noah
04a1f33cb1
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77 lines
2.1 KiB
Go
77 lines
2.1 KiB
Go
package converter
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import (
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"fmt"
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"path/filepath"
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"strings"
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"github.com/noauf/transmute-cli/internal/detect"
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)
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// Result holds the outcome of a single conversion.
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type Result struct {
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InputPath string
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OutputPath string
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Err error
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}
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// Convert is the main entry point. It routes to the correct converter based on
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// the source file's category.
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func Convert(inputPath, targetFormat, outputDir string) Result {
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ext := strings.TrimPrefix(filepath.Ext(inputPath), ".")
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ext = strings.ToLower(ext)
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cat := detect.DetectCategory(ext)
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// Determine output path
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base := strings.TrimSuffix(filepath.Base(inputPath), filepath.Ext(inputPath))
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dir := filepath.Dir(inputPath)
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if outputDir != "" {
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dir = outputDir
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}
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outPath := filepath.Join(dir, base+"."+targetFormat)
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// Avoid overwriting — append _converted if output == input
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if outPath == inputPath {
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outPath = filepath.Join(dir, base+"_converted."+targetFormat)
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}
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var err error
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switch cat {
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case detect.CategoryImage:
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err = convertImage(inputPath, outPath, targetFormat)
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case detect.CategoryDocument:
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err = convertDocument(inputPath, outPath, ext, targetFormat)
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case detect.CategoryAudio, detect.CategoryVideo:
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err = convertMedia(inputPath, outPath, targetFormat)
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case detect.CategoryData:
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err = convertData(inputPath, outPath, ext, targetFormat)
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case detect.CategorySpreadsheet:
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err = convertSpreadsheet(inputPath, outPath, ext, targetFormat)
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case detect.CategoryFont:
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err = convertFont(inputPath, outPath, ext, targetFormat)
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default:
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err = fmt.Errorf("unsupported file type: %s", ext)
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}
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return Result{
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InputPath: inputPath,
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OutputPath: outPath,
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Err: err,
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}
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}
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// OutputPath computes what the output path would be without performing conversion.
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func OutputPath(inputPath, targetFormat, outputDir string) string {
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base := strings.TrimSuffix(filepath.Base(inputPath), filepath.Ext(inputPath))
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dir := filepath.Dir(inputPath)
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if outputDir != "" {
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dir = outputDir
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}
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outPath := filepath.Join(dir, base+"."+targetFormat)
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if outPath == inputPath {
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outPath = filepath.Join(dir, base+"_converted."+targetFormat)
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}
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return outPath
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}
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