Persist blob sizes (covers + chapter pages) and surface upload storage
usage to admins in two places:
- Admin System tab: total/covers/chapters totals, ratio of disk, average
image sizes, and top-5 largest mangas/chapters leaderboards, behind a
new GET /api/v1/admin/storage endpoint (separate from /admin/system so
the cheap DB aggregates aren't coupled to its 250ms CPU sample).
- Manga detail page: total chapter-content size and per-chapter size,
with an em-dash for uncrawled or not-yet-measured chapters.
Sizes are captured at write time (crawler put_stream return, uploaded
page/cover byte length) into nullable pages.size_bytes /
mangas.cover_size_bytes columns; NULL means "not yet measured", distinct
from a real 0. A one-shot, idempotent admin "Backfill sizes" action
(POST /api/v1/admin/storage/backfill) stats pre-existing blobs in
keyset-paginated, capped batches and reports more_remaining so a large
legacy library can be drained over multiple runs.
Aggregates and leaderboards treat NULL honestly (only fully-measured
entities are ranked); a dashboard banner flags unmeasured rows so partial
figures aren't read as complete. persist_pages now prunes stale page rows
on a shrinking re-crawl so totals and page_count stay consistent.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Broadcasts analysis progress so the dashboard updates live:
- analysis::events: AnalysisEvents broadcaster + AnalysisEvent
(Enqueued / Started / Completed / Failed), carrying the
manga/chapter/page breadcrumb.
- The worker daemon resolves each page's breadcrumb (repo::page::locate)
and publishes Started before dispatch and Completed/Failed after.
- The admin reenqueue publishes Enqueued (scoped by manga/chapter).
- GET /v1/admin/analysis/status/stream — SSE (RequireAdmin) forwarding
each event as a named `analysis` frame; broadcast lag emits a `lagged`
frame. AppState carries the always-present events bus.
Tests: worker publishes started+completed (with breadcrumb) and failed;
SSE route is admin-gated (403 non-admin) and returns text/event-stream.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Previously a storage failure mid-chapter-upload left a partial chapter
row pointing at a `page_count` that didn't match what was on disk, plus
any successfully-inserted page rows. Same shape for a manga create
where the cover put or cover_image_path UPDATE failed after the manga
row was already inserted.
Fix at the DB layer: open `pool.begin()` at the start of the create,
do all DB writes against `&mut *tx`, commit only after the full
sequence succeeds. If anything before commit fails, the transaction is
rolled back on drop and the DB stays consistent. Bytes already written
to storage on a rolled-back transaction become orphans on disk; a
future reaper can sweep them, and we prioritise DB consistency over
storage tidiness in this branch.
- repo::manga::create / set_cover_image_path: signature changed to
`impl PgExecutor<'_>` so handlers can pass either `&PgPool` or
`&mut *tx`. set_cover_image_path is new — replaces the inline
`UPDATE` in the manga upload handler so the call site stays
consistent.
- repo::chapter::create / set_page_count: same shape.
- repo::page::create: same.
- api::mangas::create and api::chapters::create both open a
transaction around their DB writes; storage puts happen inside the
transaction window (since they must precede the page-row insert), so
a failed put aborts before commit.
New integration test (api_uploads::chapter_upload_rolls_back_when_
storage_fails_mid_loop) uses a `FailingStorage` helper that errors on
the N-th `put`. With N=1 (page 2 fails), the handler returns 500 and
the chapter + page tables stay empty.
`harness_with_failing_storage` is exposed alongside the existing
`harness` so future tests can reuse it for other fault-injection
cases.
Lockstep version bump to 0.9.3.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Backend:
- Migration 0003_pages.sql adds a `pages` table (id, chapter_id,
page_number, storage_key, content_type) with a unique (chapter_id,
page_number). New table because chapter pages can have different MIME
types per page; reconstructing keys from a single template would
break the moment a chapter mixes png and jpg pages.
- `domain::Page` + `repo::page` (create + list_for_chapter).
- The chapter upload handler now inserts one page row per part as it
writes the bytes to storage.
- GET /api/v1/mangas/{id}/chapters/{n}/pages returns `{pages: [...]}`
with the storage_key clients need to construct image URLs. 404 if
the manga or chapter doesn't exist; reads are public.
Storage trait grows `get_stream(&str) -> StreamingFile` returning a
`Pin<Box<dyn Stream<Item = io::Result<Bytes>> + Send>>` + size. The
local backend implements via `tokio::fs::File` + `tokio_util::io::
ReaderStream` with a 64 KiB chunk size. GET /api/v1/files/*key now
streams via `axum::body::Body::from_stream` instead of buffering — the
test asserts a 200 KiB file emits >1 frame end-to-end through the
router.
Frontend:
- lib/api/client.ts gains `fileUrl(key)` so components don't
reconstruct the `/api/v1/files/...` path manually.
- lib/api/chapters.ts gains `ChapterPage` type + `getChapterPages` (the
type is named ChapterPage to avoid colliding with `Page` from
client.ts, which is the pagination envelope).
- /manga/[id]/+page.svelte: overview with cover, title, author,
description, chapter list, and a disabled bookmark control (real
bookmarking lands in feat/bookmarks). Responsive at 640 px.
- /manga/[id]/chapter/[n]/+page.svelte: paginated reader. Current page
loads eagerly; next page is preloaded in a hidden img so navigation
feels instant. Keyboard handler maps ArrowRight/j/Space → next,
ArrowLeft/k → prev, Home/End → first/last; skips when the user is
typing in an input. Focus ring on the prev/next buttons.
- SSR is disabled on both routes via `export const ssr = false` so the
client-only fetch flow doesn't need to be replicated server-side; the
routes are interactive features, not SEO surfaces.
- E2E (e2e/reader.spec.ts): overview shows the title/cover/chapter
list; reader pages through three pages via ArrowRight, j, k, and
ArrowLeft, and the preload img holds the page-2 src on initial load.
Lockstep version bump to 0.6.0.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
