Torben Sorensen
2c1de24e9a
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48 lines
1.6 KiB
TypeScript
48 lines
1.6 KiB
TypeScript
// src/routes/stats.routes.ts
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import { Router, Request, Response, NextFunction } from 'express';
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import { z } from 'zod';
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import * as db from '../services/db/index.db';
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import { validateRequest } from '../middleware/validation.middleware';
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import { optionalNumeric } from '../utils/zodUtils';
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const router = Router();
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// --- Zod Schema for Stats Routes (as per ADR-003) ---
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// Define the query schema separately so we can use it to parse req.query in the handler
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const statsQuerySchema = z.object({
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days: optionalNumeric({ default: 30, min: 1, max: 365, integer: true }),
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limit: optionalNumeric({ default: 10, min: 1, max: 50, integer: true }),
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});
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const mostFrequentSalesSchema = z.object({
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query: statsQuerySchema,
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});
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/**
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* GET /api/stats/most-frequent-sales - Get a list of items that have been on sale most frequently.
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* This is a public endpoint for data analysis.
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*/
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router.get(
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'/most-frequent-sales',
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validateRequest(mostFrequentSalesSchema),
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async (req: Request, res: Response, next: NextFunction) => {
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try {
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// Parse req.query to ensure coercion (string -> number) and defaults are applied.
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// Even though validateRequest checks validity, it may not mutate req.query with the parsed result.
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const { days, limit } = statsQuerySchema.parse(req.query);
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const items = await db.adminRepo.getMostFrequentSaleItems(days!, limit!, req.log);
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res.json(items);
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} catch (error) {
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req.log.error(
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{ error },
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'Error fetching most frequent sale items in /api/stats/most-frequent-sales:',
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);
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next(error);
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}
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},
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);
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export default router;
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