59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
package metadata
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import (
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"regexp"
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"strings"
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)
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type ChangeSetExtractor struct {
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re *regexp.Regexp
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cleaner *regexp.Regexp
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saver changeSetSaver
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}
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func (e ChangeSetExtractor) Matches(line string) bool {
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return e.re.MatchString(line)
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}
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func (e ChangeSetExtractor) Extract(metadata *BackupLogMetadata, line string) {
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// Sample line: "Files: 0 new, 0 changed, 2 unmodified"
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trimmed := strings.TrimSpace(e.re.ReplaceAllString(line, ""))
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splitted := strings.Split(trimmed, ",")
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var changeset BackupLogMetadataChangeset = BackupLogMetadataChangeset{}
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changeset.Added = e.cleaner.ReplaceAllString(splitted[0], "")
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changeset.Changed = e.cleaner.ReplaceAllString(splitted[1], "")
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changeset.Unmodified = e.cleaner.ReplaceAllString(splitted[2], "")
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e.saver.Save(metadata, changeset)
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}
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type changeSetSaver interface {
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Save(metadata *BackupLogMetadata, changeset BackupLogMetadataChangeset)
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}
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type fileSaver struct{}
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func (f fileSaver) Save(metadata *BackupLogMetadata, changeset BackupLogMetadataChangeset) {
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metadata.Files = changeset
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}
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type dirsSaver struct{}
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func (d dirsSaver) Save(metadata *BackupLogMetadata, changeset BackupLogMetadataChangeset) {
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metadata.Dirs = changeset
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}
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func NewFilesExtractor() MetadatExtractor {
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return ChangeSetExtractor{
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re: regexp.MustCompile(`(?i)^Files:`),
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cleaner: regexp.MustCompile(`[^\d]`),
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saver: fileSaver{},
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}
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}
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func NewDirsExtractor() MetadatExtractor {
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return ChangeSetExtractor{
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re: regexp.MustCompile(`(?i)^Dirs:`),
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cleaner: regexp.MustCompile(`[^\d]`),
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saver: dirsSaver{},
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}
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}
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