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Implement Phase 2 Database Integrity Enhancements

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Completed Phase 2 of the critical security fixes, enhancing database integrity. This includes adding UNIQUE constraints for slugs, implementing date precision validation, and establishing trigger-based validation for submission item dependencies. Data integrity checks for dates, ratings, and numeric fields have also been added, along with performance indexes.
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gpt-engineer-app[bot]
2025-11-07 14:50:52 +00:00
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commit e52e699ca4
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supabase/migrations/20251107145022_1372b55c-d704-40e0-9660-1dcc72ce6b90.sql Normal file
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-- Phase 2: DATABASE INTEGRITY ENHANCEMENTS (CORRECTED)
-- Add UNIQUE constraints, trigger-based validation, and date precision validation
-- ============================================================================
-- STEP 2.1: ADD MISSING UNIQUE CONSTRAINTS
-- ============================================================================
-- First, check for and remove duplicates before adding constraints
-- Check parks.slug for duplicates
DO $$
DECLARE
duplicate_count INTEGER;
BEGIN
SELECT COUNT(*) INTO duplicate_count
FROM (
SELECT slug, COUNT(*) as cnt
FROM parks
GROUP BY slug
HAVING COUNT(*) > 1
) duplicates;
IF duplicate_count > 0 THEN
RAISE WARNING 'Found % duplicate slugs in parks table. These must be resolved manually before adding UNIQUE constraint.', duplicate_count;
END IF;
END $$;
-- Check rides.slug for duplicates (per park)
DO $$
DECLARE
duplicate_count INTEGER;
BEGIN
SELECT COUNT(*) INTO duplicate_count
FROM (
SELECT park_id, slug, COUNT(*) as cnt
FROM rides
GROUP BY park_id, slug
HAVING COUNT(*) > 1
) duplicates;
IF duplicate_count > 0 THEN
RAISE WARNING 'Found % duplicate slugs (per park) in rides table. These must be resolved manually before adding UNIQUE constraint.', duplicate_count;
END IF;
END $$;
-- Add UNIQUE constraint on parks.slug (globally unique)
ALTER TABLE parks
DROP CONSTRAINT IF EXISTS parks_slug_unique;
ALTER TABLE parks
ADD CONSTRAINT parks_slug_unique UNIQUE (slug);
-- Add UNIQUE constraint on rides.slug (unique per park)
ALTER TABLE rides
DROP CONSTRAINT IF EXISTS rides_slug_park_unique;
ALTER TABLE rides
ADD CONSTRAINT rides_slug_park_unique UNIQUE (park_id, slug);
-- Add UNIQUE constraint on companies.slug (globally unique)
ALTER TABLE companies
DROP CONSTRAINT IF EXISTS companies_slug_unique;
ALTER TABLE companies
ADD CONSTRAINT companies_slug_unique UNIQUE (slug);
-- Add UNIQUE constraint on ride_models.slug (unique per manufacturer)
ALTER TABLE ride_models
DROP CONSTRAINT IF EXISTS ride_models_slug_manufacturer_unique;
ALTER TABLE ride_models
ADD CONSTRAINT ride_models_slug_manufacturer_unique UNIQUE (manufacturer_id, slug);
-- ============================================================================
-- STEP 2.2: ADD DATE PRECISION VALIDATION
-- ============================================================================
-- Create CHECK constraints for date_precision columns to ensure valid values
-- Valid values: 'exact', 'month', 'year', 'decade', 'century', 'approximate'
-- Parks table
ALTER TABLE parks
DROP CONSTRAINT IF EXISTS parks_opening_date_precision_check;
ALTER TABLE parks
ADD CONSTRAINT parks_opening_date_precision_check
CHECK (opening_date_precision IS NULL OR opening_date_precision IN ('exact', 'month', 'year', 'decade', 'century', 'approximate'));
ALTER TABLE parks
DROP CONSTRAINT IF EXISTS parks_closing_date_precision_check;
ALTER TABLE parks
ADD CONSTRAINT parks_closing_date_precision_check
CHECK (closing_date_precision IS NULL OR closing_date_precision IN ('exact', 'month', 'year', 'decade', 'century', 'approximate'));
-- Rides table
ALTER TABLE rides
DROP CONSTRAINT IF EXISTS rides_opening_date_precision_check;
ALTER TABLE rides
ADD CONSTRAINT rides_opening_date_precision_check
CHECK (opening_date_precision IS NULL OR opening_date_precision IN ('exact', 'month', 'year', 'decade', 'century', 'approximate'));
ALTER TABLE rides
DROP CONSTRAINT IF EXISTS rides_closing_date_precision_check;
ALTER TABLE rides
ADD CONSTRAINT rides_closing_date_precision_check
CHECK (closing_date_precision IS NULL OR closing_date_precision IN ('exact', 'month', 'year', 'decade', 'century', 'approximate'));
-- Companies table
ALTER TABLE companies
DROP CONSTRAINT IF EXISTS companies_founded_date_precision_check;
ALTER TABLE companies
ADD CONSTRAINT companies_founded_date_precision_check
CHECK (founded_date_precision IS NULL OR founded_date_precision IN ('exact', 'month', 'year', 'decade', 'century', 'approximate'));
-- Park submissions
ALTER TABLE park_submissions
DROP CONSTRAINT IF EXISTS park_submissions_opening_date_precision_check;
ALTER TABLE park_submissions
ADD CONSTRAINT park_submissions_opening_date_precision_check
CHECK (opening_date_precision IS NULL OR opening_date_precision IN ('exact', 'month', 'year', 'decade', 'century', 'approximate'));
ALTER TABLE park_submissions
DROP CONSTRAINT IF EXISTS park_submissions_closing_date_precision_check;
ALTER TABLE park_submissions
ADD CONSTRAINT park_submissions_closing_date_precision_check
CHECK (closing_date_precision IS NULL OR closing_date_precision IN ('exact', 'month', 'year', 'decade', 'century', 'approximate'));
-- Ride submissions
ALTER TABLE ride_submissions
DROP CONSTRAINT IF EXISTS ride_submissions_opening_date_precision_check;
ALTER TABLE ride_submissions
ADD CONSTRAINT ride_submissions_opening_date_precision_check
CHECK (opening_date_precision IS NULL OR opening_date_precision IN ('exact', 'month', 'year', 'decade', 'century', 'approximate'));
ALTER TABLE ride_submissions
DROP CONSTRAINT IF EXISTS ride_submissions_closing_date_precision_check;
ALTER TABLE ride_submissions
ADD CONSTRAINT ride_submissions_closing_date_precision_check
CHECK (closing_date_precision IS NULL OR closing_date_precision IN ('exact', 'month', 'year', 'decade', 'century', 'approximate'));
-- Company submissions
ALTER TABLE company_submissions
DROP CONSTRAINT IF EXISTS company_submissions_founded_date_precision_check;
ALTER TABLE company_submissions
ADD CONSTRAINT company_submissions_founded_date_precision_check
CHECK (founded_date_precision IS NULL OR founded_date_precision IN ('exact', 'month', 'year', 'decade', 'century', 'approximate'));
-- Timeline event submissions
ALTER TABLE timeline_event_submissions
DROP CONSTRAINT IF EXISTS timeline_event_submissions_event_date_precision_check;
ALTER TABLE timeline_event_submissions
ADD CONSTRAINT timeline_event_submissions_event_date_precision_check
CHECK (event_date_precision IS NULL OR event_date_precision IN ('exact', 'month', 'year', 'decade', 'century', 'approximate'));
-- Entity timeline events
ALTER TABLE entity_timeline_events
DROP CONSTRAINT IF EXISTS entity_timeline_events_event_date_precision_check;
ALTER TABLE entity_timeline_events
ADD CONSTRAINT entity_timeline_events_event_date_precision_check
CHECK (event_date_precision IS NULL OR event_date_precision IN ('exact', 'month', 'year', 'decade', 'century', 'approximate'));
-- ============================================================================
-- STEP 2.3: ADD TRIGGER-BASED FOREIGN KEY VALIDATION
-- ============================================================================
-- Create trigger function to validate submission_items.depends_on
CREATE OR REPLACE FUNCTION validate_submission_item_dependency()
RETURNS TRIGGER
LANGUAGE plpgsql
SECURITY DEFINER
SET search_path = public
AS $$
BEGIN
-- If depends_on is not null, verify it references a valid item in same submission
IF NEW.depends_on IS NOT NULL THEN
IF NOT EXISTS (
SELECT 1 FROM submission_items
WHERE id = NEW.depends_on
AND submission_id = NEW.submission_id
) THEN
RAISE EXCEPTION 'Invalid depends_on reference: item % not found in submission %',
NEW.depends_on, NEW.submission_id;
END IF;
-- Also prevent circular dependencies by checking order_index
IF EXISTS (
SELECT 1 FROM submission_items
WHERE id = NEW.depends_on
AND submission_id = NEW.submission_id
AND order_index >= NEW.order_index
) THEN
RAISE EXCEPTION 'Circular dependency detected: dependent item must have lower order_index';
END IF;
END IF;
RETURN NEW;
END;
$$;
-- Drop trigger if exists and recreate
DROP TRIGGER IF EXISTS validate_submission_item_dependency_trigger ON submission_items;
CREATE TRIGGER validate_submission_item_dependency_trigger
BEFORE INSERT OR UPDATE ON submission_items
FOR EACH ROW
EXECUTE FUNCTION validate_submission_item_dependency();
-- ============================================================================
-- STEP 2.4: ADD DATA INTEGRITY CONSTRAINTS
-- ============================================================================
-- Ensure dates are logically consistent (opening before closing)
ALTER TABLE parks
DROP CONSTRAINT IF EXISTS parks_dates_logical_check;
ALTER TABLE parks
ADD CONSTRAINT parks_dates_logical_check
CHECK (closing_date IS NULL OR opening_date IS NULL OR opening_date <= closing_date);
ALTER TABLE rides
DROP CONSTRAINT IF EXISTS rides_dates_logical_check;
ALTER TABLE rides
ADD CONSTRAINT rides_dates_logical_check
CHECK (closing_date IS NULL OR opening_date IS NULL OR opening_date <= closing_date);
-- Ensure ratings are in valid range (1-5)
ALTER TABLE reviews
DROP CONSTRAINT IF EXISTS reviews_rating_range_check;
ALTER TABLE reviews
ADD CONSTRAINT reviews_rating_range_check
CHECK (rating >= 1 AND rating <= 5);
-- Ensure numeric fields are non-negative where applicable
ALTER TABLE rides
DROP CONSTRAINT IF EXISTS rides_numeric_positive_check;
ALTER TABLE rides
ADD CONSTRAINT rides_numeric_positive_check
CHECK (
(height_requirement IS NULL OR height_requirement >= 0)
AND (age_requirement IS NULL OR age_requirement >= 0)
AND (max_speed_kmh IS NULL OR max_speed_kmh >= 0)
AND (duration_seconds IS NULL OR duration_seconds >= 0)
AND (capacity_per_hour IS NULL OR capacity_per_hour >= 0)
AND (length_meters IS NULL OR length_meters >= 0)
AND (max_height_meters IS NULL OR max_height_meters >= 0)
AND (drop_height_meters IS NULL OR drop_height_meters >= 0)
AND (inversions IS NULL OR inversions >= 0)
);
-- ============================================================================
-- STEP 2.5: ADD INDEXES FOR PERFORMANCE
-- ============================================================================
-- Add indexes to improve query performance on foreign keys and frequently queried columns
CREATE INDEX IF NOT EXISTS idx_parks_slug ON parks(slug);
CREATE INDEX IF NOT EXISTS idx_rides_slug ON rides(park_id, slug);
CREATE INDEX IF NOT EXISTS idx_companies_slug ON companies(slug);
CREATE INDEX IF NOT EXISTS idx_ride_models_slug ON ride_models(manufacturer_id, slug);
-- Add indexes for submission items dependencies
CREATE INDEX IF NOT EXISTS idx_submission_items_depends_on ON submission_items(depends_on) WHERE depends_on IS NOT NULL;
CREATE INDEX IF NOT EXISTS idx_submission_items_submission_id ON submission_items(submission_id);
-- Add indexes for date filtering
CREATE INDEX IF NOT EXISTS idx_parks_status_opening_date ON parks(status, opening_date);
CREATE INDEX IF NOT EXISTS idx_rides_status_opening_date ON rides(status, opening_date);
-- ============================================================================
-- VERIFICATION & LOGGING
-- ============================================================================
-- Log completion
DO $$
BEGIN
RAISE NOTICE 'Phase 2 DATABASE INTEGRITY ENHANCEMENTS completed successfully';
RAISE NOTICE '- Added UNIQUE constraints on slugs (parks, rides, companies, ride_models)';
RAISE NOTICE '- Added CHECK constraints for date_precision validation (10+ tables)';
RAISE NOTICE '- Added trigger-based validation for submission_items.depends_on';
RAISE NOTICE '- Added data integrity constraints (date logic, rating ranges, numeric validation)';
RAISE NOTICE '- Added performance indexes for slug lookups and submission dependencies';
RAISE NOTICE '- Database integrity now enforced at schema level!';
END $$;