最低价格

src/main/java/com/izouma/nineth/service/CollectionService.java

@@ -1,5 +1,6 @@
 package com.izouma.nineth.service;
 
+import cn.hutool.core.convert.Convert;
 import com.izouma.nineth.TokenHistory;
 import com.izouma.nineth.annotations.Debounce;
 import com.izouma.nineth.config.GeneralProperties;
@@ -82,12 +83,27 @@ public class CollectionService {
 
     @Cacheable(value = "collectionList", key = "#pageQuery.hashCode()")
     public PageWrapper<Collection> all(PageQuery pageQuery) {
-        pageQuery.getQuery().put("del", false);
+        Map<String, Object> query = pageQuery.getQuery();
+
+        query.put("del", false);
 //        String type = MapUtils.getString(pageQuery.getQuery(), "type", "DEFAULT");
 //        pageQuery.getQuery().remove("type");
 
         Specification<Collection> specification = JpaUtils.toSpecification(pageQuery, Collection.class);
         PageRequest pageRequest = JpaUtils.toPageRequest(pageQuery);
+
+        //筛选最低价格
+        if (query.containsKey("minPrice")) {
+            BigDecimal minPrice = Convert.toBigDecimal(query.get("minPrice"));
+            query.remove("minPrice");
+            if (minPrice.compareTo(BigDecimal.ZERO) > 0) {
+                specification = specification.and((Specification<Collection>) (root, criteriaQuery, criteriaBuilder) -> {
+                    List<Predicate> and = new ArrayList<>();
+                    and.add(criteriaBuilder.greaterThanOrEqualTo(root.get("price"), minPrice));
+                    return criteriaBuilder.and(and.toArray(new Predicate[0]));
+                });
+            }
+        }
 //        if (pageRequest.getSort().stream().noneMatch(order -> order.getProperty().equals("createdAt"))) {
 //            pageRequest = PageRequest.of(pageRequest.getPageNumber(), pageQuery.getSize(),
 //                    pageRequest.getSort().and(Sort.by("createdAt").descending()));