case-admin-api/api/dao/CasePlatform.go

package dao

import (
	"case-admin-api/api/model"
	"case-admin-api/api/requests"
	"case-admin-api/global"
	"gorm.io/gorm"
	"gorm.io/gorm/clause"
)

type CasePlatformDao struct {
}

// GetCasePlatformById 获取数据-id
func (r *CasePlatformDao) GetCasePlatformById(casePlatformId int64) (m *model.CasePlatform, err error) {
	err = global.Db.First(&m, casePlatformId).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetCasePlatformPreloadById 获取数据-加载全部关联-id
func (r *CasePlatformDao) GetCasePlatformPreloadById(casePlatformId int64) (m *model.CasePlatform, err error) {
	err = global.Db.Preload(clause.Associations).First(&m, casePlatformId).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// DeleteCasePlatform 删除
func (r *CasePlatformDao) DeleteCasePlatform(tx *gorm.DB, maps interface{}) error {
	err := tx.Where(maps).Delete(&model.CasePlatform{}).Error
	if err != nil {
		return err
	}
	return nil
}

// DeleteCasePlatformById 删除-id
func (r *CasePlatformDao) DeleteCasePlatformById(tx *gorm.DB, casePlatformId int64) error {
	if err := tx.Delete(&model.CasePlatform{}, casePlatformId).Error; err != nil {
		return err
	}
	return nil
}

// EditCasePlatform 修改
func (r *CasePlatformDao) EditCasePlatform(tx *gorm.DB, maps interface{}, data interface{}) error {
	err := tx.Model(&model.CasePlatform{}).Where(maps).Updates(data).Error
	if err != nil {
		return err
	}
	return nil
}

// EditCasePlatformById 修改-id
func (r *CasePlatformDao) EditCasePlatformById(tx *gorm.DB, casePlatformId int64, data interface{}) error {
	err := tx.Model(&model.CasePlatform{}).Where("case_platform_id = ?", casePlatformId).Updates(data).Error
	if err != nil {
		return err
	}
	return nil
}

// GetCasePlatformList 获取列表
func (r *CasePlatformDao) GetCasePlatformList(maps interface{}) (m []*model.CasePlatform, err error) {
	err = global.Db.Where(maps).Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetCasePlatformCount 获取数量
func (r *CasePlatformDao) GetCasePlatformCount(maps interface{}) (total int64, err error) {
	err = global.Db.Model(&model.CasePlatform{}).Where(maps).Count(&total).Error
	if err != nil {
		return 0, err
	}
	return total, nil
}

// GetCasePlatformListRand 获取列表-随机
func (r *CasePlatformDao) GetCasePlatformListRand(maps interface{}, limit int) (m []*model.CasePlatform, err error) {
	err = global.Db.Where(maps).Order("rand()").Limit(limit).Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// AddCasePlatform 新增
func (r *CasePlatformDao) AddCasePlatform(tx *gorm.DB, model *model.CasePlatform) (*model.CasePlatform, error) {
	if err := tx.Create(model).Error; err != nil {
		return nil, err
	}
	return model, nil
}

// GetCasePlatform 获取
func (r *CasePlatformDao) GetCasePlatform(maps interface{}) (m *model.CasePlatform, err error) {
	err = global.Db.Where(maps).First(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// Inc 自增
func (r *CasePlatformDao) Inc(tx *gorm.DB, caseId int64, field string, numeral int) error {
	err := tx.Model(&model.CasePlatform{}).Where("case_platform_id = ?", caseId).UpdateColumn(field, gorm.Expr(field+" + ?", numeral)).Error
	if err != nil {
		return err
	}
	return nil
}

// Dec 自减
func (r *CasePlatformDao) Dec(tx *gorm.DB, caseId int64, field string, numeral int) error {
	err := tx.Model(&model.CasePlatform{}).Where("case_platform_id = ?", caseId).UpdateColumn(field, gorm.Expr(field+" - ?", numeral)).Error
	if err != nil {
		return err
	}
	return nil
}

// GetCasePlatformPageSearch 获取列表-分页
func (r *CasePlatformDao) GetCasePlatformPageSearch(req requests.GetStatsCasePlatformPage, page, pageSize int) (m []*model.CasePlatform, total int64, err error) {
	var totalRecords int64

	// 构建查询条件
	query := global.Db.Model(&model.CasePlatform{})

	// 项目平台
	query = query.Preload("Platform")

	query = query.Where("case_id = ?", req.CaseId)

	// 搜索关键字
	if req.Keyword != "" {
		keyword := "%" + req.Keyword + "%" //

		// 姓名/手机号
		subQuery := global.Db.Model(&model.Platform{}).
			Select("platform_id").
			Where("platform_name LIKE ?", keyword)

		// 执行
		query = query.Where(gorm.Expr("platform_id IN (?)", subQuery))
	}

	// 排序
	query = query.Order("created_at desc")

	// 查询总数量
	if err = query.Count(&totalRecords).Error; err != nil {
		return nil, 0, err
	}

	err = query.Scopes(model.Paginate(page, pageSize)).Find(&m).Error
	if err != nil {
		return nil, 0, err
	}
	return m, totalRecords, nil
}