feat(docs): add template preview (#1777)

pkg/notifications/preview/data/logs.go

@@ -0,0 +1,56 @@
+package data
+
+import (
+	"time"
+)
+
+type logEntry struct {
+	Message string
+	Data    map[string]any
+	Time    time.Time
+	Level   LogLevel
+}
+
+// LogLevel is the analog of logrus.Level
+type LogLevel string
+
+const (
+	TraceLevel LogLevel = "trace"
+	DebugLevel LogLevel = "debug"
+	InfoLevel  LogLevel = "info"
+	WarnLevel  LogLevel = "warning"
+	ErrorLevel LogLevel = "error"
+	FatalLevel LogLevel = "fatal"
+	PanicLevel LogLevel = "panic"
+)
+
+// LevelsFromString parses a string of level characters and returns a slice of the corresponding log levels
+func LevelsFromString(str string) []LogLevel {
+	levels := make([]LogLevel, 0, len(str))
+	for _, c := range str {
+		switch c {
+		case 'p':
+			levels = append(levels, PanicLevel)
+		case 'f':
+			levels = append(levels, FatalLevel)
+		case 'e':
+			levels = append(levels, ErrorLevel)
+		case 'w':
+			levels = append(levels, WarnLevel)
+		case 'i':
+			levels = append(levels, InfoLevel)
+		case 'd':
+			levels = append(levels, DebugLevel)
+		case 't':
+			levels = append(levels, TraceLevel)
+		default:
+			continue
+		}
+	}
+	return levels
+}
+
+// String returns the log level as a string
+func (level LogLevel) String() string {
+	return string(level)
+}