Added handling of group admins as well as kicking and leaving of groups with backend

Author: cianjinks

src/main/java/ie/tcd/pavel/JoinCreateGroupPage.java

@@ -74,6 +74,7 @@ public JoinCreateGroupPage()
 				if(!database.groupExists(newGroupNameField.getValue())) {
 					database.insertGroup(newGroupNameField.getValue(), newGroupPassField.getValue(),
 							SecurityUtils.getUsername());
+					database.makeAdmin(SecurityUtils.getUsername(), newGroupNameField.getValue());
 					dialog1.close();
 					debugLabel.setText("Group Created Successfully");
 					System.out.printf("[DEBUG] Group Created: Name - %s | Password - %s%n", newGroupNameField.getValue(), newGroupPassField.getValue());

src/main/java/ie/tcd/pavel/MainPage.java

@@ -35,7 +35,7 @@
 public class MainPage extends AppLayout implements BeforeEnterObserver {
 
     private HashMap<Tab, Component> tabMap = new HashMap<>();
-    private Image background = new Image("https://i.imgur.com/Ua18y2v.jpg", "Background");
+    private Image background = new Image("https://i.imgur.com/rrlI3vE.jpg", "Background");
 
 
     public MainPage() {

src/main/java/ie/tcd/pavel/MongoDBOperations.java

@@ -325,6 +325,15 @@ public void removeUserFromGroup(String user, String group)
         mongoTemplate.remove(groupToRemove);
     }
 
-
-
+    public void deleteGroupFinal(String name)
+    {
+        Query findAdmins = new Query(Criteria.where("groupName").is(name));
+        List<GroupAdmin> admins = mongoTemplate.query(GroupAdmin.class).matching(findAdmins).all();
+        for(GroupAdmin admin : admins) {
+            mongoTemplate.remove(admin);
+        }
+        Query searchGroupPassword = new Query(Criteria.where("name").is(name));
+        GroupPassword password = mongoTemplate.findOne(searchGroupPassword,GroupPassword.class);
+        mongoTemplate.remove(password);
+    }
 }

src/main/java/ie/tcd/pavel/MyGroupsPage.java

@@ -20,6 +20,8 @@
 public class MyGroupsPage extends VerticalLayout {
 
     MongoDBOperations database;
+    ArrayList<Details> groupDetails;
+    ArrayList<Group> groups;
 
     public MyGroupsPage()
     {
@@ -28,26 +30,71 @@ public MyGroupsPage()
         /**setHeightFull();
         setAlignItems(Alignment.CENTER);
         setJustifyContentMode(JustifyContentMode.CENTER);**/
+        generateGroupDetails();
+    }
 
-        ArrayList<Group> groups = (ArrayList<Group>) database.getGroupsByUser(SecurityUtils.getUsername());
-        ArrayList<Details> groupDetails = new ArrayList<>();
-
+    private void generateGroupDetails() {
+        groups = (ArrayList<Group>) database.getGroupsByUser(SecurityUtils.getUsername());
+        groupDetails = new ArrayList<>();
         if(!groups.isEmpty()) {
             for (Group g : groups) {
                 Details group = new Details();
-                group.setSummaryText(g.getName());
+                if(database.checkIfAdmin(SecurityUtils.getUsername(), g.getName())) {
+                    group.setSummaryText(g.getName() + " (Owned)");
+                } else {
+                    group.setSummaryText(g.getName());
+                }
                 Button leaveButton = new Button("Leave");
+                leaveButton.addClickListener(buttonClickEvent -> {
+                    database.removeUserFromGroup(SecurityUtils.getUsername(), g.getName());
+                    // Check if no users are left then run database.deleteGroupPassword
+                    if(database.getUsersByGroup(g.getName()).size() <= 0) {
+                        database.deleteGroupFinal(g.getName());
+                    }
+                    removeAll();
+                    generateGroupDetails();
+                });
                 ArrayList<User> users = (ArrayList<User>) database.getUsersByGroup(g.getName());
                 if(!users.isEmpty()) {
                     for (User u : users) {
                         // Only show this version if the user owns the group
-                        Details userSubDetails = new Details();
-                        Button button = new Button("Kick");
-                        userSubDetails.setSummaryText(u.getLogin());
-                        userSubDetails.addContent(button);
-                        Label padding = new Label();
-                        padding.getStyle().set("width", "1em");
-                        group.addContent(new HorizontalLayout(padding, userSubDetails), leaveButton);
+                        if(database.checkIfAdmin(SecurityUtils.getUsername(), g.getName())) {
+                            Details userSubDetails = new Details();
+                            boolean isAdmin = database.checkIfAdmin(u.getLogin(), g.getName());
+                            if(isAdmin) {
+                                userSubDetails.setSummaryText(u.getLogin() + " (Admin)");
+                            } else {
+                                userSubDetails.setSummaryText(u.getLogin());
+                            }
+                            if(!isAdmin) {
+                                Label padding = new Label();
+                                padding.getStyle().set("width", "1em");
+                                Button kickButton = new Button("Kick");
+                                kickButton.setDisableOnClick(true);
+                                kickButton.addClickListener(event -> {
+                                    database.removeUserFromGroup(u.getLogin(), g.getName());
+                                });
+                                userSubDetails.addContent(new HorizontalLayout(padding, kickButton));
+                            }
+                            Label padding = new Label();
+                            padding.getStyle().set("width", "1em");
+                            Label padding2 = new Label();
+                            padding2.getStyle().set("width", "1em");
+                            group.addContent(new HorizontalLayout(padding, userSubDetails), new HorizontalLayout(padding2, leaveButton));
+                        } else {
+                            Details userSubDetails = new Details();
+                            boolean isAdmin = database.checkIfAdmin(u.getLogin(), g.getName());
+                            if(isAdmin) {
+                                userSubDetails.setSummaryText(u.getLogin() + " (Admin)");
+                            } else {
+                                userSubDetails.setSummaryText(u.getLogin());
+                            }
+                            Label padding = new Label();
+                            padding.getStyle().set("width", "1em");
+                            Label padding2 = new Label();
+                            padding2.getStyle().set("width", "1em");
+                            group.addContent(new HorizontalLayout(padding, userSubDetails), new HorizontalLayout(padding2, leaveButton));
+                        }
                     }
                 }
                 groupDetails.add(group);
@@ -58,6 +105,5 @@ public MyGroupsPage()
         } else {
             add(new H3("You are not a member of any groups!"));
         }
-
     }
 }