63 lines
1.9 KiB
TypeScript
63 lines
1.9 KiB
TypeScript
import type { CommonProductItem, CommonResource } from '@prisma/client';
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export type ProductMediaDto = {
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mainImageUrl: string | null;
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carouselUrls: string[];
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detailImageUrls: string[];
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};
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type ProductWithCover = CommonProductItem & {
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coverResource?: { url: string } | null;
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};
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function urlsFromResources(resources: CommonResource[], bizType: 'CAROUSEL' | 'DETAIL') {
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return resources
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.filter((r) => r.bizType === bizType && r.url)
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.sort((a, b) => a.sortOrder - b.sortOrder)
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.map((r) => r.url);
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}
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export function mapProductMedia(
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product: ProductWithCover,
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extraResources: CommonResource[] = [],
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): ProductMediaDto {
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const mainImageUrl = product.coverResource?.url ?? null;
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const carouselFromDb = urlsFromResources(extraResources, 'CAROUSEL');
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const detailFromDb = urlsFromResources(extraResources, 'DETAIL');
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const detailFromJson = parseDetailContentImages(product.detailContent);
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const carouselUrls =
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carouselFromDb.length > 0
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? carouselFromDb
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: mainImageUrl
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? [mainImageUrl]
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: [];
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const detailImageUrls =
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detailFromDb.length > 0
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? detailFromDb
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: detailFromJson;
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return { mainImageUrl, carouselUrls, detailImageUrls };
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}
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function parseDetailContentImages(detailContent: unknown): string[] {
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if (!detailContent || typeof detailContent !== 'object') return [];
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const record = detailContent as Record<string, unknown>;
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const images = record.images ?? record.detailImages ?? record.detailImageUrls;
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if (!Array.isArray(images)) return [];
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return images.filter((item): item is string => typeof item === 'string' && item.length > 0);
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}
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export function groupResourcesByProductId(resources: CommonResource[]) {
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const map = new Map<string, CommonResource[]>();
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for (const resource of resources) {
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const key = resource.ownerId.toString();
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const list = map.get(key) ?? [];
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list.push(resource);
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map.set(key, list);
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}
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return map;
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}
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