Initial commit

backend/internal/services/config_manager.go

@@ -0,0 +1,89 @@
+package services
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+type ConfigManager struct {
+	cfgDir string
+}
+
+func NewConfigManager(cfgDir string) *ConfigManager {
+	return &ConfigManager{cfgDir: cfgDir}
+}
+
+type ConfigInfo struct {
+	Name    string `json:"name"`
+	Size    int64  `json:"size"`
+}
+
+func (cm *ConfigManager) List() ([]ConfigInfo, error) {
+	entries, err := os.ReadDir(cm.cfgDir)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return []ConfigInfo{}, nil
+		}
+		return nil, err
+	}
+
+	var configs []ConfigInfo
+	for _, e := range entries {
+		if !e.IsDir() && strings.HasSuffix(e.Name(), ".cfg") {
+			info, _ := e.Info()
+			configs = append(configs, ConfigInfo{
+				Name: strings.TrimSuffix(e.Name(), ".cfg"),
+				Size: info.Size(),
+			})
+		}
+	}
+	return configs, nil
+}
+
+func (cm *ConfigManager) Get(name string) (string, error) {
+	path := cm.path(name)
+	data, err := os.ReadFile(path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return "", fmt.Errorf("config not found")
+		}
+		return "", err
+	}
+	return string(data), nil
+}
+
+func (cm *ConfigManager) Create(name, content string) error {
+	path := cm.path(name)
+	if _, err := os.Stat(path); err == nil {
+		return fmt.Errorf("config already exists")
+	}
+	return os.WriteFile(path, []byte(content), 0644)
+}
+
+func (cm *ConfigManager) Update(name, content string) error {
+	return os.WriteFile(cm.path(name), []byte(content), 0644)
+}
+
+func (cm *ConfigManager) Delete(name string) error {
+	return os.Remove(cm.path(name))
+}
+
+func (cm *ConfigManager) Duplicate(name, newName string) error {
+	content, err := cm.Get(name)
+	if err != nil {
+		return err
+	}
+	return cm.Create(newName, content)
+}
+
+func (cm *ConfigManager) path(name string) string {
+	return filepath.Join(cm.cfgDir, sanitizeConfigName(name)+".cfg")
+}
+
+func sanitizeConfigName(name string) string {
+	name = filepath.Base(name)
+	name = strings.TrimSuffix(name, ".cfg")
+	return name
+}