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