refactor-migration again

backend/igny8_core/modules/writer/migrations/0008_field_rename_implementation.py

@@ -0,0 +1,120 @@
+# Generated manually for field rename implementation
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('planner', '0005_field_rename_implementation'),
+        ('writer', '0007_alter_contenttaxonomyrelation_unique_together_and_more'),
+    ]
+
+    operations = [
+        # Rename database columns for Tasks
+        migrations.RunSQL(
+            sql="""
+                -- Rename Tasks columns (only if they exist)
+                DO $$
+                BEGIN
+                    IF EXISTS (SELECT 1 FROM information_schema.columns 
+                              WHERE table_name = 'igny8_tasks' AND column_name = 'entity_type') THEN
+                        ALTER TABLE igny8_tasks RENAME COLUMN entity_type TO content_type;
+                    END IF;
+                    
+                    IF EXISTS (SELECT 1 FROM information_schema.columns 
+                              WHERE table_name = 'igny8_tasks' AND column_name = 'cluster_role') THEN
+                        ALTER TABLE igny8_tasks RENAME COLUMN cluster_role TO content_structure;
+                    END IF;
+                END $$;
+                
+                -- Drop old indexes if they exist
+                DROP INDEX IF EXISTS igny8_tasks_entity__1dc185_idx;
+                DROP INDEX IF EXISTS igny8_tasks_cluster_c87903_idx;
+                
+                -- Create new indexes
+                CREATE INDEX IF NOT EXISTS igny8_tasks_content_type_idx ON igny8_tasks(content_type);
+                CREATE INDEX IF NOT EXISTS igny8_tasks_content_structure_idx ON igny8_tasks(content_structure);
+            """,
+            reverse_sql="""
+                ALTER TABLE igny8_tasks RENAME COLUMN content_type TO entity_type;
+                ALTER TABLE igny8_tasks RENAME COLUMN content_structure TO cluster_role;
+                DROP INDEX IF EXISTS igny8_tasks_content_type_idx;
+                DROP INDEX IF EXISTS igny8_tasks_content_structure_idx;
+                CREATE INDEX igny8_tasks_entity__1dc185_idx ON igny8_tasks(entity_type);
+                CREATE INDEX igny8_tasks_cluster_c87903_idx ON igny8_tasks(cluster_role);
+            """
+        ),
+        
+        # Rename database columns for Content
+        migrations.RunSQL(
+            sql="""
+                -- Rename Content columns (only if they exist)
+                DO $$
+                BEGIN
+                    IF EXISTS (SELECT 1 FROM information_schema.columns 
+                              WHERE table_name = 'igny8_content' AND column_name = 'entity_type') THEN
+                        ALTER TABLE igny8_content RENAME COLUMN entity_type TO content_type;
+                    END IF;
+                    
+                    IF EXISTS (SELECT 1 FROM information_schema.columns 
+                              WHERE table_name = 'igny8_content' AND column_name = 'cluster_role') THEN
+                        ALTER TABLE igny8_content RENAME COLUMN cluster_role TO content_structure;
+                    END IF;
+                    
+                    IF EXISTS (SELECT 1 FROM information_schema.columns 
+                              WHERE table_name = 'igny8_content' AND column_name = 'html_content') THEN
+                        ALTER TABLE igny8_content RENAME COLUMN html_content TO content_html;
+                    END IF;
+                END $$;
+                
+                -- Drop old indexes if they exist
+                DROP INDEX IF EXISTS igny8_conte_entity__f559b3_idx;
+                DROP INDEX IF EXISTS igny8_conte_cluster_32e22a_idx;
+                
+                -- Create new indexes
+                CREATE INDEX IF NOT EXISTS igny8_content_content_type_idx ON igny8_content(content_type);
+                CREATE INDEX IF NOT EXISTS igny8_content_content_structure_idx ON igny8_content(content_structure);
+            """,
+            reverse_sql="""
+                ALTER TABLE igny8_content RENAME COLUMN content_type TO entity_type;
+                ALTER TABLE igny8_content RENAME COLUMN content_structure TO cluster_role;
+                ALTER TABLE igny8_content RENAME COLUMN content_html TO html_content;
+                DROP INDEX IF EXISTS igny8_content_content_type_idx;
+                DROP INDEX IF EXISTS igny8_content_content_structure_idx;
+                CREATE INDEX igny8_conte_entity__f559b3_idx ON igny8_content(entity_type);
+                CREATE INDEX igny8_conte_cluster_32e22a_idx ON igny8_content(cluster_role);
+            """
+        ),
+        
+        # Rename database columns for ContentTaxonomyMap
+        migrations.RunSQL(
+            sql="""
+                DO $$
+                BEGIN
+                    IF EXISTS (SELECT 1 FROM information_schema.columns 
+                              WHERE table_name = 'igny8_content_taxonomy_map' AND column_name = 'entity_type') THEN
+                        ALTER TABLE igny8_content_taxonomy_map RENAME COLUMN entity_type TO content_type;
+                    END IF;
+                END $$;
+            """,
+            reverse_sql="""
+                ALTER TABLE igny8_content_taxonomy_map RENAME COLUMN content_type TO entity_type;
+            """
+        ),
+        
+        # Rename database columns for TaxonomyTerms
+        migrations.RunSQL(
+            sql="""
+                DO $$
+                BEGIN
+                    IF EXISTS (SELECT 1 FROM information_schema.columns 
+                              WHERE table_name = 'igny8_taxonomy_terms' AND column_name = 'entity_type') THEN
+                        ALTER TABLE igny8_taxonomy_terms RENAME COLUMN entity_type TO content_type;
+                    END IF;
+                END $$;
+            """,
+            reverse_sql="""
+                ALTER TABLE igny8_taxonomy_terms RENAME COLUMN content_type TO entity_type;
+            """
+        ),
+    ]