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feat: index public search with FTS5

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tangsongdayo
2026-07-19 12:52:44 +08:00
parent 428ee50cd6
commit 82879a36cc
4 changed files with 24 additions and 3 deletions
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app/page.tsx
+3 -2
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@@ -9,8 +9,9 @@ type Query = { q?: string; tag?: string; source?: string; author?: string; from?
export default async function Home({ searchParams }: { searchParams: Promise<Query> }) {
const query = await searchParams; const q = query.q?.trim() || ""; const tag = query.tag?.trim() || ""; const author = query.author?.trim() || ""; const sourceId = Number(query.source) || 0; const from = query.from || ""; const to = query.to || ""; const attachments = query.attachments === "1"; const page = Math.max(1, Number(query.page) || 1);
const where = ["p.visibility='PUBLIC'", "p.hidden=0"]; const args: (string | number)[] = [];
if (q) { where.push("p.content LIKE ?"); args.push(`%${q}%`); } if (tag) { where.push("p.tags_json LIKE ?"); args.push(`%${JSON.stringify(tag).slice(1, -1)}%`); } if (author) { where.push("u.username LIKE ?"); args.push(`%${author}%`); } if (sourceId) { where.push("s.id=?"); args.push(sourceId); } if (from) { where.push("date(COALESCE(p.remote_created_at,p.created_at)) >= date(?)"); args.push(from); } if (to) { where.push("date(COALESCE(p.remote_created_at,p.created_at)) <= date(?)"); args.push(to); } if (attachments) where.push("p.attachments_json <> '[]'");
const joins = " FROM posts p JOIN users u ON u.id=p.author_id LEFT JOIN sources s ON s.id=p.source_id "; const predicate = ` WHERE ${where.join(" AND ")}`;
const ftsQuery = q.split(/\s+/).filter(Boolean).map((term) => `"${term.replaceAll('"', '""')}"`).join(" AND ");
if (q) { where.push("posts_fts MATCH ?"); args.push(ftsQuery); } if (tag) { where.push("p.tags_json LIKE ?"); args.push(`%${JSON.stringify(tag).slice(1, -1)}%`); } if (author) { where.push("u.username LIKE ?"); args.push(`%${author}%`); } if (sourceId) { where.push("s.id=?"); args.push(sourceId); } if (from) { where.push("date(COALESCE(p.remote_created_at,p.created_at)) >= date(?)"); args.push(from); } if (to) { where.push("date(COALESCE(p.remote_created_at,p.created_at)) <= date(?)"); args.push(to); } if (attachments) where.push("p.attachments_json <> '[]'");
const joins = ` FROM posts p ${q ? "JOIN posts_fts ON posts_fts.rowid=p.id" : ""} JOIN users u ON u.id=p.author_id LEFT JOIN sources s ON s.id=p.source_id `; const predicate = ` WHERE ${where.join(" AND ")}`;
const total = Number((db.prepare(`SELECT count(*) count${joins}${predicate}`).get(...args) as { count: number }).count); const pages = Math.max(1, Math.ceil(total / pageSize)); const safePage = Math.min(page, pages);
const posts = db.prepare(`SELECT p.*,u.username,s.name,s.remote_display_name,s.base_url AS source_base_url,(SELECT count(*) FROM comments c WHERE c.post_id=p.id AND c.hidden=0) comment_count,(SELECT count(*) FROM reactions r WHERE r.post_id=p.id) reaction_count${joins}${predicate} ORDER BY COALESCE(p.remote_created_at,p.created_at) DESC LIMIT ? OFFSET ?`).all(...args, pageSize, (safePage - 1) * pageSize) as PublicPost[];
const sources = db.prepare("SELECT id,name FROM sources WHERE is_enabled=1 ORDER BY name").all() as { id: number; name: string }[];