[WEB-4951] [WEB-4884] feat: work item filters revamp (#7810)

apps/api/plane/db/migrations/0107_migrate_filters_to_rich_filters.py

@@ -0,0 +1,74 @@
+from django.db import migrations
+
+from plane.utils.filters import LegacyToRichFiltersConverter
+from plane.utils.filters.filter_migrations import (
+    migrate_models_filters_to_rich_filters,
+    clear_models_rich_filters,
+)
+
+
+# Define all models that need migration in one place
+MODEL_NAMES = [
+    "IssueView",
+    "WorkspaceUserProperties",
+    "ModuleUserProperties", 
+    "IssueUserProperty",
+    "CycleUserProperties",
+]
+
+
+def migrate_filters_to_rich_filters(apps, schema_editor):
+    """
+    Migrate legacy filters to rich_filters format for all models that have both fields.
+    """
+    # Get the model classes from model names
+    models_to_migrate = {}
+    
+    for model_name in MODEL_NAMES:
+        try:
+            model_class = apps.get_model("db", model_name)
+            models_to_migrate[model_name] = model_class
+        except Exception as e:
+            # Log error but continue with other models
+            import logging
+            logger = logging.getLogger(__name__)
+            logger.error(f"Failed to get model {model_name}: {str(e)}")
+    
+    converter = LegacyToRichFiltersConverter()
+    # Migrate all models
+    migrate_models_filters_to_rich_filters(models_to_migrate, converter)
+
+
+def reverse_migrate_rich_filters_to_filters(apps, schema_editor):
+    """
+    Reverse migration to clear rich_filters field for all models.
+    """
+    # Get the model classes from model names
+    models_to_clear = {}
+    
+    for model_name in MODEL_NAMES:
+        try:
+            model_class = apps.get_model("db", model_name)
+            models_to_clear[model_name] = model_class
+        except Exception as e:
+            # Log error but continue with other models
+            import logging
+            logger = logging.getLogger(__name__)
+            logger.error(f"Failed to get model {model_name}: {str(e)}")
+    
+    # Clear rich_filters for all models
+    clear_models_rich_filters(models_to_clear)
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('db', '0106_auto_20250912_0845'),
+    ]
+
+    operations = [
+        migrations.RunPython(
+            migrate_filters_to_rich_filters,
+            reverse_code=reverse_migrate_rich_filters_to_filters,
+        ),
+    ]