72 lines
1.3 KiB
Go
72 lines
1.3 KiB
Go
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package utils
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import (
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"encoding/json"
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"io/ioutil"
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"os"
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"path/filepath"
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"time"
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"golang.org/x/xerrors"
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)
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const (
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lastUpdatedFile = "last_updated.json"
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)
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var (
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lastUpdatedFilePath = filepath.Join(VulnListDir(), lastUpdatedFile)
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)
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type LastUpdated map[string]time.Time
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func GetLastUpdatedDate(dist string) (time.Time, error) {
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lastUpdated, err := getLastUpdatedDate()
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if err != nil {
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return time.Time{}, err
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}
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t, ok := lastUpdated[dist]
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if !ok {
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return time.Unix(0, 0), nil
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}
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return t, nil
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}
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func getLastUpdatedDate() (map[string]time.Time, error) {
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lastUpdated := LastUpdated{}
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if _, err := os.Stat(lastUpdatedFilePath); os.IsNotExist(err) {
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return lastUpdated, nil
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}
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f, err := os.Open(lastUpdatedFilePath)
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if err != nil {
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return nil, err
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}
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if err = json.NewDecoder(f).Decode(&lastUpdated); err != nil {
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return nil, err
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}
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return lastUpdated, nil
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}
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func SetLastUpdatedDate(dist string, lastUpdatedDate time.Time) error {
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lastUpdated, err := getLastUpdatedDate()
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if err != nil {
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return xerrors.Errorf("failed to get last updated date: %w", err)
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}
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lastUpdated[dist] = lastUpdatedDate
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b, err := json.MarshalIndent(lastUpdated, "", " ")
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if err != nil {
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return err
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}
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if err = ioutil.WriteFile(lastUpdatedFilePath, b, 0600); err != nil {
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return xerrors.Errorf("failed to write last updated date: %w", err)
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}
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return nil
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}
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