Merge pull request #10 from acdh-oeaw/migrate-notes-to-comments

Migrate notes to comments

apis_ontology/management/commands/migrate_notes_to_comments.py

@@ -0,0 +1,48 @@
+import logging
+import pandas as pd
+from django.core.management.base import BaseCommand
+from apis_ontology.models import Person, Place, Work, Instance
+
+logger = logging.getLogger(__name__)
+pd.set_option("display.max_colwidth", None)
+
+
+class Command(BaseCommand):
+    """
+    Migrates values from Legacy Notes field to Comments
+    for Person, Place, Instance and Work objects
+    """
+
+    def handle(self, *args, **kwargs):
+        """
+        copies values from Notes to Comments
+        """
+
+        def copy_to_comments(obj):
+            if not obj.notes:
+                return
+
+            logging.debug("Copying notes for obj [%s]: %s", obj.pk, obj.notes)
+
+            if not obj.comments:
+                obj.comments = ""
+            else:
+                obj.comments += "\n"
+                logging.debug("Existing comments: %s", obj.comments)
+
+            obj.comments += obj.notes
+            obj.notes = ""
+            obj.save()
+            logging.debug("Saved obj %s", obj.pk)
+
+        for obj in Person.objects.all():
+            copy_to_comments(obj)
+
+        for obj in Place.objects.all():
+            copy_to_comments(obj)
+
+        for obj in Work.objects.all():
+            copy_to_comments(obj)
+
+        for obj in Instance.objects.all():
+            copy_to_comments(obj)