增加收藏页的添加和删除接口

model/gmodel/fs_product_collection_logic.go

@@ -1,2 +1,37 @@
 package gmodel
-// TODO: 使用model的属性做你想做的
+
+import "context"
+
+// 查询
+func (c *FsProductCollectionModel) FindOne(ctx context.Context, userId, guestId, productId int64) (resp *FsProductCollection, err error) {
+	err = c.db.WithContext(ctx).Model(&FsProductCollection{}).
+		Where("user_id = ? and guest_id = ? and product_id = ?", userId, guestId, productId).
+		Take(&resp).Error
+	return resp, err
+}
+
+// 创建
+func (c *FsProductCollectionModel) Create(ctx context.Context, data *FsProductCollection) error {
+	return c.db.WithContext(ctx).Model(&FsProductCollection{}).Create(&data).Error
+}
+
+// 更新
+func (c *FsProductCollectionModel) Update(ctx context.Context, userId, guestId, productId int64, data *FsProductCollection) error {
+	return c.db.WithContext(ctx).Model(&FsProductCollection{}).
+		Where("user_id = ? and guest_id = ? and product_id = ?", userId, guestId, productId).
+		Updates(&data).Error
+}
+
+// 删除
+func (c *FsProductCollectionModel) Delete(ctx context.Context, userId, guestId, productId int64) error {
+	return c.db.WithContext(ctx).Model(&FsProductCollection{}).
+		Where("user_id = ? and guest_id = ? and product_id = ?", userId, guestId, productId).
+		Delete(&FsProductCollection{}).Error
+}
+
+// 删除
+func (c *FsProductCollectionModel) Delete2(ctx context.Context, userId, guestId, id int64) error {
+	return c.db.WithContext(ctx).Model(&FsProductCollection{}).
+		Where("user_id = ? and guest_id = ? and id = ?", userId, guestId, id).
+		Delete(&FsProductCollection{}).Error
+}