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ppt #11

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9c83651
fixed material loading on feed
as-wi-n Oct 22, 2025
2c31712
Merge branch 'jithurx:main' into main
as-wi-n Oct 22, 2025
5a67e28
added the feature to add subject and delete uploaded materials by admin
as-wi-n Oct 22, 2025
89e1c79
fixed rating issue and added user deletion function for uploaded files
as-wi-n Oct 22, 2025
4032e77
Merge pull request #1 from as-wi-n/alien
as-wi-n Oct 22, 2025
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126 changes: 119 additions & 7 deletions src/main/java/com/note0/simple/AdminPanel.java
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Original file line number Diff line number Diff line change
Expand Up @@ -10,15 +10,17 @@ public class AdminPanel extends JPanel {

private final SubjectDAO subjectDAO;
private final MaterialDAO materialDAO;
private final CloudinaryService cloudinaryService;

private JTable subjectTable;
private DefaultTableModel subjectTableModel;
private JTable materialTable;
private DefaultTableModel materialTableModel;

public AdminPanel(SubjectDAO subjectDAO, MaterialDAO materialDAO) {
public AdminPanel(SubjectDAO subjectDAO, MaterialDAO materialDAO, CloudinaryService cloudinaryService) {
this.subjectDAO = subjectDAO;
this.materialDAO = materialDAO;
this.cloudinaryService = cloudinaryService;

setLayout(new GridLayout(2, 1, 10, 10)); // Two main sections: Subjects and Materials
setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
Expand All @@ -31,14 +33,24 @@ public AdminPanel(SubjectDAO subjectDAO, MaterialDAO materialDAO) {
subjectTable = new JTable(subjectTableModel);
subjectsPanel.add(new JScrollPane(subjectTable), BorderLayout.CENTER);

// Subject management buttons
JPanel subjectButtonPanel = new JPanel(new FlowLayout());
JButton addSubjectButton = new JButton("Add New Subject");
JButton deleteSubjectButton = new JButton("Delete Selected Subject");
subjectsPanel.add(deleteSubjectButton, BorderLayout.SOUTH);
JButton refreshSubjectsButton = new JButton("Refresh");

subjectButtonPanel.add(addSubjectButton);
subjectButtonPanel.add(deleteSubjectButton);
subjectButtonPanel.add(refreshSubjectsButton);
subjectsPanel.add(subjectButtonPanel, BorderLayout.SOUTH);

addSubjectButton.addActionListener(e -> addSubject());
deleteSubjectButton.addActionListener(e -> deleteSubject());
refreshSubjectsButton.addActionListener(e -> loadSubjects());

// --- Materials Panel ---
JPanel materialsPanel = new JPanel(new BorderLayout(10, 10));
materialsPanel.setBorder(BorderFactory.createTitledBorder("Review Pending Materials"));
materialsPanel.setBorder(BorderFactory.createTitledBorder("Manage Materials (Pending & All Uploaded Notes)"));

materialTableModel = new DefaultTableModel(new String[]{"ID", "Title", "Uploader", "Subject", "Status"}, 0);
materialTable = new JTable(materialTableModel);
Expand All @@ -48,17 +60,23 @@ public AdminPanel(SubjectDAO subjectDAO, MaterialDAO materialDAO) {
JButton approveButton = new JButton("Approve Selected");
JButton rejectButton = new JButton("Reject Selected");
JButton deleteMaterialButton = new JButton("Delete Selected");
JButton showPendingButton = new JButton("Show Pending");
JButton showAllButton = new JButton("Show All");
JButton refreshButton = new JButton("Refresh");

materialButtonPanel.add(approveButton);
materialButtonPanel.add(rejectButton);
materialButtonPanel.add(deleteMaterialButton);
materialButtonPanel.add(showPendingButton);
materialButtonPanel.add(showAllButton);
materialButtonPanel.add(refreshButton);
materialsPanel.add(materialButtonPanel, BorderLayout.SOUTH);

approveButton.addActionListener(e -> approveMaterial());
rejectButton.addActionListener(e -> rejectMaterial());
deleteMaterialButton.addActionListener(e -> deleteMaterial());
showPendingButton.addActionListener(e -> loadPendingMaterials());
showAllButton.addActionListener(e -> loadAllMaterials());
refreshButton.addActionListener(e -> loadPendingMaterials());

// Add both main panels to the AdminPanel
Expand Down Expand Up @@ -92,6 +110,87 @@ private void loadPendingMaterials() {
JOptionPane.showMessageDialog(this, "Error loading pending materials: " + e.getMessage(), "DB Error", JOptionPane.ERROR_MESSAGE);
}
}

private void loadAllMaterials() {
materialTableModel.setRowCount(0);
try {
List<Material> materials = materialDAO.getAllMaterialsForAdmin();
for (Material material : materials) {
materialTableModel.addRow(new Object[]{material.getId(), material.getTitle(), material.getUploaderName(), material.getSubjectName(), material.getApprovalStatus()});
}
} catch (SQLException e) {
JOptionPane.showMessageDialog(this, "Error loading all materials: " + e.getMessage(), "DB Error", JOptionPane.ERROR_MESSAGE);
}
}

private void addSubject() {
// Create a dialog for adding a new subject
JDialog addSubjectDialog = new JDialog((Frame) SwingUtilities.getWindowAncestor(this), "Add New Subject", true);
addSubjectDialog.setLayout(new BorderLayout());
addSubjectDialog.setSize(400, 300);
addSubjectDialog.setLocationRelativeTo(this);

// Form panel
JPanel formPanel = new JPanel(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
formPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));

// Subject name field
gbc.gridx = 0; gbc.gridy = 0; gbc.anchor = GridBagConstraints.WEST;
formPanel.add(new JLabel("Subject Name:"), gbc);
gbc.gridx = 1; gbc.fill = GridBagConstraints.HORIZONTAL; gbc.weightx = 1.0;
JTextField nameField = new JTextField(20);
formPanel.add(nameField, gbc);

// Branch field
gbc.gridx = 0; gbc.gridy = 1; gbc.fill = GridBagConstraints.NONE; gbc.weightx = 0;
formPanel.add(new JLabel("Branch:"), gbc);
gbc.gridx = 1; gbc.fill = GridBagConstraints.HORIZONTAL; gbc.weightx = 1.0;
JTextField branchField = new JTextField(20);
formPanel.add(branchField, gbc);

// Semester field
gbc.gridx = 0; gbc.gridy = 2; gbc.fill = GridBagConstraints.NONE; gbc.weightx = 0;
formPanel.add(new JLabel("Semester:"), gbc);
gbc.gridx = 1; gbc.fill = GridBagConstraints.HORIZONTAL; gbc.weightx = 1.0;
JSpinner semesterSpinner = new JSpinner(new SpinnerNumberModel(1, 1, 8, 1));
formPanel.add(semesterSpinner, gbc);

addSubjectDialog.add(formPanel, BorderLayout.CENTER);

// Button panel
JPanel buttonPanel = new JPanel(new FlowLayout());
JButton saveButton = new JButton("Save");
JButton cancelButton = new JButton("Cancel");
buttonPanel.add(saveButton);
buttonPanel.add(cancelButton);
addSubjectDialog.add(buttonPanel, BorderLayout.SOUTH);

// Event handlers
saveButton.addActionListener(e -> {
String name = nameField.getText().trim();
String branch = branchField.getText().trim();
int semester = (Integer) semesterSpinner.getValue();

if (name.isEmpty() || branch.isEmpty()) {
JOptionPane.showMessageDialog(addSubjectDialog, "Please fill in all fields.", "Validation Error", JOptionPane.ERROR_MESSAGE);
return;
}

try {
subjectDAO.addSubject(name, branch, semester);
JOptionPane.showMessageDialog(addSubjectDialog, "Subject added successfully!", "Success", JOptionPane.INFORMATION_MESSAGE);
addSubjectDialog.dispose();
loadSubjects(); // Refresh the subjects list
} catch (SQLException ex) {
JOptionPane.showMessageDialog(addSubjectDialog, "Error adding subject: " + ex.getMessage(), "Database Error", JOptionPane.ERROR_MESSAGE);
}
});

cancelButton.addActionListener(e -> addSubjectDialog.dispose());

addSubjectDialog.setVisible(true);
}

private void deleteSubject() {
int selectedRow = subjectTable.getSelectedRow();
Expand All @@ -100,7 +199,11 @@ private void deleteSubject() {
return;
}
Long id = (Long) subjectTableModel.getValueAt(selectedRow, 0);
int confirm = JOptionPane.showConfirmDialog(this, "Are you sure you want to delete this subject?", "Confirm Deletion", JOptionPane.YES_NO_OPTION);
String subjectName = (String) subjectTableModel.getValueAt(selectedRow, 1);
int confirm = JOptionPane.showConfirmDialog(this,
"Are you sure you want to delete the subject '" + subjectName + "'?\n\n" +
"This will also delete all materials associated with this subject.",
"Confirm Deletion", JOptionPane.YES_NO_OPTION);
if (confirm == JOptionPane.YES_OPTION) {
try {
subjectDAO.deleteSubject(id);
Expand All @@ -119,11 +222,20 @@ private void deleteMaterial() {
return;
}
Long id = (Long) materialTableModel.getValueAt(selectedRow, 0);
int confirm = JOptionPane.showConfirmDialog(this, "Are you sure you want to delete this material?", "Confirm Deletion", JOptionPane.YES_NO_OPTION);
String materialTitle = (String) materialTableModel.getValueAt(selectedRow, 1);
int confirm = JOptionPane.showConfirmDialog(this,
"Are you sure you want to delete the material '" + materialTitle + "'?\n\n" +
"This will remove the material from the database.\n" +
"The uploaded file will remain in Cloudinary storage.",
"Confirm Deletion", JOptionPane.YES_NO_OPTION);
if (confirm == JOptionPane.YES_OPTION) {
try {
materialDAO.deleteMaterial(id);
JOptionPane.showMessageDialog(this, "Material deleted successfully!", "Success", JOptionPane.INFORMATION_MESSAGE);
boolean success = materialDAO.deleteMaterialWithFile(id, cloudinaryService);
if (success) {
JOptionPane.showMessageDialog(this, "Material deleted from database successfully!", "Success", JOptionPane.INFORMATION_MESSAGE);
} else {
JOptionPane.showMessageDialog(this, "Error deleting material from database.", "Error", JOptionPane.ERROR_MESSAGE);
}
loadPendingMaterials(); // Refresh the list
} catch (Exception ex) {
JOptionPane.showMessageDialog(this, "Error deleting material: " + ex.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
Expand Down
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