scrobblerlog: use camelcase for constants

pkg/scrobblerlog/parser.go

@@ -45,16 +45,16 @@ import (
 type TZInfo string
 
 const (
-	TZ_UNKNOWN TZInfo = "UNKNOWN"
-	TZ_UTC     TZInfo = "UTC"
+	TimezoneUnknown TZInfo = "UNKNOWN"
+	TimezoneUTC     TZInfo = "UTC"
 )
 
 // L if listened at least 50% or S if skipped
 type Rating string
 
 const (
-	RATING_LISTENED Rating = "L"
-	RATING_SKIPPED  Rating = "S"
+	RatingListened Rating = "L"
+	RatingSkipped  Rating = "S"
 )
 
 // A single entry of a track in the scrobbler log file.
@@ -75,7 +75,7 @@ type ScrobblerLog struct {
 	Client  string
 	Records []Record
 	// Timezone to be used for timestamps in the log file,
-	// if TZ is set to [TZ_UNKNOWN].
+	// if TZ is set to [TimezoneUnknown].
 	FallbackTimezone *time.Location
 }
 
@@ -116,7 +116,7 @@ func (l *ScrobblerLog) Parse(data io.Reader, ignoreSkipped bool) error {
 			return err
 		}
 
-		if ignoreSkipped && record.Rating == RATING_SKIPPED {
+		if ignoreSkipped && record.Rating == RatingSkipped {
 			continue
 		}
 
@@ -224,7 +224,7 @@ func (l ScrobblerLog) rowToRecord(row []string) (Record, error) {
 	}
 
 	var timezone *time.Location = nil
-	if l.TZ == TZ_UNKNOWN {
+	if l.TZ == TimezoneUnknown {
 		timezone = l.FallbackTimezone
 	}