package models

import (
	"github.com/lifei6671/godoc/conf"
	"github.com/astaxie/beego/orm"
)

type Relationship struct {
	RelationshipId int	`orm:"pk;auto;unique;column(relationship_id)" json:"relationship_id"`
	MemberId int		`orm:"column(member_id);type(int)" json:"member_id"`
	BookId int		`orm:"column(book_id);type(int)" json:"book_id"`
	// RoleId 角色：0 创始人(创始人不能被移除) / 1 管理员/2 编辑者/3 观察者
	RoleId int		`orm:"column(role_id);type(int)" json:"role_id"`
}


// TableName 获取对应数据库表名.
func (m *Relationship) TableName() string {
	return "relationship"
}
func (m *Relationship) TableNameWithPrefix() string {
	return conf.GetDatabasePrefix() + m.TableName()
}

// TableEngine 获取数据使用的引擎.
func (m *Relationship) TableEngine() string {
	return "INNODB"
}

// 联合唯一键
func (u *Relationship) TableUnique() [][]string {
	return [][]string{
		[]string{"MemberId", "BookId"},
	}
}

func NewRelationship() *Relationship {
	return &Relationship{}
}

func (m *Relationship) FindForRoleId(book_id ,member_id int) (int,error) {
	o := orm.NewOrm()

	relationship := NewRelationship()

	err := o.QueryTable(m.TableNameWithPrefix()).Filter("book_id",book_id).Filter("member_id",member_id).One(relationship)

	if err != nil {
		return 0,err
	}
	return relationship.RoleId,nil
}

func (m *Relationship) Insert() error  {
	o := orm.NewOrm()

	_,err :=  o.Insert(m)

	return err
}

func (m *Relationship) Update() error  {
	o := orm.NewOrm()

	_,err :=  o.Update(m)

	return err
}