fix font error

.vscode/launch.json

@@ -2,12 +2,20 @@
   "version": "0.2.0",
   "configurations": [
     {
-      "name": "Debug download volume",
+      "name": "volume",
       "type": "go",
       "request": "launch",
       "mode": "auto",
       "program": "${workspaceFolder}",
       "args": ["download", "volume", "-n", "2013", "-v", "165880"]
+    },
+    {
+      "name": "novel",
+      "type": "go",
+      "request": "launch",
+      "mode": "auto",
+      "program": "${workspaceFolder}",
+      "args": ["download", "novel", "-n", "4325"]
     }
   ]
 }

cmd/download.go

@@ -1,7 +1,7 @@
 package cmd
 
 import (
-	"bilinovel-downloader/downloader"
+	"bilinovel-downloader/downloader/bilinovel"
 	"fmt"
 
 	"github.com/spf13/cobra"
@@ -60,7 +60,7 @@ func runDownloadNovel(cmd *cobra.Command, args []string) error {
 	if novelArgs.NovelId == 0 {
 		return fmt.Errorf("novel id is required")
 	}
-	err := downloader.DownloadNovel(novelArgs.NovelId, novelArgs.outputPath)
+	err := bilinovel.DownloadNovel(novelArgs.NovelId, novelArgs.outputPath)
 	if err != nil {
 		return fmt.Errorf("failed to download novel: %v", err)
 	}
@@ -75,7 +75,7 @@ func runDownloadVolume(cmd *cobra.Command, args []string) error {
 	if volumeArgs.VolumeId == 0 {
 		return fmt.Errorf("volume id is required")
 	}
-	err := downloader.DownloadVolume(volumeArgs.NovelId, volumeArgs.VolumeId, volumeArgs.outputPath)
+	err := bilinovel.DownloadVolume(volumeArgs.NovelId, volumeArgs.VolumeId, volumeArgs.outputPath)
 	if err != nil {
 		return fmt.Errorf("failed to download volume: %v", err)
 	}

cmd/package.go

@@ -1,7 +1,7 @@
 package cmd
 
 import (
-	"bilinovel-downloader/utils"
+	"bilinovel-downloader/downloader/bilinovel"
 	"fmt"
 
 	"github.com/spf13/cobra"
@@ -28,7 +28,7 @@ func init() {
 }
 
 func runPackage(cmd *cobra.Command, args []string) error {
-	err := utils.CreateEpub(pArgs.DirPath)
+	err := bilinovel.CreateEpub(pArgs.DirPath)
 	if err != nil {
 		return fmt.Errorf("failed to create epub: %v", err)
 	}

downloader/bilinovel/bilinovel.go

@@ -1,4 +1,4 @@
-package downloader
+package bilinovel
 
 import (
 	"bilinovel-downloader/model"
@@ -6,6 +6,7 @@ import (
 	"bilinovel-downloader/utils"
 	"bytes"
 	"context"
+	_ "embed"
 	"encoding/json"
 	"fmt"
 	"log"
@@ -286,6 +287,11 @@ func downloadVolume(volume *model.Volume, outputPath string) error {
 		return fmt.Errorf("failed to render cover: %v", err)
 	}
 
+	err = DownloadFont(filepath.Join(outputPath, "OEBPS/Fonts"))
+	if err != nil {
+		return fmt.Errorf("failed to download font: %v", err)
+	}
+
 	contentsXHTMLPath := filepath.Join(outputPath, "OEBPS/Text/contents.xhtml")
 	err = os.MkdirAll(path.Dir(contentsXHTMLPath), 0755)
 	if err != nil {
@@ -331,7 +337,7 @@ func downloadVolume(volume *model.Volume, outputPath string) error {
 		return fmt.Errorf("failed to create toc ncx: %v", err)
 	}
 
-	err = utils.CreateEpub(outputPath)
+	err = CreateEpub(outputPath)
 	if err != nil {
 		return fmt.Errorf("failed to create epub: %v", err)
 	}
@@ -407,6 +413,9 @@ func downloadChapterByPage(page, chapterIdx int, chapter *model.Chapter, outputP
 	content.Find(".cgo").Remove()
 	content.Find("center").Remove()
 	content.Find(".google-auto-placed").Remove()
+	if strings.Contains(resp.String(), `font-family: "read"`) {
+		content.Find("p").Last().AddClass("read-font")
+	}
 
 	content.Find("img").Each(func(i int, s *goquery.Selection) {
 		if err != nil {
@@ -420,15 +429,12 @@ func downloadChapterByPage(page, chapterIdx int, chapter *model.Chapter, outputP
 			}
 		}
 
-		fileName := filepath.Join(imgSavePath, fmt.Sprintf("%03v%s", i+1, path.Ext(imgUrl)))
+		fileName := filepath.Join(imgSavePath, fmt.Sprintf("%03v%s", len(chapter.ImageFullPaths)+1, path.Ext(imgUrl)))
 		err = DownloadImg(imgUrl, filepath.Join(outputPath, fileName))
 		if err == nil {
 			s.SetAttr("src", "../"+strings.TrimPrefix(fileName, "OEBPS/"))
 			s.RemoveAttr("class")
 			s.RemoveAttr("data-src")
-			if s.AttrOr("alt", "") == "" {
-				s.SetAttr("alt", fmt.Sprintf("image-%03d", i+1))
-			}
 			chapter.ImageFullPaths = append(chapter.ImageFullPaths, filepath.Join(outputPath, fileName))
 			chapter.ImageOEBPSPaths = append(chapter.ImageOEBPSPaths, strings.TrimPrefix(fileName, "OEBPS/"))
 		}
@@ -524,7 +530,7 @@ func CreateContentOPF(dirPath string, uuid string, volume *model.Volume) error {
 		Metas: []model.DublinCoreMeta{
 			{
 				Name:    "cover",
-				Content: fmt.Sprintf("Images/cover%s", path.Ext(volume.Cover)),
+				Content: "images-cover" + path.Ext(volume.Cover),
 			},
 			{
 				Property: "dcterms:modified",
@@ -549,21 +555,26 @@ func CreateContentOPF(dirPath string, uuid string, volume *model.Volume) error {
 		Media: "application/x-dtbncx+xml",
 	})
 	manifest.Items = append(manifest.Items, model.ManifestItem{
-		ID:    "cover",
+		ID:    "cover.xhtml",
 		Link:  "Text/cover.xhtml",
 		Media: "application/xhtml+xml",
 	})
 	manifest.Items = append(manifest.Items, model.ManifestItem{
-		ID:         "contents",
+		ID:         "contents.xhtml",
 		Link:       "Text/contents.xhtml",
 		Media:      "application/xhtml+xml",
 		Properties: "nav",
 	})
 	manifest.Items = append(manifest.Items, model.ManifestItem{
-		ID:    "images-cover",
+		ID:    "images-cover" + path.Ext(volume.Cover),
 		Link:  fmt.Sprintf("Images/cover%s", path.Ext(volume.Cover)),
 		Media: fmt.Sprintf("image/%s", strings.ReplaceAll(strings.TrimPrefix(path.Ext(volume.Cover), "."), "jpg", "jpeg")),
 	})
+	manifest.Items = append(manifest.Items, model.ManifestItem{
+		ID:    "read.ttf",
+		Link:  "Fonts/read.ttf",
+		Media: "application/vnd.ms-opentype",
+	})
 	for _, chapter := range volume.Chapters {
 		manifest.Items = append(manifest.Items, model.ManifestItem{
 			ID:    path.Base(chapter.TextOEBPSPath),
@@ -655,3 +666,23 @@ func CreateTocNCX(dirPath string, uuid string, volume *model.Volume) error {
 	}
 	return nil
 }
+
+//go:embed read.ttf
+var readTTF []byte
+
+func DownloadFont(outputPath string) error {
+	log.Printf("Writing Font: %s", outputPath)
+
+	fontPath := filepath.Join(outputPath, "read.ttf")
+	err := os.MkdirAll(path.Dir(fontPath), 0755)
+	if err != nil {
+		return fmt.Errorf("failed to create font directory: %v", err)
+	}
+
+	err = os.WriteFile(fontPath, readTTF, 0644)
+	if err != nil {
+		return fmt.Errorf("failed to write font: %v", err)
+	}
+
+	return nil
+}

downloader/bilinovel/epub.go

@@ -1,14 +1,16 @@
-package utils
+package bilinovel
 
 import (
 	"archive/zip"
-	"bilinovel-downloader/template"
 	"io"
+	"log"
 	"os"
 	"path/filepath"
 )
 
 func CreateEpub(path string) error {
+	log.Printf("Creating epub for %s", path)
+
 	savePath := path + ".epub"
 	zipFile, err := os.Create(savePath)
 	if err != nil {
@@ -29,7 +31,7 @@ func CreateEpub(path string) error {
 		return err
 	}
 
-	err = addStringToZip(zipWriter, "OEBPS/Styles/style.css", template.StyleCSS, zip.Deflate)
+	err = addStringToZip(zipWriter, "OEBPS/Styles/style.css", StyleCSS, zip.Deflate)
 	if err != nil {
 		return err
 	}
@@ -81,6 +83,9 @@ func addStringToZip(zipWriter *zip.Writer, relPath, content string, method uint1
 
 func addDirContentToZip(zipWriter *zip.Writer, dirPath string, method uint16) error {
 	return filepath.Walk(dirPath, func(filePath string, info os.FileInfo, err error) error {
+		if filepath.Base(filePath) == "volume.json" {
+			return nil
+		}
 		if err != nil {
 			return err
 		}

downloader/bilinovel/style.css.go

@@ -1,6 +1,15 @@
-package template
+package bilinovel
 
 const StyleCSS = `
+@font-face {
+  font-family: "MI LANTING";
+  src: url(../Fonts/read.ttf);
+}
+
+.read-font {
+  font-family: "MI LANTING", serif !important;
+}
+
 body > div {
   margin: 0 auto;
   padding: 20px;