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pluja
2025-05-19 10:19:49 +00:00
parent 046c4559e5
commit 2657f936bc
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399
web/prisma/triggers/05_service_events.sql
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-- Service Events Trigger
-- This trigger automatically creates events when services are updated
-- to track important changes over time
CREATE OR REPLACE FUNCTION trigger_service_events()
RETURNS TRIGGER AS $$
DECLARE
change_descriptions TEXT[] := '{}';
event_title TEXT;
event_content TEXT;
change_type TEXT := NULL;
event_time TIMESTAMP WITH TIME ZONE := transaction_timestamp();
currency_desc TEXT;
BEGIN
-- Only proceed if this is an UPDATE operation
IF TG_OP <> 'UPDATE' THEN
RETURN NEW;
END IF;
-- Check for domain/URL changes
IF OLD."serviceUrls" IS DISTINCT FROM NEW."serviceUrls" THEN
change_descriptions := array_append(change_descriptions,
'Service URLs updated from ' || array_to_string(OLD."serviceUrls", ', ') ||
' to ' || array_to_string(NEW."serviceUrls", ', ')
);
change_type := COALESCE(change_type, 'Domain change');
END IF;
-- Check for KYC level changes
IF OLD."kycLevel" IS DISTINCT FROM NEW."kycLevel" THEN
change_descriptions := array_append(change_descriptions,
'KYC level changed from ' || OLD."kycLevel"::TEXT || ' to ' || NEW."kycLevel"::TEXT
);
change_type := COALESCE(change_type, 'KYC update');
END IF;
-- Check for verification status changes
IF OLD."verificationStatus" IS DISTINCT FROM NEW."verificationStatus" THEN
change_descriptions := array_append(change_descriptions,
'Verification status changed from ' || OLD."verificationStatus"::TEXT || ' to ' || NEW."verificationStatus"::TEXT
);
change_type := COALESCE(change_type, 'Verification update');
END IF;
-- Check for description changes
IF OLD.description IS DISTINCT FROM NEW.description THEN
change_descriptions := array_append(change_descriptions, 'Description was updated');
change_type := COALESCE(change_type, 'Description update');
END IF;
-- Check for currency changes
IF OLD."acceptedCurrencies" IS DISTINCT FROM NEW."acceptedCurrencies" THEN
-- Find currencies added
WITH
old_currencies AS (SELECT unnest(OLD."acceptedCurrencies") AS currency),
new_currencies AS (SELECT unnest(NEW."acceptedCurrencies") AS currency),
added_currencies AS (
SELECT currency FROM new_currencies
EXCEPT
SELECT currency FROM old_currencies
),
removed_currencies AS (
SELECT currency FROM old_currencies
EXCEPT
SELECT currency FROM new_currencies
)
-- Temp variable for currency description
SELECT
CASE
WHEN (SELECT COUNT(*) FROM added_currencies) > 0 AND (SELECT COUNT(*) FROM removed_currencies) > 0 THEN
'Currencies updated: added ' || array_to_string(ARRAY(SELECT currency FROM added_currencies), ', ') ||
', removed ' || array_to_string(ARRAY(SELECT currency FROM removed_currencies), ', ')
WHEN (SELECT COUNT(*) FROM added_currencies) > 0 THEN
'Added currencies: ' || array_to_string(ARRAY(SELECT currency FROM added_currencies), ', ')
WHEN (SELECT COUNT(*) FROM removed_currencies) > 0 THEN
'Removed currencies: ' || array_to_string(ARRAY(SELECT currency FROM removed_currencies), ', ')
ELSE
'Currencies changed'
END
INTO currency_desc;
IF currency_desc IS NOT NULL AND currency_desc <> '' THEN
change_descriptions := array_append(change_descriptions, currency_desc);
change_type := COALESCE(change_type, 'Currency update');
END IF;
END IF;
-- If there are changes, create an event
IF array_length(change_descriptions, 1) > 0 THEN
-- Create a title based on number of changes
IF array_length(change_descriptions, 1) = 1 THEN
event_title := COALESCE(change_type, 'Service updated'); -- Ensure title is not null
ELSE
event_title := 'Service updated';
END IF;
-- Create content with all changes
event_content := array_to_string(change_descriptions, '. ');
-- Ensure content is not null or empty
IF event_content IS NULL OR event_content = '' THEN
event_content := 'Service details changed (content unavailable)';
END IF;
-- Insert the event
INSERT INTO "Event" (
"title",
"content",
"type",
"visible",
"startedAt",
"endedAt",
"serviceId"
) VALUES (
event_title,
event_content,
'UPDATE',
TRUE,
event_time,
event_time,
NEW.id
);
END IF;
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
-- Create a trigger for service updates
DROP TRIGGER IF EXISTS service_events_trigger ON "Service";
CREATE TRIGGER service_events_trigger
AFTER UPDATE OF "serviceUrls", "kycLevel", "verificationStatus", "description", "acceptedCurrencies" ON "Service"
FOR EACH ROW
EXECUTE FUNCTION trigger_service_events();
-- Additional trigger to monitor changes to ServiceAttribute
CREATE OR REPLACE FUNCTION trigger_service_attribute_events()
RETURNS TRIGGER AS $$
DECLARE
attribute_name TEXT;
service_name TEXT;
event_title TEXT := 'Attribute change'; -- Default title
event_content TEXT;
event_time TIMESTAMP WITH TIME ZONE := transaction_timestamp();
target_service_id INT;
service_exists BOOLEAN;
service_created_at TIMESTAMP WITH TIME ZONE;
is_new_service BOOLEAN := FALSE;
BEGIN
-- Determine target service ID and operation type
IF TG_OP = 'INSERT' THEN
target_service_id := NEW."serviceId";
-- Check if this is a new service (created within the last minute)
-- This helps prevent events when attributes are initially added to a new service
SELECT "createdAt" INTO service_created_at FROM "Service" WHERE id = target_service_id;
IF service_created_at IS NOT NULL AND (event_time - service_created_at) < INTERVAL '1 minute' THEN
is_new_service := TRUE;
RETURN NEW; -- Skip event creation for new services
END IF;
SELECT title INTO attribute_name FROM "Attribute" WHERE id = NEW."attributeId";
SELECT name INTO service_name FROM "Service" WHERE id = target_service_id;
IF attribute_name IS NOT NULL AND service_name IS NOT NULL THEN
event_title := 'Attribute added';
event_content := 'Attribute "' || attribute_name || '" was added to ' || service_name;
ELSE
event_content := 'An attribute was added (details unavailable)';
END IF;
ELSIF TG_OP = 'DELETE' THEN
target_service_id := OLD."serviceId";
-- Check if the service still exists before trying to fetch its name or create an event
SELECT EXISTS (SELECT 1 FROM "Service" WHERE id = target_service_id) INTO service_exists;
IF service_exists THEN
SELECT title INTO attribute_name FROM "Attribute" WHERE id = OLD."attributeId";
SELECT name INTO service_name FROM "Service" WHERE id = target_service_id;
IF attribute_name IS NOT NULL AND service_name IS NOT NULL THEN
event_title := 'Attribute removed';
event_content := 'Attribute "' || attribute_name || '" was removed from ' || service_name;
ELSE
-- This case might happen if attribute was deleted concurrently
event_content := 'An attribute was removed (details unavailable)';
END IF;
ELSE
-- Service was deleted, don't create an event
RETURN OLD;
END IF;
END IF;
-- Ensure content is not null/empty and insert
IF event_content IS NOT NULL AND event_content <> '' AND target_service_id IS NOT NULL AND NOT is_new_service THEN
-- Re-check service existence right before insert just in case of concurrency on INSERT
IF TG_OP = 'INSERT' THEN
SELECT EXISTS (SELECT 1 FROM "Service" WHERE id = target_service_id) INTO service_exists;
END IF;
IF service_exists THEN
INSERT INTO "Event" (
"title",
"content",
"type",
"visible",
"startedAt",
"endedAt",
"serviceId"
) VALUES (
event_title,
event_content,
'UPDATE',
TRUE,
event_time,
event_time,
target_service_id
);
END IF;
END IF;
-- Return appropriate record
IF TG_OP = 'INSERT' THEN
RETURN NEW;
ELSE
RETURN OLD;
END IF;
END;
$$ LANGUAGE plpgsql;
-- Create a trigger for service attribute changes
DROP TRIGGER IF EXISTS service_attribute_events_trigger ON "ServiceAttribute";
CREATE TRIGGER service_attribute_events_trigger
AFTER INSERT OR DELETE ON "ServiceAttribute"
FOR EACH ROW
EXECUTE FUNCTION trigger_service_attribute_events();
-- Additional trigger to monitor changes to service categories
CREATE OR REPLACE FUNCTION trigger_service_category_events()
RETURNS TRIGGER AS $$
DECLARE
category_name TEXT;
service_name TEXT;
event_title TEXT := 'Category change'; -- Default title
event_content TEXT;
event_time TIMESTAMP WITH TIME ZONE := transaction_timestamp();
target_service_id INT;
service_exists BOOLEAN;
service_created_at TIMESTAMP WITH TIME ZONE;
is_new_service BOOLEAN := FALSE;
BEGIN
-- Determine target service ID and operation type
IF TG_OP = 'INSERT' THEN
target_service_id := NEW."A";
-- Check if this is a new service (created within the last minute)
-- This helps prevent events when categories are initially added to a new service
SELECT "createdAt" INTO service_created_at FROM "Service" WHERE id = target_service_id;
IF service_created_at IS NOT NULL AND (event_time - service_created_at) < INTERVAL '1 minute' THEN
is_new_service := TRUE;
RETURN NEW; -- Skip event creation for new services
END IF;
SELECT name INTO category_name FROM "Category" WHERE id = NEW."B";
SELECT name INTO service_name FROM "Service" WHERE id = target_service_id;
IF category_name IS NOT NULL AND service_name IS NOT NULL THEN
event_title := 'Category added';
event_content := 'Category "' || category_name || '" was added to ' || service_name;
ELSE
event_content := 'A category was added (details unavailable)';
END IF;
ELSIF TG_OP = 'DELETE' THEN
target_service_id := OLD."A";
-- Check if the service still exists before trying to fetch its name or create an event
SELECT EXISTS (SELECT 1 FROM "Service" WHERE id = target_service_id) INTO service_exists;
IF service_exists THEN
SELECT name INTO category_name FROM "Category" WHERE id = OLD."B";
SELECT name INTO service_name FROM "Service" WHERE id = target_service_id;
IF category_name IS NOT NULL AND service_name IS NOT NULL THEN
event_title := 'Category removed';
event_content := 'Category "' || category_name || '" was removed from ' || service_name;
ELSE
-- This case might happen if category was deleted concurrently
event_content := 'A category was removed (details unavailable)';
END IF;
ELSE
-- Service was deleted, don't create an event
RETURN OLD;
END IF;
END IF;
-- Ensure content is not null/empty and insert
IF event_content IS NOT NULL AND event_content <> '' AND target_service_id IS NOT NULL AND NOT is_new_service THEN
-- Re-check service existence right before insert just in case of concurrency on INSERT
IF TG_OP = 'INSERT' THEN
SELECT EXISTS (SELECT 1 FROM "Service" WHERE id = target_service_id) INTO service_exists;
END IF;
IF service_exists THEN
INSERT INTO "Event" (
"title",
"content",
"type",
"visible",
"startedAt",
"endedAt",
"serviceId"
) VALUES (
event_title,
event_content,
'UPDATE',
TRUE,
event_time,
event_time,
target_service_id
);
END IF;
END IF;
-- Return appropriate record
IF TG_OP = 'INSERT' THEN
RETURN NEW;
ELSE
RETURN OLD;
END IF;
END;
$$ LANGUAGE plpgsql;
-- Create a trigger for service category changes (on the junction table)
DROP TRIGGER IF EXISTS service_category_events_trigger ON "_ServiceToCategory";
CREATE TRIGGER service_category_events_trigger
AFTER INSERT OR DELETE ON "_ServiceToCategory"
FOR EACH ROW
EXECUTE FUNCTION trigger_service_category_events();
-- Verification Steps Trigger
-- This trigger creates events when verification steps are added or status changes
CREATE OR REPLACE FUNCTION trigger_verification_step_events()
RETURNS TRIGGER AS $$
DECLARE
service_name TEXT;
event_title TEXT;
event_content TEXT;
event_time TIMESTAMP WITH TIME ZONE := transaction_timestamp();
service_exists BOOLEAN;
BEGIN
-- Check if the service exists
SELECT EXISTS (SELECT 1 FROM "Service" WHERE id = NEW."serviceId") INTO service_exists;
IF NOT service_exists THEN
-- Service was deleted or doesn't exist, don't create an event
RETURN NEW;
END IF;
-- Get service name
SELECT name INTO service_name FROM "Service" WHERE id = NEW."serviceId";
-- Handle different operations
IF TG_OP = 'INSERT' THEN
event_title := 'Verification step added';
event_content := '"' || NEW.title || '" was added';
ELSIF TG_OP = 'UPDATE' AND OLD.status IS DISTINCT FROM NEW.status THEN
event_title := 'Verification step ' || replace(lower(NEW.status::TEXT), '_', ' ');
event_content := '"' || NEW.title || '" status changed from ' ||
replace(lower(OLD.status::TEXT), '_', ' ') || ' to ' || replace(lower(NEW.status::TEXT), '_', ' ');
ELSE
-- No relevant changes, exit
RETURN NEW;
END IF;
-- Insert the event
INSERT INTO "Event" (
"title",
"content",
"type",
"visible",
"startedAt",
"endedAt",
"serviceId"
) VALUES (
event_title,
event_content,
'UPDATE',
TRUE,
event_time,
event_time,
NEW."serviceId"
);
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
-- Create trigger for verification step changes
DROP TRIGGER IF EXISTS verification_step_events_trigger ON "VerificationStep";
CREATE TRIGGER verification_step_events_trigger
AFTER INSERT OR UPDATE OF status ON "VerificationStep"
FOR EACH ROW
EXECUTE FUNCTION trigger_verification_step_events();