first commit

apps/sentinel/internal/model/productsmodel.go

@@ -0,0 +1,53 @@
+package model
+
+import (
+	"context"
+	"fmt"
+	"github.com/zeromicro/go-zero/core/stores/cache"
+	"github.com/zeromicro/go-zero/core/stores/sqlx"
+	"github.com/zeromicro/go-zero/core/stringx"
+	"strings"
+)
+
+var _ ProductsModel = (*customProductsModel)(nil)
+var productsRowsWithoutContent = strings.Join(stringx.Remove(productsFieldNames, "`ProductContent`"), ",")
+
+type (
+	// ProductsModel is an interface to be customized, add more methods here,
+	// and implement the added methods in customProductsModel.
+	ProductsModel interface {
+		productsModel
+		FindProductsList(ctx context.Context, page, pageSize int64) ([]*Products, int64, error)
+	}
+
+	customProductsModel struct {
+		*defaultProductsModel
+	}
+)
+
+// NewProductsModel returns a model for the database table.
+func NewProductsModel(conn sqlx.SqlConn, c cache.CacheConf, opts ...cache.Option) ProductsModel {
+	return &customProductsModel{
+		defaultProductsModel: newProductsModel(conn, c, opts...),
+	}
+}
+func (m *defaultProductsModel) FindProductsList(ctx context.Context, page, pageSize int64) ([]*Products, int64, error) {
+	offset := (page - 1) * pageSize
+	var products []*Products
+
+	query := fmt.Sprintf("SELECT %s FROM %s ORDER BY created_at DESC LIMIT ?,?", productsRowsWithoutContent, m.table)
+	err := m.QueryRowsNoCacheCtx(ctx, &products, query, offset, pageSize)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	// 查询总数量
+	var total int64
+	countQuery := fmt.Sprintf("SELECT COUNT(*) FROM %s", m.table)
+	err = m.QueryRowNoCacheCtx(ctx, &total, countQuery)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	return products, total, nil
+}