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ebook.go
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ebook.go
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package app
import (
"context"
"fmt"
"strings"
"sync"
"github.com/wailsapp/wails/v2/pkg/runtime"
"github.com/yann0917/dedao-gui/backend/services"
"github.com/yann0917/dedao-gui/backend/utils"
)
func EbookDetail(enID string) (detail *services.EbookDetail, err error) {
detail, err = getService().EbookDetail(enID)
return
}
// EbookCommentList get ebook 评分&书评
// sort like_count
func EbookCommentList(enID, sort string, page, limit int) (list *services.EbookCommentList, err error) {
list, err = getService().EbookCommentList(enID, sort, page, limit)
return
}
// EbookShelfAdd 加入书架
func EbookShelfAdd(enIDs []string) (resp *services.EbookShelfAddResp, err error) {
resp, err = getService().EbookShelfAdd(enIDs)
return
}
// EbookShelfRemove 移出书架
func EbookShelfRemove(enIDs []string) (resp *services.EbookShelfAddResp, err error) {
resp, err = getService().EbookShelfRemove(enIDs)
return
}
func EbookInfo(enID string) (info *services.EbookInfo, err error) {
token, err1 := getService().EbookReadToken(enID)
if err1 != nil {
err = err1
return
}
info, err = getService().EbookInfo(token.Token)
return
}
func EbookPage(ctx context.Context, enID string) (info *services.EbookInfo, svgContent utils.SvgContents, err error) {
token, err1 := getService().EbookReadToken(enID)
if err1 != nil {
err = err1
return
}
info, err = getService().EbookInfo(token.Token)
if err != nil {
return
}
wgp := utils.NewWaitGroupPool(10)
total, curr := len(info.BookInfo.Orders), 0
var chapterMap sync.Map
for _, ebookToc := range info.BookInfo.Toc {
key := ebookToc.Href
href := strings.Split(ebookToc.Href, "#")
if len(href) > 1 {
key = href[0]
}
chapterMap.Store(key, ebookToc)
}
for i, order := range info.BookInfo.Orders {
var progress Progress
progress.Total = total
curr++
progress.Current = curr
progress.Pct = curr * 100 / progress.Total
value, ok := chapterMap.Load(order.ChapterID)
if ok {
progress.Value = value.(utils.EbookToc).Text
chapterMap.Delete(order.ChapterID)
}
runtime.EventsEmit(ctx, "ebookDownload", progress)
wgp.Add()
go func(i int, order services.EbookOrders) {
defer func() {
wgp.Done()
}()
index, count, offset := 0, 20, 0
svgList, err1 := generateEbookPages(order.ChapterID, token.Token, index, count, offset)
if err1 != nil {
err = err1
return
}
svgContent = append(svgContent, &utils.SvgContent{
Contents: svgList,
ChapterID: order.ChapterID,
PathInEpub: order.PathInEpub,
OrderIndex: i,
})
}(i, order)
}
wgp.Wait()
return
}
func generateEbookPages(chapterID, token string, index, count, offset int) (svgList []string, err error) {
fmt.Printf("chapterID:%#v\n", chapterID)
pageList, err := getService().EbookPages(chapterID, token, index, count, offset)
if err != nil {
return
}
for _, item := range pageList.Pages {
svgList = append(svgList, item.Svg)
}
// fmt.Printf("IsEnd:%#v\n", pageList.IsEnd)
if !pageList.IsEnd {
index = count
count += 20
list, err1 := generateEbookPages(chapterID, token, index, count, offset)
if err1 != nil {
err = err1
return
}
svgList = append(svgList, list...)
}
// FIXME: debug
// err = utils.SaveFile(OutputDir, chapterID, "", strings.Join(svgList, "\n"))
return
}