mindoc/models/book.go

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package models
import (
"time"
"fmt"
"github.com/astaxie/beego"
"github.com/astaxie/beego/logs"
"github.com/astaxie/beego/orm"
"github.com/lifei6671/mindoc/conf"
"os"
"path/filepath"
"strconv"
)
// 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"`
//是否是自动发布 0 否/1 是
AutoRelease int `orm:"column(auto_release);type(int);default(0)" json:"auto_release"`
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"`
//发行公司
Publisher string `orm:"column(publisher);size(500)" json:"publisher"`
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:"column(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"`
//每个文档保存的历史记录数量0 为不限制
HistoryCount int `orm:"column(history_count);type(int);default(0)" json:"history_count"`
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 {
if m.Label != "" {
NewLabel().InsertOrUpdateMulti(m.Label)
}
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()
return nil
}
//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()
temp := NewBook()
temp.BookId = m.BookId
if err := o.Read(temp); err != nil {
return err
}
if (m.Label + temp.Label) != "" {
go NewLabel().InsertOrUpdateMulti(m.Label + "," + temp.Label)
}
_, 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
}
func (m *Book) FindByIdentify(identify string) (*Book, error) {
o := orm.NewOrm()
err := o.QueryTable(m.TableNameWithPrefix()).Filter("identify", identify).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()
sql1 := "SELECT COUNT(book.book_id) AS total_count FROM " + m.TableNameWithPrefix() + " AS book LEFT JOIN " +
relationship.TableNameWithPrefix() + " AS rel ON book.book_id=rel.book_id AND rel.member_id = ? WHERE rel.relationship_id > 0 "
err = o.Raw(sql1, memberId).QueryRow(&totalCount)
if err != nil {
return
}
offset := (pageIndex - 1) * pageSize
sql2 := "SELECT book.*,rel.member_id,rel.role_id,m.account as create_name FROM " + m.TableNameWithPrefix() + " AS book" +
" LEFT JOIN " + relationship.TableNameWithPrefix() + " AS rel ON book.book_id=rel.book_id AND rel.member_id = ?" +
" LEFT JOIN " + relationship.TableNameWithPrefix() + " AS rel1 ON book.book_id=rel1.book_id AND rel1.role_id=0" +
" LEFT JOIN " + NewMember().TableNameWithPrefix() + " AS m ON rel1.member_id=m.member_id " +
" WHERE rel.relationship_id > 0 ORDER BY book.order_index DESC,book.book_id DESC LIMIT " + fmt.Sprintf("%d,%d", offset, pageSize)
_, err = o.Raw(sql2, 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()
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
}
if m.Label != "" {
NewLabel().InsertOrUpdateMulti(m.Label)
}
os.RemoveAll(filepath.Join(conf.WorkingDirectory,"uploads","books",strconv.Itoa(id)))
return o.Commit()
}
//分页查找系统首页数据.
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,member.real_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)
} 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,member.real_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
}
//分页全局搜索.
func (m *Book) FindForLabelToPager(keyword string, pageIndex, pageSize, member_id int) (books []*BookResult, totalCount int, err error) {
o := orm.NewOrm()
keyword = "%" + keyword + "%"
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) AND book.label LIKE ?"
err = o.Raw(sql1, member_id, keyword).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) AND book.label LIKE ? ORDER BY order_index DESC ,book.book_id DESC LIMIT ?,?`
_, err = o.Raw(sql2, member_id, keyword, offset, pageSize).QueryRows(&books)
return
} else {
count, err1 := o.QueryTable(NewBook().TableNameWithPrefix()).Filter("privately_owned", 0).Filter("label__icontains", keyword).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 AND book.label LIKE ? ORDER BY order_index DESC ,book.book_id DESC LIMIT ?,?`
_, err = o.Raw(sql, keyword, offset, pageSize).QueryRows(&books)
return
}
}
//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)
}
}