mindoc/models/book.go

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package models
import (
"time"
"github.com/astaxie/beego/orm"
"github.com/lifei6671/godoc/conf"
"github.com/astaxie/beego/logs"
"strings"
"github.com/astaxie/beego"
)
// Book struct .
type Book struct {
BookId int `orm:"pk;auto;unique;column(book_id)" json:"book_id"`
// BookName 项目名称.
BookName string `orm:"column(book_name);size(500)" json:"book_name"`
// Identify 项目唯一标识.
Identify string `orm:"column(identify);size(100);unique" json:"identify"`
OrderIndex int `orm:"column(order_index);type(int);default(0)" json:"order_index"`
// Description 项目描述.
Description string `orm:"column(description);size(2000)" json:"description"`
Label string `orm:"column(label);size(500)" json:"label"`
// PrivatelyOwned 项目私有: 0 公开/ 1 私有
PrivatelyOwned int `orm:"column(privately_owned);type(int);default(0)" json:"privately_owned"`
// 当项目是私有时的访问Token.
PrivateToken string `orm:"column(private_token);size(500);null" json:"private_token"`
//状态0 正常/1 已删除
Status int `orm:"column(status);type(int);default(0)" json:"status"`
//默认的编辑器.
Editor string `orm:"column(editor);size(50)" json:"editor"`
// DocCount 包含文档数量.
DocCount int `orm:"column(doc_count);type(int)" json:"doc_count"`
// CommentStatus 评论设置的状态:open 为允许所有人评论closed 为不允许评论, group_only 仅允许参与者评论 ,registered_only 仅允许注册者评论.
CommentStatus string `orm:"column(comment_status);size(20);default(open)" json:"comment_status"`
CommentCount int `orm:"column(comment_count);type(int)" json:"comment_count"`
//封面地址
Cover string `orm:"column(cover);size(1000)" json:"cover"`
//主题风格
Theme string `orm:"columen(theme);size(255);default(default)" json:"theme"`
// CreateTime 创建时间 .
CreateTime time.Time `orm:"type(datetime);column(create_time);auto_now_add" json:"create_time"`
MemberId int `orm:"column(member_id);size(100)" json:"member_id"`
ModifyTime time.Time `orm:"type(datetime);column(modify_time);null;auto_now" json:"modify_time"`
Version int64 `orm:"type(bigint);column(version)" json:"version"`
}
// TableName 获取对应数据库表名.
func (m *Book) TableName() string {
return "books"
}
// TableEngine 获取数据使用的引擎.
func (m *Book) TableEngine() string {
return "INNODB"
}
func (m *Book) TableNameWithPrefix() string {
return conf.GetDatabasePrefix() + m.TableName()
}
func NewBook() *Book {
return &Book{}
}
func (m *Book) Insert() error {
o := orm.NewOrm()
o.Begin()
_,err := o.Insert(m)
if err == nil {
relationship := NewRelationship()
relationship.BookId = m.BookId
relationship.RoleId = 0
relationship.MemberId = m.MemberId
err = relationship.Insert()
if err != nil {
logs.Error("插入项目与用户关联 => ",err)
o.Rollback()
return err
}
document := NewDocument()
document.BookId = m.BookId
document.DocumentName = "空白文档"
document.MemberId = m.MemberId
err = document.InsertOrUpdate()
if err != nil{
o.Rollback()
return err
}
o.Commit()
}
o.Rollback()
return err
}
func (m *Book) Find(id int) (*Book,error) {
if id <= 0 {
return m,ErrInvalidParameter
}
o := orm.NewOrm()
err := o.QueryTable(m.TableNameWithPrefix()).Filter("book_id",id).One(m)
return m,err
}
func (m *Book) Update(cols... string) error {
o := orm.NewOrm()
_,err := o.Update(m,cols...)
return err
}
//根据指定字段查询结果集.
func (m *Book) FindByField(field string,value interface{}) ([]*Book,error) {
o := orm.NewOrm()
var books []*Book
_,err := o.QueryTable(m.TableNameWithPrefix()).Filter(field,value).All(&books)
return books,err
}
//根据指定字段查询一个结果.
func (m *Book) FindByFieldFirst(field string,value interface{})(*Book,error) {
o := orm.NewOrm()
err := o.QueryTable(m.TableNameWithPrefix()).Filter(field,value).One(m)
return m,err
}
//分页查询指定用户的项目
func (m *Book) FindToPager(pageIndex, pageSize ,memberId int) (books []*BookResult,totalCount int,err error){
relationship := NewRelationship()
o := orm.NewOrm()
qb, _ := orm.NewQueryBuilder("mysql")
qb.Select("COUNT(book.book_id) AS total_count").
From(m.TableNameWithPrefix() + " AS book").
LeftJoin(relationship.TableNameWithPrefix() + " AS rel").
On("book.book_id=rel.book_id").
Where("rel.member_id=?")
err = o.Raw(qb.String(),memberId).QueryRow(&totalCount)
if err != nil {
return
}
offset := (pageIndex - 1) * pageSize
qb2,_ := orm.NewQueryBuilder("mysql")
qb2.Select("book.*,rel.member_id","rel.role_id","m.account as create_name").
From(m.TableNameWithPrefix() + " AS book").
LeftJoin(relationship.TableNameWithPrefix() + " AS rel").
On("book.book_id=rel.book_id").
LeftJoin(NewMember().TableNameWithPrefix() + " AS m").On("rel.member_id=m.member_id AND rel.role_id=0").
Where("rel.member_id=?").
OrderBy("book.order_index DESC ","book.book_id").Desc().
Limit(pageSize).
Offset(offset)
//logs.Info("",qb2.String())
_,err = o.Raw(qb2.String(),memberId).QueryRows(&books)
if err != nil {
logs.Error("分页查询项目列表 => ",err)
return
}
sql := "SELECT m.account,doc.modify_time FROM md_documents AS doc LEFT JOIN md_members AS m ON doc.modify_at=m.member_id WHERE book_id = ? LIMIT 1 ORDER BY doc.modify_time DESC"
if err == nil && len(books) > 0{
for index,book := range books {
var text struct{
Account string
ModifyTime time.Time
}
err1 := o.Raw(sql,book.BookId).QueryRow(&text)
if err1 == nil {
books[index].LastModifyText = text.Account + " 于 " + text.ModifyTime.Format("2006-01-02 15:04:05")
}
if book.RoleId == 0{
book.RoleName = "创始人"
}else if book.RoleId == 1 {
book.RoleName = "管理员"
}else if book.RoleId == 2 {
book.RoleName = "编辑者"
}else if book.RoleId == 3 {
book.RoleName = "观察者"
}
}
}
return
}
// 彻底删除项目.
func (m *Book) ThoroughDeleteBook(id int) error {
if id <= 0{
return ErrInvalidParameter
}
o := orm.NewOrm()
m.BookId = id
if err := o.Read(m); err != nil {
return err
}
o.Begin()
sql1 := "DELETE FROM " + NewComment().TableNameWithPrefix() + " WHERE book_id = ?"
_,err := o.Raw(sql1,m.BookId).Exec()
if err != nil {
o.Rollback()
return err
}
sql2 := "DELETE FROM " + NewDocument().TableNameWithPrefix() + " WHERE book_id = ?"
_,err = o.Raw(sql2,m.BookId).Exec()
if err != nil {
o.Rollback()
return err
}
sql3 := "DELETE FROM " + m.TableNameWithPrefix() + " WHERE book_id = ?"
_,err = o.Raw(sql3,m.BookId).Exec()
if err != nil {
o.Rollback()
return err
}
sql4 := "DELETE FROM " + NewRelationship().TableNameWithPrefix() + " WHERE book_id = ?"
_,err = o.Raw(sql4,m.BookId).Exec()
if err != nil {
o.Rollback()
return err
}
return o.Commit()
}
func (m *Book) FindForHomeToPager(pageIndex, pageSize ,member_id int) (books []*BookResult,totalCount int,err error) {
o := orm.NewOrm()
offset := (pageIndex - 1) * pageSize
//如果是登录用户
if member_id > 0 {
sql1 := "SELECT COUNT(*) FROM md_books AS book LEFT JOIN md_relationship AS rel ON rel.book_id = book.book_id AND rel.member_id = ? WHERE relationship_id > 0 OR book.privately_owned = 0"
err = o.Raw(sql1,member_id).QueryRow(&totalCount)
if err != nil {
return
}
sql2 := `SELECT book.*,rel1.*,member.account AS create_name FROM md_books AS book
LEFT JOIN md_relationship AS rel ON rel.book_id = book.book_id AND rel.member_id = ?
LEFT JOIN md_relationship AS rel1 ON rel1.book_id = book.book_id AND rel1.role_id = 0
LEFT JOIN md_members AS member ON rel1.member_id = member.member_id
WHERE rel.relationship_id > 0 OR book.privately_owned = 0 ORDER BY order_index DESC ,book.book_id DESC LIMIT ?,?`
_,err = o.Raw(sql2,member_id,offset,pageSize).QueryRows(&books)
return
}else{
count,err1 := o.QueryTable(m.TableNameWithPrefix()).Filter("privately_owned",0).Count()
if err1 != nil {
err = err1
return
}
totalCount = int(count)
sql := `SELECT book.*,rel.*,member.account AS create_name FROM md_books AS book
LEFT JOIN md_relationship AS rel ON rel.book_id = book.book_id AND rel.role_id = 0
LEFT JOIN md_members AS member ON rel.member_id = member.member_id
WHERE book.privately_owned = 0 ORDER BY order_index DESC ,book.book_id DESC LIMIT ?,?`
_,err = o.Raw(sql,offset,pageSize).QueryRows(&books)
return
}
}
func (book *Book) ToBookResult() *BookResult {
m := NewBookResult()
m.BookId = book.BookId
m.BookName = book.BookName
m.Identify = book.Identify
m.OrderIndex = book.OrderIndex
m.Description = strings.Replace(book.Description, "\r\n", "<br/>", -1)
m.PrivatelyOwned = book.PrivatelyOwned
m.PrivateToken = book.PrivateToken
m.DocCount = book.DocCount
m.CommentStatus = book.CommentStatus
m.CommentCount = book.CommentCount
m.CreateTime = book.CreateTime
m.ModifyTime = book.ModifyTime
m.Cover = book.Cover
m.Label = book.Label
m.Status = book.Status
m.Editor = book.Editor
m.Theme = book.Theme
if book.Theme == ""{
m.Theme = "default"
}
if book.Editor == "" {
m.Editor = "markdown"
}
return m
}
//重置文档数量
func (m *Book) ResetDocumentNumber(book_id int) {
o := orm.NewOrm()
totalCount,err := o.QueryTable(NewDocument().TableNameWithPrefix()).Filter("book_id",book_id).Count()
if err == nil {
o.Raw("UPDATE md_books SET doc_count = ? WHERE book_id = ?",int(totalCount),book_id).Exec()
}else{
beego.Error(err)
}
}