/
writer.go
49 lines (38 loc) · 950 Bytes
/
writer.go
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package di
import (
"os"
"path/filepath"
"github.com/muonsoft/errors"
)
type Writer struct {
WorkDir string
Overwrite bool
Heading []byte
}
func NewWriter(workDir string) *Writer {
return &Writer{WorkDir: workDir}
}
func (w *Writer) WriteFile(file *File) error {
filename := w.WorkDir + "/"
if packageDirs[file.Package] != "" {
filename += packageDirs[file.Package] + "/"
}
filename += file.Name
if !w.Overwrite && isFileExist(filename) {
return errors.Errorf("cannot write to file %s: %w", filename, ErrFileAlreadyExists)
}
dir := filepath.Dir(filename)
err := os.MkdirAll(dir, 0775)
if err != nil {
return errors.Errorf("create dir %s: %w", dir, err)
}
err = os.WriteFile(filename, append(w.Heading, file.Content...), 0644)
if err != nil {
return errors.Errorf("write file %s: %w", file.Name, err)
}
return nil
}
func isFileExist(filename string) bool {
_, err := os.Stat(filename)
return err == nil
}