Add support for calendar deletion

delete.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+
+	"google.golang.org/api/calendar/v3"
+)
+
+func deleteCalendar() {
+	db, err := openDB(".gcalsync.db")
+	if err != nil {
+		log.Fatalf("Error opening database: %v", err)
+	}
+	defer db.Close()
+
+	fmt.Println("🚀 Starting calendar deletion...")
+
+	fmt.Print("📅 Enter calendar ID to delete: ")
+	var calendarID string
+	fmt.Scanln(&calendarID)
+
+	fmt.Print("⚠️  Are you sure you want to delete this calendar? (y/N): ")
+	var confirmation string
+	fmt.Scanln(&confirmation)
+
+	if confirmation != "y" && confirmation != "Y" {
+		fmt.Println("❌ Calendar deletion cancelled")
+		return
+	}
+	var count int
+	err = db.QueryRow("SELECT COUNT(*) FROM calendars WHERE calendar_id = ?", calendarID).Scan(&count)
+	if err != nil {
+		log.Fatalf("Error checking if calendar exists: %v", err)
+	}
+	if count == 0 {
+		fmt.Printf("❌ Calendar %s does not exist\n", calendarID)
+		return
+	}
+
+	ctx := context.Background()
+	client := getClient(ctx, oauthConfig, db, "")
+	calendarService, err := calendar.New(client)
+	if err != nil {
+		log.Fatalf("Error creating calendar client: %v", err)
+	}
+
+	cleanupCalendar(calendarService, calendarID)
+
+	_, err = db.Exec(`DELETE FROM blocker_events WHERE calendar_id=?`, calendarID)
+	if err != nil {
+		log.Fatalf("Error deleting blocker events: %v", err)
+	}
+
+	_, err = db.Exec(`DELETE FROM calendars WHERE calendar_id=?`, calendarID)
+	if err != nil {
+		log.Fatalf("Error deleting calendar ID: %v", err)
+	}
+
+	fmt.Printf("✅ Calendar %s deleted successfully\n", calendarID)
+}

main.go

@@ -29,6 +29,8 @@ func main() {
 		cleanupCalendars()
 	case "list":
 		listCalendars()
+	case "delete":
+		deleteCalendar()
 	default:
 		fmt.Printf("Unknown command: %s\n", command)
 		os.Exit(1)