package model

import (
	"gorm.io/gorm"
	"hepa-calc-admin-api/global"
	"time"
)

// UserCollection 用户收藏表
type UserCollection struct {
	CollectionId int64 `gorm:"column:collection_id;type:bigint(19);primary_key;comment:主键id" json:"collection_id"`
	UserId       int64 `gorm:"column:user_id;type:bigint(19);comment:用户id" json:"user_id"`
	QuestionId   int64 `gorm:"column:question_id;type:bigint(19);comment:问题id" json:"question_id"`
	Model
	Question *Question `gorm:"foreignKey:QuestionId;references:question_id" json:"question"`
}

func (m *UserCollection) TableName() string {
	return "user_collection"
}

func (m *UserCollection) BeforeCreate(tx *gorm.DB) error {
	if m.CollectionId == 0 {
		m.CollectionId = global.Snowflake.Generate().Int64()
	}

	m.CreatedAt = LocalTime(time.Now())
	tx.Statement.SetColumn("CreatedAt", m.CreatedAt)

	m.UpdatedAt = LocalTime(time.Now())
	tx.Statement.SetColumn("UpdatedAt", m.UpdatedAt)

	return nil
}