ca531262f7
Replace substring matching (.includes) with \b word-boundary regex so keywords like "Pay" no longer match "Payment". Add an auto-categorize button on the transactions page that re-runs keyword matching on uncategorized transactions and displays the result count. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
78 lines
2.2 KiB
TypeScript
78 lines
2.2 KiB
TypeScript
import { getDb } from "./db";
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import type { Keyword } from "../shared/types";
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/**
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* Normalize a description for keyword matching:
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* - lowercase
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* - strip accents via NFD decomposition
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* - collapse whitespace
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*/
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function normalizeDescription(desc: string): string {
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return desc
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.normalize("NFD")
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.replace(/[\u0300-\u036f]/g, "")
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.toLowerCase()
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.replace(/\s+/g, " ")
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.trim();
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}
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interface CategorizationResult {
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category_id: number | null;
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supplier_id: number | null;
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}
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/**
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* Auto-categorize a single transaction description.
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* Returns matching category_id and supplier_id, or nulls if no match.
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*/
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export async function categorizeDescription(
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description: string
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): Promise<CategorizationResult> {
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const db = await getDb();
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const keywords = await db.select<Keyword[]>(
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"SELECT * FROM keywords WHERE is_active = 1 ORDER BY priority DESC"
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);
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const normalized = normalizeDescription(description);
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for (const kw of keywords) {
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const normalizedKeyword = normalizeDescription(kw.keyword);
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const escaped = normalizedKeyword.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
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if (new RegExp(`\\b${escaped}\\b`).test(normalized)) {
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return {
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category_id: kw.category_id,
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supplier_id: kw.supplier_id ?? null,
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};
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}
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}
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return { category_id: null, supplier_id: null };
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}
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/**
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* Auto-categorize a batch of transactions (by their descriptions).
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* Returns an array of results in the same order.
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*/
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export async function categorizeBatch(
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descriptions: string[]
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): Promise<CategorizationResult[]> {
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const db = await getDb();
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const keywords = await db.select<Keyword[]>(
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"SELECT * FROM keywords WHERE is_active = 1 ORDER BY priority DESC"
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);
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return descriptions.map((desc) => {
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const normalized = normalizeDescription(desc);
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for (const kw of keywords) {
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const normalizedKeyword = normalizeDescription(kw.keyword);
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const escaped = normalizedKeyword.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
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if (new RegExp(`\\b${escaped}\\b`).test(normalized)) {
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return {
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category_id: kw.category_id,
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supplier_id: kw.supplier_id ?? null,
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};
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}
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}
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return { category_id: null, supplier_id: null };
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});
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}
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