bunch of probably useless micro optimisation

storage/log.go

@@ -7,11 +7,24 @@ import (
 )
 
 type LogEntry struct {
-	Message   string `json:"message"`
-	Timestamp int64  `json:"timestamp"`
-	Data      string `json:"data"`
-	Level     string `json:"level"`
+	Message   string   `json:"message"`
+	Timestamp int64    `json:"timestamp"`
+	Data      string   `json:"data"`
+	Level     LogLevel `json:"level"`
 }
+
+type LogLevel int
+
+const (
+	FATAL LogLevel = 1
+	PANIC LogLevel = 2
+	ERROR LogLevel = 3
+	WARN  LogLevel = 4
+	INFO  LogLevel = 5
+	DEBUG LogLevel = 6
+	TRACE LogLevel = 7
+)
+
 type sqlLogHook struct {
 	database *Database
 }
@@ -29,8 +42,27 @@ func (h sqlLogHook) Fire(entry *logrus.Entry) error {
 		return err
 	}
 
+	var logLevel LogLevel
+
+	switch entry.Level {
+	case logrus.TraceLevel:
+		logLevel = TRACE
+	case logrus.DebugLevel:
+		logLevel = DEBUG
+	case logrus.InfoLevel:
+		logLevel = INFO
+	case logrus.WarnLevel:
+		logLevel = WARN
+	case logrus.ErrorLevel:
+		logLevel = ERROR
+	case logrus.FatalLevel:
+		logLevel = FATAL
+	case logrus.PanicLevel:
+		logLevel = PANIC
+	}
+
 	_, err = db.Exec("INSERT INTO log_entry (message, level, message_data, timestamp) VALUES ($1,$2,$3,$4)",
-		entry.Message, entry.Level.String(), jsonData, entry.Time.Unix())
+		entry.Message, logLevel, jsonData, entry.Time.Unix())
 	return err
 }
 
@@ -40,14 +72,14 @@ func (database *Database) SetupLoggerHook() {
 	logrus.AddHook(hook)
 }
 
-func (database *Database) GetLogs(since int64, level logrus.Level) *[]LogEntry {
+func (database *Database) GetLogs(since int64, level LogLevel) *[]LogEntry {
 
 	db := database.getDB()
 
 	var logs []LogEntry
 
 	rows, err := db.Query("SELECT * FROM log_entry WHERE timestamp > $1 AND level=$2",
-		since, level.String())
+		since, level)
 	handleErr(err)
 
 	for rows.Next() {