|
1 | | -import { AuctionItem, Product, PrismaClient } from "@prisma/client"; |
| 1 | +import { AuctionItem, PrismaClient } from "@prisma/client"; |
2 | 2 | import { redisCache } from "../config/redis"; |
3 | 3 | import prisma from "../config/prisma"; |
| 4 | +import { CurrentAuctionMeta } from "../types/interfaceTypes"; |
4 | 5 |
|
5 | 6 | const prismaClient = new PrismaClient(); |
6 | 7 |
|
7 | 8 | class AuctionService { |
8 | | - public getAuctionItems = async ( |
9 | | - auctionId: string, |
10 | | - roundNumber: 1 | 2, |
11 | | - forceUpdate: boolean = false |
12 | | - ): Promise<AuctionItem[] | null> => { |
13 | | - let auctionItemIds = forceUpdate |
14 | | - ? null |
15 | | - : await redisCache.get<string[]>(`auctionItems:${auctionId}`); |
16 | | - |
17 | | - if (!auctionItemIds) { |
18 | | - // Fetch IDs from DB if cache misses or forceUpdate is true |
19 | | - const dbAuctionItems = await prisma.auctionItem.findMany({ |
20 | | - where: { auctionId, roundNumber }, |
21 | | - select: { id: true }, |
22 | | - }); |
23 | | - |
24 | | - auctionItemIds = dbAuctionItems.map((item) => item.id); |
25 | | - |
26 | | - // Store fetched IDs in cache |
27 | | - await redisCache.set(`auctionItems:${auctionId}`, auctionItemIds); |
28 | | - } |
| 9 | + public getAuctionItems = async ( |
| 10 | + auctionId: string, |
| 11 | + roundNumber: 1 | 2, |
| 12 | + forceUpdate: boolean = false, |
| 13 | + ): Promise<AuctionItem[] | null> => { |
| 14 | + const meta = await redisCache.get<CurrentAuctionMeta>( |
| 15 | + `currentAuctionMeta:${auctionId}`, |
| 16 | + ); |
| 17 | + roundNumber = meta?.currentRoundNumber || 1; |
| 18 | + const listKey = |
| 19 | + roundNumber === 1 |
| 20 | + ? `auctionItems:${auctionId}` |
| 21 | + : `auctionItems2:${auctionId}`; |
| 22 | + let auctionItemIds = forceUpdate |
| 23 | + ? null |
| 24 | + : await redisCache.get<string[]>(listKey); |
| 25 | + |
| 26 | + if (!auctionItemIds) { |
| 27 | + // Fetch IDs from DB if cache misses or forceUpdate is true |
| 28 | + const dbAuctionItems = await prisma.auctionItem.findMany({ |
| 29 | + where: { auctionId, roundNumber }, |
| 30 | + select: { id: true }, |
| 31 | + }); |
| 32 | + |
| 33 | + auctionItemIds = dbAuctionItems.map((item) => item.id); |
| 34 | + |
| 35 | + // Store fetched IDs in cache |
| 36 | + await redisCache.set(listKey, auctionItemIds); |
| 37 | + } |
| 38 | + |
| 39 | + const result: AuctionItem[] = []; |
| 40 | + |
| 41 | + for (const auctionItemId of auctionItemIds) { |
| 42 | + let auctionItem = forceUpdate |
| 43 | + ? null |
| 44 | + : await redisCache.get<AuctionItem>("auctionItem:" + auctionItemId); |
29 | 45 |
|
30 | | - const result: AuctionItem[] = []; |
31 | | - |
32 | | - for (const auctionItemId of auctionItemIds) { |
33 | | - let auctionItem = forceUpdate |
34 | | - ? null |
35 | | - : await redisCache.get<AuctionItem>( |
36 | | - "auctionItem:" + auctionItemId |
37 | | - ); |
38 | | - |
39 | | - if (!auctionItem) { |
40 | | - // Fetch from DB if not found in cache or forceUpdate is true |
41 | | - auctionItem = await prisma.auctionItem.findUnique({ |
42 | | - where: { id: auctionItemId }, |
43 | | - include: { |
44 | | - product: true, // Fetch all fields inside product |
45 | | - }, |
46 | | - }); |
47 | | - if (auctionItem) { |
48 | | - await redisCache.set( |
49 | | - "auctionItem:" + auctionItemId, |
50 | | - auctionItem |
51 | | - ); |
52 | | - result.push(auctionItem); |
53 | | - } |
54 | | - } else { |
55 | | - result.push(auctionItem); |
56 | | - } |
| 46 | + if (!auctionItem) { |
| 47 | + // Fetch from DB if not found in cache or forceUpdate is true |
| 48 | + auctionItem = await prisma.auctionItem.findUnique({ |
| 49 | + where: { id: auctionItemId }, |
| 50 | + include: { |
| 51 | + product: true, // Fetch all fields inside product |
| 52 | + }, |
| 53 | + }); |
| 54 | + if (auctionItem) { |
| 55 | + await redisCache.set("auctionItem:" + auctionItemId, auctionItem); |
| 56 | + result.push(auctionItem); |
57 | 57 | } |
58 | | - return result; |
59 | | - }; |
| 58 | + } else { |
| 59 | + result.push(auctionItem); |
| 60 | + } |
| 61 | + } |
| 62 | + return result; |
| 63 | + }; |
60 | 64 | } |
61 | 65 |
|
62 | 66 | export = AuctionService; |
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