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FabledCurator/backend/app/api/gallery.py
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fix(audit-g5a): small architectural cleanups bundle
Five small G5 findings from the 2026-06-02 audit. Each is local and
follows an established FC pattern.

- download_service: replace hardcoded ('discord','pixiv') tuple with
  auth_type_for(platform) == 'token'. A 7th token-platform now picks
  up the right credential path without touching this site.

- /api/tags/<source_id>/merge enqueues recompute_centroid.delay after
  merge so the target's centroid reflects its new image set
  immediately. Daily list_drifted catches it within 24h, but eager
  recompute closes the suggestion-quality dip in the meantime.

- backfill_thumbnails added to beat_schedule (daily). The task
  docstring claimed periodic Beat but the entry was never registered,
  so the library got no self-healing thumbnail repair; only the
  manual admin-UI button fired it.

- modal.createAndAdd pushes a kind='fandom' tag into
  tagsStore.fandomCache so FandomPicker sees the new fandom on next
  open. Was: cache-gated load (length===0) skipped refetch, new
  fandom invisible until full page reload.

- cleanup cluster:
  - Drop .webp from cleanup_service.unlink — thumbnailer only writes
    .jpg/.png; the third tuple member was dead code.
  - Drop effective_date from /api/gallery/scroll response — no FE
    consumer reads it. Service still computes the attribute for
    timeline ordering; this just trims the JSON.
  - Rename store.recentMinute → store.recentRuns across the
    systemActivity store + three consumers (SystemActivitySummary,
    QueuesTable, SystemActivityTab). The data is the last 200 runs
    (not actually "last minute"), so the name lied.

NOT in this bundle: the duplicate tag-merge endpoint
(/api/tags vs /api/admin/tags) is harder — has 1 FE caller and 3 tests
on the admin variant; consolidation is its own change.
2026-06-02 16:46:46 -04:00

113 lines
4.0 KiB
Python

"""Gallery API: cursor scroll, timeline, jump, image detail."""
from quart import Blueprint, jsonify, request
from ..extensions import get_session
from ..services.gallery_service import GalleryService
gallery_bp = Blueprint("gallery", __name__, url_prefix="/api/gallery")
@gallery_bp.route("/scroll", methods=["GET"])
async def scroll():
cursor = request.args.get("cursor") or None
try:
limit = int(request.args.get("limit", "50"))
except ValueError:
return jsonify({"error": "limit must be an integer"}), 400
tag_id_raw = request.args.get("tag_id")
tag_id = int(tag_id_raw) if tag_id_raw else None
post_id_raw = request.args.get("post_id")
post_id = int(post_id_raw) if post_id_raw else None
artist_id_raw = request.args.get("artist_id")
artist_id = int(artist_id_raw) if artist_id_raw else None
async with get_session() as session:
svc = GalleryService(session)
try:
page = await svc.scroll(
cursor=cursor, limit=limit, tag_id=tag_id,
post_id=post_id, artist_id=artist_id,
)
except ValueError as exc:
return jsonify({"error": str(exc)}), 400
return jsonify(
{
"images": [
{
"id": i.id,
"sha256": i.sha256,
"mime": i.mime,
"width": i.width,
"height": i.height,
"created_at": i.created_at.isoformat(),
"posted_at": i.posted_at.isoformat() if i.posted_at else None,
"thumbnail_url": i.thumbnail_url,
"artist": i.artist,
}
for i in page.images
],
"next_cursor": page.next_cursor,
"date_groups": [
{"year": y, "month": m, "image_ids": ids} for y, m, ids in page.date_groups
],
}
)
@gallery_bp.route("/timeline", methods=["GET"])
async def timeline():
tag_id_raw = request.args.get("tag_id")
tag_id = int(tag_id_raw) if tag_id_raw else None
post_id_raw = request.args.get("post_id")
post_id = int(post_id_raw) if post_id_raw else None
artist_id_raw = request.args.get("artist_id")
artist_id = int(artist_id_raw) if artist_id_raw else None
async with get_session() as session:
svc = GalleryService(session)
try:
buckets = await svc.timeline(
tag_id=tag_id, post_id=post_id, artist_id=artist_id
)
except ValueError as exc:
return jsonify({"error": str(exc)}), 400
return jsonify(
[{"year": b.year, "month": b.month, "count": b.count} for b in buckets]
)
@gallery_bp.route("/jump", methods=["GET"])
async def jump():
try:
year = int(request.args["year"])
month = int(request.args["month"])
except (KeyError, ValueError):
return jsonify({"error": "year and month query params required"}), 400
tag_id_raw = request.args.get("tag_id")
tag_id = int(tag_id_raw) if tag_id_raw else None
post_id_raw = request.args.get("post_id")
post_id = int(post_id_raw) if post_id_raw else None
artist_id_raw = request.args.get("artist_id")
artist_id = int(artist_id_raw) if artist_id_raw else None
async with get_session() as session:
svc = GalleryService(session)
try:
cursor = await svc.jump_cursor(
year=year, month=month, tag_id=tag_id,
post_id=post_id, artist_id=artist_id,
)
except ValueError as exc:
return jsonify({"error": str(exc)}), 400
return jsonify({"cursor": cursor})
@gallery_bp.route("/image/<int:image_id>", methods=["GET"])
async def image_detail(image_id: int):
async with get_session() as session:
svc = GalleryService(session)
payload = await svc.get_image_with_tags(image_id)
if payload is None:
return jsonify({"error": "not found"}), 404
return jsonify(payload)