Add support for reserved seating (#1228)

* Initial work on seating

* Add seat guids

* Add product_list_top

* CartAdd: Ignore item when a seat is passed

* Cart display

* product_list_top → render_seating_plan

* Render seating plan in voucher redemption

* Fix failing tests

* Add tests for extending cart positions with seats

* Add subevent_forms to docs

* Update schema, migrations

* Dealing with expired orders

* steps to order change

* Change order positions

* Allow to add seats

* tests for ocm

* Fix things after rebase

* Seating plans API

* Add more tests for cart behaviour

* Widget support

* Adjust widget tests

* Re-enable CSP

* Update schema

* Api: position.seat

* Add guid to word list

* API: (sub)event.seating_plan

* Vali fixes

* Fix api

* Fix reference in test

* Fix test for real

src/tests/api/test_seatingplans.py

@@ -0,0 +1,174 @@
+import copy
+import json
+
+import pytest
+from django_scopes import scopes_disabled
+
+from pretix.base.models import SeatingPlan
+
+SAMPLE_PLAN = """{
+  "name": "Sample plan",
+  "categories": [
+    {
+      "name": "Stalls",
+      "color": "#33ffff"
+    }
+  ],
+  "zones": [
+    {
+      "name": "Main Area",
+      "position": {
+        "x": 0,
+        "y": 0
+      },
+      "row_number_position": "left",
+      "rows": [
+        {
+          "row_number": "0",
+          "seats": [
+            {
+              "seat_guid": "0-0",
+              "seat_number": "0-0",
+              "position": {
+                "x": 0,
+                "y": 0
+              },
+              "category": "Stalls"
+            },
+            {
+              "seat_guid": "0-1",
+              "seat_number": "0-1",
+              "position": {
+                "x": 30,
+                "y": 0
+              },
+              "category": "Stalls"
+            }
+          ],
+          "position": {
+            "x": 40,
+            "y": 25
+          }
+        }
+      ]
+    }
+  ],
+  "size": {
+    "width": 600,
+    "height": 500
+  }
+}"""
+
+
+@pytest.fixture
+def seatingplan(organizer, event):
+    wh = organizer.seating_plans.create(
+        name="Plan",
+        layout=SAMPLE_PLAN
+    )
+    return wh
+
+
+TEST_PLAN_RES = {
+    "id": 1,
+    "name": "Plan",
+    "layout": json.loads(SAMPLE_PLAN)
+}
+
+
+@pytest.mark.django_db
+def test_plan_list(token_client, organizer, event, seatingplan):
+    res = dict(TEST_PLAN_RES)
+    res["id"] = seatingplan.pk
+
+    resp = token_client.get('/api/v1/organizers/{}/seatingplans/'.format(organizer.slug))
+    assert resp.status_code == 200
+    assert [res] == resp.data['results']
+
+
+@pytest.mark.django_db
+def test_plan_detail(token_client, organizer, event, seatingplan):
+    res = dict(TEST_PLAN_RES)
+    res["id"] = seatingplan.pk
+    resp = token_client.get('/api/v1/organizers/{}/seatingplans/{}/'.format(organizer.slug, seatingplan.pk))
+    assert resp.status_code == 200
+    assert res == resp.data
+
+
+TEST_PLAN_CREATE_PAYLOAD = {
+    "name": "Plan 2",
+    "layout": json.loads(SAMPLE_PLAN)
+}
+
+
+@pytest.mark.django_db
+def test_plan_create(token_client, organizer, event):
+    resp = token_client.post(
+        '/api/v1/organizers/{}/seatingplans/'.format(organizer.slug),
+        TEST_PLAN_CREATE_PAYLOAD,
+        format='json'
+    )
+    assert resp.status_code == 201
+    with scopes_disabled():
+        cl = SeatingPlan.objects.get(pk=resp.data['id'])
+        assert json.loads(cl.layout) == TEST_PLAN_CREATE_PAYLOAD['layout']
+
+
+@pytest.mark.django_db
+def test_plan_create_invalid_layout(token_client, organizer, event):
+    res = copy.copy(TEST_PLAN_CREATE_PAYLOAD)
+    res['layout'] = {'foo': 'bar'}
+    resp = token_client.post(
+        '/api/v1/organizers/{}/seatingplans/'.format(organizer.slug),
+        res,
+        format='json'
+    )
+    assert resp.status_code == 400
+
+
+@pytest.mark.django_db
+def test_plan_patch(token_client, organizer, event, seatingplan):
+    resp = token_client.patch(
+        '/api/v1/organizers/{}/seatingplans/{}/'.format(organizer.slug, seatingplan.pk),
+        {
+            'name': 'Foo'
+        },
+        format='json'
+    )
+    assert resp.status_code == 200
+    seatingplan.refresh_from_db()
+    assert seatingplan.name == "Foo"
+
+
+@pytest.mark.django_db
+def test_plan_delete(token_client, organizer, event, seatingplan):
+    resp = token_client.delete(
+        '/api/v1/organizers/{}/seatingplans/{}/'.format(organizer.slug, seatingplan.pk),
+    )
+    assert resp.status_code == 204
+    with scopes_disabled():
+        assert SeatingPlan.objects.count() == 0
+
+
+@pytest.mark.django_db
+def test_plan_patch_used(token_client, organizer, event, seatingplan):
+    event.seating_plan = seatingplan
+    event.save()
+    resp = token_client.patch(
+        '/api/v1/organizers/{}/seatingplans/{}/'.format(organizer.slug, seatingplan.pk),
+        {
+            'name': 'Foo'
+        },
+        format='json'
+    )
+    assert resp.status_code == 403
+
+
+@pytest.mark.django_db
+def test_plan_delete_used(token_client, organizer, event, seatingplan):
+    event.seating_plan = seatingplan
+    event.save()
+    resp = token_client.delete(
+        '/api/v1/organizers/{}/seatingplans/{}/'.format(organizer.slug, seatingplan.pk),
+    )
+    assert resp.status_code == 403