26ca084699
This is a follow-up improvement for the following feature requests that have already shipped with our stable release: - Live Photos: Add support for Samsung Motion Photos #439 - Live Photos: Add support for Google Camera Motion Photos #1739 Signed-off-by: Michael Mayer <michael@photoprism.app>
45 lines
878 B
Go
45 lines
878 B
Go
package fs
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import (
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"errors"
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"io"
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"os"
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)
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// WriteFile writes data from a reader to a new file.
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func WriteFile(fileName string, reader io.Reader) (err error) {
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if fileName == "" {
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return errors.New("filename missing")
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} else if reader == nil {
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return errors.New("reader missing")
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}
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var f *os.File
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if f, err = os.OpenFile(fileName, os.O_WRONLY|os.O_CREATE, ModeFile); err != nil {
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return err
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}
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defer f.Close()
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if _, err = io.Copy(f, reader); err != nil {
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return err
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}
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return nil
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}
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// CacheFile writes data from a reader to a new file if it does not already exist,
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// and returns the name of the file or an error otherwise.
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func CacheFile(fileName string, reader io.Reader) (string, error) {
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if FileExistsNotEmpty(fileName) {
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return fileName, nil
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}
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if err := WriteFile(fileName, reader); err != nil {
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return "", err
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}
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return fileName, nil
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}
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