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import { Router, Request, Response, NextFunction } from 'express';
import { z } from 'zod';
import passport from '../config/passport';
import { validateRequest } from '../middleware/validation.middleware';
import { priceRepo } from '../services/db/price.db';
import { optionalNumeric } from '../utils/zodUtils';
import { priceHistoryLimiter } from '../config/rateLimiters';
import { sendSuccess } from '../utils/apiResponse';
const router = Router();
const priceHistorySchema = z.object({
body: z.object({
masterItemIds: z.array(z.number().int().positive('Number must be greater than 0')).nonempty({
message: 'masterItemIds must be a non-empty array of positive integers.',
}),
limit: optionalNumeric({ default: 1000, integer: true, positive: true }),
offset: optionalNumeric({ default: 0, integer: true, nonnegative: true }),
}),
});
// Infer the type from the schema for local use, as per ADR-003.
type PriceHistoryRequest = z.infer<typeof priceHistorySchema>;
/**
* @openapi
* /price-history:
* post:
* tags: [Price]
* summary: Get price history
* description: Fetches historical price data for a given list of master item IDs.
* security:
* - bearerAuth: []
* requestBody:
* required: true
* content:
* application/json:
* schema:
* type: object
* required:
* - masterItemIds
* properties:
* masterItemIds:
* type: array
* items:
* type: integer
* minItems: 1
* description: Array of master item IDs to get price history for
* limit:
* type: integer
* default: 1000
* description: Maximum number of price points to return
* offset:
* type: integer
* default: 0
* description: Number of price points to skip
* responses:
* 200:
* description: Historical price data for specified items
* content:
* application/json:
* schema:
* $ref: '#/components/schemas/SuccessResponse'
* 400:
* description: Validation error - masterItemIds must be a non-empty array
* 401:
* description: Unauthorized - invalid or missing token
*/
router.post(
'/',
passport.authenticate('jwt', { session: false }),
priceHistoryLimiter,
validateRequest(priceHistorySchema),
async (req: Request, res: Response, next: NextFunction) => {
// Cast 'req' to the inferred type for full type safety.
const {
body: { masterItemIds, limit, offset },
} = req as unknown as PriceHistoryRequest;
req.log.info(
{ itemCount: masterItemIds.length, limit, offset },
'[API /price-history] Received request for historical price data.',
);
try {
const priceHistory = await priceRepo.getPriceHistory(masterItemIds, req.log, limit, offset);
sendSuccess(res, priceHistory);
} catch (error) {
next(error);
}
},
);
export default router;
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