stefanoj3 /
dirstalk
| Total Lines | 49 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
| 1 | package output |
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| 2 | |||
| 3 | import ( |
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| 4 | "fmt" |
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| 5 | "io" |
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| 6 | "os" |
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| 7 | |||
| 8 | "github.com/pkg/errors" |
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| 9 | "github.com/stefanoj3/dirstalk/pkg/scan" |
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| 10 | ) |
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| 11 | |||
| 12 | var ( |
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| 13 | errNilWriteCloser = errors.New("Saver: writeCloser is nil") |
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| 14 | ) |
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| 15 | |||
| 16 | func NewFileSaver(path string) (Saver, error) { |
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| 17 | file, err := os.Create(path) |
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| 18 | if err != nil { |
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| 19 | return Saver{}, errors.Wrapf(err, "failed to create file `%s` for output", path) |
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| 20 | } |
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| 21 | |||
| 22 | return Saver{writeCloser: file}, nil |
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| 23 | } |
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| 24 | |||
| 25 | type Saver struct { |
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| 26 | writeCloser io.WriteCloser |
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| 27 | } |
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| 28 | |||
| 29 | func (f Saver) Save(r scan.Result) error { |
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| 30 | if f.writeCloser == nil { |
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| 31 | return errNilWriteCloser |
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| 32 | } |
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| 33 | |||
| 34 | rawResult, err := convertResultToRawData(r) |
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| 35 | if err != nil { |
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| 36 | return errors.Wrap(err, "Saver: failed to convert result") |
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| 37 | } |
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| 38 | |||
| 39 | _, err = fmt.Fprintln(f.writeCloser, string(rawResult)) |
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| 40 | |||
| 41 | return errors.Wrapf(err, "Saver: failed to write result: %s", rawResult) |
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| 42 | } |
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| 43 | |||
| 44 | func (f Saver) Close() error { |
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| 45 | if f.writeCloser == nil { |
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| 46 | return errNilWriteCloser |
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| 47 | } |
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| 48 | |||
| 49 | return f.writeCloser.Close() |
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| 50 | } |
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| 51 |
