董海洋
317 lines
8.3 KiB
JavaScript
317 lines
8.3 KiB
JavaScript
const { query } = require('../config/database')
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const { toRelativeUrl, processGoodsImages } = require('../utils/image-url')
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const { paginate } = require('../utils/pagination')
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const path = require('path')
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const fs = require('fs')
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function parseImages(images) {
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if (!images) return []
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try {
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const parsed = typeof images === 'string' ? JSON.parse(images) : images
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return Array.isArray(parsed) ? parsed : []
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} catch { return [] }
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}
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function deleteImageFiles(urls) {
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for (const url of urls) {
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const filePath = path.join(__dirname, '..', 'public', url.replace(/^\//, ''))
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fs.unlink(filePath, () => {})
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}
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}
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async function getGoods(ctx) {
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let sql = 'SELECT * FROM goods WHERE 1=1'
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const params = []
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if (ctx.query.hot === '1') {
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sql += ' AND is_hot = 1'
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}
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if (ctx.query.isNew === '1') {
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sql += ' AND is_new = 1'
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}
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if (ctx.query.category_id) {
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sql += ' AND category_id = ?'
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params.push(parseInt(ctx.query.category_id))
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}
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if (ctx.query.keyword) {
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const kw = String(ctx.query.keyword).trim().slice(0, 50)
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if (kw) {
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const escaped = kw.replace(/[\\%_]/g, c => '\\' + c)
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sql += ' AND name LIKE ?'
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params.push(`%${escaped}%`)
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}
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}
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if (ctx.query.inStock === '1') {
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sql += ' AND stock > 0'
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}
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const sortField = ctx.query.sortBy || 'id'
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const sortOrder = ctx.query.sortOrder === 'asc' ? 'ASC' : 'DESC'
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const validSortFields = ['id', 'price', 'sales', 'stock', 'created_at']
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if (validSortFields.includes(sortField)) {
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sql += ` ORDER BY ${sortField} ${sortOrder}`
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} else {
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sql += ' ORDER BY id DESC'
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}
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if (ctx.query.limit && !ctx.query.page) {
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const limit = Math.min(10000, Math.max(1, parseInt(ctx.query.limit) || 20))
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sql += ' LIMIT ?'
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params.push(limit)
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const goods = await query(sql, params)
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ctx.body = { code: 200, data: processGoodsImages(goods) }
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return
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}
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const result = await paginate(query, sql, params, ctx.query.page, ctx.query.pageSize)
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if (result.data) result.data = processGoodsImages(result.data)
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ctx.body = {
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code: 200,
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...result
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}
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}
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async function getGoodsById(ctx) {
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const goodsId = parseInt(ctx.params.id)
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const goods = await query('SELECT * FROM goods WHERE id = ?', [goodsId])
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if (goods.length > 0) {
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ctx.body = {
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code: 200,
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data: processGoodsImages(goods)[0]
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}
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} else {
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ctx.body = {
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code: 404,
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message: '商品不存在'
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}
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}
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}
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async function createGoods(ctx) {
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const { name, price, unit, categoryId, images, stock, pricingType, isHot, isNew, remark, goodsNo, barcode } = ctx.request.body
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if (!name || !price || !unit) {
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ctx.body = {
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code: 400,
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message: '缺少必填字段'
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}
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return
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}
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if (stock !== undefined && stock !== 0) {
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ctx.body = {
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code: 400,
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message: '新建商品请保持库存为 0，通过「入库/采购」或「库存调整」接口补充'
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}
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return
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}
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// 将图片URL转换为相对路径存储
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const relativeImages = (images || []).map(img => toRelativeUrl(img))
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const sql = `INSERT INTO goods
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(name, price, cost_price, unit, category_id, images, stock, pricing_type, is_hot, is_new, remark, goods_no, barcode)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`
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const params = [
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name,
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parseFloat(price),
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parseFloat(ctx.request.body.costPrice || 0),
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unit,
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categoryId || null,
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JSON.stringify(relativeImages),
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parseInt(stock) || 0,
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parseInt(pricingType) || 1,
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parseInt(isHot) || 0,
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parseInt(isNew) || 0,
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remark || '',
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goodsNo || '',
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barcode || ''
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]
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try {
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const result = await query(sql, params)
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ctx.body = {
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code: 200,
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message: '添加成功',
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data: { id: result.insertId }
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}
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} catch (error) {
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console.error('添加商品失败:', error)
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ctx.body = {
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code: 500,
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message: '添加失败'
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}
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}
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}
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const GOODS_UPDATEABLE_FIELDS = [
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'name', 'price', 'originalPrice', 'unit', 'categoryId',
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'images', 'pricingType', 'isHot', 'isNew', 'description', 'goodsNo', 'barcode', 'remark'
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]
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async function updateGoods(ctx) {
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const goodsId = parseInt(ctx.params.id)
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const body = ctx.request.body
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if ('stock' in body) {
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ctx.body = { code: 400, message: '请通过「库存调整」接口修改库存，不能直接编辑' }
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return
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}
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const filtered = {}
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for (const key of GOODS_UPDATEABLE_FIELDS) {
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if (key in body) {
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filtered[key] = body[key]
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}
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}
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const { name, price, unit, pricingType, isHot, isNew, description } = filtered
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if (!name || !price || !unit) {
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ctx.body = {
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code: 400,
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message: '缺少必填字段'
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}
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return
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}
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const setFields = []
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const params = []
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setFields.push('name = ?', 'price = ?', 'original_price = ?', 'unit = ?')
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params.push(name, parseFloat(price), parseFloat(filtered.originalPrice || 0), unit)
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setFields.push('category_id = ?')
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params.push(filtered.categoryId || null)
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if (filtered.images !== undefined) {
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const relativeImages = (filtered.images || []).map(img => toRelativeUrl(img))
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setFields.push('images = ?')
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params.push(JSON.stringify(relativeImages))
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const existing = await query('SELECT images FROM goods WHERE id = ?', [goodsId])
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if (existing.length > 0) {
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const oldImages = parseImages(existing[0].images)
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const oldFiles = oldImages.filter(u => u.startsWith('/uploads/') && !relativeImages.includes(u))
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deleteImageFiles(oldFiles)
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}
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}
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if (filtered.goodsNo !== undefined) {
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setFields.push('goods_no = ?')
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params.push(filtered.goodsNo || '')
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}
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if (filtered.barcode !== undefined) {
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setFields.push('barcode = ?')
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params.push(filtered.barcode || '')
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}
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if (filtered.remark !== undefined) {
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setFields.push('remark = ?')
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params.push(filtered.remark || '')
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}
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setFields.push('pricing_type = ?', 'is_hot = ?', 'is_new = ?', 'description = ?')
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params.push(parseInt(pricingType) || 1, parseInt(isHot) || 0, parseInt(isNew) || 0, description || '')
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params.push(goodsId)
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try {
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const result = await query(`UPDATE goods SET ${setFields.join(', ')} WHERE id = ?`, params)
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if (result.affectedRows > 0) {
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ctx.body = { code: 200, message: '更新成功' }
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} else {
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ctx.body = { code: 404, message: '商品不存在' }
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}
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} catch (error) {
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console.error('更新商品失败:', error)
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ctx.body = { code: 500, message: '更新失败' }
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}
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}
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async function deleteGoods(ctx) {
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const goodsId = parseInt(ctx.params.id)
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try {
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const existing = await query('SELECT images FROM goods WHERE id = ?', [goodsId])
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const result = await query('DELETE FROM goods WHERE id = ?', [goodsId])
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if (result.affectedRows > 0) {
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if (existing.length > 0) {
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const oldImages = parseImages(existing[0].images)
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deleteImageFiles(oldImages.filter(u => u.startsWith('/uploads/')))
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}
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ctx.body = {
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code: 200,
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message: '删除成功'
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}
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} else {
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ctx.body = {
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code: 404,
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message: '商品不存在'
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}
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}
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} catch (error) {
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console.error('删除商品失败:', error)
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ctx.body = {
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code: 500,
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message: '删除失败'
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}
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}
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}
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// 批量更新商品
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async function batchUpdate(ctx) {
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const { ids, isOnSale } = ctx.request.body
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if (!Array.isArray(ids) || ids.length === 0) {
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ctx.body = { code: 400, message: '请选择要操作的商品' }
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return
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}
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// 允许批量更新的字段
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const setFields = []
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const params = []
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if (isOnSale !== undefined) {
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setFields.push('is_on_sale = ?')
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params.push(parseInt(isOnSale))
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}
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if (setFields.length === 0) {
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ctx.body = { code: 400, message: '缺少更新字段' }
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return
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}
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// 构建 IN 占位符
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const placeholders = ids.map(() => '?').join(', ')
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params.push(...ids)
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try {
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const sql = `UPDATE goods SET ${setFields.join(', ')} WHERE id IN (${placeholders})`
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const result = await query(sql, params)
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ctx.body = {
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code: 200,
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message: `成功更新${result.affectedRows}个商品`,
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data: { affectedRows: result.affectedRows }
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}
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} catch (error) {
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console.error('批量更新商品失败:', error)
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ctx.body = { code: 500, message: '批量更新失败' }
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}
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}
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module.exports = {
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getGoods,
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getGoodsById,
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createGoods,
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updateGoods,
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deleteGoods,
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batchUpdate
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} |