Ai config

controllers/goods-specs.js

@@ -0,0 +1,83 @@
+const { query, transaction } = require('../config/database')
+
+async function getSpecs(ctx) {
+  const goodsId = ctx.query.goods_id
+  if (!goodsId) {
+    ctx.body = { code: 400, message: '缺少 goods_id 参数' }
+    return
+  }
+
+  const rows = await query('SELECT * FROM goods_specs WHERE goods_id = ? ORDER BY price ASC', [goodsId])
+  ctx.body = { code: 200, data: rows }
+}
+
+async function createSpec(ctx) {
+  const { goods_id, spec_name, price, stock = 0 } = ctx.request.body
+
+  if (!goods_id || !spec_name || price === undefined) {
+    ctx.body = { code: 400, message: '缺少必填参数' }
+    return
+  }
+
+  const result = await query(
+    'INSERT INTO goods_specs (goods_id, spec_name, price, stock) VALUES (?, ?, ?, ?)',
+    [goods_id, spec_name, price, stock]
+  )
+
+  ctx.body = { code: 200, data: { id: result.insertId } }
+}
+
+async function updateSpec(ctx) {
+  const id = ctx.params.id
+  const { spec_name, price, stock } = ctx.request.body
+
+  const fields = []
+  const params = []
+  if (spec_name !== undefined) { fields.push('spec_name = ?'); params.push(spec_name) }
+  if (price !== undefined) { fields.push('price = ?'); params.push(price) }
+  if (stock !== undefined) { fields.push('stock = ?'); params.push(stock) }
+
+  if (fields.length > 0) {
+    params.push(id)
+    await query(`UPDATE goods_specs SET ${fields.join(', ')} WHERE id = ?`, params)
+  }
+
+  ctx.body = { code: 200, message: '更新成功' }
+}
+
+async function deleteSpec(ctx) {
+  const id = ctx.params.id
+  await query('DELETE FROM goods_specs WHERE id = ?', [id])
+  ctx.body = { code: 200, message: '删除成功' }
+}
+
+async function batchSave(ctx) {
+  const { goods_id, specs } = ctx.request.body
+
+  if (!goods_id || !Array.isArray(specs)) {
+    ctx.body = { code: 400, message: '参数错误' }
+    return
+  }
+
+  await transaction(async (conn) => {
+    await conn.execute('DELETE FROM goods_specs WHERE goods_id = ?', [goods_id])
+    for (const spec of specs) {
+      if (spec.spec_name && spec.price !== undefined) {
+        await conn.execute(
+          'INSERT INTO goods_specs (goods_id, spec_name, price, stock) VALUES (?, ?, ?, ?)',
+          [goods_id, spec.spec_name, spec.price, spec.stock || 0]
+        )
+      }
+    }
+  })
+
+  ctx.body = { code: 200, message: '保存成功' }
+}
+
+module.exports = {
+  getSpecs,
+  createSpec,
+  updateSpec,
+  deleteSpec,
+  batchSave
+}