implement full export

zesje/api.py

@@ -9,6 +9,7 @@ from .resources.submissions import Submissions
 from .resources import signature
 from .resources import images
 from .resources import summary_plot
+from .resources import export
 from .resources.problems import Problems
 from .resources.feedback import Feedback
 
@@ -53,3 +54,9 @@ api_bp.add_url_rule(
     'exam_summary',
     summary_plot.get,
 )
+
+api_bp.add_url_rule(
+    '/export/full',
+    'full_export',
+    export.full,
+)

zesje/resources/export.py

+import os
+from io import BytesIO
+from flask import abort, Response, current_app as app
+from pony import orm
+
+from ..helpers import db_helper
+
+
+def full():
+    """Export the complete database
+
+    Returns
+    -------
+    course.sqlite
+    """
+    data_dir = app.config['DATA_DIRECTORY']
+
+    with open(os.path.join(data_dir, 'course.sqlite'), 'rb') as f:
+        data = f.read()
+    resp = Response(data, 200)
+    resp.headers.set('Content-Disposition', 'attachment',
+                     filename='course.sqlite')
+    return resp