Add back corpus export.

web/app/corpora/events.py

@@ -24,27 +24,21 @@ corpus_analysis_sessions = {}
 corpus_analysis_clients = {}
 
 
-@socketio.on('corpus_create_zip')
+@socketio.on('export_corpus')
 @socketio_login_required
-def corpus_create_zip(corpus_id):
+def export_corpus(corpus_id):
+    # TODO: This should not be get_or_404 here - Socket.IO != HTTP request
     corpus = Corpus.query.get_or_404(corpus_id)
     # delete old corpus archive if it exists/has been build before
-    if corpus.archive_file is not None:
-        if (os.path.isfile(corpus.archive_file)):
+    if corpus.archive_file is not None and os.path.isfile(corpus.archive_file):
         os.remove(corpus.archive_file)
-    root_dir = os.path.join(current_app.config['DATA_DIR'],
-                            str(current_user.id),
-                            'corpora')
-    base_dir = os.path.join(root_dir, str(corpus.id))
     zip_name = corpus.title
-    zip_path = os.path.join(root_dir, zip_name)
-    corpus.archive_file = os.path.join(base_dir, zip_name) + '.zip'
+    zip_path = os.path.join(current_user.path, 'corpora', zip_name)
+    corpus.archive_file = os.path.join(corpus.path, zip_name) + '.zip'
     db.session.commit()
-    shutil.make_archive(zip_path,
-                        'zip',
-                        base_dir)
+    shutil.make_archive(zip_path, 'zip', corpus.path)
     shutil.move(zip_path + '.zip', corpus.archive_file)
-    socketio.emit('corpus_zip_created', room=request.sid)
+    socketio.emit('export_corpus_' + str(corpus.id), room=request.sid)
 
 
 @socketio.on('corpus_analysis_init')

web/app/corpora/views.py

@@ -123,9 +123,9 @@ def corpus(corpus_id):
                            corpus_files=corpus_files, title='Corpus')
 
 
-@corpora.route('/<int:corpus_id>/export')
+@corpora.route('/<int:corpus_id>/download')
 @login_required
-def export_corpus(corpus_id):
+def download_corpus(corpus_id):
     corpus = Corpus.query.get_or_404(corpus_id)
     if not (corpus.creator == current_user or current_user.is_administrator()):
         abort(403)

web/app/static/js/nopaque/displays/CorpusDisplay.js

@@ -7,6 +7,8 @@ class CorpusDisplay extends RessourceDisplay {
 
   init(corpus) {
     this.corpus = corpus;
+    for (let exportCorpusTriggerElement of this.displayElement.querySelectorAll('.export-corpus-trigger')) {exportCorpusTriggerElement.addEventListener('click', () => this.requestCorpusExport());}
+    nopaque.appClient.socket.on(`export_corpus_${this.corpus.id}`, () => this.downloadCorpus());
     this.setCreationDate(this.corpus.creation_date);
     this.setDescription(this.corpus.description);
     this.setLastEditedDate(this.corpus.last_edited_date);
@@ -33,6 +35,21 @@ class CorpusDisplay extends RessourceDisplay {
     }
   }
 
+  requestCorpusExport() {
+    nopaque.appClient.socket.emit('export_corpus', this.corpus.id);
+    nopaque.flash('Preparing your corpus export...', 'corpus');
+    for (let exportCorpusTriggerElement of this.displayElement.querySelectorAll('.export-corpus-trigger')) {exportCorpusTriggerElement.classList.toggle('disabled', true);}
+  }
+
+  downloadCorpus() {
+    nopaque.flash('Corpus export is done. Your corpus download is ready!', 'corpus');
+    for (let exportCorpusTriggerElement of this.displayElement.querySelectorAll('.export-corpus-trigger')) {exportCorpusTriggerElement.classList.toggle('disabled', false);}
+    // Little trick to call the download view after ziping has finished
+    let fakeBtn = document.createElement('a');
+    fakeBtn.href = `/corpora/${this.corpus.id}/download`;
+    fakeBtn.click();
+  }
+
   setTitle(title) {
     for (let element of this.displayElement.querySelectorAll('.corpus-title')) {this.setElement(element, title);}
   }

web/app/templates/corpora/corpus.html.j2

@@ -72,7 +72,7 @@
         <div class="card-action right-align">
           <a class="analyse-corpus-trigger btn disabled waves-effect waves-light" href="{{ url_for('corpora.analyse_corpus', corpus_id=corpus.id) }}"><i class="material-icons left">search</i>Analyze</a>
           <a class="btn build-corpus-trigger disabled waves-effect waves-light" href="{{ url_for('corpora.prepare_corpus', corpus_id=corpus.id) }}"><i class="material-icons left">build</i>Build</a>
-          <a class="btn hide waves-effect waves-light" id="corpus-export"><i class="material-icons left">import_export</i>Export Corpus</a>
+          <a class="btn export-corpus-trigger waves-effect waves-light"><i class="material-icons left">import_export</i>Export</a>
           <a class="btn modal-trigger red waves-effect waves-light" data-target="delete-corpus-modal"><i class="material-icons left">delete</i>Delete</a>
         </div>
       </div>
@@ -127,6 +127,5 @@
   nopaque.appClient.loadUser({{ corpus.creator.id }});
   let corpusDisplay = new CorpusDisplay(document.querySelector('#corpus-display'));
   let corpusFileList = new CorpusFileList(document.querySelector('#corpus-files'));
-  //let jobInputList = new CorpusFileList(document.querySelector('#job-inputs'));
 </script>
 {% endblock scripts %}