list-handler.js
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/**
* 列表页数据处理
* @author: yyq<yanqing.yang@yoho.cn>
* @date: 2017/11/24
*/
'use strict';
const _ = require('lodash');
const helpers = global.yoho.helpers;
const indexUrl = {
boys: helpers.urlFormat('/'),
girls: helpers.urlFormat('/woman'),
kids: helpers.urlFormat('/kids'),
lifestyle: helpers.urlFormat('/lifestyle')
};
const parameter = require(`${global.utils}/parameter`);
const handleFilterUrl = parameter.fullParamToMinPath;
// 页面商品数量
const pageSizeType = [40, 100, 200];
const brandIndex = [{
index: 'all',
name: '全部'
}, {
index: '0-9',
name: '0~9'
}];
// 品牌索引数据处理
for (let i = 65; i < 91; i++) {
brandIndex.push({
index: String.fromCharCode(i).toLowerCase(),
name: String.fromCharCode(i)
});
}
/**
* 根据页面设置面包屑导航
* @type {[type]}
*/
const handlePathNavData = (data, params, page, channel, baseUrl) => {
let rootName = '首页';
if (channel && _.isString(channel)) {
rootName = channel.toUpperCase() + rootName;
}
let pathNav = [{
href: indexUrl[channel],
name: rootName, // '首页',
pathTitle: rootName // '首页'
}];
switch (page) {
case 'search': // 搜索结果提示
if (params.query || params.keywords) {
params.query = params.query || params.keywords;
pathNav.push({
name: '“<span id="nav_keyword">' +
params.query + '</span>” 共<span id="nav_keyword_count">' +
data.total + '</span>个结果'
});
} else {
pathNav.push({
name: '所有商品'
});
}
break;
case 'brand': // 品牌
pathNav.push({
name: '品牌一览',
pathTitle: '品牌一览',
href: helpers.urlFormat('/brands')
}, {
name: data.brandNameEn + data.brandNameCn,
pathTitle: data.brandNameEn + data.brandNameCn
});
break;
case 'shop': // 店铺
pathNav.push({
name: data.brandName,
pathTitle: data.brandName
});
break;
case 'new': // 新品到着
pathNav.push({
name: '新品到着',
pathTitle: '新品到着'
});
break;
default: // eslint-disable-line
let navList = [];
_.forEach(data, sort => {
let sortName = sort.category_name,
sortCategoryId = `${sort.category_id}`;
if (`${params.category_id}` === sortCategoryId) {
navList = [{
name: sortName,
pathTitle: sortName
}];
return false;
} else if (!_.isEmpty(sort.sub)) {
_.each(sort.sub, misort => {
let misortName = misort.category_name;
if (`${params.category_id}` === `${misort.category_id}`) {
navList = [{
name: sortName,
href: handleFilterUrl(baseUrl, {category_id: sortCategoryId}),
pathTitle: sortName
}, {
name: misortName,
pathTitle: misortName
}];
return false;
}
});
if (navList.length) {
return false;
}
}
});
if (navList.length) {
pathNav = _.concat(pathNav, navList);
}
break;
}
return {
pathNav: pathNav,
listType: page
};
};
/**
* 处理页面左侧分类筛选数据 new
* @param origin 分类原始数据,一般是接口返回数据中的 group_sort 字段
* @param params 当前 URL 中已有的参数
* @param extra 可以任意传值用来处理特殊情况
* @param {string} [baseUrl] 需要跳转非当前页面传的相对路径(可不传,默认为空字符串)
* @returns {{}}
*/
const handleSortData = (origin, params, originParams, baseUrl) => {
let leftContent = {
sort: { misort: [] },
checked: []
};
let allCount = 0;
let all = [{
name: '全部品类',
num: allCount,
href: handleFilterUrl(baseUrl, params, {}, {msort: true, misort: true, sort: true, category_id: true})
}], list = [];
// 生成占位符的url,不用每次遍历分类都拼接url,?category_id=${category_id}&gender=1,3
const href = handleFilterUrl(baseUrl, params, {category_id: '${category_id}'}, {
msort: true,
misort: true,
sort: true
});
const cid = `${originParams.category_id}`;
_.each(origin, cate => {
let cateActive = cid === `${cate.category_id}`;
let category = {
categoryId: cate.category_id,
name: cate.category_name,
active: cateActive
};
let childList = [{
categoryId: cate.category_id,
name: `全部${cate.category_name}`,
href: href.replace('${category_id}', cate.category_id),
childActive: cateActive
}];
_.each(cate.sub, subCate => {
let subCateActive = cid === `${subCate.category_id}`;
if (subCateActive) {
category.active = true;
}
childList.push({
categoryId: subCate.category_id,
name: subCate.category_name,
href: href.replace('${category_id}', subCate.category_id),
childActive: cid === `${subCate.category_id}`
});
});
category.childList = childList;
list.push(category);
});
leftContent.allSort = {all, list};
return leftContent;
};
class FilterTools {
constructor(origin, params, baseUrl) {
this.origin = origin;
this.params = params;
this.baseUrl = baseUrl;
if (+params.page < 2) {
_.unset(params, 'page');
}
}
handleFilterCheckedConditions() {
let {baseUrl, origin, params} = this;
const conditions = [];
const customPrice = {
min: '',
max: ''
};
const filter = _.get(origin, 'filter', {});
_.each(params, (v, k) => {
const condition = {};
if (k === 'price') {
if (filter.priceRange && filter.priceRange[params.price]) {
condition.name = filter.priceRange[params.price].replace('¥', '¥');
} else {
const prices = _.split(params.price, ',');
if (prices.length === 1 || (prices[0] && !prices[1])) {
condition.name = `¥${prices[0] || prices[1]}以上`;
customPrice.min = prices[0] || prices[1];
} else {
condition.name = `¥${prices[0] || 0}-${prices[1]}`;
customPrice.min = prices[0] || '';
customPrice.max = prices[1];
}
}
} else if (k === 'color') {
const colorFind = _.find(filter.color, c => c.color_id === _.parseInt(params.color));
if (colorFind) {
condition.name = colorFind.color_name;
condition.color = colorFind.color_value ? 'url(' + colorFind.color_value.replace('http://', '//') + ')' : '#' + colorFind.color_code.replace('#', '');
}
} else if (k === 'size') {
const sizeFind = _.find(filter.size, c => c.size_id === _.parseInt(params.size));
if (sizeFind) {
condition.name = sizeFind.size_name;
}
} else if (k === 'age_level') {
if (filter.ageLevel) {
const ageFind = _.find(filter.ageLevel, c => +c.id === _.parseInt(params.age_level));
if (ageFind) {
condition.name = ageFind.name;
}
}
} else if (k === 'gender') {
const genderFind = _.find(this.handleFilterGender(), 'checked');
if (genderFind) {
condition.name = genderFind.name;
}
} else if (k === 'brand') {
let brandFinds;
if (filter.paramBrand) {
brandFinds = filter.paramBrand;
} else {
const brands = _.split(params.brand, ',');
brandFinds = _.filter(filter.brand, c => _.some(brands, id => _.parseInt(id) === c.id));
}
if (brandFinds.length) {
condition.totalName = _.join(_.map(brandFinds, brand => brand.brand_name), '、');
condition.name = brandFinds.length > 1 ?
(`${brandFinds[0].brand_name}、${brandFinds[1].brand_name.substring(0, 3)}...`) :
condition.totalName;
}
} else if (k === 'style') {
const styleids = _.split(params.style, ',');
const styleFinds = _.filter(filter.style,
style => _.some(styleids, id => _.parseInt(id) === style.style_id));
if (styleFinds.length) {
condition.name = styleFinds.length >= 2 ?
(`${styleFinds[0].style_name}、${styleFinds[1].style_name}`) :
styleFinds[0].style_name;
}
}
if (condition.name) {
const clearParams = Object.assign({}, params, { [k]: '' });
condition.itemType = k;
condition.href = handleFilterUrl(baseUrl, clearParams);
conditions.push(condition);
return;
}
if (k === 'standard') {
const standard = _.get(origin, 'standard', []);
const standardList = _.split(params.standard, ',');
_.each(standardList, standardstr => {
const standardids = _.split(standardstr, '_');
if (standardids.length === 2) {
const pStandar = _.find(standard, s => _.parseInt(s.standard_id) === _.parseInt(standardids[0])); // eslint-disable-line
if (pStandar) {
const cStandar = _.find(pStandar.sub,
s => _.parseInt(s.standard_id) === _.parseInt(standardids[1]));
if (cStandar) {
const clearParams = Object.assign({}, params, { [k]: '' });
conditions.push({
itemType: pStandar.standard_name,
href: handleFilterUrl(baseUrl, clearParams,
{standard: _.join(_.filter(standardList, ids => ids !== standardstr), ',')}), // eslint-disable-line
name: cStandar.standard_name
});
}
}
}
});
}
});
return {conditions, customPrice};
}
handleFilterGender() { // 组装gender筛选数据
let {baseUrl, params} = this;
const href = handleFilterUrl(baseUrl, params, {gender: '${gender}'});
return [{
name: 'BOYS',
href: href.replace('${gender}', '1,3'),
checked: params.gender === '1,3'
}, {
name: 'GIRLS',
href: href.replace('${gender}', '2,3'),
checked: params.gender === '2,3'
}];
}
handleFilterBrand() { // 组装brand筛选数据
let {baseUrl, origin, params} = this;
const filter = _.get(origin, 'filter', {});
const brands = {};
if (!filter.brand || !filter.brand.length) {
return false;
}
const defaultBrands = [];
const brandsShow = [];
const href = handleFilterUrl(baseUrl, params, {brand: '${brand}'});
const brandids = _.split(params.brand, ',');
_.each(filter.brand, brand => {
let brandItem = {
name: brand.brand_name,
href: href.replace('${brand}', _.replace(brand.id, '-', '__')), // 替换全球购品牌id中-
checked: _.some(brandids, bid => _.parseInt(bid) === +brand.id),
id: brand.id
};
if (brand.brand_alif) {
if (!_.isNaN(parseInt(brand.brand_alif, 10))) {
brandItem.index = '0-9';
} else {
brandItem.index = brand.brand_alif.toLowerCase();
}
}
brandsShow.push(brandItem);
if (brandsShow.length <= 10) {
defaultBrands.push(brandItem);
}
});
if (brandsShow.length > 10) {
_.assign(brands, {
showMore: true,
showMulti: true,
brandIndex: brandIndex || []
});
}
return _.assign(brands, {
default: defaultBrands,
brandsShow: brandsShow,
seatUrl: handleFilterUrl(baseUrl, params, {brand: '{seat}'})
});
}
handleFilterSizes() { // 组装sizes筛选数据
let {baseUrl, origin, params} = this;
const filter = _.get(origin, 'filter', {});
const sizes = [];
const href = handleFilterUrl(baseUrl, params, {size: '${size}'});
if (!params.category_id) {
return sizes;
}
_.each(filter.size, size => {
sizes.push({
name: size.size_name,
href: href.replace('${size}', size.size_id),
checked: size.size_id === _.parseInt(params.size)
});
});
return sizes;
}
handleFilterColors() {
let {baseUrl, origin, params} = this;
const filter = _.get(origin, 'filter', {});
const colors = [];
const href = handleFilterUrl(baseUrl, params, {color: '${color}'});
_.each(filter.color, color => {
colors.push({
name: color.color_name,
href: href.replace('${color}', color.color_id),
checked: color.color_id === _.parseInt(params.color),
rgb: color.color_value ?
'url(' + color.color_value.replace('http://', '//') + ')' :
'#' + color.color_code.replace('#', '')
});
});
return colors;
}
handleFilterAgeLevels() { // 组装ageLevels筛选数据
let {baseUrl, origin, params} = this;
const filter = _.get(origin, 'filter', {});
const ageLevels = [];
const href = handleFilterUrl(baseUrl, params, {age_level: '${age_level}'});
_.each(filter.ageLevel, age => {
ageLevels.push({
name: age.name,
href: href.replace('${age_level}', age.id),
checked: _.parseInt(age.id) === _.parseInt(params.age_level)
});
});
return ageLevels;
}
handleFilterPrices() { // 组装prices筛选数据
let {baseUrl, origin, params} = this;
const filter = _.get(origin, 'filter', {});
let prices = [];
const href = handleFilterUrl(baseUrl, params, {price: '${price}'});
_.each(filter.priceRange, (name, price) => {
prices.push({
name: name,
href: href.replace('${price}', price),
checked: price === params.price,
order: _.parseInt(_.split(price, ',')[0])
});
});
prices = _.sortBy(prices, (item) => {
return item.order;
});
return prices;
}
handleFilterStyles() { // 组装style筛选数据
let {baseUrl, origin, params} = this;
const filter = _.get(origin, 'filter', {});
let styles = [];
const href = handleFilterUrl(baseUrl, params, {style: '${style}'});
const styleids = _.split(params.style, ',');
_.each(filter.style, style => {
styles.push({
name: style.style_name,
href: href.replace('${style}', style.style_id),
checked: _.some(styleids, id => _.parseInt(id) === style.style_id),
id: style.style_id
});
});
return styles;
}
handleFilterStandars() { // 组装standars筛选数据
let {baseUrl, origin, params} = this;
const standards = _.get(origin, 'standard', {});
const filterStandars = [];
const href = handleFilterUrl(baseUrl, params, {standard: '${standard}'});
let standarParam = {};
_.each(_.split(params.standard || '', ','), item => {
const sps = _.split(item, '_');
if (sps.length === 2) {
standarParam[sps[0]] = sps[1];
}
});
_.each(standards, standard => {
if (standard.sub.length > 1) {
filterStandars.push({
name: standard.standard_name,
sub: _.map(standard.sub, sub => {
const standarParamItem = Object.assign({}, standarParam, {
[standard.standard_id]: sub.standard_id
});
const standarParamStr = _.join(_.map(standarParamItem, (v, k) => {
return `${k}_${v}`;
}), ',');
return {
name: sub.standard_name,
href: href.replace('${standard}', standarParamStr),
checked: _.parseInt(sub.standard_id) === _.parseInt(standarParam[standard.standard_id]),
id: sub.standard_id
};
})
});
}
});
return filterStandars;
}
}
/**
* 处理筛选数据
* @param origin 要处理的筛选数据 filter
* @param params 当前 URL 中已有的参数,处理选中状态使用
* @returns {{}}
*/
const handleFilterData = (origin, params, baseUrl) => {
// 清除所有选中数据
// 某些特殊带频道信息页面,清除性别,需将gender设为1,2,3 (2017-3 配合SEO进行URL改造)
let remainParams = {
gender: '1,2,3'
};
const tools = new FilterTools(origin, params, baseUrl);
params.id && (remainParams.id = params.id);
params.union_type && (remainParams.union_type = params.union_type);
const clearUrl = handleFilterUrl(baseUrl, remainParams);
const {conditions, customPrice} = tools.handleFilterCheckedConditions();
const size = tools.handleFilterSizes();
const gender = tools.handleFilterGender();
const brand = tools.handleFilterBrand();
const color = tools.handleFilterColors();
const style = tools.handleFilterStyles();
const standard = tools.handleFilterStandars();
const checkedConditions = {
clearUrl,
conditions
};
let seniorChose = [];
let price = [];
let priceSeatUrl;
if (origin.total >= 10) {
price = tools.handleFilterPrices(origin, params);
priceSeatUrl = handleFilterUrl(baseUrl, params, {price: '{seat}'}); // 带[占位符]的前端跳转url
}
let ageLevel = tools.handleFilterAgeLevels(origin, params);
if (ageLevel.length <= 1) {
ageLevel = [];
}
if (style.length > 1) {
seniorChose.push({
name: '风格',
showMulti: true,
sub: style,
attr: 'style',
seatUrl: handleFilterUrl(baseUrl, params, {style: '{seat}'}) // 带[占位符]的前端跳转url
});
seniorChose = seniorChose.concat(standard);
}
return {
checkedConditions,
size,
gender,
brand,
color,
ageLevel,
customPrice,
price,
priceSeatUrl,
seniorChose
};
};
/**
* 处理 sort 排序数据
* @param params
* @param extra 什么都可以传进来,多个参数传Object
* @returns {{}}
*/
const handleOptSortData = (params, filter, baseUrl) => {
const href = handleFilterUrl(baseUrl, params, {order: '${order}'}, {page: true});
const sortType = [{
href: href.replace('${order}', ''),
name: '默认',
active: !params.order || params.order === 's_n_desc',
hasSortOrient: false
}, {
href: href.replace('${order}', 'h_v_desc'),
name: '人气',
active: params.order === 'h_v_desc',
hasSortOrient: false
}, {
href: params.order === 's_t_desc' ?
href.replace('${order}', 's_t_asc') :
href.replace('${order}', 's_t_desc'),
name: '新品',
active: params.order === 's_t_desc' || params.order === 's_t_asc',
hasSortOrient: true,
desc: params.order !== 's_t_desc'
}, {
href: params.order === 's_p_desc' ?
href.replace('${order}', 's_p_asc') :
href.replace('${order}', 's_p_desc'),
name: '价格',
active: params.order === 's_p_desc' || params.order === 's_p_asc',
hasSortOrient: true,
desc: params.order !== 's_p_desc'
}, {
href: params.order === 'p_d_desc' ?
href.replace('${order}', 'p_d_asc') :
href.replace('${order}', 'p_d_desc'),
name: '折扣',
active: params.order === 'p_d_desc' || params.order === 'p_d_asc',
hasSortOrient: true,
desc: params.order !== 'p_d_desc'
}];
const checks = [];
if (filter) {
if (filter.new || params.new === 'Y') {
checks.push({
name: '新品',
checked: params.new === 'Y',
href: handleFilterUrl(baseUrl, params, {new: 'Y'}, params.new === 'Y' ? {new: true} : {})
});
}
if (filter.specialoffer || params.specialoffer === 'Y') {
checks.push({
name: '打折',
checked: params.specialoffer === 'Y',
href: handleFilterUrl(baseUrl, params, {specialoffer: 'Y'}, params.specialoffer === 'Y' ? {specialoffer: true} : {}) // eslint-disable-line
});
}
if (filter.limited || params.limited === 'Y') {
checks.push({
name: '限量',
checked: params.limited === 'Y',
href: handleFilterUrl(baseUrl, params, {limited: 'Y'}, params.limited === 'Y' ? {limited: true} : {})
});
}
}
return {sortType, checks};
};
/**
* 处理 page 数据
* @param params
* @param extra 什么都可以传进来,多个参数传Object
* @returns {{}}
*/
const handlePageData = (params, total, baseUrl) => {
// 上下翻页数据处理
const pageSizeUrl = handleFilterUrl(baseUrl, params, {limit: '${limit}'}, {page: true});
const pageCounts = _.map(pageSizeType, size => {
return {
href: pageSizeUrl.replace('${limit}', size),
count: size
};
});
const curPage = _.parseInt(params.page || 1); // 当前页码数
const countPerPage = _.parseInt(params.limit || pageSizeType[0]) - 1; // 每页商品数量
const pageCount = _.ceil(total / countPerPage); // 全部页码数量
let preHref;
let nextHref;
const pageUrl = handleFilterUrl(baseUrl, params, {page: '${page}'});
if (curPage > 1) {
preHref = pageUrl.replace('${page}', curPage - 1);
}
if (curPage < pageCount) {
nextHref = pageUrl.replace('${page}', curPage + 1);
}
return {
pageCounts,
curPage,
countPerPage: countPerPage + 1,
pageCount,
preHref,
nextHref
};
};
/**
* 处理 opts 排序数据 new
* @param params
* @param extra 什么都可以传进来,多个参数传Object
* @returns {{}}
*/
const handleOptsData = (params, total, filter, baseUrl) => {
return Object.assign(
handleOptSortData(params, filter, baseUrl),
handlePageData(params, total, baseUrl));
};
/**
* 处理 下一页链接
* @param params
* @param extra 什么都可以传进来,多个参数传Object
* @returns {{}}
*/
const handleNextPage = (params, total, baseUrl) => {
let currentPage = parseInt((params.page ? params.page : 1), 10); // 当前页
let perPageCount = parseInt((params.limit ? params.limit : pageSizeType[0]) - 1, 10); // 每页商品数
let totalPage = _.ceil(total / perPageCount); // 总页数
if (currentPage >= totalPage) {
return null;
}
return {
href: handleFilterUrl(baseUrl, params, {page: currentPage + 1}),
src: '//img10.static.yhbimg.com/product/2014/01/15/11/01fa01614784f6239760f1b749663016f1.jpg?' +
'imageMogr2/thumbnail/235x314/extent/235x314/background/d2hpdGU=/position/center/quality/90'
};
};
/**
* 分页
* @param {[type]} total 总页数
* @param {[type]} params 筛选条件
* @param {[noNextBtn]} 列表是否有下一页的按钮,如果有则实际查询数比传递参数的少一个,入60 => 59
* @return {[type]} [description]
*/
const handlePagerData = (total, params, noNextBtn, baseUrl) => {
const curPage = _.parseInt(params.page || 1);
const pageSize = _.parseInt(params.limit || pageSizeType[0]) + (noNextBtn ? 0 : -1);
const totalPage = _.ceil(total / pageSize);
const tip = {
start: (curPage - 1) * pageSize + 1,
end: curPage * pageSize > total ? total : curPage * pageSize,
total
};
let prePage, nextPage;
const pageUrl = handleFilterUrl(baseUrl, params, {page: '${page}'});
if (curPage > 1) {
prePage = {
url: pageUrl.replace('${page}', curPage - 1)
};
}
if (curPage < totalPage) {
nextPage = {
url: pageUrl.replace('${page}', curPage + 1)
};
}
let pages = [];
let pagesNums = totalPage > 5 ? 5 : totalPage;
let offsetPage = curPage + _.round(0 - pagesNums / 2); // 遍历页码左侧数字
if (offsetPage <= 0) {
offsetPage = 1;
} else if (offsetPage + pagesNums > totalPage) {
offsetPage = totalPage - pagesNums + 1;
}
const preLimit = offsetPage - 1; // 页码1和遍历页码左侧的距离
const nextLimit = totalPage - (offsetPage - 1 + pagesNums); // 总页码和遍历页码右侧的距离
if (preLimit === 1) { // 如果左侧间距为1则显示这个页码
pagesNums++;
offsetPage--;
}
if (nextLimit === 1) { // 如果右侧间距为1则显示这个页码
pagesNums++;
}
if (preLimit >= 2) {
pages = _.concat(pages, {
num: 1,
url: pageUrl.replace('${page}', 1),
}, {
num: '...'
});
}
if (offsetPage <= 0) {
offsetPage = 1;
} else if (offsetPage + pagesNums > totalPage) {
offsetPage = totalPage - pagesNums + 1;
}
for (let i = 0; i < pagesNums; i++) {
pages.push({
num: offsetPage,
url: pageUrl.replace('${page}', offsetPage),
cur: curPage === offsetPage
});
offsetPage++;
}
if (nextLimit >= 2) {
pages = _.concat(pages, {
num: '...'
}, {
num: totalPage,
url: pageUrl.replace('${page}', totalPage),
});
}
return {tip, prePage, nextPage, pages};
};
module.exports = {
handlePathNavData,
handleSortData,
handleFilterData,
handleOptsData,
handleNextPage,
handlePagerData
};