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52 lines
1.0 KiB
52 lines
1.0 KiB
package recio
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import (
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"encoding/json"
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"fmt"
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"os"
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"github.com/curusarn/resh/record"
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)
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// TODO: better errors
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func (r *RecIO) OverwriteFile(fpath string, recs []record.V1) error {
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file, err := os.Create(fpath)
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if err != nil {
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return err
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}
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defer file.Close()
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return writeRecords(file, recs)
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}
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// TODO: better errors
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func (r *RecIO) AppendToFile(fpath string, recs []record.V1) error {
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file, err := os.OpenFile(fpath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
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if err != nil {
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return err
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}
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defer file.Close()
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return writeRecords(file, recs)
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}
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func writeRecords(file *os.File, recs []record.V1) error {
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for _, rec := range recs {
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jsn, err := encodeV1Record(rec)
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if err != nil {
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return err
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}
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_, err = file.Write(jsn)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func encodeV1Record(rec record.V1) ([]byte, error) {
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version := []byte("v1")
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jsn, err := json.Marshal(rec)
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if err != nil {
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return nil, fmt.Errorf("failed to encode json: %w", err)
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}
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return append(append(version, jsn...), []byte("\n")...), nil
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}
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