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https://github.com/pacnpal/thrilltrack-explorer.git
synced 2025-12-20 06:51:12 -05:00
Add review system database restructure
This commit is contained in:
gpt-engineer-app[bot]
@@ -16,6 +16,7 @@ export type Database = {
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Tables: {
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companies: {
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Row: {
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average_rating: number | null
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company_type: string
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created_at: string
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description: string | null
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@@ -25,11 +26,13 @@ export type Database = {
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logo_url: string | null
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name: string
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person_type: string | null
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review_count: number | null
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slug: string
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updated_at: string
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website_url: string | null
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}
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Insert: {
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average_rating?: number | null
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company_type: string
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created_at?: string
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description?: string | null
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@@ -39,11 +42,13 @@ export type Database = {
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logo_url?: string | null
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name: string
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person_type?: string | null
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review_count?: number | null
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slug: string
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updated_at?: string
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website_url?: string | null
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}
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Update: {
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average_rating?: number | null
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company_type?: string
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created_at?: string
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description?: string | null
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@@ -53,6 +58,7 @@ export type Database = {
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logo_url?: string | null
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name?: string
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person_type?: string | null
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review_count?: number | null
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slug?: string
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updated_at?: string
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website_url?: string | null
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@@ -669,7 +675,18 @@ export type Database = {
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[_ in never]: never
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}
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Functions: {
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[_ in never]: never
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update_company_ratings: {
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Args: { target_company_id: string }
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Returns: undefined
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}
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update_park_ratings: {
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Args: { target_park_id: string }
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Returns: undefined
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}
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update_ride_ratings: {
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Args: { target_ride_id: string }
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Returns: undefined
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}
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}
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Enums: {
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[_ in never]: never
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@@ -0,0 +1,214 @@
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-- Reviews System Database Restructure Migration
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-- 1. Add rating fields to companies table (manufacturers, operators, owners)
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ALTER TABLE public.companies
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ADD COLUMN IF NOT EXISTS average_rating DECIMAL(3,2) DEFAULT 0.00,
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ADD COLUMN IF NOT EXISTS review_count INTEGER DEFAULT 0;
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-- 2. Add validation constraint to reviews table to ensure exactly one parent (ride OR park)
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ALTER TABLE public.reviews
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ADD CONSTRAINT reviews_single_parent_check
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CHECK (
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(park_id IS NOT NULL AND ride_id IS NULL) OR
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(park_id IS NULL AND ride_id IS NOT NULL)
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);
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-- 3. Create function to recalculate park ratings
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CREATE OR REPLACE FUNCTION public.update_park_ratings(target_park_id UUID)
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RETURNS void AS $$
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DECLARE
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avg_rating DECIMAL(3,2);
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review_cnt INTEGER;
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BEGIN
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SELECT
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COALESCE(AVG(rating), 0)::DECIMAL(3,2),
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COUNT(*)
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INTO avg_rating, review_cnt
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FROM public.reviews
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WHERE park_id = target_park_id AND moderation_status = 'approved';
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UPDATE public.parks
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SET
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average_rating = avg_rating,
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review_count = review_cnt,
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updated_at = now()
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WHERE id = target_park_id;
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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-- 4. Create function to recalculate ride ratings
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CREATE OR REPLACE FUNCTION public.update_ride_ratings(target_ride_id UUID)
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RETURNS void AS $$
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DECLARE
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avg_rating DECIMAL(3,2);
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review_cnt INTEGER;
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BEGIN
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SELECT
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COALESCE(AVG(rating), 0)::DECIMAL(3,2),
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COUNT(*)
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INTO avg_rating, review_cnt
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FROM public.reviews
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WHERE ride_id = target_ride_id AND moderation_status = 'approved';
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UPDATE public.rides
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SET
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average_rating = avg_rating,
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review_count = review_cnt,
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updated_at = now()
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WHERE id = target_ride_id;
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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-- 5. Create function to recalculate company ratings (manufacturers, operators)
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CREATE OR REPLACE FUNCTION public.update_company_ratings(target_company_id UUID)
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RETURNS void AS $$
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DECLARE
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avg_rating DECIMAL(3,2);
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review_cnt INTEGER;
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BEGIN
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-- Calculate ratings from parks operated by this company
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WITH park_reviews AS (
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SELECT r.rating
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FROM public.reviews r
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JOIN public.parks p ON r.park_id = p.id
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WHERE (p.operator_id = target_company_id OR p.property_owner_id = target_company_id)
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AND r.moderation_status = 'approved'
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),
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-- Calculate ratings from rides manufactured/designed by this company
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ride_reviews AS (
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SELECT r.rating
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FROM public.reviews r
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JOIN public.rides rd ON r.ride_id = rd.id
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WHERE (rd.manufacturer_id = target_company_id OR rd.designer_id = target_company_id)
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AND r.moderation_status = 'approved'
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),
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-- Combine all reviews
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all_reviews AS (
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SELECT rating FROM park_reviews
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UNION ALL
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SELECT rating FROM ride_reviews
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)
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SELECT
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COALESCE(AVG(rating), 0)::DECIMAL(3,2),
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COUNT(*)
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INTO avg_rating, review_cnt
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FROM all_reviews;
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UPDATE public.companies
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SET
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average_rating = avg_rating,
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review_count = review_cnt,
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updated_at = now()
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WHERE id = target_company_id;
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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-- 6. Create function to update all related ratings when a review changes
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CREATE OR REPLACE FUNCTION public.update_all_ratings_for_review()
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RETURNS trigger AS $$
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DECLARE
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company_ids UUID[];
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BEGIN
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-- Handle both INSERT/UPDATE and DELETE cases
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IF TG_OP = 'DELETE' THEN
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-- Update park rating if this was a park review
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IF OLD.park_id IS NOT NULL THEN
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PERFORM public.update_park_ratings(OLD.park_id);
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-- Update related company ratings
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SELECT ARRAY[p.operator_id, p.property_owner_id]
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INTO company_ids
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FROM public.parks p
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WHERE p.id = OLD.park_id;
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END IF;
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-- Update ride rating if this was a ride review
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IF OLD.ride_id IS NOT NULL THEN
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PERFORM public.update_ride_ratings(OLD.ride_id);
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-- Update related company ratings
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SELECT ARRAY[r.manufacturer_id, r.designer_id]
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INTO company_ids
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FROM public.rides r
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WHERE r.id = OLD.ride_id;
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END IF;
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RETURN OLD;
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ELSE
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-- Handle INSERT/UPDATE
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-- Update park rating if this is a park review
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IF NEW.park_id IS NOT NULL THEN
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PERFORM public.update_park_ratings(NEW.park_id);
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-- Update related company ratings
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SELECT ARRAY[p.operator_id, p.property_owner_id]
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INTO company_ids
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FROM public.parks p
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WHERE p.id = NEW.park_id;
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END IF;
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-- Update ride rating if this is a ride review
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IF NEW.ride_id IS NOT NULL THEN
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PERFORM public.update_ride_ratings(NEW.ride_id);
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-- Update related company ratings
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SELECT ARRAY[r.manufacturer_id, r.designer_id]
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INTO company_ids
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FROM public.rides r
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WHERE r.id = NEW.ride_id;
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END IF;
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RETURN NEW;
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END IF;
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-- Update company ratings for all related companies
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IF company_ids IS NOT NULL THEN
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FOR i IN 1..array_length(company_ids, 1) LOOP
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IF company_ids[i] IS NOT NULL THEN
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PERFORM public.update_company_ratings(company_ids[i]);
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END IF;
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END LOOP;
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END IF;
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IF TG_OP = 'DELETE' THEN
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RETURN OLD;
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ELSE
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RETURN NEW;
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END IF;
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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-- 7. Create triggers for automatic rating updates
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DROP TRIGGER IF EXISTS reviews_rating_update_trigger ON public.reviews;
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CREATE TRIGGER reviews_rating_update_trigger
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AFTER INSERT OR UPDATE OR DELETE ON public.reviews
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FOR EACH ROW
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EXECUTE FUNCTION public.update_all_ratings_for_review();
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-- 8. Add performance indexes
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CREATE INDEX IF NOT EXISTS idx_reviews_park_id_status ON public.reviews(park_id, moderation_status);
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CREATE INDEX IF NOT EXISTS idx_reviews_ride_id_status ON public.reviews(ride_id, moderation_status);
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CREATE INDEX IF NOT EXISTS idx_parks_operator_id ON public.parks(operator_id);
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CREATE INDEX IF NOT EXISTS idx_parks_property_owner_id ON public.parks(property_owner_id);
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CREATE INDEX IF NOT EXISTS idx_rides_manufacturer_id ON public.rides(manufacturer_id);
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CREATE INDEX IF NOT EXISTS idx_rides_designer_id ON public.rides(designer_id);
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-- 9. Initial calculation of all existing ratings
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-- Update all park ratings
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SELECT public.update_park_ratings(id) FROM public.parks;
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-- Update all ride ratings
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SELECT public.update_ride_ratings(id) FROM public.rides;
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-- Update all company ratings
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SELECT public.update_company_ratings(id) FROM public.companies;
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-- 10. Add helpful comments
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COMMENT ON COLUMN public.companies.average_rating IS 'Average rating calculated from all reviews of parks operated and rides manufactured by this company';
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COMMENT ON COLUMN public.companies.review_count IS 'Total number of reviews for parks and rides associated with this company';
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COMMENT ON CONSTRAINT reviews_single_parent_check ON public.reviews IS 'Ensures each review belongs to exactly one parent entity (park OR ride, not both)';
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-- 11. Grant necessary permissions
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GRANT EXECUTE ON FUNCTION public.update_park_ratings(UUID) TO authenticated;
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GRANT EXECUTE ON FUNCTION public.update_ride_ratings(UUID) TO authenticated;
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GRANT EXECUTE ON FUNCTION public.update_company_ratings(UUID) TO authenticated;
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