Files
yourpart3/backend/models/trigger.js
2024-09-27 07:40:06 +02:00

68 lines
2.3 KiB
JavaScript

import { sequelize } from '../utils/sequelize.js';
export async function createTriggers() {
const createTriggerFunction = `
CREATE OR REPLACE FUNCTION create_user_param_visibility_trigger()
RETURNS TRIGGER AS $$
BEGIN
-- Check if UserParamVisibility already exists for this UserParam
IF NOT EXISTS (
SELECT 1 FROM community.user_param_visibility
WHERE param_id = NEW.id
) THEN
-- Insert the default visibility (Invisible)
INSERT INTO community.user_param_visibility (param_id, visibility)
VALUES (NEW.id, (
SELECT id FROM type.user_param_visibility WHERE description = 'Invisible'
));
END IF;
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
`;
const createInsertTrigger = `
CREATE OR REPLACE TRIGGER trigger_create_user_param_visibility
AFTER INSERT ON community.user_param
FOR EACH ROW
EXECUTE FUNCTION create_user_param_visibility_trigger();
`;
const createUpdateTrigger = `
CREATE OR REPLACE TRIGGER trigger_update_user_param_visibility
AFTER UPDATE ON community.user_param
FOR EACH ROW
EXECUTE FUNCTION create_user_param_visibility_trigger();
`;
const createDiaryHistoryTriggerFunction = `
CREATE OR REPLACE FUNCTION insert_diary_history()
RETURNS TRIGGER AS $$
BEGIN
INSERT INTO community.diary_history (diaryId, userId, oldText, oldCreatedAt, oldUpdatedAt)
VALUES (OLD.id, OLD.userId, OLD.text, OLD.createdAt, OLD.updatedAt);
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
`;
const createDiaryHistoryTrigger = `
CREATE OR REPLACE TRIGGER diary_update_trigger
BEFORE UPDATE ON community.diary
FOR EACH ROW
EXECUTE FUNCTION insert_diary_history();
`;
try {
await sequelize.query(createTriggerFunction);
await sequelize.query(createInsertTrigger);
await sequelize.query(createUpdateTrigger);
await sequelize.query(createDiaryHistoryTriggerFunction);
await sequelize.query(createDiaryHistoryTrigger);
console.log('Triggers created successfully');
} catch (error) {
console.error('Error creating triggers:', error);
}
}