Release v0.2.2 - Display file checksums in UI

Features:
- Add SHA256 column to admin product versions table
- Display file hash in customer account downloads section
- Style checksum file upload field consistently with package upload

Changes:
- Admin versions table shows truncated hash with full hash on hover
- Customer downloads show hash with shield icon indicator
- Updated German translations

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

CHANGELOG.md

@@ -7,6 +7,25 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.2.2] - 2026-01-22
+
+### Added
+
+- SHA256 checksum column in admin product versions table
+- File hash display in customer account downloads section
+- Visual indicators for file integrity verification
+
+### Changed
+
+- Checksum file upload field now styled consistently with package upload field
+- Download list items now show truncated hash with full hash on hover
+
+### Technical Details
+
+- ProductVersion `getFileHash()` method now exposed in admin and frontend views
+- Frontend CSS extended with `.download-hash` styles
+- Admin CSS extended with `.file-hash` styles
+
 ## [0.2.1] - 2026-01-22
 
 ### Changed
@@ -354,7 +373,9 @@ define('WC_LICENSE_SERVER_SECRET', 'your-secure-random-string-min-32-chars');
 - WordPress REST API integration
 - Custom WooCommerce product type extending WC_Product
 
-[Unreleased]: https://src.bundespruefstelle.ch/magdev/wc-licensed-product/compare/v0.2.0...HEAD
+[Unreleased]: https://src.bundespruefstelle.ch/magdev/wc-licensed-product/compare/v0.2.2...HEAD
+[0.2.2]: https://src.bundespruefstelle.ch/magdev/wc-licensed-product/compare/v0.2.1...v0.2.2
+[0.2.1]: https://src.bundespruefstelle.ch/magdev/wc-licensed-product/compare/v0.2.0...v0.2.1
 [0.2.0]: https://src.bundespruefstelle.ch/magdev/wc-licensed-product/compare/v0.1.0...v0.2.0
 [0.1.0]: https://src.bundespruefstelle.ch/magdev/wc-licensed-product/compare/v0.0.11...v0.1.0
 [0.0.11]: https://src.bundespruefstelle.ch/magdev/wc-licensed-product/compare/v0.0.10...v0.0.11

CLAUDE.md

@@ -34,9 +34,13 @@ This project is proudly **"vibe-coded"** using Claude.AI - the entire codebase w
 
 ### Known Bugs
 
-No known bugs at the moment
+No known bugs at the moment.
 
-No planned features at this time. See Session History for completed work.
+### Version 0.3.0
+
+- Implement License check using the composer package `magdev/wc-licensed-product-client` located in the local folder `/home/magdev/workspaces/php/wc-licensed-product-client`
+- Add license configuration to the plugins settings page
+- Hide frontend parts if no valid license is provided
 
 ## Technical Stack
 

assets/css/admin.css

@@ -43,6 +43,13 @@
     font-size: 0.9em;
 }
 
+/* File Hash */
+code.file-hash {
+    cursor: help;
+    font-size: 0.85em;
+    color: #666;
+}
+
 /* License Product Tab */
 #woocommerce-product-data .show_if_licensed {
     display: block !important;

assets/css/frontend.css

@@ -247,6 +247,30 @@
     margin-left: auto;
 }
 
+.download-hash {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.25em;
+    font-size: 0.8em;
+    color: #666;
+}
+
+.download-hash .dashicons {
+    font-size: 14px;
+    width: 14px;
+    height: 14px;
+    color: #28a745;
+}
+
+.download-hash code {
+    font-family: 'SF Mono', Monaco, Consolas, monospace;
+    background: #f5f5f5;
+    padding: 0.2em 0.4em;
+    border-radius: 3px;
+    font-size: 0.9em;
+    color: #666;
+}
+
 /* Domain Field */
 #licensed-product-domain-field {
     margin-top: 2em;

assets/js/versions.js

@@ -23,6 +23,11 @@
             $('#upload-version-file-btn').on('click', this.openMediaUploader.bind(this));
             $('#remove-version-file-btn').on('click', this.removeSelectedFile);
 
+            // Checksum file events
+            $('#select-checksum-file-btn').on('click', this.triggerChecksumFileSelect);
+            $('#new_checksum_file').on('change', this.onChecksumFileSelected);
+            $('#remove-checksum-file-btn').on('click', this.removeChecksumFile);
+
             // Listen for product type changes
             $('#product-type').on('change', this.onProductTypeChange);
 
@@ -104,6 +109,40 @@
             // Hide and clear checksum file field
             $('#sha256-hash-row').hide();
             $('#new_checksum_file').val('');
+            $('#selected_checksum_name').text('');
+            $('#remove-checksum-file-btn').hide();
+        },
+
+        /**
+         * Trigger checksum file input click
+         */
+        triggerChecksumFileSelect: function(e) {
+            e.preventDefault();
+            $('#new_checksum_file').trigger('click');
+        },
+
+        /**
+         * Handle checksum file selection
+         */
+        onChecksumFileSelected: function(e) {
+            var file = e.target.files[0];
+            if (file) {
+                $('#selected_checksum_name').text(file.name);
+                $('#remove-checksum-file-btn').show();
+            } else {
+                $('#selected_checksum_name').text('');
+                $('#remove-checksum-file-btn').hide();
+            }
+        },
+
+        /**
+         * Remove selected checksum file
+         */
+        removeChecksumFile: function(e) {
+            e.preventDefault();
+            $('#new_checksum_file').val('');
+            $('#selected_checksum_name').text('');
+            $('#remove-checksum-file-btn').hide();
         },
 
         /**
@@ -216,6 +255,8 @@
                             $('#remove-version-file-btn').hide();
                             $('#sha256-hash-row').hide();
                             $('#new_checksum_file').val('');
+                            $('#selected_checksum_name').text('');
+                            $('#remove-checksum-file-btn').hide();
                         } else {
                             alert(response.data.message || wcLicensedProductVersions.strings.error);
                         }

releases/wc-licensed-product-0.2.1.zip.sha256

@@ -0,0 +1 @@
+7b895090538f9063fac1509b6f7a40a2b71dc9958b3a255cbfcc60d0320ae5e5  releases/wc-licensed-product-0.2.1.zip

src/Admin/VersionAdminController.php

@@ -101,7 +101,14 @@ final class VersionAdminController
                     <tr id="sha256-hash-row" style="display: none;">
                         <th><label for="new_checksum_file"><?php esc_html_e('Checksum File', 'wc-licensed-product'); ?></label></th>
                         <td>
-                            <input type="file" id="new_checksum_file" name="new_checksum_file" accept=".sha256,.txt" />
+                            <input type="file" id="new_checksum_file" name="new_checksum_file" accept=".sha256,.txt" style="display: none;" />
+                            <span id="selected_checksum_name" class="selected-file-name"></span>
+                            <button type="button" class="button" id="select-checksum-file-btn">
+                                <?php esc_html_e('Select Checksum File', 'wc-licensed-product'); ?>
+                            </button>
+                            <button type="button" class="button" id="remove-checksum-file-btn" style="display: none;">
+                                <?php esc_html_e('Remove', 'wc-licensed-product'); ?>
+                            </button>
                             <p class="description"><?php esc_html_e('Upload a SHA256 checksum file (.sha256 or .txt) to verify file integrity.', 'wc-licensed-product'); ?></p>
                         </td>
                     </tr>
@@ -128,6 +135,7 @@ final class VersionAdminController
                     <tr>
                         <th><?php esc_html_e('Version', 'wc-licensed-product'); ?></th>
                         <th><?php esc_html_e('Download File', 'wc-licensed-product'); ?></th>
+                        <th><?php esc_html_e('SHA256', 'wc-licensed-product'); ?></th>
                         <th><?php esc_html_e('Release Notes', 'wc-licensed-product'); ?></th>
                         <th><?php esc_html_e('Status', 'wc-licensed-product'); ?></th>
                         <th><?php esc_html_e('Released', 'wc-licensed-product'); ?></th>
@@ -137,7 +145,7 @@ final class VersionAdminController
                 <tbody>
                     <?php if (empty($versions)): ?>
                         <tr class="no-versions">
-                            <td colspan="6"><?php esc_html_e('No versions found. Add your first version above.', 'wc-licensed-product'); ?></td>
+                            <td colspan="7"><?php esc_html_e('No versions found. Add your first version above.', 'wc-licensed-product'); ?></td>
                         </tr>
                     <?php else: ?>
                         <?php foreach ($versions as $version): ?>
@@ -159,6 +167,13 @@ final class VersionAdminController
                                         <em><?php esc_html_e('No download file', 'wc-licensed-product'); ?></em>
                                     <?php endif; ?>
                                 </td>
+                                <td>
+                                    <?php if ($version->getFileHash()): ?>
+                                        <code class="file-hash" title="<?php echo esc_attr($version->getFileHash()); ?>"><?php echo esc_html(substr($version->getFileHash(), 0, 12)); ?>...</code>
+                                    <?php else: ?>
+                                        <em>—</em>
+                                    <?php endif; ?>
+                                </td>
                                 <td><?php echo esc_html($version->getReleaseNotes() ? wp_trim_words($version->getReleaseNotes(), 10) : '—'); ?></td>
                                 <td>
                                     <span class="version-status version-status-<?php echo $version->isActive() ? 'active' : 'inactive'; ?>">
@@ -381,6 +396,13 @@ final class VersionAdminController
                     <em><?php esc_html_e('No download file', 'wc-licensed-product'); ?></em>
                 <?php endif; ?>
             </td>
+            <td>
+                <?php if ($version->getFileHash()): ?>
+                    <code class="file-hash" title="<?php echo esc_attr($version->getFileHash()); ?>"><?php echo esc_html(substr($version->getFileHash(), 0, 12)); ?>...</code>
+                <?php else: ?>
+                    <em>—</em>
+                <?php endif; ?>
+            </td>
             <td><?php echo esc_html($version->getReleaseNotes() ? wp_trim_words($version->getReleaseNotes(), 10) : '—'); ?></td>
             <td>
                 <span class="version-status version-status-<?php echo $version->isActive() ? 'active' : 'inactive'; ?>">

src/Frontend/AccountController.php

@@ -129,6 +129,7 @@ final class AccountController
                             ),
                             'release_notes' => $version->getReleaseNotes(),
                             'released_at' => $version->getReleasedAt()->format(get_option('date_format')),
+                            'file_hash' => $version->getFileHash(),
                         ];
                     }
                 }

templates/frontend/licenses.html.twig

@@ -64,6 +64,12 @@
                                     </a>
                                     <span class="download-version">v{{ esc_html(download.version) }}</span>
                                     <span class="download-date">{{ esc_html(download.released_at) }}</span>
+                                    {% if download.file_hash %}
+                                        <span class="download-hash" title="{{ esc_attr(download.file_hash) }}">
+                                            <span class="dashicons dashicons-shield"></span>
+                                            <code>{{ download.file_hash[:12] }}...</code>
+                                        </span>
+                                    {% endif %}
                                 </li>
                             {% endfor %}
                         </ul>

wc-licensed-product.php

@@ -3,7 +3,7 @@
  * Plugin Name: WooCommerce Licensed Product
  * Plugin URI: https://src.bundespruefstelle.ch/magdev/wc-licensed-product
  * Description: WooCommerce plugin to sell software products using license keys with domain-based validation.
- * Version: 0.2.1
+ * Version: 0.2.2
  * Author: Marco Graetsch
  * Author URI: https://src.bundespruefstelle.ch/magdev
  * License: GPL-2.0-or-later
@@ -28,7 +28,7 @@ if (!defined('ABSPATH')) {
 }
 
 // Plugin constants
-define('WC_LICENSED_PRODUCT_VERSION', '0.2.1');
+define('WC_LICENSED_PRODUCT_VERSION', '0.2.2');
 define('WC_LICENSED_PRODUCT_PLUGIN_FILE', __FILE__);
 define('WC_LICENSED_PRODUCT_PLUGIN_DIR', plugin_dir_path(__FILE__));
 define('WC_LICENSED_PRODUCT_PLUGIN_URL', plugin_dir_url(__FILE__));