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更新推荐商品逻辑

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dzl
2025-10-14 09:17:47 +08:00
parent b512c6479d
commit 486d3179d3
1 changed files with 18 additions and 35 deletions
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53
routes/products.js
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@@ -965,6 +965,7 @@ router.get('/:id/recommended', async (req, res) => {
categoryIds.push(...secondCategoryIds.map(item => item.id)); categoryIds.push(...secondCategoryIds.map(item => item.id));
let recommendedProducts = []; let recommendedProducts = [];
let filteredRecommendProductIds = [];
// 如果有分类ID，先获取同类商品 // 如果有分类ID，先获取同类商品
if (categoryIds.length > 0) { if (categoryIds.length > 0) {
@@ -974,8 +975,7 @@ router.get('/:id/recommended', async (req, res) => {
const [recommendProductIds] = await getDB().execute(recommendId, categoryIds); const [recommendProductIds] = await getDB().execute(recommendId, categoryIds);
console.log(1234, recommendProductIds); console.log(1234, recommendProductIds);
const filteredRecommendProductIds = [...new Set(recommendProductIds.map(item => item.product_id))]; filteredRecommendProductIds = [...new Set(recommendProductIds.map(item => item.product_id))];
console.log(12345, filteredRecommendProductIds);
// 获取同类别的其他商品作为推荐 // 获取同类别的其他商品作为推荐
if (filteredRecommendProductIds.length > 0) { if (filteredRecommendProductIds.length > 0) {
@@ -991,40 +991,23 @@ router.get('/:id/recommended', async (req, res) => {
} }
} }
// 如果同类别商品不足，补充其他热门商品
// if (recommendedProducts.length < 6) {
// const remainingCount = 6 - recommendedProducts.length;
// const additionalQuery = `
// SELECT id, name, price, points_price as points,
// stock, image_url as image, description
// FROM products
// WHERE id NOT IN (${filteredRecommendProductIds.map(() => '?').join(',')})
// ORDER BY RAND()
// LIMIT ?
// `;
// }
// 如果同类别商品不足，补充其他热门商品 // 如果同类别商品不足，补充其他热门商品
// if (recommendedProducts.length < 6) { if (recommendedProducts.length < 6) {
// const remainingCount = 6 - recommendedProducts.length; console.log(123456, filteredRecommendProductIds);
// console.log(11111,typeof remainingCount,remainingCount); // const remainingCount = 6 - recommendedProducts.length;
// if (remainingCount > 0) { const additionalQuery = `
// const additionalQuery = ` SELECT id, name, price, points_price as points,
// SELECT id, name, price, points_price as points, stock, image_url as image, description
// stock, image_url as image, description FROM products
// FROM products WHERE id != 3
// WHERE id != ? ORDER BY RAND()
// ORDER BY RAND() LIMIT ${6 - recommendedProducts.length}
// LIMIT ? `;
// `; const [additionalProducts] = await getDB().execute(
additionalQuery,
// const [additionalProducts] = await getDB().execute( );
// additionalQuery, recommendedProducts.push(...additionalProducts);
// [id, remainingCount] // 现在有两个占位符：id 和 limit }
// );
// recommendedProducts.push(...additionalProducts);
// }
// }
res.json({ res.json({
success: true, success: true,