董海洋
144 lines
3.7 KiB
JavaScript
144 lines
3.7 KiB
JavaScript
const { query } = require('../config/database')
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async function getPointsGoods(ctx) {
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let sql = 'SELECT * FROM points_goods WHERE 1=1'
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const params = []
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if (ctx.query.visible === '1') {
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sql += ' AND is_show = 1'
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}
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sql += ' ORDER BY points ASC'
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const goods = await query(sql, params)
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ctx.body = {
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code: 200,
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data: goods
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}
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}
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async function getPointsGoodsById(ctx) {
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const id = parseInt(ctx.params.id)
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const goods = await query('SELECT * FROM points_goods WHERE id = ?', [id])
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if (goods.length > 0) {
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ctx.body = { code: 200, data: goods[0] }
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} else {
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ctx.body = { code: 404, message: '积分商品不存在' }
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}
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}
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async function createPointsGoods(ctx) {
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const { name, points, stock, image, description } = ctx.request.body
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if (!name || points === undefined) {
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ctx.body = { code: 400, message: '请填写商品名称和所需积分' }
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return
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}
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const result = await query(
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'INSERT INTO points_goods (name, points, stock, image, description) VALUES (?, ?, ?, ?, ?)',
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[name, parseInt(points) || 0, parseInt(stock) || 0, image || '', description || '']
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)
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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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}
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async function updatePointsGoods(ctx) {
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const id = parseInt(ctx.params.id)
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const { name, points, stock, image, description } = ctx.request.body
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if (!name || points === undefined) {
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ctx.body = { code: 400, message: '请填写商品名称和所需积分' }
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return
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}
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const result = await query(
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'UPDATE points_goods SET name = ?, points = ?, stock = ?, image = ?, description = ? WHERE id = ?',
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[name, parseInt(points) || 0, parseInt(stock) || 0, image || '', description || '', id]
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)
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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: '积分商品不存在' }
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}
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}
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async function deletePointsGoods(ctx) {
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const id = parseInt(ctx.params.id)
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const result = await query('DELETE FROM points_goods WHERE id = ?', [id])
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if (result.affectedRows > 0) {
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ctx.body = { code: 200, message: '删除成功' }
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} else {
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ctx.body = { code: 404, message: '积分商品不存在' }
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}
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}
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async function exchangePointsGoods(ctx) {
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const { userId, goodsId, quantity } = ctx.request.body
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if (!userId || !goodsId) {
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ctx.body = { code: 400, message: '参数不完整' }
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return
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}
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const qty = quantity || 1
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const users = await query('SELECT * FROM users WHERE id = ? AND status = 1', [userId])
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if (users.length === 0) {
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ctx.body = { code: 404, message: '用户不存在' }
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return
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}
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const user = users[0]
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const goods = await query('SELECT * FROM points_goods WHERE id = ? AND is_show = 1', [goodsId])
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if (goods.length === 0) {
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ctx.body = { code: 404, message: '积分商品不存在' }
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return
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}
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const goodsItem = goods[0]
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if (goodsItem.stock < qty) {
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ctx.body = { code: 400, message: '库存不足' }
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return
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}
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const totalPoints = goodsItem.points * qty
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if (user.points < totalPoints) {
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ctx.body = { code: 400, message: '积分不足' }
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return
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}
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const newPoints = user.points - totalPoints
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await query('UPDATE users SET points = ? WHERE id = ?', [newPoints, userId])
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await query('UPDATE points_goods SET stock = stock - ? WHERE id = ?', [qty, goodsId])
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await query(
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'INSERT INTO points_logs (user_id, type, amount, description) VALUES (?, ?, ?, ?)',
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[userId, 'spend', totalPoints, `兑换「${goodsItem.name}」x${qty}`]
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)
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ctx.body = {
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code: 200,
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message: '兑换成功',
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data: {
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remainingPoints: newPoints
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}
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}
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}
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module.exports = {
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getPointsGoods,
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getPointsGoodsById,
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createPointsGoods,
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updatePointsGoods,
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deletePointsGoods,
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exchangePointsGoods
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}
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