fusenapi/model/gmodel/fs_user_material_logic.go

package gmodel

import (
	"context"
	"fusenapi/utils/handlers"
	"reflect"

	"gorm.io/gorm"
)

// TODO: 使用model的属性做你想做的

func (p *FsUserMaterialModel) CreateOrUpdate(ctx context.Context, req *FsUserMaterial) (resp *FsUserMaterial, err error) {
	rowBuilder := p.db.Table(p.name).WithContext(ctx)
	if req.Id > 0 {
		err = rowBuilder.Save(req).Error
	} else {
		err = rowBuilder.Create(req).Error
	}
	return req, err
}

func (m *FsUserMaterialModel) FindAll(ctx context.Context, rowBuilder *gorm.DB, filterMap map[string]string, orderBy string) ([]*FsUserMaterial, error) {
	var resp []*FsUserMaterial
	// 过滤
	if filterMap != nil {
		rowBuilder = rowBuilder.Scopes(handlers.FilterData(filterMap))
	}

	// 排序
	if orderBy != "" {
		var fieldsMap = make(map[string]struct{})
		s := reflect.TypeOf(&FsUserMaterial{}).Elem() //通过反射获取type定义
		for i := 0; i < s.NumField(); i++ {
			fieldsMap[s.Field(i).Tag.Get("json")] = struct{}{}
		}
		rowBuilder = rowBuilder.Scopes(handlers.OrderCheck(orderBy, fieldsMap))
	}

	result := rowBuilder.WithContext(ctx).Find(&resp)
	if result.Error != nil {
		return nil, result.Error
	} else {
		return resp, nil
	}
}

func (m *FsUserMaterialModel) RowSelectBuilder(selectData []string) *gorm.DB {
	var rowBuilder = m.db.Table(m.name)

	if selectData != nil {
		rowBuilder = rowBuilder.Select(selectData)
	} else {
		rowBuilder = rowBuilder.Select("*")
	}
	return rowBuilder
}

// 获取最新记录
func (m *FsUserMaterialModel) FindLatestOne(ctx context.Context, userId int64, guestId int64) (resp FsUserMaterial, err error) {
	if userId == 0 && guestId == 0 {
		return FsUserMaterial{}, nil
	}
	db := m.db.WithContext(ctx).Model(&FsUserMaterial{}).Order("id DESC")
	if userId != 0 {
		db = db.Where("`user_id` = ?", userId)
	} else {
		db = db.Where("`guest_id` = ?", guestId)
	}
	err = db.Take(&resp).Error
	return resp, err
}

func (m *FsUserMaterialModel) FindOneById(ctx context.Context, id int64) (resp *FsUserMaterial, err error) {
	err = m.db.WithContext(ctx).Model(&FsUserMaterial{}).Where("id = ?", id).Take(&resp).Error
	return resp, err
}