feat: #main groups import and export

Author: marcinbator

src/main/java/pl/bator/lso_list_generator/repository/GroupJSONRepository.java

@@ -19,7 +19,7 @@ public class GroupJSONRepository {
     @Setter
     private List<Group> groups;
     private final Gson gson = new GsonBuilder().setPrettyPrinting().create();
-    private final Path dbFilePath = Path.of(System.getProperty("user.home"), "lso-groups.json");
+    public static final Path dbFilePath = Path.of(System.getProperty("user.home"), "lso-groups.json");
 
     public GroupJSONRepository() throws IOException {
         groups = readGroups();

src/main/java/pl/bator/lso_list_generator/service/GroupsService.java

@@ -1,11 +1,11 @@
 package pl.bator.lso_list_generator.service;
 
-import lombok.RequiredArgsConstructor;
 import org.jetbrains.annotations.NotNull;
 import pl.bator.lso_list_generator.model.Group;
 import pl.bator.lso_list_generator.model.Person;
 import pl.bator.lso_list_generator.model.SundayMass;
 import pl.bator.lso_list_generator.repository.GroupJSONRepository;
+import pl.bator.lso_list_generator.util.JSONUtil;
 
 import javax.swing.*;
 import javax.swing.border.EmptyBorder;
@@ -14,14 +14,22 @@
 import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.io.IOException;
+import java.nio.file.Path;
 import java.time.DayOfWeek;
 import java.util.Comparator;
 
-@RequiredArgsConstructor
+import static pl.bator.lso_list_generator.view.NavbarView.pdfSavePath;
+
 public class GroupsService {
     private final String[] dayNames = {"MONDAY", "TUESDAY", "WEDNESDAY", "THURSDAY", "FRIDAY", "SATURDAY"};
     private final String[] polishDayNames = {"poniedziałek", "wtorek", "środa", "czwartek", "piątek", "sobota"};
-    private final GroupJSONRepository groupJSONRepository;
+
+    private GroupJSONRepository groupJSONRepository;
+    private final JSONUtil jsonUtil = new JSONUtil();
+
+    public GroupsService(GroupJSONRepository groupJSONRepository) {
+        this.groupJSONRepository = groupJSONRepository;
+    }
 
     public void handleAddNewGroup(JPanel groupTilesPanel) {
         SundayMass sund = SundayMass.R;
@@ -133,6 +141,35 @@ public void changedUpdate(DocumentEvent e) {
         return tilePanel;
     }
 
+    public void initButtons(Component parent, @NotNull JPanel buttonPanel, @NotNull JPanel groupTilesPanel) {
+        var exportJsonButton = new JButton("Eksportuj listę");
+        exportJsonButton.addActionListener(e -> {
+            try {
+                jsonUtil.copyFile(GroupJSONRepository.dbFilePath, pdfSavePath.resolve("lso-groups.json"));
+            } catch (IOException ex) {
+                throw new RuntimeException(ex);
+            }
+        });
+        buttonPanel.add(exportJsonButton);
+
+        var importJsonButton = new JButton("Importuj listę");
+        importJsonButton.addActionListener(e -> {
+            try {
+                JFileChooser fileChooser = new JFileChooser(pdfSavePath.toString());
+                fileChooser.setDialogTitle("Wybierz plik JSON");
+                fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
+                int userSelection = fileChooser.showSaveDialog(parent);
+                if (userSelection == JFileChooser.APPROVE_OPTION) {
+                    jsonUtil.copyFile(Path.of(fileChooser.getSelectedFile().getAbsolutePath()), GroupJSONRepository.dbFilePath);
+                    refreshGroups(groupTilesPanel);
+                }
+            } catch (IOException ex) {
+                throw new RuntimeException(ex);
+            }
+        });
+        buttonPanel.add(importJsonButton);
+    }
+
     //
 
     private void handleSaveGroupClick(@NotNull String text, @NotNull Group group, JPanel container, JCheckBox[] dayCheckBoxes, JPanel groupTilePanel) throws IOException {
@@ -193,8 +230,9 @@ private void handleDeleteGroupClick(@NotNull JPanel groupTilesPanel, @NotNull Gr
         refreshGroups(groupTilesPanel);
     }
 
-    private void refreshGroups(@NotNull JPanel container) {
+    private void refreshGroups(@NotNull JPanel container) throws IOException {
         container.removeAll();
+        groupJSONRepository = new GroupJSONRepository();
         var groups = groupJSONRepository.getGroups().stream().sorted(Comparator.comparingInt(Group::getNumber)).toList();
         for (Group group : groups) {
             JPanel tilePanel = createGroupTile(group, container);

src/main/java/pl/bator/lso_list_generator/util/JSONUtil.java

@@ -0,0 +1,12 @@
+package pl.bator.lso_list_generator.util;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
+
+public class JSONUtil {
+    public void copyFile(Path sourceFilePath, Path targetFilePath) throws IOException {
+        Files.copy(sourceFilePath, targetFilePath, StandardCopyOption.REPLACE_EXISTING);
+    }
+}

src/main/java/pl/bator/lso_list_generator/view/ApplicationView.java

@@ -39,7 +39,7 @@ private void initWindow() throws IOException {
         JScrollPane scrollPane = new JScrollPane(groupsPanel);
 
         navbarView.initView(monthAndYearSelectorPanel, pathSelectorPanel, buttonPanel);
-        groupsView.initView(groupsPanel, scrollPane, buttonPanel);
+        groupsView.initView(this, groupsPanel, scrollPane, buttonPanel);
 
         mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
         mainPanel.add(monthAndYearSelectorPanel);

src/main/java/pl/bator/lso_list_generator/view/GroupsView.java

@@ -18,7 +18,7 @@ public GroupsView(GroupJSONRepository groupJSONRepository) {
         this.groupJSONRepository = groupJSONRepository;
     }
 
-    public void initView(@NotNull JPanel groupPanel, @NotNull JScrollPane scrollPane, @NotNull JPanel buttonPanel) {
+    public void initView(Component parent, @NotNull JPanel groupPanel, @NotNull JScrollPane scrollPane, @NotNull JPanel buttonPanel) {
         groupPanel.setLayout(new BoxLayout(groupPanel, BoxLayout.Y_AXIS));
         groupPanel.setBorder(BorderFactory.createTitledBorder("Grupy"));
         groupPanel.setMinimumSize(new Dimension(600, 400));
@@ -36,5 +36,7 @@ public void initView(@NotNull JPanel groupPanel, @NotNull JScrollPane scrollPane
             JPanel tilePanel = groupsService.createGroupTile(group, groupPanel);
             groupPanel.add(tilePanel);
         }
+
+        groupsService.initButtons(parent, buttonPanel, groupPanel);
     }
 }

src/main/java/pl/bator/lso_list_generator/view/NavbarView.java

@@ -18,7 +18,7 @@ public class NavbarView {
     private JComboBox<String> monthComboBox;
     private JComboBox<Integer> yearComboBox;
     private JLabel pathLabel;
-    private Path pdfSavePath = Path.of(System.getProperty("user.home"), "Desktop");
+    public static Path pdfSavePath = Path.of(System.getProperty("user.home"), "Desktop");
 
     private final PDFGenerationService pdfGenerationService;
     private final Component parent;