Release 2025-05-19

web/prisma/triggers/03_service_user_rating.sql

@@ -1,57 +0,0 @@
--- This script defines a PostgreSQL function and trigger to automatically calculate 
--- and update the average user rating for services based on associated comments.
--- The average rating is recalculated whenever comments are added, updated, or deleted.
-
--- Drop existing triggers first
-DROP TRIGGER IF EXISTS comment_average_rating_trigger ON "Comment";
-
--- Drop existing functions
-DROP FUNCTION IF EXISTS calculate_average_rating();
-
--- Calculate average rating based on active comments with approved or verified status
-CREATE OR REPLACE FUNCTION calculate_average_rating() 
-RETURNS TRIGGER AS $$
-DECLARE
-    affected_service_id INT;
-    average_user_rating DECIMAL;
-BEGIN
-    -- Determine which service ID to use based on the trigger context
-    IF TG_OP = 'DELETE' THEN
-        affected_service_id := OLD."serviceId";
-    ELSE -- INSERT or UPDATE
-        affected_service_id := NEW."serviceId";
-    END IF;
-    
-    -- Calculate average rating from active comments with approved or verified status
-    -- Excluding suspicious comments and replies (comments with parentId not null)
-
-    SELECT AVG(rating) INTO average_user_rating
-    FROM "Comment"
-    WHERE "serviceId" = affected_service_id 
-    AND "parentId" IS NULL
-    AND rating IS NOT NULL
-    AND (status = 'APPROVED' OR status = 'VERIFIED')
-    AND "ratingActive" = true
-    AND suspicious = false;
-    
-    -- Update the service with the new average rating
-    UPDATE "Service"
-    SET "averageUserRating" = average_user_rating
-    WHERE "id" = affected_service_id;
-    
-    -- Return the appropriate record based on operation
-    IF TG_OP = 'DELETE' THEN
-        RETURN OLD;
-    ELSE
-        RETURN NEW;
-    END IF;
-END;
-$$ LANGUAGE plpgsql;
-
--- Create trigger to recalculate average rating when comments are created, updated, or deleted
-CREATE TRIGGER comment_average_rating_trigger
-    AFTER INSERT OR UPDATE OR DELETE
-    ON "Comment"
-    FOR EACH ROW
-    WHEN (pg_trigger_depth() < 2)  -- Prevent recursive triggering
-    EXECUTE FUNCTION calculate_average_rating();