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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| package filekit | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
|
|
||
| "github.com/arimatakao/mdx/filekit/metadata" | ||
| "github.com/go-shiori/go-epub" | ||
| ) | ||
|
|
||
| const imageSectionTemplate = `<img src="%s" alt="%s" />` | ||
|
|
||
| type epubArchive struct { | ||
| b *epub.Epub | ||
| tempDir string | ||
| filesPaths []string | ||
| } | ||
|
|
||
| func newEpubArchive() (*epubArchive, error) { | ||
| book, err := epub.NewEpub("") | ||
| if err != nil { | ||
| return &epubArchive{}, err | ||
| } | ||
|
|
||
| dir, err := os.MkdirTemp("", "mdxepubfiles") | ||
| if err != nil { | ||
| return &epubArchive{}, err | ||
| } | ||
|
|
||
| return &epubArchive{ | ||
| b: book, | ||
| tempDir: dir, | ||
| filesPaths: []string{}, | ||
| }, nil | ||
| } | ||
|
|
||
| func (e epubArchive) WriteOnDiskAndClose(outputDir string, outputFileName string, | ||
| m metadata.Metadata) error { | ||
|
|
||
| for i, filePath := range e.filesPaths { | ||
| indexStr := fmt.Sprint(i + 1) | ||
| imageEpubPath, err := e.b.AddImage(filePath, indexStr) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| sectionStr := fmt.Sprintf(imageSectionTemplate, imageEpubPath, indexStr) | ||
| _, err = e.b.AddSection(sectionStr, indexStr, "", "") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| bookTitle := fmt.Sprintf("%s vol%s ch%s", m.CI.Title, m.CI.Volume, m.CI.Number) | ||
| e.b.SetTitle(bookTitle) | ||
|
|
||
| authors := m.P.Authors + " | " + m.P.Artists | ||
| e.b.SetAuthor(authors) | ||
|
|
||
| e.b.SetLang(m.CI.LanguageISO) | ||
|
|
||
| err := os.MkdirAll(outputDir, os.ModePerm) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| err = e.b.Write(filepath.Join(outputDir, outputFileName)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return os.RemoveAll(e.tempDir) | ||
| } | ||
|
|
||
| func (e *epubArchive) AddFile(fileName string, imageBytes []byte) error { | ||
| filePath := filepath.Join(e.tempDir, fileName) | ||
| err := os.WriteFile(filePath, imageBytes, os.ModePerm) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| e.filesPaths = append(e.filesPaths, filePath) | ||
|
|
||
| return nil | ||
| } |
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