import { readdir, readFile } from "node:fs/promises";
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import { join } from "node:path";
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import {
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CUSTOMER_NUMBER_PATTERN,
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type CustomerNumber,
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type FileInfo,
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} from "@dh-software/baukasten-types";
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/**
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* Lists the customer-number folders directly under `baseDir` (the baukasten
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* "configurations" directory). Folder names that are not pure customer numbers
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* (e.g. the "66666 (example customer nr)" template) are ignored.
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*/
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export async function listCustomerNumbers(baseDir: string): Promise<CustomerNumber[]> {
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const entries = await readdir(baseDir, { withFileTypes: true });
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return entries
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.filter((entry) => entry.isDirectory() && CUSTOMER_NUMBER_PATTERN.test(entry.name))
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.map((entry) => entry.name);
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}
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/** Reads and parses a single customer's fileinfo.json. */
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export async function readFileInfo(
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baseDir: string,
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customerNumber: CustomerNumber,
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): Promise<FileInfo> {
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const fileInfoPath = join(baseDir, customerNumber, "fileinfo.json");
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const raw = await readFile(fileInfoPath, "utf-8");
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return JSON.parse(raw) as FileInfo;
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}
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