Initial commit

backend/internal/services/settings.go

@@ -0,0 +1,66 @@
+package services
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+	"sync"
+	"time"
+
+	"arma3-web-server/internal/models"
+)
+
+type SettingsManager struct {
+	path string
+	mu   sync.Mutex
+}
+
+func NewSettingsManager(dataDir string) *SettingsManager {
+	return &SettingsManager{
+		path: filepath.Join(dataDir, "settings.json"),
+	}
+}
+
+func (sm *SettingsManager) Load() (*models.ServerSettings, error) {
+	sm.mu.Lock()
+	defer sm.mu.Unlock()
+
+	data, err := os.ReadFile(sm.path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return sm.defaults(), nil
+		}
+		return nil, err
+	}
+
+	var s models.ServerSettings
+	if err := json.Unmarshal(data, &s); err != nil {
+		return nil, err
+	}
+	return &s, nil
+}
+
+func (sm *SettingsManager) Save(s *models.ServerSettings) error {
+	sm.mu.Lock()
+	defer sm.mu.Unlock()
+
+	s.UpdatedAt = time.Now().UTC()
+	data, err := json.MarshalIndent(s, "", "  ")
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(sm.path, data, 0644)
+}
+
+func (sm *SettingsManager) defaults() *models.ServerSettings {
+	return &models.ServerSettings{
+		IPPort:            "0.0.0.0:2302",
+		ServerParameters:  "-server -world=empty -loadMissionToMemory -noPause",
+		SteamBranch:       "stable",
+		SteamUser:         "anonymous",
+		Platform:          "linux",
+		ActiveConfig:      "",
+		ActiveModlist:     "",
+		UpdatedAt:         time.Now().UTC(),
+	}
+}