Merge branch 'public-corpus' of gitlab.ub.uni-bielefeld.de:sfb1288inf/nopaque into public-corpus

app/corpora/events.py

@@ -0,0 +1,45 @@
+from flask_login import current_user
+from flask_socketio import join_room
+from app import hashids, socketio
+from app.decorators import socketio_login_required
+from app.models import Corpus
+
+
+@socketio.on('GET /corpora/<corpus_id>')
+@socketio_login_required
+def get_corpus(corpus_hashid):
+    corpus_id = hashids.decode(corpus_hashid)
+    corpus = Corpus.query.get(corpus_id)
+    if corpus is None:
+        return {'options': {'status': 404, 'statusText': 'Not found'}}
+    if not (
+        corpus.is_public
+        or corpus.user == current_user
+        or current_user.is_administrator()
+    ):
+        return {'options': {'status': 403, 'statusText': 'Forbidden'}}
+    return {
+        'body': corpus.to_json_serializable(),
+        'options': {
+            'status': 200,
+            'statusText': 'OK',
+            'headers': {'Content-Type: application/json'}
+        }
+    }
+
+
+@socketio.on('SUBSCRIBE /corpora/<corpus_id>')
+@socketio_login_required
+def subscribe_corpus(corpus_hashid):
+    corpus_id = hashids.decode(corpus_hashid)
+    corpus = Corpus.query.get(corpus_id)
+    if corpus is None:
+        return {'options': {'status': 404, 'statusText': 'Not found'}}
+    if not (
+        corpus.is_public
+        or corpus.user == current_user
+        or current_user.is_administrator()
+    ):
+        return {'options': {'status': 403, 'statusText': 'Forbidden'}}
+    join_room(f'/corpora/{corpus.hashid}')
+    return {'options': {'status': 200, 'statusText': 'OK'}}