: WorkspaceScopeDep,
workspace_id: UUID,
child_id: UUID,
parent_personal_data_uuid: UUID,
date: date,
) -> None:
"""Retract the assertion at this (workspace, child, parent, date), if
any — idempotent, matching `DayAssertionService.clear`. By natural key
rather than by id: every caller (un-pinning a hand-added day, deleting
an ad-hoc band, restoring an exclusion) already knows the key from
context and would otherwise have to look the assertion up first just to
delete it.
"""
scope.check_workspace(workspace_id)
await scope.check_child(child_id)
await scope.check_member(parent_personal_data_uuid)
await service.clear(workspace_id, child_id, parent_personal_data_uuid, date)