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package cmd |
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import ( |
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"fmt" |
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"io" |
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"os" |
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"github.com/pkg/errors" |
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"github.com/spf13/cobra" |
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"github.com/stefanoj3/dirstalk/pkg/dictionary" |
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) |
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func NewGenerateDictionaryCommand() *cobra.Command { |
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cmd := &cobra.Command{ |
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Use: "dictionary.generate [path]", |
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Short: "Generate a dictionary from the given folder", |
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RunE: buildGenerateDictionaryFunc(), |
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} |
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cmd.Flags().StringP( |
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flagOutput, |
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flagOutputShort, |
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"", |
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fmt.Sprintf("where to write the dictionary"), |
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) |
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cmd.Flags().BoolP( |
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flagAbsolutePathOnly, |
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"", |
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false, |
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"determines if the dictionary should contain only the absolute path of the files", |
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) |
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return cmd |
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} |
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func buildGenerateDictionaryFunc() func(cmd *cobra.Command, args []string) error { |
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f := func(cmd *cobra.Command, args []string) error { |
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p, err := getPath(args) |
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if err != nil { |
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return err |
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} |
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out, err := getOutputForDictionaryGenerator(cmd) |
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if err != nil { |
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return err |
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} |
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absolutePathOnly, err := cmd.Flags().GetBool(flagAbsolutePathOnly) |
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if err != nil { |
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return errors.Wrapf(err, "failed to retrieve %s flag", flagAbsolutePathOnly) |
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} |
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generator := dictionary.NewGenerator(out) |
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return generator.GenerateDictionaryFrom(p, absolutePathOnly) |
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} |
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return f |
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} |
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func getOutputForDictionaryGenerator(cmd *cobra.Command) (io.Writer, error) { |
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output := cmd.Flag(flagOutput).Value.String() |
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if output == "" { |
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return os.Stdout, nil |
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} |
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file, err := os.OpenFile(output, os.O_CREATE|os.O_WRONLY, 0666) |
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if err != nil { |
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return nil, errors.Wrap(err, "cannot write on the path provided") |
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} |
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return file, nil |
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} |
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func getPath(args []string) (string, error) { |
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if len(args) == 0 { |
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return "", errors.New("no path provided") |
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} |
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81
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path := args[0] |
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fileInfo, err := os.Stat(path) |
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if err != nil { |
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return "", errors.Wrap(err, "unable to use the provided path") |
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} |
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if !fileInfo.IsDir() { |
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return "", errors.New("the path should be a directory") |
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} |
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return path, nil |
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} |
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stefanoj3 /
dirstalk
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