mindoc/controllers/BookController.go

793 lines
20 KiB
Go

package controllers
import (
"encoding/json"
"errors"
"fmt"
"html/template"
"os"
"path/filepath"
"regexp"
"strconv"
"strings"
"time"
"net/http"
"github.com/astaxie/beego"
"github.com/astaxie/beego/logs"
"github.com/astaxie/beego/orm"
"github.com/lifei6671/mindoc/conf"
"github.com/lifei6671/mindoc/graphics"
"github.com/lifei6671/mindoc/models"
"github.com/lifei6671/mindoc/utils"
"github.com/lifei6671/mindoc/utils/pagination"
"gopkg.in/russross/blackfriday.v2"
)
type BookController struct {
BaseController
}
func (c *BookController) Index() {
c.Prepare()
c.TplName = "book/index.tpl"
pageIndex, _ := c.GetInt("page", 1)
books, totalCount, err := models.NewBook().FindToPager(pageIndex, conf.PageSize, c.Member.MemberId)
if err != nil {
logs.Error("BookController.Index => ", err)
c.Abort("500")
}
for i, book := range books {
books[i].Description = utils.StripTags(string(blackfriday.Run([]byte(book.Description))))
books[i].ModifyTime = book.ModifyTime.Local()
books[i].CreateTime = book.CreateTime.Local()
}
if totalCount > 0 {
pager := pagination.NewPagination(c.Ctx.Request, totalCount, conf.PageSize, c.BaseUrl())
c.Data["PageHtml"] = pager.HtmlPages()
} else {
c.Data["PageHtml"] = ""
}
b, err := json.Marshal(books)
if err != nil || len(books) <= 0 {
c.Data["Result"] = template.JS("[]")
} else {
c.Data["Result"] = template.JS(string(b))
}
}
// Dashboard 项目概要 .
func (c *BookController) Dashboard() {
c.Prepare()
c.TplName = "book/dashboard.tpl"
key := c.Ctx.Input.Param(":key")
if key == "" {
c.Abort("404")
}
book, err := models.NewBookResult().FindByIdentify(key, c.Member.MemberId)
if err != nil {
if err == models.ErrPermissionDenied {
c.Abort("403")
}
beego.Error(err)
c.Abort("500")
}
c.Data["Description"] = template.HTML(blackfriday.Run([]byte(book.Description)))
c.Data["Model"] = *book
}
// Setting 项目设置 .
func (c *BookController) Setting() {
c.Prepare()
c.TplName = "book/setting.tpl"
key := c.Ctx.Input.Param(":key")
if key == "" {
c.Abort("404")
}
book, err := models.NewBookResult().FindByIdentify(key, c.Member.MemberId)
if err != nil {
if err == orm.ErrNoRows {
c.Abort("404")
}
if err == models.ErrPermissionDenied {
c.Abort("403")
}
c.Abort("500")
}
//如果不是创始人也不是管理员则不能操作
if book.RoleId != conf.BookFounder && book.RoleId != conf.BookAdmin {
c.Abort("403")
}
if book.PrivateToken != "" {
book.PrivateToken = conf.URLFor("DocumentController.Index", ":key", book.Identify, "token", book.PrivateToken)
}
c.Data["Model"] = book
}
//保存项目信息
func (c *BookController) SaveBook() {
bookResult, err := c.IsPermission()
if err != nil {
c.JsonResult(6001, err.Error())
}
book, err := models.NewBook().Find(bookResult.BookId)
if err != nil {
logs.Error("SaveBook => ", err)
c.JsonResult(6002, err.Error())
}
bookName := strings.TrimSpace(c.GetString("book_name"))
description := strings.TrimSpace(c.GetString("description", ""))
commentStatus := c.GetString("comment_status")
tag := strings.TrimSpace(c.GetString("label"))
editor := strings.TrimSpace(c.GetString("editor"))
autoRelease := strings.TrimSpace(c.GetString("auto_release")) == "on"
publisher := strings.TrimSpace(c.GetString("publisher"))
historyCount, _ := c.GetInt("history_count", 0)
isDownload := strings.TrimSpace(c.GetString("is_download")) == "on"
enableShare := strings.TrimSpace(c.GetString("enable_share")) == "on"
isUseFirstDocument := strings.TrimSpace(c.GetString("is_use_first_document")) == "on"
if strings.Count(description, "") > 500 {
c.JsonResult(6004, "项目描述不能大于500字")
}
if commentStatus != "open" && commentStatus != "closed" && commentStatus != "group_only" && commentStatus != "registered_only" {
commentStatus = "closed"
}
if tag != "" {
tags := strings.Split(tag, ",")
if len(tags) > 10 {
c.JsonResult(6005, "最多允许添加10个标签")
}
}
if editor != "markdown" && editor != "html" {
editor = "markdown"
}
book.BookName = bookName
book.Description = description
book.CommentStatus = commentStatus
book.Publisher = publisher
book.Label = tag
book.Editor = editor
book.HistoryCount = historyCount
book.IsDownload = 0
if autoRelease {
book.AutoRelease = 1
} else {
book.AutoRelease = 0
}
if isDownload {
book.IsDownload = 0
} else {
book.IsDownload = 1
}
if enableShare {
book.IsEnableShare = 0
} else {
book.IsEnableShare = 1
}
if isUseFirstDocument {
book.IsUseFirstDocument = 1
} else {
book.IsUseFirstDocument = 0
}
if err := book.Update(); err != nil {
c.JsonResult(6006, "保存失败")
}
bookResult.BookName = bookName
bookResult.Description = description
bookResult.CommentStatus = commentStatus
bookResult.Label = tag
c.JsonResult(0, "ok", bookResult)
}
//设置项目私有状态.
func (c *BookController) PrivatelyOwned() {
status := c.GetString("status")
if status != "open" && status != "close" {
c.JsonResult(6003, "参数错误")
}
state := 0
if status == "open" {
state = 0
} else {
state = 1
}
bookResult, err := c.IsPermission()
if err != nil {
c.JsonResult(6001, err.Error())
}
//只有创始人才能变更私有状态
if bookResult.RoleId != conf.BookFounder {
c.JsonResult(6002, "权限不足")
}
book, err := models.NewBook().Find(bookResult.BookId)
if err != nil {
c.JsonResult(6005, "项目不存在")
}
book.PrivatelyOwned = state
err = book.Update()
if err != nil {
logs.Error("PrivatelyOwned => ", err)
c.JsonResult(6004, "保存失败")
}
c.JsonResult(0, "ok")
}
// Transfer 转让项目.
func (c *BookController) Transfer() {
c.Prepare()
account := c.GetString("account")
if account == "" {
c.JsonResult(6004, "接受者账号不能为空")
}
member, err := models.NewMember().FindByAccount(account)
if err != nil {
logs.Error("FindByAccount => ", err)
c.JsonResult(6005, "接受用户不存在")
}
if member.Status != 0 {
c.JsonResult(6006, "接受用户已被禁用")
}
if member.MemberId == c.Member.MemberId {
c.JsonResult(6007, "不能转让给自己")
}
bookResult, err := c.IsPermission()
if err != nil {
c.JsonResult(6001, err.Error())
}
err = models.NewRelationship().Transfer(bookResult.BookId, c.Member.MemberId, member.MemberId)
if err != nil {
logs.Error("Transfer => ", err)
c.JsonResult(6008, err.Error())
}
c.JsonResult(0, "ok")
}
//上传项目封面.
func (c *BookController) UploadCover() {
bookResult, err := c.IsPermission()
if err != nil {
c.JsonResult(6001, err.Error())
}
book, err := models.NewBook().Find(bookResult.BookId)
if err != nil {
logs.Error("SaveBook => ", err)
c.JsonResult(6002, err.Error())
}
file, moreFile, err := c.GetFile("image-file")
defer file.Close()
if err != nil {
logs.Error("", err.Error())
c.JsonResult(500, "读取文件异常")
}
ext := filepath.Ext(moreFile.Filename)
if !strings.EqualFold(ext, ".png") && !strings.EqualFold(ext, ".jpg") && !strings.EqualFold(ext, ".gif") && !strings.EqualFold(ext, ".jpeg") {
c.JsonResult(500, "不支持的图片格式")
}
x1, _ := strconv.ParseFloat(c.GetString("x"), 10)
y1, _ := strconv.ParseFloat(c.GetString("y"), 10)
w1, _ := strconv.ParseFloat(c.GetString("width"), 10)
h1, _ := strconv.ParseFloat(c.GetString("height"), 10)
x := int(x1)
y := int(y1)
width := int(w1)
height := int(h1)
fileName := "cover_" + strconv.FormatInt(time.Now().UnixNano(), 16)
filePath := filepath.Join("uploads", time.Now().Format("200601"), fileName+ext)
path := filepath.Dir(filePath)
os.MkdirAll(path, os.ModePerm)
err = c.SaveToFile("image-file", filePath)
if err != nil {
logs.Error("", err)
c.JsonResult(500, "图片保存失败")
}
defer func(filePath string) {
os.Remove(filePath)
}(filePath)
//剪切图片
subImg, err := graphics.ImageCopyFromFile(filePath, x, y, width, height)
if err != nil {
logs.Error("graphics.ImageCopyFromFile => ", err)
c.JsonResult(500, "图片剪切")
}
filePath = filepath.Join(conf.WorkingDirectory, "uploads", time.Now().Format("200601"), fileName+"_small"+ext)
//生成缩略图并保存到磁盘
err = graphics.ImageResizeSaveFile(subImg, 175, 230, filePath)
if err != nil {
logs.Error("ImageResizeSaveFile => ", err.Error())
c.JsonResult(500, "保存图片失败")
}
url := "/" + strings.Replace(strings.TrimPrefix(filePath, conf.WorkingDirectory), "\\", "/", -1)
if strings.HasPrefix(url, "//") {
url = string(url[1:])
}
oldCover := book.Cover
book.Cover = conf.URLForWithCdnImage(url)
if err := book.Update(); err != nil {
c.JsonResult(6001, "保存图片失败")
}
//如果原封面不是默认封面则删除
if oldCover != conf.GetDefaultCover() {
os.Remove("." + oldCover)
}
c.JsonResult(0, "ok", url)
}
// Users 用户列表.
func (c *BookController) Users() {
c.Prepare()
c.TplName = "book/users.tpl"
key := c.Ctx.Input.Param(":key")
pageIndex, _ := c.GetInt("page", 1)
if key == "" {
c.Abort("404")
}
book, err := models.NewBookResult().FindByIdentify(key, c.Member.MemberId)
if err != nil {
if err == models.ErrPermissionDenied {
c.Abort("403")
}
c.Abort("500")
}
c.Data["Model"] = *book
members, totalCount, err := models.NewMemberRelationshipResult().FindForUsersByBookId(book.BookId, pageIndex, 15)
if totalCount > 0 {
pager := pagination.NewPagination(c.Ctx.Request, totalCount, conf.PageSize, c.BaseUrl())
c.Data["PageHtml"] = pager.HtmlPages()
} else {
c.Data["PageHtml"] = ""
}
b, err := json.Marshal(members)
if err != nil {
c.Data["Result"] = template.JS("[]")
} else {
c.Data["Result"] = template.JS(string(b))
}
}
// Create 创建项目.
func (c *BookController) Create() {
if c.Ctx.Input.IsPost() {
book_name := strings.TrimSpace(c.GetString("book_name", ""))
identify := strings.TrimSpace(c.GetString("identify", ""))
description := strings.TrimSpace(c.GetString("description", ""))
privatelyOwned, _ := strconv.Atoi(c.GetString("privately_owned"))
comment_status := c.GetString("comment_status")
if book_name == "" {
c.JsonResult(6001, "项目名称不能为空")
}
if identify == "" {
c.JsonResult(6002, "项目标识不能为空")
}
if ok, err := regexp.MatchString(`^[a-z]+[a-zA-Z0-9_\-]*$`, identify); !ok || err != nil {
c.JsonResult(6003, "项目标识只能包含小写字母、数字,以及“-”和“_”符号,并且只能小写字母开头")
}
if strings.Count(identify, "") > 50 {
c.JsonResult(6004, "文档标识不能超过50字")
}
if strings.Count(description, "") > 500 {
c.JsonResult(6004, "项目描述不能大于500字")
}
if privatelyOwned != 0 && privatelyOwned != 1 {
privatelyOwned = 1
}
if comment_status != "open" && comment_status != "closed" && comment_status != "group_only" && comment_status != "registered_only" {
comment_status = "closed"
}
book := models.NewBook()
book.Cover = conf.GetDefaultCover()
//如果客户端上传了项目封面则直接保存
if file, moreFile, err := c.GetFile("image-file"); err == nil {
defer file.Close()
ext := filepath.Ext(moreFile.Filename)
//如果上传的是图片
if strings.EqualFold(ext, ".png") || strings.EqualFold(ext, ".jpg") || strings.EqualFold(ext, ".gif") || strings.EqualFold(ext, ".jpeg") {
fileName := "cover_" + strconv.FormatInt(time.Now().UnixNano(), 16)
filePath := filepath.Join("uploads", time.Now().Format("200601"), fileName+ext)
path := filepath.Dir(filePath)
os.MkdirAll(path, os.ModePerm)
if err := c.SaveToFile("image-file", filePath); err == nil {
url := "/" + strings.Replace(strings.TrimPrefix(filePath, conf.WorkingDirectory), "\\", "/", -1)
if strings.HasPrefix(url, "//") {
url = string(url[1:])
}
book.Cover = url
}
}
}
if books, _ := book.FindByField("identify", identify,"book_id"); len(books) > 0 {
c.JsonResult(6006, "项目标识已存在")
}
book.BookName = book_name
book.Description = description
book.CommentCount = 0
book.PrivatelyOwned = privatelyOwned
book.CommentStatus = comment_status
book.Identify = identify
book.DocCount = 0
book.MemberId = c.Member.MemberId
book.CommentCount = 0
book.Version = time.Now().Unix()
book.Editor = "markdown"
book.Theme = "default"
if err := book.Insert(); err != nil {
logs.Error("Insert => ", err)
c.JsonResult(6005, "保存项目失败")
}
bookResult, err := models.NewBookResult().FindByIdentify(book.Identify, c.Member.MemberId)
if err != nil {
beego.Error(err)
}
c.JsonResult(0, "ok", bookResult)
}
c.JsonResult(6001, "error")
}
//导入zip压缩包
func (c *BookController) Import() {
file, moreFile, err := c.GetFile("import-file")
if err == http.ErrMissingFile {
c.JsonResult(6003, "没有发现需要上传的文件")
}
defer file.Close()
bookName := strings.TrimSpace(c.GetString("book_name"))
identify := strings.TrimSpace(c.GetString("identify"))
description := strings.TrimSpace(c.GetString("description", ""))
privatelyOwned, _ := strconv.Atoi(c.GetString("privately_owned"))
if bookName == "" {
c.JsonResult(6001, "项目名称不能为空")
}
if len([]rune(bookName)) > 500 {
c.JsonResult(6002, "项目名称不能大于500字")
}
if identify == "" {
c.JsonResult(6002, "项目标识不能为空")
}
if ok, err := regexp.MatchString(`^[a-z]+[a-zA-Z0-9_\-]*$`, identify); !ok || err != nil {
c.JsonResult(6003, "项目标识只能包含小写字母、数字,以及“-”和“_”符号,并且只能小写字母开头")
}
if strings.Count(identify, "") > 50 {
c.JsonResult(6004, "文档标识不能超过50字")
}
ext := filepath.Ext(moreFile.Filename)
if !strings.EqualFold(ext, ".zip") {
c.JsonResult(6004, "不支持的文件类型")
}
if books, _ := models.NewBook().FindByField("identify", identify,"book_id"); len(books) > 0 {
c.JsonResult(6006, "项目标识已存在")
}
tempPath := filepath.Join(os.TempDir(), c.CruSession.SessionID())
os.MkdirAll(tempPath, 0766)
tempPath = filepath.Join(tempPath, moreFile.Filename)
err = c.SaveToFile("import-file", tempPath)
book := models.NewBook()
book.MemberId = c.Member.MemberId
book.Cover = conf.GetDefaultCover()
book.BookName = bookName
book.Description = description
book.CommentCount = 0
book.PrivatelyOwned = privatelyOwned
book.CommentStatus = "closed"
book.Identify = identify
book.DocCount = 0
book.MemberId = c.Member.MemberId
book.CommentCount = 0
book.Version = time.Now().Unix()
book.Editor = "markdown"
book.Theme = "default"
go book.ImportBook(tempPath)
c.JsonResult(0, "项目正在后台转换中,请稍后查看")
}
// CreateToken 创建访问来令牌.
func (c *BookController) CreateToken() {
action := c.GetString("action")
bookResult, err := c.IsPermission()
if err != nil {
if err == models.ErrPermissionDenied {
c.JsonResult(403, "权限不足")
}
if err == orm.ErrNoRows {
c.JsonResult(404, "项目不存在")
}
logs.Error("生成阅读令牌失败 =>", err)
c.JsonResult(6002, err.Error())
}
book := models.NewBook()
if _, err := book.Find(bookResult.BookId); err != nil {
c.JsonResult(6001, "项目不存在")
}
if action == "create" {
if bookResult.PrivatelyOwned == 0 {
c.JsonResult(6001, "公开项目不能创建阅读令牌")
}
book.PrivateToken = string(utils.Krand(conf.GetTokenSize(), utils.KC_RAND_KIND_ALL))
if err := book.Update(); err != nil {
logs.Error("生成阅读令牌失败 => ", err)
c.JsonResult(6003, "生成阅读令牌失败")
}
c.JsonResult(0, "ok", conf.URLFor("DocumentController.Index", ":key", book.Identify, "token", book.PrivateToken))
} else {
book.PrivateToken = ""
if err := book.Update(); err != nil {
logs.Error("CreateToken => ", err)
c.JsonResult(6004, "删除令牌失败")
}
c.JsonResult(0, "ok", "")
}
}
// Delete 删除项目.
func (c *BookController) Delete() {
c.Prepare()
bookResult, err := c.IsPermission()
if err != nil {
c.JsonResult(6001, err.Error())
}
if bookResult.RoleId != conf.BookFounder {
c.JsonResult(6002, "只有创始人才能删除项目")
}
err = models.NewBook().ThoroughDeleteBook(bookResult.BookId)
if err == orm.ErrNoRows {
c.JsonResult(6002, "项目不存在")
}
if err != nil {
logs.Error("删除项目 => ", err)
c.JsonResult(6003, "删除失败")
}
c.JsonResult(0, "ok")
}
//发布项目.
func (c *BookController) Release() {
c.Prepare()
identify := c.GetString("identify")
bookId := 0
if c.Member.IsAdministrator() {
book, err := models.NewBook().FindByFieldFirst("identify", identify)
if err != nil {
}
bookId = book.BookId
} else {
book, err := models.NewBookResult().FindByIdentify(identify, c.Member.MemberId)
if err != nil {
if err == models.ErrPermissionDenied {
c.JsonResult(6001, "权限不足")
}
if err == orm.ErrNoRows {
c.JsonResult(6002, "项目不存在")
}
beego.Error(err)
c.JsonResult(6003, "未知错误")
}
if book.RoleId != conf.BookAdmin && book.RoleId != conf.BookFounder && book.RoleId != conf.BookEditor {
c.JsonResult(6003, "权限不足")
}
bookId = book.BookId
}
go func(identify string) {
models.NewBook().ReleaseContent(bookId)
//当文档发布后,需要删除已缓存的转换项目
outputPath := filepath.Join(beego.AppConfig.DefaultString("book_output_path", "cache"), strconv.Itoa(bookId))
os.RemoveAll(outputPath)
}(identify)
c.JsonResult(0, "发布任务已推送到任务队列,稍后将在后台执行。")
}
//文档排序.
func (c *BookController) SaveSort() {
c.Prepare()
identify := c.Ctx.Input.Param(":key")
if identify == "" {
c.Abort("404")
}
book_id := 0
if c.Member.IsAdministrator() {
book, err := models.NewBook().FindByFieldFirst("identify", identify)
if err != nil {
}
book_id = book.BookId
} else {
bookResult, err := models.NewBookResult().FindByIdentify(identify, c.Member.MemberId)
if err != nil {
beego.Error("DocumentController.Edit => ", err)
c.Abort("403")
}
if bookResult.RoleId == conf.BookObserver {
c.JsonResult(6002, "项目不存在或权限不足")
}
book_id = bookResult.BookId
}
content := c.Ctx.Input.RequestBody
var docs []map[string]interface{}
err := json.Unmarshal(content, &docs)
if err != nil {
beego.Error(err)
c.JsonResult(6003, "数据错误")
}
for _, item := range docs {
if doc_id, ok := item["id"].(float64); ok {
doc, err := models.NewDocument().Find(int(doc_id))
if err != nil {
beego.Error(err)
continue
}
if doc.BookId != book_id {
logs.Info("%s", "权限错误")
continue
}
sort, ok := item["sort"].(float64)
if !ok {
beego.Info("排序数字转换失败 => ", item)
continue
}
parent_id, ok := item["parent"].(float64)
if !ok {
beego.Info("父分类转换失败 => ", item)
continue
}
if parent_id > 0 {
if parent, err := models.NewDocument().Find(int(parent_id)); err != nil || parent.BookId != book_id {
continue
}
}
doc.OrderSort = int(sort)
doc.ParentId = int(parent_id)
if err := doc.InsertOrUpdate(); err != nil {
fmt.Printf("%s", err.Error())
beego.Error(err)
}
} else {
fmt.Printf("文档ID转换失败 => %+v", item)
}
}
c.JsonResult(0, "ok")
}
func (c *BookController) IsPermission() (*models.BookResult, error) {
identify := c.GetString("identify")
book, err := models.NewBookResult().FindByIdentify(identify, c.Member.MemberId)
if err != nil {
if err == models.ErrPermissionDenied {
return book, errors.New("权限不足")
}
if err == orm.ErrNoRows {
return book, errors.New("项目不存在")
}
return book, err
}
if book.RoleId != conf.BookAdmin && book.RoleId != conf.BookFounder {
return book, errors.New("权限不足")
}
return book, nil
}