openhands
8638e81444
Replace raw db.execute tuple casts with queryRows/rowsFrom/execResult/ affectedRows helpers from lib/db, drop redundant mysql2 casts on typed query builders, and centralize per-test fakeForm into test/fake-form. Update db mocks in tests so helpers resolve against mocked execute.
57 lines
1.8 KiB
TypeScript
57 lines
1.8 KiB
TypeScript
import { sql } from "drizzle-orm";
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import { queryRows } from "@/lib/db";
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import { findFurniDataIdConflict } from "./furni-data";
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let reservation: Promise<void> = Promise.resolve();
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/** Reserve both SQL and client identifiers by inserting while holding the local queue.
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* The primary key handles competing processes; only duplicate-key failures retry.
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*/
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export async function reserveFurnitureId(
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preferred: number,
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classname: string,
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insert: (id: number) => Promise<void>,
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): Promise<number> {
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let release!: () => void;
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const previous = reservation;
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reservation = new Promise<void>((resolve) => {
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release = resolve;
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});
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await previous;
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try {
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let candidate = preferred;
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for (let attempt = 0; attempt < 100; attempt++) {
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if (
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!Number.isSafeInteger(candidate) ||
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candidate < 1 ||
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candidate > 2147483647
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)
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throw new Error("No valid furniture ID is available");
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const owners = await queryRows<{ item_name: string }>(
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sql`SELECT item_name FROM items_base WHERE id = ${candidate} OR sprite_id = ${candidate} LIMIT 1`,
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);
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const occupied =
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owners.length > 0 ||
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!!(await findFurniDataIdConflict(candidate, classname));
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if (!occupied) {
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try {
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await insert(candidate);
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return candidate;
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} catch (error) {
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const cause =
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(error as { cause?: { code?: string; errno?: number } }).cause ??
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(error as { code?: string; errno?: number });
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if (cause.code !== "ER_DUP_ENTRY" && cause.errno !== 1062)
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throw error;
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}
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}
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const rows = await queryRows<{ maximum: number | string }>(
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sql`SELECT GREATEST(COALESCE(MAX(id), 0), COALESCE(MAX(sprite_id), 0)) AS maximum FROM items_base`,
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);
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candidate = Math.max(candidate + 1, Number(rows[0]?.maximum ?? 0) + 1);
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}
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throw new Error("Cannot reserve a free furniture ID; retry the import");
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} finally {
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release();
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}
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}
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