refactor: clean code

internal/domain/settings.go

@@ -0,0 +1,42 @@
+package domain
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+type Settings struct {
+	Meta
+	Name    string `json:"name" db:"name"`
+	Content string `json:"content" db:"content"`
+}
+
+type NotifyTemplatesSettingsContent struct {
+	NotifyTemplates []NotifyTemplate `json:"notifyTemplates"`
+}
+
+type NotifyTemplate struct {
+	Subject string `json:"subject"`
+	Message string `json:"message"`
+}
+
+type NotifyChannelsSettingsContent map[string]map[string]any
+
+type NotifyMessage struct {
+	Subject string `json:"subject"`
+	Message string `json:"message"`
+}
+
+func (s *Settings) GetNotifyChannelConfig(channel string) (map[string]any, error) {
+	conf := &NotifyChannelsSettingsContent{}
+	if err := json.Unmarshal([]byte(s.Content), conf); err != nil {
+		return nil, err
+	}
+
+	v, ok := (*conf)[channel]
+	if !ok {
+		return nil, fmt.Errorf("channel \"%s\" not found", channel)
+	}
+
+	return v, nil
+}