Create migration test command

server/books/management/commands/migrate_objectives_to_content.py

@@ -0,0 +1,79 @@
+import json
+
+from django.core.management import BaseCommand
+
+from books.blocks import TextBlock
+from books.categorize_modules import categorize_modules, delete_unused_levels, uncategorize_modules, \
+    delete_unused_categories
+from books.categorize_modules import create_default_levels_and_categories
+from books.models import Module
+from books.models import ContentBlock, Chapter
+
+from books.models import ContentBlock
+
+
+class Command(BaseCommand):
+    def handle(self, *args, **options):
+        ContentBlock.objects.filter(title__startswith="TESTOBJECTIVE").delete()
+        Chapter.objects.filter(title__startswith="TESTOBJECTIVE").delete()
+        ContentBlock.objects.filter(title__startswith="XXX").delete()
+        Chapter.objects.filter(title__startswith="XXX").delete()
+
+        for module in Module.objects.filter(title="Politische Streitfragen"):
+            print(f"Module: {module}")
+            chapter = create_chapter_from_objective_group(module)
+
+            for objective_group in module.objective_groups.all():
+                print(f"   Objective group: {objective_group}")
+                print("      Default objectives:")
+                content_block = create_content_block_from_objective(objective_group, chapter)
+
+                default_objectives = objective_group.objectives.filter(owner__isnull=True)
+                content_block = create_text_in_content_block(default_objectives, content_block)
+
+                for objective in default_objectives:
+                    print(f"      Objective: {objective}   {objective.owner}")
+
+                custom_objectives = objective_group.objectives.filter(owner__isnull=False)
+                create_text_in_content_block(custom_objectives, content_block)
+
+                print("      Custom objectives:")
+                for objective in custom_objectives:
+                    print(f"      Objective: {objective}   {objective.owner}")
+
+                print("")
+
+
+
+def create_chapter_from_objective_group(module):
+    chapter = Chapter(title=f"XXX Leistungsziele")
+    #
+    first_sibling = module.get_first_child()
+    if first_sibling is not None:
+        first_sibling.add_sibling(instance=chapter, pos='left')
+
+    chapter.save_revision().publish()
+    chapter.save()
+    return chapter
+
+def create_content_block_from_objective(objective_group, chapter):
+
+    content_block = ContentBlock(
+        title=f"XXX {objective_group.title}",
+        type="normal"
+    )
+    chapter.add_child(instance=content_block)
+
+    return content_block
+
+def create_text_in_content_block( objectives, content_block):
+    print(content_block.contents)
+    texts = [{'type': 'text_block',
+            'value': {
+                'text': f"- {objective.text}"
+            }} for objective in objectives]
+    content_block.contents = json.dumps(texts)
+    content_block.save_revision().publish()
+    return content_block
+
+