// ==========================================================================
// Code generated and maintained by GoFrame CLI tool. DO NOT EDIT.
// ==========================================================================

package internal

import (
	"context"

	"github.com/gogf/gf/v2/database/gdb"
	"github.com/gogf/gf/v2/frame/g"
)

// LessonSectionDao is the data access object for the table hg_lesson_section.
type LessonSectionDao struct {
	table    string               // table is the underlying table name of the DAO.
	group    string               // group is the database configuration group name of the current DAO.
	columns  LessonSectionColumns // columns contains all the column names of Table for convenient usage.
	handlers []gdb.ModelHandler   // handlers for customized model modification.
}

// LessonSectionColumns defines and stores column names for the table hg_lesson_section.
type LessonSectionColumns struct {
	Id          string // id
	LessonId    string // 课程id
	VideoUrl    string // 视频url
	Name        string // 章节名
	SortOrder   string // 排序号
	ParentId    string // 父章节id
	Level       string // 章节层级;1=章，2=节
	Revision    string // 乐观锁
	CreatedBy   string // 创建人
	CreatedTime string // 创建时间
	UpdatedBy   string // 更新人
	UpdatedTime string // 更新时间
}

// lessonSectionColumns holds the columns for the table hg_lesson_section.
var lessonSectionColumns = LessonSectionColumns{
	Id:          "id",
	LessonId:    "lesson_id",
	VideoUrl:    "video_url",
	Name:        "name",
	SortOrder:   "sort_order",
	ParentId:    "parent_id",
	Level:       "level",
	Revision:    "revision",
	CreatedBy:   "created_by",
	CreatedTime: "created_time",
	UpdatedBy:   "updated_by",
	UpdatedTime: "updated_time",
}

// NewLessonSectionDao creates and returns a new DAO object for table data access.
func NewLessonSectionDao(handlers ...gdb.ModelHandler) *LessonSectionDao {
	return &LessonSectionDao{
		group:    "default",
		table:    "hg_lesson_section",
		columns:  lessonSectionColumns,
		handlers: handlers,
	}
}

// DB retrieves and returns the underlying raw database management object of the current DAO.
func (dao *LessonSectionDao) DB() gdb.DB {
	return g.DB(dao.group)
}

// Table returns the table name of the current DAO.
func (dao *LessonSectionDao) Table() string {
	return dao.table
}

// Columns returns all column names of the current DAO.
func (dao *LessonSectionDao) Columns() LessonSectionColumns {
	return dao.columns
}

// Group returns the database configuration group name of the current DAO.
func (dao *LessonSectionDao) Group() string {
	return dao.group
}

// Ctx creates and returns a Model for the current DAO. It automatically sets the context for the current operation.
func (dao *LessonSectionDao) Ctx(ctx context.Context) *gdb.Model {
	model := dao.DB().Model(dao.table)
	for _, handler := range dao.handlers {
		model = handler(model)
	}
	return model.Safe().Ctx(ctx)
}

// Transaction wraps the transaction logic using function f.
// It rolls back the transaction and returns the error if function f returns a non-nil error.
// It commits the transaction and returns nil if function f returns nil.
//
// Note: Do not commit or roll back the transaction in function f,
// as it is automatically handled by this function.
func (dao *LessonSectionDao) Transaction(ctx context.Context, f func(ctx context.Context, tx gdb.TX) error) (err error) {
	return dao.Ctx(ctx).Transaction(ctx, f)
}
