import {IPage, ISearchItem, ISearchParams, ISearchProvider, Order, Shipping, Sort, StationId} from "../type";
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import {Mercapi, SearchOptions, SortBy, SortOrder} from "mercapi";
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import {beginToPage} from "../lib";
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/**
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* 煤炉（Mercari）搜索服务提供者
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*/
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export class Provider2Mercari implements ISearchProvider {
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readonly stationId = StationId.Mercari;
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async search(params: ISearchParams): Promise<IPage> {
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const maxNum = 120;
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const {keyword, minPrice, maxPrice, shipping, sort, order, category, begin = 1, maxNum: mn} = params;
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const pageNum = beginToPage(begin, maxNum);
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const ops: SearchOptions = {
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priceMin: minPrice,
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priceMax: maxPrice,
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pageToken: `v1:${pageNum - 1}`
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};
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if (shipping === Shipping.Free) {
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ops.shippingPayer = [1]
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}
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const warn: string[] = [];
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if (category) {
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const cId = parseInt(category)
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if (isNaN(cId)) {
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warn.push(`Category ${category} is not a number`);
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} else {
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ops.categories = [cId];
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}
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}
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if (sort) {
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if (sort === Sort.Latest) {
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ops.sortBy = SortBy.CreatedTime
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if (order === Order.Asc) {
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ops.sortOrder = SortOrder.Asc;
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} else {
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ops.sortOrder = SortOrder.Desc;
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}
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} else if (sort === Sort.Price) {
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ops.sortBy = SortBy.Price;
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if (order === Order.Desc) {
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ops.sortOrder = SortOrder.Desc;
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} else {
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ops.sortOrder = SortOrder.Asc;
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}
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} else if (sort !== Sort.Default) {
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warn.push(`unsupported sort=${sort}`);
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}
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}
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if (mn) {
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warn.push(`unsupported maxNum=${mn}`);
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}
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try {
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const results = await Mercapi.search(keyword, ops);
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const dataList: ISearchItem[] = results.items.map(item => ({
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itemId: item.id,
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name: item.name,
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price: item.price,
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url: ['https://jp.mercari.com', item.isShopItem ? 'shops/product' : 'item', item.id].join('/'),
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image: {
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imageUrl: item.thumbnails?.[0],
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},
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}));
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return {
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warning: warn.join(', '),
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total: results.meta.numFound || dataList.length,
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...params,
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begin,
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maxNum,
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pageNum,
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dataList,
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};
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} catch (error: any) {
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return {
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warning: warn.join(', '),
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...params,
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begin,
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maxNum,
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pageNum,
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dataList: [],
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error: error.message || "An unknown error occurred with Mercari search",
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};
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}
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}
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}
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