Initial project

internal/config/conf_logging.go

@@ -0,0 +1,108 @@
+/*
+Copyright © 2026 Craig Williams <craig@avsdev.uk>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+package config
+
+import (
+	"errors"
+	"log/slog"
+	"reflect"
+)
+
+type JobSearchConfigLogging struct {
+	Level string
+}
+
+// Default configuration
+func defaultConfigLogging() JobSearchConfigLogging {
+	return JobSearchConfigLogging{
+		Level: "warn",
+	}
+}
+
+// Converts configuration to a map
+func (conf JobSearchConfigLogging) Map() map[string]any {
+	return map[string]any{
+		"level": conf.Level,
+	}
+}
+
+// Converts configuration to a flat dotted format
+func (conf JobSearchConfigLogging) Flatten() map[string]any {
+	confMap := conf.Map()
+	retMap := map[string]any{}
+	for k, v := range confMap {
+		retMap["logging."+k] = v
+	}
+	return retMap
+}
+
+// Returns the expected type of a configuration key value
+func (c JobSearchConfigLogging) TypeOf(key string) (reflect.Kind, error) {
+	switch key {
+	case "level":
+		return reflect.String, nil
+	default:
+		return reflect.Invalid, errors.New("unknown configuration key")
+	}
+}
+
+// Returns the value of a configuration key
+func (c JobSearchConfigLogging) ValueOf(key string) (any, error) {
+	switch key {
+	case "level":
+		return c.Level, nil
+	default:
+		return "", errors.New("unknown configuration key")
+	}
+}
+
+// Sets the value of a configuration key
+func (c *JobSearchConfigLogging) SetValue(key string, value any) error {
+	switch key {
+	case "level":
+		newLevel := value.(string)
+		switch newLevel {
+		case "debug", "info", "warn", "error":
+			c.Level = value.(string)
+		default:
+			return errors.New(
+				"invalid log level. Must be one of: debug, info, warn, error")
+		}
+	default:
+		return errors.New("unknown configuration key")
+	}
+	return nil
+}
+
+func ConfigLevelToLogLevel(level string) slog.Level {
+	switch level {
+	case "debug":
+		return slog.LevelDebug
+	case "info":
+		return slog.LevelInfo
+	case "warn":
+		return slog.LevelWarn
+	case "error":
+		return slog.LevelError
+	default:
+		return 99
+	}
+}
+
+func (c *JobSearchConfigLogging) LogLevel() slog.Level {
+	return ConfigLevelToLogLevel(c.Level)
+}