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handler_foxbook.go
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/
handler_foxbook.go
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package main
import (
"fmt"
"log"
"net/http"
"net/url"
"os"
"path/filepath"
"strconv"
"strings"
"time"
"github.com/linpinger/golib/ebook"
"github.com/linpinger/golib/tool"
)
type HandlerFoxBook struct {
shelfPath string
shelf *ebook.Shelf
cookiePath string
posDirList []string
}
func NewHandlerFoxBook(posibleDirList []string, cookieFilePath string) http.Handler {
fbh := &HandlerFoxBook{shelfPath: "./FoxBook.fml", cookiePath: cookieFilePath, posDirList: GetUniqDirList(posibleDirList)}
if tool.FileExist(fbh.shelfPath) {
fbh.shelf = ebook.NewShelf(fbh.shelfPath)
}
return fbh
}
func (fbh *HandlerFoxBook) getShelfListHtml(nowT string) string {
nowFullPath, _ := filepath.Abs(fbh.shelfPath)
nowShelfDir := filepath.Dir(nowFullPath)
nowShelfName := filepath.Base(nowFullPath)
html := ""
for _, nowDir := range fbh.posDirList {
nowDir, _ = filepath.Abs(nowDir)
fmls := FindExtInDir(".fml", nowDir)
if len(fmls) > 0 {
html += nowDir + " > "
for _, nowFML := range fmls {
if nowFML == nowShelfName && nowShelfDir == nowDir {
html += " <b>" + nowFML + "</b>"
} else {
html += fmt.Sprintf(" <a href=\"?a=fswitchsh&f=%s&t=%s\">%s</a>", url.QueryEscape(nowDir+string(os.PathSeparator)+nowFML), nowT, nowFML)
}
}
html += "<br>\n"
}
}
return html
}
func (fbh *HandlerFoxBook) getIDX(idxStr string) int {
var idx int = -1
if "" != idxStr {
idx, _ = strconv.Atoi(idxStr)
}
return idx
}
func (fbh *HandlerFoxBook) writeHtmlContent(w http.ResponseWriter, bookIDX int, pageIDX int) {
fmt.Fprint(w, HtmlHead)
page := fbh.shelf.Books[bookIDX].Chapters[pageIDX]
fmt.Fprintf(w, "\t<title>%s</title>\n\t<style>\n%s\t</style>\n%s\n%s\n", string(page.Pagename), StyleLP, PageJS, HtmlHeadBodyC)
fmt.Fprintf(w, "<center><h3>%s</h3></center>\n", page.Pagename)
fmt.Fprint(w, "<div class=\"content\" style=\"line-height:150%;\">\n")
for _, line := range strings.Split(string(page.Content), "\n") {
fmt.Fprintf(w, "<p>%s</p>\n", line)
}
fmt.Fprint(w, "</div>\n")
fmt.Fprintf(w, "<p> %s</p>\n", page.Pagename)
// 上一 bookDIX, pageIDX
pBookIDX := bookIDX
pPageIDX := pageIDX - 1
for {
if pPageIDX < 0 {
pBookIDX = pBookIDX - 1
if pBookIDX < 0 {
pBookIDX = 0
if pPageIDX < 0 {
pPageIDX = 0
break
}
}
pPageIDX = len(fbh.shelf.Books[pBookIDX].Chapters) - 1
if pPageIDX >= 0 {
break
}
} else {
break
}
}
// 下一 bookDIX, pageIDX
nBookIDX := bookIDX
nPageIDX := pageIDX + 1
for {
if nPageIDX >= len(fbh.shelf.Books[nBookIDX].Chapters) {
nBookIDX = nBookIDX + 1
if nBookIDX >= len(fbh.shelf.Books) {
nBookIDX = len(fbh.shelf.Books) - 1
nPageIDX = pageIDX - 1
break
} else {
nPageIDX = 0
}
} else {
break
}
}
fmt.Fprint(w, "<div class=\"book_switch\">\n")
fmt.Fprint(w, "\t<ul>\n")
fmt.Fprintf(w, "\t\t<li><a href=\"?a=flp&b=%d&c=%d\">上一章</a></li>\n", pBookIDX, pPageIDX)
fmt.Fprintf(w, "\t\t<li><a href=\"?a=flb&b=%d\">返回目录</a></li>\n", bookIDX)
fmt.Fprint(w, "\t\t<li><a href=\"?a=fls\">返回书架</a></li>\n")
fmt.Fprintf(w, "\t\t<li><a href=\"?a=flp&b=%d&c=%d\">下一章</a></li>\n", nBookIDX, nPageIDX)
fmt.Fprint(w, "\t</ul>\n")
fmt.Fprint(w, "</div>\n<br><br>\n")
fmt.Fprint(w, HtmlFoot)
}
func (fbh *HandlerFoxBook) ServeHTTP(w http.ResponseWriter, r *http.Request) {
// log.Println(time.Now().Format("02 15:04:05"), r.RemoteAddr, "->", r.RequestURI)
log.Println(r.RemoteAddr, "->", r.RequestURI)
rPath := r.URL.Path
if strings.HasSuffix(r.RequestURI, ".mobi") || strings.HasSuffix(r.RequestURI, ".epub") { // 文件下载
http.ServeFile(w, r, filepath.Dir(fbh.shelfPath)+string(os.PathSeparator)+filepath.Base(rPath))
return
}
// 命令: 会修改命令
switch r.FormValue("a") {
case "fswitchsh": // 切换shelf
fbh.shelfPath = r.FormValue("f")
fbh.shelf = ebook.NewShelf(fbh.shelfPath)
http.Redirect(w, r, rPath, http.StatusMovedPermanently)
case "fups": // 更新
UpdateShelf(fbh.shelfPath, fbh.cookiePath)
fbh.shelf = ebook.NewShelf(fbh.shelfPath)
http.Redirect(w, r, rPath, http.StatusMovedPermanently)
case "fupt": // 更新单本目录
UpdateBookTOC(fbh.shelfPath, fbh.getIDX(r.FormValue("b")))
fbh.shelf = ebook.NewShelf(fbh.shelfPath)
http.Redirect(w, r, rPath, http.StatusMovedPermanently)
case "fcb": // 清空单本
fbh.shelf = fbh.shelf.ClearBook(fbh.getIDX(r.FormValue("b")))
http.Redirect(w, r, rPath, http.StatusMovedPermanently)
case "fsavesh": // 保存修改
fbh.shelf.Save(fbh.shelfPath) // 保存shelf
http.Redirect(w, r, rPath, http.StatusMovedPermanently)
case "ftom": // 转mobi
mobiName := strings.TrimSuffix(filepath.Base(fbh.shelfPath), filepath.Ext(fbh.shelfPath)) + ".mobi"
FML2EBook(fbh.shelfPath, filepath.Dir(fbh.shelfPath)+"/"+mobiName)
http.Redirect(w, r, strings.Replace(rPath+"/"+mobiName, "//", "/", -1), http.StatusMovedPermanently)
case "ftop":
epubName := strings.TrimSuffix(filepath.Base(fbh.shelfPath), filepath.Ext(fbh.shelfPath)) + ".epub"
FML2EBook(fbh.shelfPath, filepath.Dir(fbh.shelfPath)+"/"+epubName)
http.Redirect(w, r, strings.Replace(rPath+"/"+epubName, "//", "/", -1), http.StatusMovedPermanently)
case "fla": // 所有
fmt.Fprint(w, HtmlHead)
fmt.Fprint(w, "\t<title>TOC</title>\n\t<style>\n", StyleLI, "\t</style>\n", HtmlHeadBodyC)
for i, book := range fbh.shelf.Books {
fmt.Fprintf(w, "<b>%s</b><br>\n<ol>\n", book.Bookname)
for j, page := range book.Chapters {
fmt.Fprintf(w, "\t<li><a href=\"?a=flp&b=%d&c=%d\">%s</a> (%s)</li>\n", i, j, page.Pagename, page.Size)
}
fmt.Fprint(w, "</ol>\n")
}
fmt.Fprint(w, HtmlFoot)
case "flb": // 单本
bookIDX := fbh.getIDX(r.FormValue("b"))
fmt.Fprint(w, HtmlHead)
bookName := string(fbh.shelf.Books[bookIDX].Bookname)
fmt.Fprint(w, "\t<title>TOC of ", bookName, "</title>\n\t<style>\n", StyleLI, "\t</style>\n", HtmlHeadBodyC)
fmt.Fprint(w, "<center><h3>", bookName, "</h3></center>\n")
fmt.Fprint(w, "<ol>\n")
for j, page := range fbh.shelf.Books[bookIDX].Chapters {
fmt.Fprintf(w, "\t<li><a href=\"?a=flp&b=%d&c=%d\">%s</a> (%s)</li>\n", bookIDX, j, page.Pagename, page.Size)
}
fmt.Fprint(w, "</ol>\n")
fmt.Fprint(w, HtmlFoot)
case "flp": // 内容
bookIDX := fbh.getIDX(r.FormValue("b"))
pageIDX := fbh.getIDX(r.FormValue("c"))
fbh.writeHtmlContent(w, bookIDX, pageIDX)
default: // 列表
nowT := strconv.FormatInt(time.Now().Unix(), 10)
fmt.Fprint(w, HtmlHead)
fmt.Fprint(w, "\t<title>Shelf</title>\n\t<style>\n", StyleLI, StyleYY, "\t</style>\n", HtmlHeadBodyC)
fmt.Fprint(w, fbh.getShelfListHtml(nowT))
fmt.Fprintf(w, "\n<br>\n %s: \n", filepath.Base(fbh.shelfPath))
fmt.Fprintf(w, "<a class=\"yy\" href=\"?a=fups&t=%s\">更新Shelf</a>\n", nowT)
fmt.Fprintf(w, " <a class=\"yy\" href=\"?a=fla&t=%s\">显示所有章节</a>\n", nowT)
fmt.Fprintf(w, " <a class=\"yy\" href=\"?a=ftop&t=%s\">转Epub</a>\n", nowT)
fmt.Fprintf(w, " <a class=\"yy\" href=\"?a=ftom&t=%s\">转Mobi</a>\n", nowT)
fmt.Fprintf(w, " <a class=\"yy\" href=\"?a=fsavesh&t=%s\" title=\"当清空某书后,可保存修改\">保存</a>\n", nowT)
if nil != fbh.shelf {
fmt.Fprint(w, "\n<br>\n\n<ol>\n")
for i, book := range fbh.shelf.Books {
fmt.Fprintf(w, "\t<li><a href=\"?a=flb&b=%d\" title=\"%s\">%s</a> (%d) <a class=\"yy\" href=\"?a=fcb&b=%d&t=%s\">清空本书</a> <a class=\"yy\" href=\"?a=fupt&b=%d&t=%s\">更新目录</a></li>\n", i, book.Bookurl, book.Bookname, len(book.Chapters), i, nowT, i, nowT)
}
fmt.Fprint(w, "</ol>\n")
}
fmt.Fprint(w, HtmlFoot)
}
}
func GetUniqDirList(possDirs []string) []string { // 将dirList中的路径abs,去重,返回
var oDirs []string
var tmpMap map[string]int = make(map[string]int)
var tmpABS string
for _, sdir := range possDirs {
tmpABS, _ = filepath.Abs(sdir)
tmpMap[tmpABS] = 1
}
for k, _ := range tmpMap {
oDirs = append(oDirs, k)
}
return oDirs
}
func FindExtInDir(sExt string, dirName string) []string {
var fNameList []string
d, err := os.Open(dirName)
if err != nil {
return fNameList
}
aList, _ := d.Readdirnames(0)
for _, fn := range aList {
if strings.HasSuffix(fn, sExt) {
fNameList = append(fNameList, fn)
}
}
defer d.Close()
return fNameList
}
// func FindExtInDirB(sExt string, dirName string) []string {
// var fNameList []string
// if tool.FileExist(dirName) {
// fis, _ := tool.ReadDir(dirName)
// for _, fi := range fis {
// if strings.HasSuffix(fi.Name(), sExt) {
// fNameList = append(fNameList, fi.Name())
// }
// }
// }
// return fNameList
// }
/*
func main() {
http.Handle("/fb/", NewHandlerFoxBook([]string{`.`, `T:\x`}, `T:\x\FoxBook.cookie`))
err := http.ListenAndServe("127.0.0.1:8081", nil)
if err != nil {
fmt.Println("ListenAndServe: ", err)
}
}
*/