mirror of https://github.com/mindoc-org/mindoc.git
479 lines
14 KiB
Go
479 lines
14 KiB
Go
package models
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import (
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"bytes"
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"time"
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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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"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"
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"gopkg.in/russross/blackfriday.v2"
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"github.com/lifei6671/mindoc/utils/ziptil"
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"github.com/lifei6671/mindoc/utils/filetil"
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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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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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}
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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.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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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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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) //filepath.Abs(filepath.Join("cache", sessionId))
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os.MkdirAll(outputPath, 0766)
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os.MkdirAll(tempOutputPath, 0766)
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defer func(p string) {
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os.RemoveAll(p)
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}(tempOutputPath)
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if utils.FileExists(pdfpath) && utils.FileExists(epubpath) && utils.FileExists(mobipath) && utils.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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filetil.CopyFile(filepath.Join(conf.WorkingDirectory,"static","css","kancloud.css"),filepath.Join(tempOutputPath,"styles","css","kancloud.css"))
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filetil.CopyFile(filepath.Join(conf.WorkingDirectory,"static","css","export.css"),filepath.Join(tempOutputPath,"styles","css","export.css"))
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filetil.CopyFile(filepath.Join(conf.WorkingDirectory,"static","editor.md","css","editormd.preview.css"),filepath.Join(tempOutputPath,"styles","editor.md","css","editormd.preview.css"))
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filetil.CopyFile(filepath.Join(conf.WorkingDirectory,"static","prettify","themes","prettify.css"),filepath.Join(tempOutputPath,"styles","prettify","themes","prettify.css"))
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filetil.CopyFile(filepath.Join(conf.WorkingDirectory,"static","css,","markdown.preview.css"),filepath.Join(tempOutputPath,"styles","css","markdown.preview.css"))
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filetil.CopyFile(filepath.Join(conf.WorkingDirectory,"static","highlight","styles","vs.css"),filepath.Join(tempOutputPath,"styles","highlight","styles","vs.css"))
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filetil.CopyFile(filepath.Join(conf.WorkingDirectory,"static","katex","katex.min.css"),filepath.Join(tempOutputPath,"styles","katex","katex.min.css"))
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eBookConverter := &converter.Converter{
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BasePath: tempOutputPath,
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OutputPath: strings.TrimSuffix(tempOutputPath,"sources"),
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Config: ebookConfig,
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Debug: true,
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}
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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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utils.CopyFile(mobipath, filepath.Join(tempOutputPath, "output", "book.mobi"))
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utils.CopyFile(pdfpath, filepath.Join(tempOutputPath, "output", "book.pdf"))
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utils.CopyFile(epubpath, filepath.Join(tempOutputPath, "output", "book.epub"))
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utils.CopyFile(docxpath, filepath.Join(tempOutputPath, "output", "book.docx"))
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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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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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err := exportMarkdown(tempOutputPath,0,m.BookId)
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if err != nil {
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return "",err
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}
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if err := ziptil.Compress(outputPath,tempOutputPath);err != nil {
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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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func exportMarkdown(p string,parentId int,bookId int) (error){
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o := orm.NewOrm()
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var docs []*Document
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_,err := o.QueryTable(NewDocument().TableNameWithPrefix()).Filter("book_id",bookId).Filter("parent_id",parentId).All(&docs)
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if err != nil {
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beego.Error("导出Markdown失败=>",err)
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return err
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}
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for _,doc := range docs {
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//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。
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subDocCount,err := o.QueryTable(NewDocument().TableNameWithPrefix()).Filter("parent_id",doc.DocumentId).Count()
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if err != nil {
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beego.Error("导出Markdown失败=>",err)
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return err
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}
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var docPath string
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if subDocCount > 0 {
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if doc.Identify != "" {
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docPath = filepath.Join(p, doc.Identify,"README.md")
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} else {
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docPath = filepath.Join(p, strconv.Itoa(doc.DocumentId),"README.md")
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}
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}else{
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if doc.Identify != "" {
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docPath = filepath.Join(p, doc.Identify + ".md")
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} else {
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docPath = filepath.Join(p, doc.DocumentName + ".md")
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}
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}
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dirPath := filepath.Dir(docPath);
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os.MkdirAll(dirPath,0766)
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if err := ioutil.WriteFile(docPath,[]byte(doc.Markdown),0644);err != nil {
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beego.Error("导出Markdown失败=>",err)
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return err
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}
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if subDocCount > 0 {
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if err = exportMarkdown(dirPath,doc.DocumentId,bookId);err != nil {
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return err
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}
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}
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}
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return nil
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}
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