Insert content block in correct location when migrating snapshots

server/books/management/commands/migrate_objective_snapshots.py

@@ -24,11 +24,8 @@ class Command(BaseCommand):
         - Verlagsinhalte - deafult content blocks are referced in the snapshot by foreign key
 
         Man muss unterscheiden zwischen, snapshots die nur Verlagslernziele sichtbar und unsichtbar machen.
-
         Und solchen die auch benutzerdefinierte Lernziele sichtbar und unsichtbar machen.
-
         Es gibt keine custom objective groups!
-
         Es gibt keine hidden custom objective_groups
 
         Case1:
@@ -113,7 +110,6 @@ def migrate_snapshots():
                     visible_objectives = visible_default_objectives + visible_custom_objectives
 
                     # filter for unique texts in objectives
-                    # TODO: I don't know why there are duplicated objectives
                     objectives_by_texts = {}
                     for objective in visible_objectives:
                         if objective.text not in objectives_by_texts:
@@ -203,7 +199,8 @@ def get_objectives_group_snapshots_in_specific_order(module: Module, snapshot: S
     # https://stackoverflow.com/questions/5966462/sort-queryset-by-values-in-list
     # https://docs.djangoproject.com/en/5.0/ref/models/conditional-expressions/
     order_of_objective_groups = ["language_communication", "society", "interdisciplinary"]
-    _whens = [models.When(objective_group__title=value, then=sort_index) for sort_index, value in enumerate(order_of_objective_groups)]
+    _whens = [models.When(objective_group__title=value, then=sort_index) for sort_index, value in
+              enumerate(order_of_objective_groups)]
 
     qs = snapshot.objective_groups.through.objects.filter(
         objective_group__module=module,

server/books/management/commands/migrate_objectives_to_content.py

@@ -237,16 +237,34 @@ def create_content_block_from_objective(objective_group, chapter, owner=None):
     return content_block
 
 
+def insert_content_block(chapter, content_block):
+    "" "Inserts the content block into the chapter."""
+    if chapter.title != "Lernziele":
+        return chapter
+
+    siblings = chapter.get_children()
+    siblings_titles = [sibling.title for sibling in siblings]
+
+    # get the index of the last occurrence of the title
+    target_position = len(siblings_titles) - 1 - siblings_titles[::-1].index(content_block.title)
+
+    target_child = siblings[target_position]
+    target_child.add_sibling(instance=content_block, pos="left")
+    return chapter
+
+
 def create_content_block_snapshot_from_objective(objective_group, chapter, snapshot, owner=None):
     content_block_snapshot = ContentBlockSnapshot(
         title=f"{objective_group.get_title_display()}",
         type="normal",
         owner=owner,
+        #original_creator=owner,
         user_created=owner is not None,
         snapshot=snapshot
     )
 
-    chapter.add_child(instance=content_block_snapshot)
+    insert_content_block(chapter, content_block_snapshot)
+
     return content_block_snapshot
 
 

server/books/management/commands/print_lernziele_order.py

@@ -0,0 +1,28 @@
+import json
+from logging import getLogger
+
+from django.core.management import BaseCommand
+
+from books.management.commands.migrate_objectives_to_content import create_text_in_content_block, \
+    create_content_block_snapshot_from_objective, \
+    create_content_block_contents
+from books.models import Chapter, ObjectiveGroupSnapshot, ContentBlockSnapshot, Snapshot, ChapterSnapshot
+from books.models import ContentBlock
+from books.models import Module
+from objectives.models import Objective, ObjectiveSnapshot, ObjectiveGroup
+
+logger = getLogger(__name__)
+
+
+class Command(BaseCommand):
+    def handle(self, *args, **options):
+
+        analyze()
+
+
+
+def analyze():
+    for chapter in Chapter.objects.filter(title="Lernziele"):
+        print(f"Chapter: {chapter.get_parent().title}  {[cb.title for cb in ContentBlock.get_by_parent(chapter)]}")
+        # [cb.delete() for cb in ContentBlock.get_by_parent(chapter)]
+        # chapter.delete()

server/books/tests/test_snapshots_migration.py

@@ -41,24 +41,23 @@ class TestSnapshotMigration(SkillboxTestCase):
         ChapterFactory(parent=self.module, slug='some-other-chapter', owner=self.admin)
 
         objective_group = ObjectiveGroupFactory(module=self.module, title='society')
-        second_objective_group = ObjectiveGroupFactory(module=self.module, title='language_communication')
-
         self.visible_objective = ObjectiveFactory(text='visible-objective', group=objective_group)
         self.visible_objective_2 = ObjectiveFactory(text='hidden-objective', group=objective_group)
         self.custom_objective = ObjectiveFactory(text='custom-objective', group=objective_group, owner=self.teacher)
-        self.custom_hidden_objective = ObjectiveFactory(text='custom-hidden-objective', group=objective_group,
-                                                        owner=self.teacher)
-
-        self.visible_objective = ObjectiveFactory(text='objective1', group=second_objective_group)
-
         self.custom_objective.visible_for.add(self.skillbox_class)
         self.custom_objective.save()
 
+        self.custom_hidden_objective = ObjectiveFactory(text='custom-hidden-objective', group=objective_group,
+                                                        owner=self.teacher)
+        self.custom_hidden_objective.visible_for.remove(self.skillbox_class)
+        self.custom_hidden_objective.save()
+
+
+        second_objective_group = ObjectiveGroupFactory(module=self.module, title='language_communication')
+        self.visible_objective = ObjectiveFactory(text='objective1', group=second_objective_group)
         second_objective_group.hidden_for.add(self.skillbox_class)
         second_objective_group.save()
 
-        self.custom_hidden_objective.visible_for.remove(self.skillbox_class)
-
         self.snapshot1 = Snapshot.objects.create_snapshot(self.module, self.skillbox_class, self.teacher)
 
         migrate_objectives_to_content()
@@ -67,10 +66,13 @@ class TestSnapshotMigration(SkillboxTestCase):
 
         # Change visibility of objectives resp. content blocks, hide all
 
-        for content_block in ContentBlock.objects.all().descendant_of(self.chapter):
+        for content_block in ContentBlock.objects.all().descendant_of(self.module):
             if content_block.owner is None:
+                print(f"Titel verlagsinhalt {content_block.title}")
                 content_block.hidden_for.add(self.skillbox_class)
+
             else:
+                print(f"Titel Benutzerinhal {content_block.title}")
                 content_block.visible_for.remove(self.skillbox_class)
             content_block.save()
 
@@ -138,7 +140,6 @@ class TestSnapshotMigration(SkillboxTestCase):
         self.assertEqual(default_content['hiddenFor'], [{'name': 'skillbox'}])
 
     def test_snapshot_migration_hidden_custom_content_apply_snapshot(self):
-        # custom content from bevore the snapshot must be hidden (visible for nobody)
         self.snapshot1.apply(self.teacher, self.school_class)
 
         result = self.client.execute(MODULE_QUERY, variables={
@@ -150,14 +151,13 @@ class TestSnapshotMigration(SkillboxTestCase):
 
         self.assertEqual(custom['title'], 'Gesellschaft')
         self.assertTrue(custom['userCreated'])
-        self.assertTrue(custom['originalCreator'] is not None)
+        self.assertTrue(custom['originalCreator'] is None)
         self.assertEqual(custom['hiddenFor'], [])
-        self.assertEqual(custom['visibleFor'], [])
+        self.assertEqual(custom['visibleFor'], [{'name': 'skillbox'}])
         self.assertEqual(custom['contents'][0]['value']['text'],
                          '<ul><li>visible-objective</li><li>hidden-objective</li><li>custom-objective</li></ul>')
 
     def test_snapshot_migration_hidden_content_block_apply_snapshot_2(self):
-        # custom content from bevore the snapshot must be hidden (visible for nobody)
         self.snapshot1.apply(self.teacher, self.school_class)
 
         result = self.client.execute(MODULE_QUERY, variables={
@@ -184,7 +184,7 @@ class TestSnapshotMigration(SkillboxTestCase):
         })
         module = result.data['module']
         chapter1 = module['chapters'][0]
-        _, _, _, new_content_block = chapter1['contentBlocks']
+        _, _, new_content_block, _ = chapter1['contentBlocks']
 
         self.assertEqual(new_content_block['title'], 'Gesellschaft')
         self.assertTrue(new_content_block['userCreated'])

server/test_objectives_migrations.sh

@@ -7,6 +7,5 @@ pg_dump -Fc --no-acl -h localhost -U skillbox skillbox > latest-migrated-objecti
 python manage.py migrate_objective_snapshots
 pg_dump -Fc --no-acl -h localhost -U skillbox skillbox > latest-migrated-objectives-and-snapshots.dump
 
-
 #Use this command to restore the database from the dump:
 #pg_restore --verbose --clean --no-acl --no-owner -h localhost -U skillbox -d skillbox latest-migrated-objectives.dump