Add logger

logger/logger.go

@@ -0,0 +1,10 @@
+package logger
+
+import (
+	"log/slog"
+)
+
+func NewLogger(c Config) *slog.Logger {
+	handler := NewHandler(c)
+	return slog.New(&handler)
+}

logger/logger_config.go

@@ -0,0 +1,64 @@
+package logger
+
+import (
+	"log/slog"
+)
+
+const (
+	defaultStdoutLogEnabled = true
+)
+
+type Config struct {
+	stdoutLogEnabled bool
+	fileLogEnabled   bool
+	emailLogEnabled  bool
+
+	// INFO by default
+	stdoutLogLevel slog.Level
+	fileLogLevel   slog.Level
+	emailLogLevel  slog.Level
+}
+
+type ConfigOption func(*Config)
+
+type ConfigOptions []ConfigOption
+
+func (s *ConfigOptions) Add(option ConfigOption) {
+	*s = append(*s, option)
+}
+
+func WithStdoutLogEnabled(enabled bool) ConfigOption {
+	return func(s *Config) {
+		s.stdoutLogEnabled = enabled
+	}
+}
+
+func WithFileLogEnabled(enabled bool) ConfigOption {
+	return func(s *Config) {
+		s.fileLogEnabled = enabled
+	}
+}
+
+func WithEmailLogEnabled(enabled bool) ConfigOption {
+	return func(s *Config) {
+		s.emailLogEnabled = enabled
+	}
+}
+
+func WithStdoutLogLevel(level slog.Level) ConfigOption {
+	return func(s *Config) {
+		s.stdoutLogLevel = level
+	}
+}
+
+func WithFileLogLevel(level slog.Level) ConfigOption {
+	return func(s *Config) {
+		s.fileLogLevel = level
+	}
+}
+
+func WithEmailLogLevel(level slog.Level) ConfigOption {
+	return func(s *Config) {
+		s.emailLogLevel = level
+	}
+}