mirror of https://github.com/mindoc-org/mindoc.git
683 lines
16 KiB
Go
683 lines
16 KiB
Go
package controllers
|
||
|
||
import (
|
||
"os"
|
||
"time"
|
||
"regexp"
|
||
"strconv"
|
||
"strings"
|
||
"net/http"
|
||
"path/filepath"
|
||
"encoding/json"
|
||
"html/template"
|
||
"container/list"
|
||
|
||
"github.com/lifei6671/godoc/models"
|
||
"github.com/lifei6671/godoc/conf"
|
||
"github.com/astaxie/beego"
|
||
"github.com/astaxie/beego/orm"
|
||
"github.com/lifei6671/godoc/utils"
|
||
)
|
||
|
||
//DocumentController struct.
|
||
type DocumentController struct {
|
||
BaseController
|
||
}
|
||
|
||
//判断用户是否可以阅读文档.
|
||
func isReadable (identify,token string,c *DocumentController) *models.BookResult {
|
||
book, err := models.NewBook().FindByFieldFirst("identify", identify)
|
||
|
||
if err != nil {
|
||
beego.Error(err)
|
||
c.Abort("500")
|
||
}
|
||
//如果文档是私有的
|
||
if book.PrivatelyOwned == 1 {
|
||
|
||
is_ok := false
|
||
|
||
if c.Member != nil {
|
||
_, err := models.NewRelationship().FindForRoleId(book.BookId, c.Member.MemberId)
|
||
if err == nil {
|
||
is_ok = true
|
||
}
|
||
}
|
||
if book.PrivateToken != "" && !is_ok {
|
||
//如果有访问的Token，并且该项目设置了访问Token，并且和用户提供的相匹配，则记录到Session中.
|
||
//如果用户未提供Token且用户登录了，则判断用户是否参与了该项目.
|
||
//如果用户未登录，则从Session中读取Token.
|
||
if token != "" && strings.EqualFold(token, book.PrivateToken) {
|
||
c.SetSession(identify, token)
|
||
|
||
} else if token, ok := c.GetSession(identify).(string); !ok || !strings.EqualFold(token, book.PrivateToken) {
|
||
c.Abort("403")
|
||
}
|
||
} else if !is_ok {
|
||
c.Abort("403")
|
||
}
|
||
|
||
}
|
||
bookResult := book.ToBookResult()
|
||
|
||
if c.Member != nil {
|
||
rel, err := models.NewRelationship().FindByBookIdAndMemberId(bookResult.BookId, c.Member.MemberId)
|
||
|
||
if err == nil {
|
||
bookResult.MemberId = rel.MemberId
|
||
bookResult.RoleId = rel.RoleId
|
||
bookResult.RelationshipId = rel.RelationshipId
|
||
}
|
||
|
||
}
|
||
//判断是否需要显示评论框
|
||
if bookResult.CommentStatus == "closed" {
|
||
bookResult.IsDisplayComment = false
|
||
} else if bookResult.CommentStatus == "open" {
|
||
bookResult.IsDisplayComment = true
|
||
} else if bookResult.CommentStatus == "group_only" {
|
||
bookResult.IsDisplayComment = bookResult.RelationshipId > 0
|
||
} else if bookResult.CommentStatus == "registered_only" {
|
||
bookResult.IsDisplayComment = true
|
||
}
|
||
|
||
return bookResult
|
||
}
|
||
|
||
//文档首页.
|
||
func (c *DocumentController) Index() {
|
||
c.Prepare()
|
||
identify := c.Ctx.Input.Param(":key")
|
||
token := c.GetString("token")
|
||
|
||
if identify == "" {
|
||
c.Abort("404")
|
||
}
|
||
//如果没有开启你们访问则跳转到登录
|
||
if !c.EnableAnonymous && c.Member == nil {
|
||
c.Redirect(beego.URLFor("AccountController.Login"),302)
|
||
return
|
||
}
|
||
bookResult := isReadable(identify,token,c)
|
||
|
||
|
||
c.TplName = "document/" + bookResult.Theme + "_read.tpl"
|
||
|
||
tree,err := models.NewDocument().CreateDocumentTreeForHtml(bookResult.BookId,0)
|
||
|
||
if err != nil {
|
||
beego.Error(err)
|
||
c.Abort("500")
|
||
}
|
||
|
||
|
||
c.Data["Model"] = bookResult
|
||
c.Data["Result"] = template.HTML(tree)
|
||
c.Data["Title"] = "概要"
|
||
c.Data["Content"] = bookResult.Description
|
||
}
|
||
//阅读文档.
|
||
func (c *DocumentController) Read() {
|
||
c.Prepare()
|
||
identify := c.Ctx.Input.Param(":key")
|
||
token := c.GetString("token")
|
||
id := c.GetString(":id")
|
||
|
||
if identify == "" || id == ""{
|
||
c.Abort("404")
|
||
}
|
||
|
||
//如果没有开启你们访问则跳转到登录
|
||
if !c.EnableAnonymous && c.Member == nil {
|
||
c.Redirect(beego.URLFor("AccountController.Login"),302)
|
||
return
|
||
}
|
||
|
||
bookResult := isReadable(identify,token,c)
|
||
|
||
c.TplName = "document/" + bookResult.Theme + "_read.tpl"
|
||
|
||
doc := models.NewDocument()
|
||
|
||
if doc_id,err := strconv.Atoi(id);err == nil {
|
||
doc,err = doc.Find(doc_id)
|
||
if err != nil {
|
||
beego.Error(err)
|
||
c.Abort("500")
|
||
}
|
||
}else{
|
||
doc,err = doc.FindByFieldFirst("identify",id)
|
||
if err != nil {
|
||
beego.Error(err)
|
||
c.Abort("500")
|
||
}
|
||
}
|
||
|
||
if doc.BookId != bookResult.BookId {
|
||
c.Abort("403")
|
||
}
|
||
if c.IsAjax() {
|
||
var data struct{
|
||
DocTitle string `json:"doc_title"`
|
||
Body string `json:"body"`
|
||
Title string `json:"title"`
|
||
}
|
||
data.DocTitle = doc.DocumentName
|
||
data.Body = doc.Release
|
||
data.Title = doc.DocumentName + " - Powered by MinDoc"
|
||
|
||
c.JsonResult(0,"ok",data)
|
||
}
|
||
|
||
tree,err := models.NewDocument().CreateDocumentTreeForHtml(bookResult.BookId,doc.DocumentId)
|
||
|
||
if err != nil {
|
||
beego.Error(err)
|
||
c.Abort("500")
|
||
}
|
||
|
||
c.Data["Model"] = bookResult
|
||
c.Data["Result"] = template.HTML(tree)
|
||
c.Data["Title"] = doc.DocumentName
|
||
c.Data["Content"] = template.HTML(doc.Release)
|
||
}
|
||
|
||
//编辑文档.
|
||
func (c *DocumentController) Edit() {
|
||
c.Prepare()
|
||
|
||
identify := c.Ctx.Input.Param(":key")
|
||
if identify == "" {
|
||
c.Abort("404")
|
||
}
|
||
|
||
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")
|
||
}
|
||
|
||
//根据不同编辑器类型加载编辑器
|
||
if bookResult.Editor == "markdown" {
|
||
c.TplName = "document/markdown_edit_template.tpl"
|
||
}else if bookResult.Editor == "html"{
|
||
c.TplName = "document/html_edit_template.tpl"
|
||
}else{
|
||
c.TplName = "document/" + bookResult.Editor + "_edit_template.tpl"
|
||
}
|
||
|
||
c.Data["Model"] = bookResult
|
||
|
||
r,_ := json.Marshal(bookResult)
|
||
|
||
c.Data["ModelResult"] = template.JS(string(r))
|
||
|
||
c.Data["Result"] = template.JS("[]")
|
||
|
||
trees ,err := models.NewDocument().FindDocumentTree(bookResult.BookId)
|
||
|
||
if err != nil {
|
||
beego.Error("FindDocumentTree => ", err)
|
||
}else{
|
||
if len(trees) > 0 {
|
||
if jtree, err := json.Marshal(trees); err == nil {
|
||
c.Data["Result"] = template.JS(string(jtree))
|
||
}
|
||
}else{
|
||
c.Data["Result"] = template.JS("[]")
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
//创建一个文档.
|
||
func (c *DocumentController) Create() {
|
||
identify := c.GetString("identify")
|
||
doc_identify := c.GetString("doc_identify")
|
||
doc_name := c.GetString("doc_name")
|
||
parent_id,_ := c.GetInt("parent_id",0)
|
||
doc_id,_ := c.GetInt("doc_id",0)
|
||
|
||
if identify == "" {
|
||
c.JsonResult(6001,"参数错误")
|
||
}
|
||
if doc_name == "" {
|
||
c.JsonResult(6004,"文档名称不能为空")
|
||
}
|
||
if doc_identify != "" {
|
||
if ok, err := regexp.MatchString(`^[a-z]+[a-zA-Z0-9_\-]*$`, doc_identify); !ok || err != nil {
|
||
|
||
c.JsonResult(6003, "文档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")
|
||
}
|
||
d,_ := models.NewDocument().FindByFieldFirst("identify",doc_identify);
|
||
if d.DocumentId > 0 && d.DocumentId != doc_id{
|
||
c.JsonResult(6006,"文档标识已被使用")
|
||
}
|
||
}
|
||
|
||
bookResult,err := models.NewBookResult().FindByIdentify(identify,c.Member.MemberId)
|
||
|
||
if err != nil || bookResult.RoleId == conf.BookObserver {
|
||
beego.Error("FindByIdentify => ",err)
|
||
c.JsonResult(6002,"项目不存在或权限不足")
|
||
}
|
||
if parent_id > 0 {
|
||
doc,err := models.NewDocument().Find(parent_id)
|
||
if err != nil || doc.BookId != bookResult.BookId{
|
||
c.JsonResult(6003,"父分类不存在")
|
||
}
|
||
}
|
||
|
||
document,_ := models.NewDocument().Find(doc_id)
|
||
|
||
document.MemberId = c.Member.MemberId
|
||
document.BookId = bookResult.BookId
|
||
if doc_identify != ""{
|
||
document.Identify = doc_identify
|
||
}
|
||
document.Version = time.Now().Unix()
|
||
document.DocumentName = doc_name
|
||
document.ParentId = parent_id
|
||
|
||
if err := document.InsertOrUpdate();err != nil {
|
||
beego.Error("InsertOrUpdate => ",err)
|
||
c.JsonResult(6005,"保存失败")
|
||
}else{
|
||
|
||
c.JsonResult(0,"ok",document)
|
||
}
|
||
}
|
||
|
||
//上传附件或图片.
|
||
func (c *DocumentController) Upload() {
|
||
|
||
identify := c.GetString("identify")
|
||
doc_id,_ := c.GetInt("doc_id")
|
||
|
||
if identify == "" {
|
||
c.JsonResult(6001,"参数错误")
|
||
}
|
||
|
||
|
||
name := "editormd-file-file"
|
||
|
||
file,moreFile,err := c.GetFile(name)
|
||
if err == http.ErrMissingFile {
|
||
name = "editormd-image-file"
|
||
file,moreFile,err = c.GetFile(name);
|
||
if err == http.ErrMissingFile {
|
||
c.JsonResult(6003,"没有发现需要上传的文件")
|
||
}
|
||
}
|
||
if err != nil {
|
||
c.JsonResult(6002,err.Error())
|
||
}
|
||
|
||
defer file.Close()
|
||
|
||
ext := filepath.Ext(moreFile.Filename)
|
||
|
||
if ext == "" {
|
||
c.JsonResult(6003,"无法解析文件的格式")
|
||
}
|
||
|
||
if !conf.IsAllowUploadFileExt(ext) {
|
||
c.JsonResult(6004,"不允许的文件类型")
|
||
}
|
||
|
||
book,err := models.NewBookResult().FindByIdentify(identify,c.Member.MemberId)
|
||
|
||
if err != nil {
|
||
beego.Error("DocumentController.Edit => ",err)
|
||
if err == orm.ErrNoRows {
|
||
c.JsonResult(6006,"权限不足")
|
||
}
|
||
c.JsonResult(6001,err.Error())
|
||
}
|
||
//如果没有编辑权限
|
||
if book.RoleId != conf.BookEditor && book.RoleId != conf.BookAdmin && book.RoleId != conf.BookFounder {
|
||
c.JsonResult(6006,"权限不足")
|
||
}
|
||
if doc_id > 0 {
|
||
doc,err := models.NewDocument().Find(doc_id);
|
||
if err != nil {
|
||
c.JsonResult(6007,"文档不存在")
|
||
}
|
||
if doc.BookId != book.BookId {
|
||
c.JsonResult(6008,"文档不属于指定的项目")
|
||
}
|
||
}
|
||
|
||
fileName := "attachment_" + strconv.FormatInt(time.Now().UnixNano(), 16)
|
||
|
||
filePath := "uploads/" + time.Now().Format("200601") + "/" + fileName + ext
|
||
|
||
path := filepath.Dir(filePath)
|
||
|
||
os.MkdirAll(path, os.ModePerm)
|
||
|
||
err = c.SaveToFile(name,filePath)
|
||
|
||
if err != nil {
|
||
beego.Error("SaveToFile => ",err)
|
||
c.JsonResult(6005,"保存文件失败")
|
||
}
|
||
attachment := models.NewAttachment()
|
||
attachment.BookId = book.BookId
|
||
attachment.FileName = moreFile.Filename
|
||
attachment.CreateAt = c.Member.MemberId
|
||
attachment.FileExt = ext
|
||
attachment.FilePath = filePath
|
||
if doc_id > 0{
|
||
attachment.DocumentId = doc_id
|
||
}
|
||
|
||
if strings.EqualFold(ext,".jpg") || strings.EqualFold(ext,".jpeg") || strings.EqualFold(ext,"png") || strings.EqualFold(ext,"gif") {
|
||
attachment.HttpPath = c.BaseUrl() + "/" + filePath
|
||
}
|
||
|
||
err = attachment.Insert();
|
||
|
||
if err != nil {
|
||
os.Remove(filePath)
|
||
beego.Error("Attachment Insert => ",err)
|
||
c.JsonResult(6006,"文件保存失败")
|
||
}
|
||
if attachment.HttpPath == "" {
|
||
attachment.HttpPath = c.BaseUrl() + beego.URLFor("DocumentController.DownloadAttachment",":key", identify, ":attach_id", attachment.AttachmentId)
|
||
|
||
if err := attachment.Update();err != nil {
|
||
beego.Error("SaveToFile => ",err)
|
||
c.JsonResult(6005,"保存文件失败")
|
||
}
|
||
}
|
||
|
||
result := map[string]interface{}{
|
||
"errcode" : 0,
|
||
"success" : 1,
|
||
"message" :"ok",
|
||
"url" : attachment.HttpPath,
|
||
"alt" : attachment.FileName,
|
||
}
|
||
|
||
c.Data["json"] = result
|
||
c.ServeJSON(true)
|
||
c.StopRun()
|
||
}
|
||
|
||
//DownloadAttachment 下载附件.
|
||
func (c *DocumentController) DownloadAttachment() {
|
||
c.Prepare()
|
||
|
||
identify := c.Ctx.Input.Param(":key")
|
||
attach_id,_ := strconv.Atoi(c.Ctx.Input.Param(":attach_id"))
|
||
token := c.GetString("token")
|
||
|
||
member_id := 0
|
||
|
||
if c.Member != nil {
|
||
member_id = c.Member.MemberId
|
||
}
|
||
book_id := 0
|
||
|
||
//判断用户是否参与了项目
|
||
bookResult,err := models.NewBookResult().FindByIdentify(identify,member_id)
|
||
|
||
if err != nil {
|
||
//判断项目公开状态
|
||
book,err := models.NewBook().FindByFieldFirst("identify",identify)
|
||
if err != nil {
|
||
c.Abort("404")
|
||
}
|
||
//如果项目是私有的，并且token不正确
|
||
if (book.PrivatelyOwned == 1 && token == "" ) || ( book.PrivatelyOwned == 1 && book.PrivateToken != token ){
|
||
c.Abort("403")
|
||
}
|
||
book_id = book.BookId
|
||
}else{
|
||
book_id = bookResult.BookId
|
||
}
|
||
|
||
attachment,err := models.NewAttachment().Find(attach_id)
|
||
|
||
if err != nil {
|
||
beego.Error("DownloadAttachment => ", err)
|
||
if err == orm.ErrNoRows {
|
||
c.Abort("404")
|
||
} else {
|
||
c.Abort("500")
|
||
}
|
||
}
|
||
if attachment.BookId != book_id {
|
||
c.Abort("404")
|
||
}
|
||
c.Ctx.Output.Download(attachment.FilePath,attachment.FileName)
|
||
|
||
c.StopRun()
|
||
}
|
||
|
||
//删除文档.
|
||
func (c *DocumentController) Delete() {
|
||
c.Prepare()
|
||
|
||
identify := c.GetString("identify")
|
||
doc_id,err := c.GetInt("doc_id",0)
|
||
|
||
bookResult,err := models.NewBookResult().FindByIdentify(identify,c.Member.MemberId)
|
||
|
||
if err != nil || bookResult.RoleId == conf.BookObserver {
|
||
beego.Error("FindByIdentify => ",err)
|
||
c.JsonResult(6002,"项目不存在或权限不足")
|
||
}
|
||
|
||
if doc_id <= 0 {
|
||
c.JsonResult(6001,"参数错误")
|
||
}
|
||
|
||
doc,err := models.NewDocument().Find(doc_id)
|
||
|
||
if err != nil {
|
||
beego.Error("Delete => ",err)
|
||
c.JsonResult(6003,"删除失败")
|
||
}
|
||
if doc.BookId != bookResult.BookId {
|
||
c.JsonResult(6004,"参数错误")
|
||
}
|
||
err = doc.RecursiveDocument(doc.DocumentId)
|
||
if err != nil {
|
||
c.JsonResult(6005,"删除失败")
|
||
}
|
||
//重置文档数量统计
|
||
models.NewBook().ResetDocumentNumber(doc.BookId)
|
||
c.JsonResult(0,"ok")
|
||
}
|
||
|
||
//获取文档内容.
|
||
func (c *DocumentController) Content() {
|
||
c.Prepare()
|
||
|
||
identify := c.Ctx.Input.Param(":key")
|
||
doc_id,err := c.GetInt("doc_id")
|
||
|
||
if err != nil {
|
||
doc_id,_ = strconv.Atoi(c.Ctx.Input.Param(":id"))
|
||
}
|
||
|
||
bookResult,err := models.NewBookResult().FindByIdentify(identify,c.Member.MemberId)
|
||
|
||
if err != nil || bookResult.RoleId == conf.BookObserver {
|
||
beego.Error("FindByIdentify => ",err)
|
||
c.JsonResult(6002,"项目不存在或权限不足")
|
||
}
|
||
|
||
if doc_id <= 0 {
|
||
c.JsonResult(6001,"参数错误")
|
||
}
|
||
|
||
if c.Ctx.Input.IsPost() {
|
||
markdown := strings.TrimSpace(c.GetString("markdown",""))
|
||
content := c.GetString("html")
|
||
version,_ := c.GetInt64("version",0)
|
||
is_cover := c.GetString("cover")
|
||
|
||
doc ,err := models.NewDocument().Find(doc_id);
|
||
|
||
if err != nil {
|
||
c.JsonResult(6003,"读取文档错误")
|
||
}
|
||
if doc.BookId != bookResult.BookId {
|
||
c.JsonResult(6004,"保存的文档不属于指定项目")
|
||
}
|
||
if doc.Version != version && !strings.EqualFold(is_cover,"yes"){
|
||
beego.Info("%d|",version,doc.Version)
|
||
c.JsonResult(6005,"文档已被修改确定要覆盖吗？")
|
||
}
|
||
if markdown == "" && content != ""{
|
||
doc.Markdown = content
|
||
}else{
|
||
doc.Markdown = markdown
|
||
}
|
||
doc.Version = time.Now().Unix()
|
||
doc.Content = content
|
||
if err := doc.InsertOrUpdate();err != nil {
|
||
beego.Error("InsertOrUpdate => ",err)
|
||
c.JsonResult(6006,"保存失败")
|
||
}
|
||
|
||
c.JsonResult(0,"ok",doc)
|
||
}
|
||
doc,err := models.NewDocument().Find(doc_id)
|
||
|
||
if err != nil {
|
||
c.JsonResult(6003,"文档不存在")
|
||
}
|
||
c.JsonResult(0,"ok",doc)
|
||
}
|
||
|
||
//导出文件
|
||
func (c *DocumentController) Export() {
|
||
c.Prepare()
|
||
c.TplName = "document/export.tpl"
|
||
|
||
identify := c.Ctx.Input.Param(":key")
|
||
|
||
output := c.GetString("output")
|
||
|
||
token := c.GetString("token")
|
||
|
||
if identify == "" {
|
||
c.Abort("404")
|
||
}
|
||
//如果没有开启你们访问则跳转到登录
|
||
if !c.EnableAnonymous && c.Member == nil {
|
||
c.Redirect(beego.URLFor("AccountController.Login"),302)
|
||
return
|
||
}
|
||
book := isReadable(identify,token,c)
|
||
|
||
if book.PrivatelyOwned == 1 {
|
||
|
||
}
|
||
|
||
docs, err := models.NewDocument().FindListByBookId(book.BookId)
|
||
|
||
if err != nil {
|
||
beego.Error(err)
|
||
c.Abort("500")
|
||
}
|
||
|
||
if output == "pdf" {
|
||
|
||
exe := beego.AppConfig.String("wkhtmltopdf")
|
||
|
||
if exe == "" {
|
||
c.TplName = "errors/error.tpl";
|
||
c.Data["ErrorMessage"] = "没有配置PDF导出程序"
|
||
c.Data["ErrorCode"] = 50010
|
||
return
|
||
}
|
||
dpath := "cache/" + book.Identify
|
||
|
||
os.MkdirAll(dpath, 0766)
|
||
|
||
pathList := list.New()
|
||
|
||
RecursiveFun(0, "", dpath, c, book, docs, pathList)
|
||
|
||
//defer os.RemoveAll(dpath)
|
||
|
||
os.MkdirAll("./cache", 0766)
|
||
pdfpath := "cache/" + identify + ".pdf"
|
||
|
||
if _,err := os.Stat(pdfpath); os.IsNotExist(err){
|
||
paths := make([]string, len(docs))
|
||
index := 0
|
||
for e := pathList.Front(); e != nil; e = e.Next() {
|
||
paths[index] = e.Value.(string)
|
||
index ++
|
||
}
|
||
|
||
beego.Info(paths,pdfpath)
|
||
|
||
utils.ConverterHtmlToPdf(paths, pdfpath)
|
||
}
|
||
|
||
c.Ctx.Output.Download(pdfpath, identify + ".pdf")
|
||
|
||
c.StopRun()
|
||
}
|
||
|
||
c.StopRun()
|
||
}
|
||
|
||
//递归生成文档序列数组.
|
||
func RecursiveFun(parent_id int,prefix,dpath string,c *DocumentController,book *models.BookResult,docs []*models.Document,paths *list.List) {
|
||
for _, item := range docs {
|
||
if item.ParentId == parent_id {
|
||
name := prefix + strconv.Itoa(item.ParentId) + strconv.Itoa(item.OrderSort) + strconv.Itoa(item.DocumentId)
|
||
fpath := dpath + "/" + name + ".html"
|
||
paths.PushBack(fpath)
|
||
|
||
|
||
f, err := os.OpenFile(fpath, os.O_CREATE|os.O_RDWR, 0777)
|
||
|
||
if err != nil {
|
||
beego.Error(err)
|
||
c.Abort("500")
|
||
}
|
||
|
||
html, err := c.ExecuteViewPathTemplate("document/export.tpl", map[string]interface{}{"Model" : book, "Lists":item,"BaseUrl" : c.BaseUrl()})
|
||
if err != nil {
|
||
f.Close()
|
||
beego.Error(err)
|
||
c.Abort("500")
|
||
}
|
||
beego.Info(fpath,html)
|
||
f.WriteString(html)
|
||
f.Close()
|
||
|
||
for _, sub := range docs {
|
||
if sub.ParentId == item.DocumentId {
|
||
RecursiveFun(item.DocumentId,name,dpath,c,book,docs,paths)
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|