package learning

import (
	"github.com/flipped-aurora/gin-vue-admin/server/global"
)

// Chapter 章节模型
type Chapter struct {
	global.GVA_MODEL
	CourseId    uint   `json:"courseId" form:"courseId" gorm:"column:course_id;comment:关联课程ID;not null;" binding:"required"`
	Title       string `json:"title" form:"title" gorm:"column:title;comment:章节标题;size:255;not null;" binding:"required"`
	Description string `json:"description" form:"description" gorm:"column:description;comment:章节描述;type:text;"`
	Sort        int    `json:"sort" form:"sort" gorm:"column:sort;comment:排序号;default:0;"`
	Status      string `json:"status" form:"status" gorm:"column:status;comment:章节状态;size:50;default:draft;"`
	Duration    int    `json:"duration" form:"duration" gorm:"column:duration;comment:预计学习时长(分钟);default:0;"`

	// 关联关系 - 去掉外键约束，只保留逻辑关联
	Course Course `json:"course" gorm:"-"`
}

// TableName 设置表名
func (Chapter) TableName() string {
	return "learning_chapters"
}