Elijah
ffea6afeb0
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33 lines
837 B
Go
33 lines
837 B
Go
package handlers
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import (
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"fmt"
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"os"
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"path/filepath"
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"regexp"
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)
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var numberSuffixRegex = regexp.MustCompile(` \(\d+\)$`)
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// GetUniquePath checks if a file or folder exists at the given baseDir with the given name.
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// If it does, it systematically appends " (1)", " (2)", etc., until it finds an available name.
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// It returns the unique filename.
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func GetUniquePath(baseDir, name string) string {
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ext := filepath.Ext(name)
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base := name[:len(name)-len(ext)]
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finalPath := filepath.Join(baseDir, name)
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if _, err := os.Stat(finalPath); os.IsNotExist(err) {
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return name
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}
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base = numberSuffixRegex.ReplaceAllString(base, "")
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for i := 1; ; i++ {
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newName := fmt.Sprintf("%s (%d)%s", base, i, ext)
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finalPath = filepath.Join(baseDir, newName)
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if _, err := os.Stat(finalPath); os.IsNotExist(err) {
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return newName
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}
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}
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}
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