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Backend tests / test (push) Waiting to run
No-accounts app, so favorites/saved-searches/hidden-list/watch-progress live
per-device (keyed by X-Device-Id). Users asked how to move them to a new phone.
Backend: POST /me/import/{source_device} copies all device-scoped tables from a
source device to the caller (dedup via NOT EXISTS, new UUIDs for id-PK tables like
saved_searches). Copy not move, so the old phone keeps everything; idempotent. The
device_id is a random UUID so knowing it is the authorization (fine for a keyless app).
Mobile: Settings -> "Backup & sync" shows this device's sync code (copy button) and a
Restore field to paste the other device's code; invalidates favorites queries after.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
122 lines
4.9 KiB
Python
122 lines
4.9 KiB
Python
"""Per-device self-service: przejęcie legacy stanu usera.
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Po migracji device-scopingu (0022) stare wiersze mają `device_id='legacy-shared'`.
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`POST /me/adopt-legacy` przepina WSZYSTKIE legacy wiersze (favorites/progress/blacklisty)
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na device wołającego. Robi to JEDEN raz właściciel instancji po update apki — kolejne
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wywołania nic nie znajdą (legacy już puste). Jeśli na keep-device istnieje już wiersz
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dla tej samej encji, legacy duplikat jest pomijany (ON CONFLICT DO NOTHING → potem
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kasujemy resztki legacy).
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"""
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from __future__ import annotations
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from typing import Annotated
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from fastapi import APIRouter, Depends
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from pydantic import BaseModel
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from sqlalchemy import text
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from sqlalchemy.orm import Session
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from app.api.device import LEGACY_DEVICE, get_device_id
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from app.auth import require_api_key
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from app.db import get_session
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router = APIRouter(prefix="/me", tags=["me"], dependencies=[Depends(require_api_key)])
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# (tabela, kolumna-encji) — wszystkie tabele device-scoped (migracja 0022).
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_TABLES: list[tuple[str, str]] = [
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("favorite_performers", "performer_id"),
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("favorite_studios", "studio_id"),
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("favorite_scenes", "scene_id"),
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("favorite_movies", "movie_id"),
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("scene_play_progress", "scene_id"),
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("movie_play_progress", "movie_id"),
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("blacklisted_performers", "performer_id"),
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("blacklisted_studios", "studio_id"),
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("blacklisted_tags", "tag_id"),
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]
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class AdoptLegacyOut(BaseModel):
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device_id: str
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moved: dict[str, int]
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class ImportOut(BaseModel):
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device_id: str
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imported: dict[str, int]
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# Tabele do przeniesienia przy transferze między urządzeniami + kolumna-encji do dedupu.
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# saved_searches ma własne `id` PK (nie (device_id,encja)), więc dedup po `query`.
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_COPY_TABLES: list[tuple[str, str]] = _TABLES + [("saved_searches", "query")]
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@router.post("/import/{source_device}", response_model=ImportOut)
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def import_from_device(
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source_device: str,
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session: Annotated[Session, Depends(get_session)],
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device_id: Annotated[str, Depends(get_device_id)],
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) -> ImportOut:
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"""Backup/transfer stanu (ulubione/blacklisty/progres/zapisane wyszukiwania) z innego
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urządzenia na wołające. `source_device` to device_id starego telefonu (pełni rolę kodu
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transferu — jest losowym UUID, więc jego znajomość == autoryzacja; instancja bez kont).
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KOPIUJE (nie przenosi): stary telefon zachowuje swoje. Dedup: pomija encje które
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urządzenie już ma. Idempotentne. `id`-PK (saved_searches) dostaje nowy gen_random_uuid()."""
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imported: dict[str, int] = {}
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source = (source_device or "").strip()[:64]
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if not source or source == device_id or source == LEGACY_DEVICE:
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return ImportOut(device_id=device_id, imported={})
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for table, dedup_col in _COPY_TABLES:
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cols = [
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r[0]
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for r in session.execute(
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text(
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"SELECT column_name FROM information_schema.columns "
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"WHERE table_name = :t ORDER BY ordinal_position"
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).bindparams(t=table)
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).all()
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]
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if not cols:
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continue
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select_exprs = ", ".join(
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":dev" if c == "device_id" else ("gen_random_uuid()" if c == "id" else f"src.{c}")
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for c in cols
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)
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sql = (
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f"INSERT INTO {table} ({', '.join(cols)}) "
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f"SELECT {select_exprs} FROM {table} src "
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f"WHERE src.device_id = :src AND NOT EXISTS ("
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f" SELECT 1 FROM {table} t WHERE t.device_id = :dev AND t.{dedup_col} = src.{dedup_col})"
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)
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res = session.execute(text(sql).bindparams(dev=device_id, src=source))
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imported[table] = res.rowcount or 0
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session.commit()
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return ImportOut(device_id=device_id, imported=imported)
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@router.post("/adopt-legacy", response_model=AdoptLegacyOut)
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def adopt_legacy(
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session: Annotated[Session, Depends(get_session)],
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device_id: Annotated[str, Depends(get_device_id)],
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) -> AdoptLegacyOut:
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moved: dict[str, int] = {}
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if device_id == LEGACY_DEVICE:
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# Wołający bez X-Device-Id == legacy → nie ma czego przepinać.
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return AdoptLegacyOut(device_id=device_id, moved={})
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for table, entity in _TABLES:
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# Przepnij legacy → device dla encji których device JESZCZE nie ma.
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res = session.execute(
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text(
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f"UPDATE {table} SET device_id = :dev "
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f"WHERE device_id = :legacy AND {entity} NOT IN "
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f"(SELECT {entity} FROM {table} WHERE device_id = :dev)"
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).bindparams(dev=device_id, legacy=LEGACY_DEVICE)
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)
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moved[table] = res.rowcount or 0
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# Resztki legacy (encje które device już miał) — skasuj, żeby nie wisiały.
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session.execute(
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text(f"DELETE FROM {table} WHERE device_id = :legacy").bindparams(legacy=LEGACY_DEVICE)
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)
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session.commit()
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return AdoptLegacyOut(device_id=device_id, moved=moved)
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