fixed all phase 0 issues Enhance error handling for ModuleEnableSettings retrieval

- Added a check for the existence of the ModuleEnableSettings table before attempting to retrieve or fixed all phase 0 create settings for an account.
- Implemented logging and a user-friendly error response if the table does not exist, prompting the user to run the necessary migration.
- Updated migration to create the ModuleEnableSettings table using raw SQL to avoid model resolution issues.

backend/igny8_core/modules/system/migrations/0007_add_module_enable_settings.py

@@ -1,37 +1,39 @@
 # Generated manually for Phase 0: Module Enable Settings
+# Using RunSQL to create table directly to avoid model resolution issues with new unified API model
 
-from django.db import migrations, models
+from django.db import migrations
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('igny8_core_modules_system', '0006_alter_systemstatus_unique_together_and_more'),
+        ('system', '0006_alter_systemstatus_unique_together_and_more'),
         ('igny8_core_auth', '0008_passwordresettoken_alter_industry_options_and_more'),
     ]
 
     operations = [
-        migrations.CreateModel(
+        # Create table using raw SQL to avoid model resolution issues
-            name='ModuleEnableSettings',
+        # The model state is automatically discovered from models.py
-            fields=[
+        migrations.RunSQL(
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+            sql="""
-                ('planner_enabled', models.BooleanField(default=True, help_text='Enable Planner module')),
+            CREATE TABLE IF NOT EXISTS igny8_module_enable_settings (
-                ('writer_enabled', models.BooleanField(default=True, help_text='Enable Writer module')),
+                id BIGSERIAL PRIMARY KEY,
-                ('thinker_enabled', models.BooleanField(default=True, help_text='Enable Thinker module')),
+                planner_enabled BOOLEAN NOT NULL DEFAULT TRUE,
-                ('automation_enabled', models.BooleanField(default=True, help_text='Enable Automation module')),
+                writer_enabled BOOLEAN NOT NULL DEFAULT TRUE,
-                ('site_builder_enabled', models.BooleanField(default=True, help_text='Enable Site Builder module')),
+                thinker_enabled BOOLEAN NOT NULL DEFAULT TRUE,
-                ('linker_enabled', models.BooleanField(default=True, help_text='Enable Linker module')),
+                automation_enabled BOOLEAN NOT NULL DEFAULT TRUE,
-                ('optimizer_enabled', models.BooleanField(default=True, help_text='Enable Optimizer module')),
+                site_builder_enabled BOOLEAN NOT NULL DEFAULT TRUE,
-                ('publisher_enabled', models.BooleanField(default=True, help_text='Enable Publisher module')),
+                linker_enabled BOOLEAN NOT NULL DEFAULT TRUE,
-                ('account', models.ForeignKey(on_delete=models.CASCADE, to='igny8_core_auth.account', db_column='tenant_id')),
+                optimizer_enabled BOOLEAN NOT NULL DEFAULT TRUE,
-            ],
+                publisher_enabled BOOLEAN NOT NULL DEFAULT TRUE,
-            options={
+                tenant_id BIGINT NOT NULL REFERENCES igny8_tenants(id) ON DELETE CASCADE,
-                'db_table': 'igny8_module_enable_settings',
+                created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
-            },
+                updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
-        ),
+            );
-        migrations.AddConstraint(
+            CREATE INDEX IF NOT EXISTS igny8_module_enable_settings_tenant_id_idx ON igny8_module_enable_settings(tenant_id);
-            model_name='moduleenablesettings',
+            CREATE INDEX IF NOT EXISTS igny8_module_enable_settings_account_created_idx ON igny8_module_enable_settings(tenant_id, created_at);
-            constraint=models.UniqueConstraint(fields=('account',), name='unique_account_module_enable_settings'),
+            CREATE UNIQUE INDEX IF NOT EXISTS unique_account_module_enable_settings ON igny8_module_enable_settings(tenant_id);
+            """,
+            reverse_sql="DROP TABLE IF EXISTS igny8_module_enable_settings CASCADE;",
         ),
     ]
-

backend/igny8_core/modules/system/settings_views.py

@@ -354,6 +354,8 @@ class ModuleEnableSettingsViewSet(AccountModelViewSet):
                     request=request
                 )
             
+            # Check if table exists (migration might not have been run)
+            try:
                 # Get or create settings for account (one per account)
                 try:
                     settings = ModuleEnableSettings.objects.get(account=account)
@@ -363,6 +365,20 @@ class ModuleEnableSettingsViewSet(AccountModelViewSet):
                 
                 serializer = self.get_serializer(settings)
                 return success_response(data=serializer.data, request=request)
+            except Exception as db_error:
+                # Check if it's a "table does not exist" error
+                error_str = str(db_error)
+                if 'does not exist' in error_str.lower() or 'relation' in error_str.lower():
+                    import logging
+                    logger = logging.getLogger(__name__)
+                    logger.error(f"ModuleEnableSettings table does not exist. Migration 0007_add_module_enable_settings needs to be run: {error_str}")
+                    return error_response(
+                        error='Module enable settings table not found. Please run migration: python manage.py migrate igny8_core_modules_system 0007',
+                        status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
+                        request=request
+                    )
+                # Re-raise other database errors
+                raise
         except Exception as e:
             import traceback
             error_trace = traceback.format_exc()