53 lines
2.0 KiB
Go
53 lines
2.0 KiB
Go
package gmodel
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import (
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"context"
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"errors"
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"gorm.io/gorm"
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)
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type GetRecommendProductListReq struct {
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Ctx context.Context
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Page int
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Limit int
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Category int64 // 0是全部
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}
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func (r *FsProductRecommendModel) GetRecommendProductList(req GetRecommendProductListReq) (resp []FsProduct, total int64, err error) {
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db := r.db.WithContext(req.Ctx).Select("p.*").
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Table("fs_product_recommend as r").
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Joins("inner join fs_product as p on r.product_id = p.id").
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Where("r.status = ? ", 1).
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Where("p.is_shelf = ? and p.is_del = ? and p.status = ?", 1, 0, 1)
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if req.Category != 0 {
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db = db.Where("r.category = ?", req.Category)
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}
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if err = db.Limit(1).Count(&total).Error; err != nil {
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return nil, 0, err
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}
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offset := (req.Page - 1) * req.Limit
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err = db.Offset(offset).Limit(req.Limit).Find(&resp).Error
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return resp, total, err
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}
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func (r *FsProductRecommendModel) GetIgnoreRandomRecommendProductList(ctx context.Context, limit int, category int64, idNotInt []int64) (resp []FsProduct, err error) {
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err = r.db.WithContext(ctx).Debug().Select("p.*").
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Table("fs_product_recommend as r").
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Joins("inner join fs_product as p on r.product_id = p.id").
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Where("r.product_id not in (?)", idNotInt).
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Where("r.status = ? ", 1).
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Where("p.is_shelf = ? and p.is_del = ? and p.status = ?", 1, 0, 1).
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Where("r.category = ?", category).Order("RAND()").Limit(limit).Find(&resp).Error
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return resp, err
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}
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func (r *FsProductRecommendModel) CreateOrUpdate(ctx context.Context, productId int64, category int64, data *FsProductRecommend) error {
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var info FsProductRecommend
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err := r.db.WithContext(ctx).Model(&FsProductRecommend{}).Where("`product_id` = ? and `category` = ?", productId, category).Take(&info).Error
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if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
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return err
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}
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if info.Id == 0 {
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return r.db.WithContext(ctx).Model(&FsProductRecommend{}).Create(data).Error
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}
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return r.db.WithContext(ctx).Model(&FsProductRecommend{}).Where("`product_id` = ? and `category` = ?", productId, category).Updates(data).Error
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}
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