add: settings page

internal/transfer/history.go

@@ -0,0 +1,45 @@
+package transfer
+
+import (
+	"encoding/json"
+	"log/slog"
+	"mesh-drop/internal/config"
+	"os"
+	"path/filepath"
+)
+
+func (s *Service) SaveHistory() {
+	configDir := config.GetConfigDir()
+	historyPath := filepath.Join(configDir, "history.json")
+	historyJson, err := json.Marshal(s.GetTransferList())
+	if err != nil {
+		return
+	}
+	file, err := os.OpenFile(historyPath, os.O_CREATE|os.O_RDWR, os.FileMode(0644))
+	if err != nil {
+		return
+	}
+	defer file.Close()
+	_, err = file.Write(historyJson)
+	if err != nil {
+		slog.Error("Failed to write history", "error", err)
+	}
+}
+
+func (s *Service) LoadHistory() {
+	configDir := config.GetConfigDir()
+	historyPath := filepath.Join(configDir, "history.json")
+	file, err := os.Open(historyPath)
+	if err != nil {
+		return
+	}
+	defer file.Close()
+	var history []Transfer
+	err = json.NewDecoder(file).Decode(&history)
+	if err != nil {
+		return
+	}
+	for _, item := range history {
+		s.StoreTransferToList(&item)
+	}
+}