package models

import (
	"fmt"
	"github.com/astaxie/beego/orm"
)

type Project struct {
	Id               int    `orm:"column(id);auto" description:"编号"`
	ProjectName      string `orm:"column(project_name);size(255);null" description:"项目名称  能力展示"`
	ProjectSlaveKey  string `orm:"column(project_slave_key);size(255);null" description:"项目从键   ability"`
	ProjectMasterKey string `orm:"column(project_master_key);size(50);null" description:"主项目主键编码  ability"`
}

func (t *Project) TableName() string {
	return "project"
}

func init() {
	orm.RegisterModel(new(Project))
}

// AddProject insert a new Project into database and returns
// last inserted Id on success.
func AddProject(m *Project) (id int64, err error) {
	o := orm.NewOrm()
	id, err = o.Insert(m)
	return
}

// GetProjectById retrieves Project by Id. Returns error if
// Id doesn't exist
func GetProjectById(id int) (v *Project, err error) {
	o := orm.NewOrm()
	v = &Project{Id: id}
	if err = o.Read(v); err == nil {
		return v, nil
	}
	return nil, err
}

// UpdateProject updates Project by Id and returns error if
// the record to be updated doesn't exist
func UpdateProjectById(m *Project) (err error) {
	o := orm.NewOrm()
	v := Project{Id: m.Id}
	// ascertain id exists in the database
	if err = o.Read(&v); err == nil {
		var num int64
		if num, err = o.Update(m); err == nil {
			fmt.Println("Number of records updated in database:", num)
		}
	}
	return
}

// DeleteProject deletes Project by Id and returns error if
// the record to be deleted doesn't exist
func DeleteProject(id int) (err error) {
	o := orm.NewOrm()
	v := Project{Id: id}
	// ascertain id exists in the database
	if err = o.Read(&v); err == nil {
		var num int64
		if num, err = o.Delete(&Project{Id: id}); err == nil {
			fmt.Println("Number of records deleted in database:", num)
		}
	}
	return
}