Ivo Oskamp
5d83bfccab
- IntersectionObserver defers both cover images and placeholder canvas drawing until cards enter viewport — eliminates 1000+ upfront ops - ETag on /library/list: browser gets 304 Not Modified when nothing changed - Single DOM pass in renderBooksGrid/renderDuplicatesView/renderSeriesDetail: card.querySelector replaces second iteration with 500+ getElementById calls - book_tags joined via json_agg in main query, removing separate SELECT + Python merge - loadLibrary: error handling prevents silent failures showing as infinite loading - Delete TODO-PERF-library-load.md (all four bottlenecks resolved) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
69 lines
2.3 KiB
Python
69 lines
2.3 KiB
Python
from urllib.parse import unquote
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from fastapi import APIRouter, Request
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from fastapi.responses import HTMLResponse
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from fastapi.templating import Jinja2Templates
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from db import get_db_conn
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templates = Jinja2Templates(directory="templates")
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router = APIRouter()
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@router.get("/following", response_class=HTMLResponse)
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async def following_page(request: Request):
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return templates.TemplateResponse(request, "following.html", {"active": "following"})
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@router.get("/api/following")
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async def get_following():
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"""Return all distinct library authors with their URL (if any) and book stats."""
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with get_db_conn() as conn:
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with conn.cursor() as cur:
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cur.execute(
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"""
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SELECT
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l.author,
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COUNT(l.filename)::int AS book_count,
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MAX(l.created_at) AS last_added,
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a.url
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FROM library l
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LEFT JOIN authors a ON a.name = l.author
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WHERE l.author IS NOT NULL AND l.author <> '' AND NOT l.archived
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GROUP BY l.author, a.url
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ORDER BY l.author
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"""
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)
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return [
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{
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"name": r[0],
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"book_count": r[1],
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"last_added": r[2].isoformat() if r[2] else None,
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"url": r[3],
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}
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for r in cur.fetchall()
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]
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@router.post("/api/following/{author_name:path}")
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async def set_author_url(author_name: str, request: Request):
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"""Set or clear the URL for an author (empty url removes the entry)."""
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author_name = unquote(author_name)
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body = await request.json()
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url = (body.get("url") or "").strip()
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with get_db_conn() as conn:
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with conn:
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with conn.cursor() as cur:
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if url:
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cur.execute(
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"""
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INSERT INTO authors (name, url)
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VALUES (%s, %s)
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ON CONFLICT (name) DO UPDATE SET url = EXCLUDED.url, updated_at = NOW()
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""",
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(author_name, url),
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)
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else:
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cur.execute("DELETE FROM authors WHERE name = %s", (author_name,))
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return {"ok": True}
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