Merge pull request #19 from RIT-SWEN-262/import-export

Import export

1 files changed, 81 insertions, 0 deletions

diff --git a/src/main/java/design/controller/userinput/menus/ImportExportMenu.java b/src/main/java/design/controller/userinput/menus/ImportExportMenu.java
new file mode 100644
index 0000000..21ffa6c
--- /dev/null
+++ b/src/main/java/design/controller/userinput/menus/ImportExportMenu.java
@@ -0,0 +1,81 @@
+package design.controller.userinput.menus;
+
+import design.controller.userinput.Menu;
+import design.controller.userinput.MenuOption;
+import design.persistence.*;
+import design.persistence.importexport.DataHandler;
+import design.persistence.importexport.DataSource;
+import design.persistence.importexport.JSONHandler;
+import design.persistence.importexport.XMLHandler;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+import java.util.Scanner;
+
+public class ImportExportMenu extends Menu {
+
+    @Override
+    public String getTitle() {
+        return "import export menu";
+    }
+
+   @Override
+    public List<MenuOption> getMenuOptions() {
+        List<MenuOption> opts = new java.util.ArrayList<>();
+
+
+        opts.add(new MenuOption("return to main menu", () -> new MainMenu().present()));
+
+        opts.add(new MenuOption("import leagues...", () -> promptForPath(true, false)));
+        opts.add(new MenuOption("export leagues...", () -> promptForPath(false, false)));
+        opts.add(new MenuOption("import profiles...", () -> promptForPath(true, true)));
+        opts.add(new MenuOption("export profiles...", () -> promptForPath(false, true)));
+
+        return opts;
+    }
+
+    private void promptForPath(boolean isImporting, boolean isPersonalProfile)
+    {
+        System.out.print("Enter file path: ");
+        Scanner sc = new Scanner(System.in);
+        String filePath = sc.nextLine();
+        File file = new File(filePath);
+
+        DataSource source;
+        if (isPersonalProfile) {
+            source = PersonalDatabase.instance();
+        } else {
+            source = LeagueDatabase.instance();
+        }
+
+        DataHandler handler;
+        String ext = getExtension(filePath);
+        switch (ext) {
+            case "json" -> handler = new JSONHandler(source);
+            case "xml" -> handler = new XMLHandler(source);
+            default -> {
+                System.out.println("Unsupported file type: " + ext);
+                this.present();
+                return;
+            }
+        }
+
+        try {
+            if (isImporting) {
+                handler.importData(file);
+            } else {
+                handler.exportData(file);
+            }
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+
+        this.present();
+    }
+
+    private static String getExtension(String fileName) {
+        int i = fileName.lastIndexOf('.');
+        return (i >= 0) ? fileName.substring(i + 1).toLowerCase() : "unknown";
+    }
+}