mirror of https://github.com/mindoc-org/mindoc.git
621 lines
20 KiB
Go
621 lines
20 KiB
Go
package models
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import (
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"bytes"
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"io/ioutil"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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"encoding/base64"
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"github.com/PuerkitoBio/goquery"
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"github.com/astaxie/beego"
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"github.com/astaxie/beego/logs"
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"github.com/astaxie/beego/orm"
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"github.com/lifei6671/mindoc/conf"
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"github.com/lifei6671/mindoc/converter"
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"github.com/lifei6671/mindoc/utils/filetil"
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"github.com/lifei6671/mindoc/utils/ziptil"
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"gopkg.in/russross/blackfriday.v2"
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"regexp"
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"github.com/lifei6671/mindoc/utils/cryptil"
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"github.com/lifei6671/mindoc/utils/requests"
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)
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type BookResult struct {
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BookId int `json:"book_id"`
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BookName string `json:"book_name"`
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Identify string `json:"identify"`
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OrderIndex int `json:"order_index"`
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Description string `json:"description"`
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Publisher string `json:"publisher"`
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PrivatelyOwned int `json:"privately_owned"`
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PrivateToken string `json:"private_token"`
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DocCount int `json:"doc_count"`
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CommentStatus string `json:"comment_status"`
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CommentCount int `json:"comment_count"`
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CreateTime time.Time `json:"create_time"`
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CreateName string `json:"create_name"`
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RealName string `json:"real_name"`
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ModifyTime time.Time `json:"modify_time"`
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Cover string `json:"cover"`
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Theme string `json:"theme"`
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Label string `json:"label"`
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MemberId int `json:"member_id"`
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Editor string `json:"editor"`
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AutoRelease bool `json:"auto_release"`
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HistoryCount int `json:"history_count"`
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RelationshipId int `json:"relationship_id"`
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RoleId int `json:"role_id"`
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RoleName string `json:"role_name"`
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Status int `json:"status"`
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IsEnableShare bool `json:"is_enable_share"`
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IsUseFirstDocument bool `json:"is_use_first_document"`
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LastModifyText string `json:"last_modify_text"`
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IsDisplayComment bool `json:"is_display_comment"`
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IsDownload bool `json:"is_download"`
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IsLock bool `json:"is_lock"`
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}
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func NewBookResult() *BookResult {
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return &BookResult{}
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}
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// 根据项目标识查询项目以及指定用户权限的信息.
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func (m *BookResult) FindByIdentify(identify string, memberId int) (*BookResult, error) {
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if identify == "" || memberId <= 0 {
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return m, ErrInvalidParameter
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}
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o := orm.NewOrm()
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book := NewBook()
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err := o.QueryTable(book.TableNameWithPrefix()).Filter("identify", identify).One(book)
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if err != nil {
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return m, err
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}
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relationship := NewRelationship()
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err = o.QueryTable(relationship.TableNameWithPrefix()).Filter("book_id", book.BookId).Filter("member_id", memberId).One(relationship)
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if err != nil {
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return m, err
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}
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var relationship2 Relationship
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err = o.QueryTable(relationship.TableNameWithPrefix()).Filter("book_id", book.BookId).Filter("role_id", 0).One(&relationship2)
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if err != nil {
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logs.Error("根据项目标识查询项目以及指定用户权限的信息 => ", err)
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return m, ErrPermissionDenied
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}
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member, err := NewMember().Find(relationship2.MemberId)
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if err != nil {
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return m, err
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}
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m = NewBookResult().ToBookResult(*book)
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m.CreateName = member.Account
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if member.RealName != "" {
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m.RealName = member.RealName
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}
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m.MemberId = relationship.MemberId
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m.RoleId = relationship.RoleId
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m.RelationshipId = relationship.RelationshipId
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if m.RoleId == conf.BookFounder {
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m.RoleName = "创始人"
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} else if m.RoleId == conf.BookAdmin {
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m.RoleName = "管理员"
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} else if m.RoleId == conf.BookEditor {
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m.RoleName = "编辑者"
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} else if m.RoleId == conf.BookObserver {
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m.RoleName = "观察者"
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}
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doc := NewDocument()
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err = o.QueryTable(doc.TableNameWithPrefix()).Filter("book_id", book.BookId).OrderBy("modify_time").One(doc)
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if err == nil {
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member2 := NewMember()
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member2.Find(doc.ModifyAt)
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m.LastModifyText = member2.Account + " 于 " + doc.ModifyTime.Local().Format("2006-01-02 15:04:05")
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}
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return m, nil
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}
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func (m *BookResult) FindToPager(pageIndex, pageSize int) (books []*BookResult, totalCount int, err error) {
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o := orm.NewOrm()
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count, err := o.QueryTable(NewBook().TableNameWithPrefix()).Count()
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if err != nil {
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return
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}
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totalCount = int(count)
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sql := `SELECT
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book.*,rel.relationship_id,rel.role_id,m.account AS create_name,m.real_name
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FROM md_books AS book
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LEFT JOIN md_relationship AS rel ON rel.book_id = book.book_id AND rel.role_id = 0
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LEFT JOIN md_members AS m ON rel.member_id = m.member_id
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ORDER BY book.order_index DESC ,book.book_id DESC LIMIT ?,?`
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offset := (pageIndex - 1) * pageSize
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_, err = o.Raw(sql, offset, pageSize).QueryRows(&books)
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return
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}
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//实体转换
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func (m *BookResult) ToBookResult(book Book) *BookResult {
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m.BookId = book.BookId
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m.BookName = book.BookName
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m.Identify = book.Identify
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m.OrderIndex = book.OrderIndex
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m.Description = strings.Replace(book.Description, "\r\n", "<br/>", -1)
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m.PrivatelyOwned = book.PrivatelyOwned
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m.PrivateToken = book.PrivateToken
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m.DocCount = book.DocCount
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m.CommentStatus = book.CommentStatus
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m.CommentCount = book.CommentCount
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m.CreateTime = book.CreateTime
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m.ModifyTime = book.ModifyTime
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m.Cover = book.Cover
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m.Label = book.Label
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m.Status = book.Status
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m.Editor = book.Editor
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m.Theme = book.Theme
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m.AutoRelease = book.AutoRelease == 1
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m.IsEnableShare = book.IsEnableShare == 0
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m.Publisher = book.Publisher
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m.HistoryCount = book.HistoryCount
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m.IsDownload = book.IsDownload == 0
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m.IsLock = book.IsLock == 1
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m.IsUseFirstDocument = book.IsUseFirstDocument == 1
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if book.Theme == "" {
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m.Theme = "default"
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}
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if book.Editor == "" {
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m.Editor = "markdown"
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}
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doc := NewDocument()
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o := orm.NewOrm()
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err := o.QueryTable(doc.TableNameWithPrefix()).Filter("book_id", book.BookId).OrderBy("modify_time").One(doc)
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if err == nil {
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member2 := NewMember()
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member2.Find(doc.ModifyAt)
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m.LastModifyText = member2.Account + " 于 " + doc.ModifyTime.Local().Format("2006-01-02 15:04:05")
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}
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return m
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}
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//导出PDF、word等格式
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func (m *BookResult) Converter(sessionId string) (ConvertBookResult, error) {
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convertBookResult := ConvertBookResult{}
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outputPath := filepath.Join(conf.WorkingDirectory, "uploads", "books", strconv.Itoa(m.BookId))
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viewPath := beego.BConfig.WebConfig.ViewsPath
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pdfpath := filepath.Join(outputPath, "book.pdf")
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epubpath := filepath.Join(outputPath, "book.epub")
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mobipath := filepath.Join(outputPath, "book.mobi")
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docxpath := filepath.Join(outputPath, "book.docx")
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//先将转换的文件储存到临时目录
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tempOutputPath := filepath.Join(os.TempDir(), sessionId, m.Identify,"source") //filepath.Abs(filepath.Join("cache", sessionId))
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if err := os.MkdirAll(outputPath, 0766); err != nil {
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beego.Error("创建目录失败 => ",outputPath,err)
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}
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if err := os.MkdirAll(tempOutputPath, 0766);err != nil {
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beego.Error("创建目录失败 => ",tempOutputPath,err)
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}
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defer os.RemoveAll(strings.TrimSuffix(tempOutputPath,"source"))
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if filetil.FileExists(pdfpath) && filetil.FileExists(epubpath) && filetil.FileExists(mobipath) && filetil.FileExists(docxpath) {
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convertBookResult.EpubPath = epubpath
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convertBookResult.MobiPath = mobipath
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convertBookResult.PDFPath = pdfpath
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convertBookResult.WordPath = docxpath
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return convertBookResult, nil
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}
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docs, err := NewDocument().FindListByBookId(m.BookId)
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if err != nil {
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return convertBookResult, err
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}
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tocList := make([]converter.Toc, 0)
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for _, item := range docs {
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if item.ParentId == 0 {
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toc := converter.Toc{
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Id: item.DocumentId,
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Link: strconv.Itoa(item.DocumentId) + ".html",
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Pid: item.ParentId,
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Title: item.DocumentName,
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}
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tocList = append(tocList, toc)
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}
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}
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for _, item := range docs {
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if item.ParentId != 0 {
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toc := converter.Toc{
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Id: item.DocumentId,
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Link: strconv.Itoa(item.DocumentId) + ".html",
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Pid: item.ParentId,
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Title: item.DocumentName,
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}
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tocList = append(tocList, toc)
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}
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}
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ebookConfig := converter.Config{
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Charset: "utf-8",
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Cover: m.Cover,
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Timestamp: time.Now().Format("2006-01-02 15:04:05"),
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Description: string(blackfriday.Run([]byte(m.Description))),
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Footer: "<p style='color:#8E8E8E;font-size:12px;'>本文档使用 <a href='https://www.iminho.me' style='text-decoration:none;color:#1abc9c;font-weight:bold;'>MinDoc</a> 构建 <span style='float:right'>- _PAGENUM_ -</span></p>",
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Header: "<p style='color:#8E8E8E;font-size:12px;'>_SECTION_</p>",
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Identifier: "",
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Language: "zh-CN",
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Creator: m.CreateName,
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Publisher: m.Publisher,
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Contributor: m.Publisher,
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Title: m.BookName,
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Format: []string{"epub", "mobi", "pdf", "docx"},
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FontSize: "14",
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PaperSize: "a4",
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MarginLeft: "72",
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MarginRight: "72",
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MarginTop: "72",
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MarginBottom: "72",
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Toc: tocList,
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More: []string{},
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}
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if m.Publisher != "" {
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ebookConfig.Footer = "<p style='color:#8E8E8E;font-size:12px;'>本文档由 <span style='text-decoration:none;color:#1abc9c;font-weight:bold;'>" + m.Publisher + "</span> 生成<span style='float:right'>- _PAGENUM_ -</span></p>"
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}
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if m.RealName != "" {
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ebookConfig.Creator = m.RealName
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}
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if tempOutputPath, err = filepath.Abs(tempOutputPath); err != nil {
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beego.Error("导出目录配置错误：" + err.Error())
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return convertBookResult, err
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}
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for _, item := range docs {
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name := strconv.Itoa(item.DocumentId)
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fpath := filepath.Join(tempOutputPath, name+".html")
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f, err := os.OpenFile(fpath, os.O_CREATE|os.O_RDWR, 0777)
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if err != nil {
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return convertBookResult, err
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}
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var buf bytes.Buffer
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if err := beego.ExecuteViewPathTemplate(&buf, "document/export.tpl", viewPath, map[string]interface{}{"Model": m, "Lists": item, "BaseUrl": conf.BaseUrl}); err != nil {
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return convertBookResult, err
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}
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html := buf.String()
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if err != nil {
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f.Close()
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return convertBookResult, err
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}
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bufio := bytes.NewReader(buf.Bytes())
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doc, err := goquery.NewDocumentFromReader(bufio)
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doc.Find("img").Each(func(i int, contentSelection *goquery.Selection) {
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if src, ok := contentSelection.Attr("src"); ok && strings.HasPrefix(src, "/") {
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//contentSelection.SetAttr("src", baseUrl + src)
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spath := filepath.Join(conf.WorkingDirectory, src)
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if ff, e := ioutil.ReadFile(spath); e == nil {
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encodeString := base64.StdEncoding.EncodeToString(ff)
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src = "data:image/" + filepath.Ext(src) + ";base64," + encodeString
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contentSelection.SetAttr("src", src)
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}
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}
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})
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html, err = doc.Html()
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if err != nil {
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f.Close()
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return convertBookResult, err
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}
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f.WriteString(html)
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f.Close()
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}
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if err := filetil.CopyFile(filepath.Join(conf.WorkingDirectory, "static", "css", "kancloud.css"), filepath.Join(tempOutputPath, "styles", "css", "kancloud.css")); err != nil {
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beego.Error("复制CSS样式出错 => static/css/kancloud.css",err)
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}
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if err := filetil.CopyFile(filepath.Join(conf.WorkingDirectory, "static", "css", "export.css"), filepath.Join(tempOutputPath, "styles", "css", "export.css"));err != nil {
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beego.Error("复制CSS样式出错 => static/css/export.css",err)
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}
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if err := filetil.CopyFile(filepath.Join(conf.WorkingDirectory, "static", "editor.md", "css", "editormd.preview.css"), filepath.Join(tempOutputPath, "styles", "editor.md", "css", "editormd.preview.css"));err != nil {
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beego.Error("复制CSS样式出错 => static/editor.md/css/editormd.preview.css",err)
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}
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if err := filetil.CopyFile(filepath.Join(conf.WorkingDirectory, "static", "prettify", "themes", "prettify.css"), filepath.Join(tempOutputPath, "styles", "prettify", "themes", "prettify.css")); err != nil {
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beego.Error("复制CSS样式出错 => static/prettify/themes/prettify.css",err)
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}
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if err := filetil.CopyFile(filepath.Join(conf.WorkingDirectory, "static", "css", "markdown.preview.css"), filepath.Join(tempOutputPath, "styles", "css", "markdown.preview.css"));err != nil {
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beego.Error("复制CSS样式出错 => static/css/markdown.preview.css",err)
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}
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if err := filetil.CopyFile(filepath.Join(conf.WorkingDirectory, "static", "highlight", "styles", "vs.css"), filepath.Join(tempOutputPath, "styles", "highlight", "styles", "vs.css")); err != nil {
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beego.Error("复制CSS样式出错 => static/highlight/styles/vs.css",err)
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}
|
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if err := filetil.CopyFile(filepath.Join(conf.WorkingDirectory, "static", "katex", "katex.min.css"), filepath.Join(tempOutputPath, "styles", "katex", "katex.min.css")); err != nil {
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beego.Error("复制CSS样式出错 => static/katex/katex.min.css",err)
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}
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eBookConverter := &converter.Converter{
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BasePath: tempOutputPath,
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OutputPath: filepath.Join(strings.TrimSuffix(tempOutputPath, "source"),"output"),
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Config: ebookConfig,
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Debug: true,
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}
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os.MkdirAll(eBookConverter.OutputPath,0766)
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if err := eBookConverter.Convert(); err != nil {
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beego.Error("转换文件错误：" + m.BookName + " => " + err.Error())
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return convertBookResult, err
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}
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beego.Info("文档转换完成：" + m.BookName)
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if err := filetil.CopyFile(filepath.Join(eBookConverter.OutputPath,"output", "book.mobi"),mobipath,);err != nil {
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beego.Error("复制文档失败 => ",filepath.Join(eBookConverter.OutputPath,"output", "book.mobi"),err)
|
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}
|
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if err := filetil.CopyFile(filepath.Join(eBookConverter.OutputPath,"output", "book.pdf"),pdfpath);err != nil {
|
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beego.Error("复制文档失败 => ",filepath.Join(eBookConverter.OutputPath,"output", "book.pdf"),err)
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}
|
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if err := filetil.CopyFile(filepath.Join(eBookConverter.OutputPath,"output", "book.epub"),epubpath); err != nil{
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beego.Error("复制文档失败 => ",filepath.Join(eBookConverter.OutputPath,"output", "book.epub"),err)
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}
|
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if err := filetil.CopyFile(filepath.Join(eBookConverter.OutputPath,"output", "book.docx"),docxpath); err != nil {
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beego.Error("复制文档失败 => ",filepath.Join(eBookConverter.OutputPath,"output", "book.docx"),err)
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}
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convertBookResult.MobiPath = mobipath
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convertBookResult.PDFPath = pdfpath
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convertBookResult.EpubPath = epubpath
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convertBookResult.WordPath = docxpath
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return convertBookResult, nil
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}
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//导出Markdown原始文件
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func (m *BookResult) ExportMarkdown(sessionId string) (string, error) {
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||
outputPath := filepath.Join(conf.WorkingDirectory, "uploads", "books", strconv.Itoa(m.BookId), "book.zip")
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|
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os.MkdirAll(filepath.Dir(outputPath), 0644)
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tempOutputPath := filepath.Join(os.TempDir(), sessionId, "markdown")
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defer os.RemoveAll(tempOutputPath)
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bookUrl := conf.URLFor("DocumentController.Index",":key" , m.Identify) + "/"
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err := exportMarkdown(tempOutputPath, 0, m.BookId,tempOutputPath,bookUrl)
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|
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if err != nil {
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return "", err
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}
|
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|
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|
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if err := ziptil.Compress(outputPath, tempOutputPath); err != nil {
|
||
beego.Error("导出Markdown失败=>", err)
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return "", err
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}
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return outputPath, nil
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}
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|
||
//递归导出Markdown文档
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func exportMarkdown(p string, parentId int, bookId int,baseDir string,bookUrl string) error {
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||
o := orm.NewOrm()
|
||
|
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var docs []*Document
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||
|
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_, err := o.QueryTable(NewDocument().TableNameWithPrefix()).Filter("book_id", bookId).Filter("parent_id", parentId).All(&docs)
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|
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if err != nil {
|
||
beego.Error("导出Markdown失败=>", err)
|
||
return err
|
||
}
|
||
for _, doc := range docs {
|
||
//获取当前文档的子文档数量，如果数量不为0，则将当前文档命名为READMD.md并设置成目录。
|
||
subDocCount, err := o.QueryTable(NewDocument().TableNameWithPrefix()).Filter("parent_id", doc.DocumentId).Count()
|
||
|
||
if err != nil {
|
||
beego.Error("导出Markdown失败=>", err)
|
||
return err
|
||
}
|
||
|
||
var docPath string
|
||
|
||
if subDocCount > 0 {
|
||
if doc.Identify != "" {
|
||
docPath = filepath.Join(p, doc.Identify, "README.md")
|
||
} else {
|
||
docPath = filepath.Join(p, strconv.Itoa(doc.DocumentId), "README.md")
|
||
}
|
||
} else {
|
||
if doc.Identify != "" {
|
||
if strings.HasSuffix(doc.Identify,".md") || strings.HasSuffix(doc.Identify,".markdown") {
|
||
docPath = filepath.Join(p, doc.Identify)
|
||
}else {
|
||
docPath = filepath.Join(p, doc.Identify+".md")
|
||
}
|
||
} else {
|
||
docPath = filepath.Join(p, strings.TrimSpace(doc.DocumentName)+".md")
|
||
}
|
||
}
|
||
dirPath := filepath.Dir(docPath)
|
||
|
||
os.MkdirAll(dirPath, 0766)
|
||
markdown := doc.Markdown
|
||
//如果当前文档不为空
|
||
if strings.TrimSpace(doc.Markdown) != "" {
|
||
re := regexp.MustCompile(`!\[(.*?)\]\((.*?)\)`)
|
||
|
||
//处理文档中图片
|
||
markdown = re.ReplaceAllStringFunc(doc.Markdown, func(image string) string {
|
||
images := re.FindAllSubmatch([]byte(image), -1)
|
||
if len(images) <= 0 || len(images[0]) < 3 {
|
||
return image
|
||
}
|
||
originalImageUrl := string(images[0][2])
|
||
imageUrl := strings.Replace(string(originalImageUrl), "\\", "/", -1)
|
||
|
||
//如果是本地路径，则需要将图片复制到项目目录
|
||
if strings.HasPrefix(imageUrl, "http://") || strings.HasPrefix(imageUrl, "https://") {
|
||
imageExt := cryptil.Md5Crypt(imageUrl) + filepath.Ext(imageUrl)
|
||
|
||
dstFile := filepath.Join(baseDir, "uploads", time.Now().Format("200601"), imageExt)
|
||
|
||
if err := requests.DownloadAndSaveFile(imageUrl, dstFile); err == nil {
|
||
imageUrl = strings.TrimPrefix(strings.Replace(dstFile, "\\", "/", -1), strings.Replace(baseDir, "\\", "/", -1))
|
||
if !strings.HasPrefix(imageUrl, "/") && !strings.HasPrefix(imageUrl, "\\") {
|
||
imageUrl = "/" + imageUrl
|
||
}
|
||
}
|
||
} else if strings.HasPrefix(imageUrl, "/") {
|
||
filetil.CopyFile(filepath.Join(conf.WorkingDirectory, imageUrl), filepath.Join(baseDir, imageUrl))
|
||
}
|
||
|
||
imageUrl = strings.Replace(strings.TrimSuffix(image, originalImageUrl+")")+imageUrl+")", "\\", "/", -1)
|
||
|
||
return imageUrl
|
||
})
|
||
|
||
linkRe := regexp.MustCompile(`\[(.*?)\]\((.*?)\)`)
|
||
|
||
markdown = linkRe.ReplaceAllStringFunc(markdown, func(link string) string {
|
||
links := linkRe.FindAllStringSubmatch(link, -1)
|
||
if len(links) > 0 && len(links[0]) >= 3 {
|
||
originalLink := links[0][2]
|
||
|
||
//如果当前链接位于当前项目内
|
||
if strings.HasPrefix(originalLink,bookUrl) {
|
||
docIdentify := strings.TrimSpace(strings.TrimPrefix(originalLink, bookUrl))
|
||
tempDoc := NewDocument()
|
||
if id,err := strconv.Atoi(docIdentify);err == nil && id > 0 {
|
||
err := o.QueryTable(NewDocument().TableNameWithPrefix()).Filter("document_id",id).One(tempDoc,"identify","parent_id","document_id")
|
||
if err != nil {
|
||
beego.Error(err)
|
||
return link
|
||
}
|
||
}else{
|
||
err := o.QueryTable(NewDocument().TableNameWithPrefix()).Filter("identify",docIdentify).One(tempDoc,"identify","parent_id","document_id")
|
||
if err != nil {
|
||
beego.Error(err)
|
||
return link
|
||
}
|
||
}
|
||
tempLink := recursiveJoinDocumentIdentify(tempDoc.ParentId,"") + strings.TrimPrefix(originalLink, bookUrl)
|
||
|
||
if !strings.HasSuffix(tempLink,".md") && !strings.HasSuffix(doc.Identify,".markdown") {
|
||
tempLink = tempLink + ".md"
|
||
}
|
||
relative := strings.TrimPrefix(strings.Replace(p,"\\","/",-1),strings.Replace(baseDir,"\\","/",-1))
|
||
repeat := 0
|
||
if relative != "" {
|
||
relative = strings.TrimSuffix(strings.TrimPrefix(relative,"/"),"/")
|
||
repeat = strings.Count(relative,"/") + 1
|
||
}
|
||
beego.Info(repeat,"|",relative,"|",p,"|",baseDir)
|
||
tempLink = strings.Repeat("../",repeat) + tempLink
|
||
|
||
link = strings.TrimSuffix(link, originalLink+")") + tempLink + ")"
|
||
}
|
||
}
|
||
|
||
return link
|
||
|
||
})
|
||
}else{
|
||
markdown = "# " + doc.DocumentName + "\n"
|
||
}
|
||
if err := ioutil.WriteFile(docPath, []byte(markdown), 0644); err != nil {
|
||
beego.Error("导出Markdown失败=>", err)
|
||
return err
|
||
}
|
||
|
||
if subDocCount > 0 {
|
||
if err = exportMarkdown(dirPath, doc.DocumentId, bookId,baseDir,bookUrl); err != nil {
|
||
return err
|
||
}
|
||
}
|
||
}
|
||
return nil
|
||
}
|
||
|
||
func recursiveJoinDocumentIdentify(parentDocId int,identify string) string {
|
||
o := orm.NewOrm()
|
||
|
||
doc := NewDocument()
|
||
|
||
err := o.QueryTable(NewDocument().TableNameWithPrefix()).Filter("document_id",parentDocId).One(doc,"identify","parent_id","document_id")
|
||
|
||
if err != nil {
|
||
beego.Error(err)
|
||
return identify
|
||
}
|
||
|
||
if doc.Identify == "" {
|
||
identify = strconv.Itoa(doc.DocumentId) + "/" + identify
|
||
}else{
|
||
identify = doc.Identify + "/" + identify
|
||
}
|
||
if doc.ParentId > 0 {
|
||
identify = recursiveJoinDocumentIdentify(doc.ParentId,identify)
|
||
}
|
||
return identify
|
||
}
|
||
|
||
//查询项目的第一篇文档
|
||
func (m *BookResult) FindFirstDocumentByBookId(bookId int) (*Document, error) {
|
||
|
||
o := orm.NewOrm()
|
||
|
||
doc := NewDocument()
|
||
|
||
err := o.QueryTable(doc.TableNameWithPrefix()).Filter("book_id", bookId).Filter("parent_id", 0).OrderBy("order_sort").One(doc)
|
||
|
||
return doc, err
|
||
}
|