Persist list sorting in session

Makefile

@@ -54,7 +54,7 @@ test-x :
 test-wip :
 	poetry run python -m pytest tests -m wip
 
-.PHONY : css docker \
+.PHONY : css docker docker-deploy \
 	db-init db-migrate db-upgrad db-downgrade \
 	lint shell serve \
 	requirements.txt requirements-dev.txt \

sigl/views/lists.py

@@ -12,6 +12,7 @@ from flask import (
     redirect,
     render_template,
     request,
+    session,
     url_for,
 )
 
@@ -73,13 +74,21 @@ def detail(id):
         if not sList:
             raise NotFoundError(f'List {id} not found')
 
-        sortBy = request.args.get('sort', 'none')
-        sortStore = request.args.get('store', '')
+        # Load sorting from request (or session)
+        sSort = session.get(f'sorting-{id}', {})
+        sortBy = request.args.get('sort', sSort.get('sort', 'none'))
+        sortStore = request.args.get('store', sSort.get('store', ''))
 
         if sortBy not in ('none', 'category', 'store'):
             flash(f'Invalid sorting mode {sortBy}', 'warning')
             sortBy = 'category'
 
+        # Store sorting back to the session
+        session[f'sorting-{id}'] = {
+            'sort': sortBy,
+            'store': sortStore,
+        }
+
         groups = dict()
         for e in sList.entries:
             if sortBy == 'category':