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bookmarks.go
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/
bookmarks.go
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package ingestors
import (
"context"
"fmt"
"time"
"github.com/librariesio/depper/redis"
)
// Use to set a string bookmark for an ingestor
func setBookmark(namer Namer, bookmark string) (string, error) {
key := bookmarkKey(namer)
err := redis.Client.Set(context.Background(), key, bookmark, 0).Err()
if err != nil {
return bookmark, fmt.Errorf("Error trying to set %s bookmark to %v - %s", key, bookmark, err)
}
return bookmark, nil
}
// Use to set a datetime bookmark time for an ingestor
func setBookmarkTime(namer Namer, bookmarkTime time.Time) (time.Time, error) {
if _, err := setBookmark(namer, bookmarkTime.Format(time.RFC3339)); err != nil {
return bookmarkTime, err
}
return bookmarkTime, nil
}
// Use to get a string bookmark for an ingestor
func getBookmark(namer Namer, defaultValue string) (string, error) {
val, err := redis.Client.Get(context.Background(), bookmarkKey(namer)).Result()
if err == redis.Nil {
return defaultValue, nil
} else if err != nil {
return defaultValue, err
} else {
return val, nil
}
}
// Use to get a bookmark time for an ingestor
func getBookmarkTime(namer Namer, defaultValue time.Time) (time.Time, error) {
result, err := getBookmark(namer, defaultValue.Format(time.RFC3339))
parsed, _ := time.Parse(time.RFC3339, result)
return parsed, err
}
func bookmarkKey(namer Namer) string {
return fmt.Sprintf("depper:bookmark:%s", namer.Name())
}