mirror of
https://gitee.com/dromara/mayfly-go
synced 2025-11-03 16:00:25 +08:00
182 lines
5.3 KiB
Go
182 lines
5.3 KiB
Go
package gormx
|
||
|
||
import (
|
||
"fmt"
|
||
"mayfly-go/pkg/biz"
|
||
"mayfly-go/pkg/global"
|
||
"mayfly-go/pkg/model"
|
||
"strings"
|
||
"time"
|
||
|
||
"gorm.io/gorm"
|
||
)
|
||
|
||
// 伪删除之未删除过滤条件
|
||
func UndeleteScope(db *gorm.DB) *gorm.DB {
|
||
return db.Where(model.DeletedColumn, model.ModelUndeleted)
|
||
}
|
||
|
||
// 根据id获取实体对象。model需为指针类型(需要将查询出来的值赋值给model)
|
||
//
|
||
// 若error不为nil则为不存在该记录
|
||
// @param model 数据库映射实体模型
|
||
func GetById(model any, id uint64, cols ...string) error {
|
||
return NewQuery(model).Eq("id", id).Undeleted().GenGdb().First(model).Error
|
||
}
|
||
|
||
// 根据id列表查询实体信息
|
||
// @param model 数据库映射实体模型
|
||
func GetByIdIn(model any, list any, ids []uint64, orderBy ...string) {
|
||
NewQuery(model).In("id", ids).Undeleted().GenGdb().Find(list)
|
||
}
|
||
|
||
// 获取满足model中不为空的字段值条件的单个对象。model需为指针类型(需要将查询出来的值赋值给model)
|
||
//
|
||
// 若 error不为nil,则为不存在该记录
|
||
// @param model 数据库映射实体模型
|
||
func GetBy(model any, cols ...string) error {
|
||
return global.Db.Debug().Select(cols).Where(model).Scopes(UndeleteScope).First(model).Error
|
||
}
|
||
|
||
// 根据model指定条件统计数量
|
||
func CountBy(model any) int64 {
|
||
var count int64
|
||
NewQuery(model).WithCondModel(model).Undeleted().GenGdb().Count(&count)
|
||
return count
|
||
}
|
||
|
||
// 根据条件model指定条件统计数量
|
||
func CountByCond(model any, condModel any) int64 {
|
||
var count int64
|
||
NewQuery(model).WithCondModel(condModel).Undeleted().GenGdb().Count(&count)
|
||
return count
|
||
}
|
||
|
||
// 根据查询条件分页查询数据
|
||
// 若未指定查询列,则查询列以toModels字段为准
|
||
func PageQuery[T any](q *QueryCond, pageParam *model.PageParam, toModels T) *model.PageResult[T] {
|
||
q.Undeleted()
|
||
gdb := q.GenGdb()
|
||
var count int64
|
||
err := gdb.Count(&count).Error
|
||
biz.ErrIsNilAppendErr(err, "查询错误: %s")
|
||
if count == 0 {
|
||
return model.EmptyPageResult[T]()
|
||
}
|
||
|
||
page := pageParam.PageNum
|
||
pageSize := pageParam.PageSize
|
||
err = gdb.Limit(pageSize).Offset((page - 1) * pageSize).Find(toModels).Error
|
||
biz.ErrIsNilAppendErr(err, "查询失败: %s")
|
||
return &model.PageResult[T]{Total: count, List: toModels}
|
||
}
|
||
|
||
// 获取满足model中不为空的字段值条件的所有数据.
|
||
//
|
||
// @param list为数组类型 如 var users *[]User,可指定为非model结构体,即只包含需要返回的字段结构体
|
||
func ListBy(model any, list any, cols ...string) {
|
||
global.Db.Model(model).Select(cols).Where(model).Scopes(UndeleteScope).Order("id desc").Find(list)
|
||
}
|
||
|
||
// 获取满足model中不为空的字段值条件的所有数据.
|
||
//
|
||
// @param list为数组类型 如 var users *[]User,可指定为非model结构体
|
||
// @param model 数据库映射实体模型
|
||
func ListByOrder(model any, list any, order ...string) {
|
||
var orderByStr string
|
||
if order == nil {
|
||
orderByStr = "id desc"
|
||
} else {
|
||
orderByStr = strings.Join(order, ",")
|
||
}
|
||
global.Db.Model(model).Where(model).Scopes(UndeleteScope).Order(orderByStr).Find(list)
|
||
}
|
||
|
||
func GetListBySql2Model(sql string, toEntity any, params ...any) error {
|
||
return global.Db.Raw(sql, params...).Find(toEntity).Error
|
||
}
|
||
|
||
func ExecSql(sql string, params ...any) {
|
||
global.Db.Exec(sql, params...)
|
||
}
|
||
|
||
// 插入model
|
||
// @param model 数据库映射实体模型
|
||
func Insert(model any) error {
|
||
return InsertWithDb(*global.Db, model)
|
||
}
|
||
|
||
// 使用指定gormDb插入model
|
||
func InsertWithDb(db gorm.DB, model any) error {
|
||
return db.Create(model).Error
|
||
}
|
||
|
||
// 批量插入
|
||
func BatchInsert[T any](models []T) {
|
||
global.Db.CreateInBatches(models, len(models))
|
||
}
|
||
|
||
// 根据id更新model,更新字段为model中不为空的值,即int类型不为0,ptr类型不为nil这类字段值
|
||
// @param model 数据库映射实体模型
|
||
func UpdateById(model any) error {
|
||
return UpdateByIdWithDb(global.Db, model)
|
||
}
|
||
|
||
func UpdateByIdWithDb(db *gorm.DB, model any) error {
|
||
return db.Model(model).Updates(model).Error
|
||
}
|
||
|
||
// 根据实体条件,更新参数udpateFields指定字段
|
||
func Updates(condition any, udpateFields map[string]any) error {
|
||
return global.Db.Model(condition).Updates(udpateFields).Error
|
||
}
|
||
|
||
// 根据id删除model
|
||
// @param model 数据库映射实体模型
|
||
func DeleteById(model_ any, id uint64) error {
|
||
return DeleteByIdWithDb(global.Db, model_, id)
|
||
}
|
||
|
||
// 根据id使用指定gromDb删除
|
||
func DeleteByIdWithDb(db *gorm.DB, model_ any, id uint64) error {
|
||
return db.Model(model_).Where("id = ?", id).Updates(getDeleteColumnValue()).Error
|
||
}
|
||
|
||
// 根据条件删除
|
||
// @param model 数据库映射实体模型
|
||
func DeleteByCondition(model_ any) error {
|
||
return DeleteByConditionWithDb(global.Db, model_)
|
||
}
|
||
|
||
// 根据条件使用指定gromDb删除
|
||
// @param model 数据库映射实体模型
|
||
func DeleteByConditionWithDb(db *gorm.DB, model_ any) error {
|
||
return db.Model(model_).Where(model_).Updates(getDeleteColumnValue()).Error
|
||
}
|
||
|
||
func getDeleteColumnValue() map[string]any {
|
||
columnValue := make(map[string]any)
|
||
columnValue[model.DeletedColumn] = model.ModelDeleted
|
||
columnValue[model.DeleteTimeColumn] = time.Now()
|
||
return columnValue
|
||
}
|
||
|
||
func Tx(funcs ...func(db *gorm.DB) error) (err error) {
|
||
tx := global.Db.Begin()
|
||
defer func() {
|
||
if r := recover(); r != nil {
|
||
tx.Rollback()
|
||
err = fmt.Errorf("%v", err)
|
||
}
|
||
}()
|
||
for _, f := range funcs {
|
||
err = f(tx)
|
||
if err != nil {
|
||
tx.Rollback()
|
||
return
|
||
}
|
||
}
|
||
err = tx.Commit().Error
|
||
return
|
||
}
|