add: file formats fnctionality

admin/admin.py

@@ -3,6 +3,7 @@
 __copyright__ = 'Copyright (c) 2024, Utrecht University'
 __license__   = 'GPLv3, see LICENSE'
 
+import os
 import html
 import json
 from functools import wraps
@@ -16,6 +17,7 @@
     Flask,
     g,
     jsonify,
+    make_response,
     redirect,
     render_template,
     request,
@@ -29,6 +31,8 @@
 
 import api
 from util import get_theme_directories, length_check
+from werkzeug.utils import secure_filename
+from irods.message import iRODSMessage
 
 # Blueprint configuration
 admin_bp = Blueprint("admin_bp", __name__,
@@ -271,3 +275,48 @@ def get_publication_terms()  -> Optional[str]:
         flash("Failed to load publication terms from API", "error")
 
     return "Error: failed to read publication terms"
+
+
+@admin_bp.route('/upload_file_formats', methods=['POST'])
+@admin_required
+def upload_file_formats():
+    filename = secure_filename(request.files['file'].filename)
+    if not filename.endswith('.json'):
+        flash("Uploaded file for file formats is not a JSON file.", "danger")
+        return redirect(url_for("admin_bp.index"))
+
+    file_path = os.path.join("/" + g.irods.zone, 'yoda', 'file_formats', filename)
+
+    # Get the chunk data.
+    data = request.files['file']
+    encode_unicode_content = iRODSMessage.encode_unicode(data.stream.read())
+
+    try:
+        with g.irods.data_objects.open(file_path, 'w') as obj_desc:
+            obj_desc.write(encode_unicode_content)
+        obj_desc.close()
+        flash("File Formats uploaded successfully.", "success")
+    except Exception:
+        flash("Failed to upload File Formats", "error")
+
+    return redirect(url_for("admin_bp.index"))
+
+
+@admin_bp.route('/delete_file_formats', methods=['POST'])
+@admin_required
+def delete_file_formats():
+    filename = request.form.get('filename')
+
+    if not filename:
+        flash("No File Formats specified for deletion.", "danger")
+        return redirect(url_for("admin_bp.index"))
+
+    file_path = os.path.join("/" + g.irods.zone, 'yoda', 'file_formats', filename + '.json')
+    print(file_path)
+    try:
+        g.irods.data_objects.unlink(file_path, force=True)
+        flash(f"File '{filename}' deleted successfully.", "success")
+    except Exception as e:
+        flash("Failed to delete File Formats.", "danger")
+
+    return redirect(url_for("admin_bp.index"))

admin/static/admin/js/file_formats.js

@@ -0,0 +1,30 @@
+$(function () {
+    Yoda.call('vault_preservable_formats_lists').then((data) => {
+        preservableFormatsLists = data
+        $('#file-formats-list').html("<option value='' disabled selected>Select a file format list</option>")
+        for (const list in data) {
+            if (Object.prototype.hasOwnProperty.call(data, list)) {
+                $('#file-formats-list').append(new Option(data[list].name, list))
+            }
+        }
+    })
+
+    document.getElementById('upload-button').addEventListener('click', function() {
+        document.getElementById('file').click()
+    })
+
+    document.getElementById('file').addEventListener('change', function() {
+        if (this.files.length > 0) {
+            this.form.submit()
+        }
+    })
+
+    $('#file-formats-list').on('change', function() {
+        let selectedValue = $(this).val();
+        if (selectedValue) {
+            $('#delete-format-button').prop('disabled', false)
+        } else {
+            $('#delete-format-button').prop('disabled', true)
+        }
+    })
+})

admin/templates/admin/admin.html

@@ -4,7 +4,9 @@
 
 {% block scripts %}
 <script src="{{ url_for('static', filename='lib/purify-3.1.6/js/purify.min.js') }}"></script>
+<script src="{{ url_for('static', filename='lib/jquery-3.7.1/jquery-3.7.1.min.js') }}"></script>
 <script src="{{ url_for('admin_bp.static', filename='js/create_preview.js') }}"></script>
+<script src="{{ url_for('admin_bp.static', filename='js/file_formats.js') }}"></script>
 {% endblock scripts %}
 
 {% block content %}
@@ -63,7 +65,7 @@ <h2 class="card-title">Portal Theme</h2>
                 </div>
 
                 <!-- Publication Terms Section -->
-                <div>
+                <div class="mb-4">
                     <h2 class="card-title">Publication Terms</h2>
                     <div class="d-flex justify-content-start align-items-end">
                         <form action="{{ url_for('admin_bp.set_publication_terms') }}" method="post"
@@ -80,6 +82,29 @@ <h2 class="card-title">Publication Terms</h2>
                         </form>
                     </div>
                 </div>
+
+                <!-- File Formats Section -->
+                <div class="mb-4">
+                    <h2 class="card-title">File Formats</h2>
+                    <div class="mb-3">
+                        <label>List of File Formats:</label>
+                        <form action="{{ url_for('admin_bp.delete_file_formats') }}" method="post" class="flex-fill me-2 needs-validation" novalidate>
+                            <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
+                            <select class="form-control" id="file-formats-list" name="filename" required>
+                                <option value="" disabled selected>Select a file format to delete</option>
+                            </select>
+                            <button type="submit" class="btn btn-danger" id="delete-format-button" disabled>Delete File Formats</button>
+                        </form>
+                    </div>
+                    <div class="mb-3">
+                        <label>Upload new File Formats:</label>
+                        <form action="{{ url_for('admin_bp.upload_file_formats') }}" method="post" enctype="multipart/form-data" class="flex-fill me-2 needs-validation" novalidate>
+                            <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
+                            <input type="file" name="file" id="file" class="d-none" required>
+                            <button type="button" class="btn btn-primary" id="upload-button">Upload File Formats</button>
+                        </form>
+                    </div>
+                </div>
             </div>
         </section>
     </main>