Initial commit - TPU Survey System with Google Forms & Certificate Generator
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pongpon pitisuk
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-- ============================================================
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-- TPU Survey Database Schema
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-- ระบบประเมินความพึงพอใจ
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-- ============================================================
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CREATE DATABASE IF NOT EXISTS `tpu_survey_v2`
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DEFAULT CHARACTER SET utf8mb4
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COLLATE utf8mb4_unicode_ci;
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USE `tpu_survey_v2`;
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-- ============================================================
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-- Users Table (Admin & Teacher)
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-- ============================================================
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CREATE TABLE IF NOT EXISTS `users` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`username` VARCHAR(100) NOT NULL UNIQUE,
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`password_hash` VARCHAR(255) NOT NULL,
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`role` ENUM('admin', 'teacher') NOT NULL DEFAULT 'teacher',
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`full_name` VARCHAR(255) NOT NULL,
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`personnel_code` VARCHAR(50) DEFAULT NULL,
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`subject_area` VARCHAR(255) DEFAULT NULL,
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`branch_code` VARCHAR(50) DEFAULT NULL,
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`email` VARCHAR(255) DEFAULT NULL,
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`created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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`updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
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) ENGINE=InnoDB;
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-- Insert default admin (username=admin, password=admin)
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INSERT INTO `users` (`username`, `password_hash`, `role`, `full_name`) VALUES
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('admin', '$2y$10$ccniLtM2Y/Bx.xW/Q/msMuBYvtScKJcGdUder0nqSKT1WYx2iJHQ6', 'admin', 'ผู้ดูแลระบบ');
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-- ============================================================
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-- Projects Table
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-- ============================================================
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CREATE TABLE IF NOT EXISTS `projects` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`user_id` INT NOT NULL,
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`title` VARCHAR(500) NOT NULL,
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`code` VARCHAR(100) DEFAULT NULL,
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`description` TEXT DEFAULT NULL,
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`created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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`updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE
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) ENGINE=InnoDB;
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-- ============================================================
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-- Surveys Table
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-- ============================================================
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CREATE TABLE IF NOT EXISTS `surveys` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`project_id` INT DEFAULT NULL,
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`user_id` INT NOT NULL,
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`title` VARCHAR(500) NOT NULL,
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`description` TEXT DEFAULT NULL,
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`status` ENUM('draft', 'active', 'closed') NOT NULL DEFAULT 'draft',
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`has_certificate` TINYINT(1) DEFAULT 0,
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`certificate_template` VARCHAR(255) DEFAULT NULL,
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`cert_name_y` DOUBLE DEFAULT 82.5,
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`cert_code_y` DOUBLE DEFAULT 190.5,
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`unique_link` VARCHAR(64) NOT NULL UNIQUE,
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`created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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`updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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FOREIGN KEY (`project_id`) REFERENCES `projects`(`id`) ON DELETE SET NULL,
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FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE
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) ENGINE=InnoDB;
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-- ============================================================
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-- Survey Sections (Part 1, 2, 3)
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-- ============================================================
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CREATE TABLE IF NOT EXISTS `survey_sections` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`survey_id` INT NOT NULL,
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`section_number` INT NOT NULL,
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`title` VARCHAR(255) NOT NULL,
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`description` TEXT DEFAULT NULL,
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`category` VARCHAR(50) DEFAULT 'rating',
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FOREIGN KEY (`survey_id`) REFERENCES `surveys`(`id`) ON DELETE CASCADE
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) ENGINE=InnoDB;
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-- ============================================================
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-- Survey Headings (Sub-headings within sections)
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-- ============================================================
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CREATE TABLE IF NOT EXISTS `survey_headings` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`section_id` INT NOT NULL,
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`title` VARCHAR(255) NOT NULL,
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`description` TEXT DEFAULT NULL,
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`order_num` INT NOT NULL DEFAULT 0,
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FOREIGN KEY (`section_id`) REFERENCES `survey_sections`(`id`) ON DELETE CASCADE
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) ENGINE=InnoDB;
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-- ============================================================
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-- Survey Questions
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-- ============================================================
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CREATE TABLE IF NOT EXISTS `survey_questions` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`section_id` INT NOT NULL,
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`heading_id` INT DEFAULT NULL,
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`question_text` TEXT NOT NULL,
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`question_type` ENUM('radio', 'text', 'dropdown', 'checkbox') NOT NULL DEFAULT 'radio',
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`is_required` TINYINT(1) DEFAULT 1,
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`order_num` INT NOT NULL DEFAULT 0,
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`options` JSON DEFAULT NULL,
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`scale_min` INT DEFAULT 1,
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`scale_max` INT DEFAULT 5,
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`description` TEXT DEFAULT NULL,
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FOREIGN KEY (`section_id`) REFERENCES `survey_sections`(`id`) ON DELETE CASCADE,
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FOREIGN KEY (`heading_id`) REFERENCES `survey_headings`(`id`) ON DELETE SET NULL
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) ENGINE=InnoDB;
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-- ============================================================
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-- Survey Responses (one per respondent submission)
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-- ============================================================
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CREATE TABLE IF NOT EXISTS `survey_responses` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`survey_id` INT NOT NULL,
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`respondent_info` JSON DEFAULT NULL,
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`cert_code` VARCHAR(32) UNIQUE DEFAULT NULL,
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`ip_address` VARCHAR(45) DEFAULT NULL,
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`submitted_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (`survey_id`) REFERENCES `surveys`(`id`) ON DELETE CASCADE
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) ENGINE=InnoDB;
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-- ============================================================
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-- Response Answers (individual answers)
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-- ============================================================
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CREATE TABLE IF NOT EXISTS `response_answers` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`response_id` INT NOT NULL,
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`question_id` INT NOT NULL,
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`answer_value` TEXT DEFAULT NULL,
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FOREIGN KEY (`response_id`) REFERENCES `survey_responses`(`id`) ON DELETE CASCADE,
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FOREIGN KEY (`question_id`) REFERENCES `survey_questions`(`id`) ON DELETE CASCADE
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) ENGINE=InnoDB;
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-- ============================================================
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-- Indexes for performance
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-- ============================================================
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CREATE INDEX idx_surveys_link ON `surveys`(`unique_link`);
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CREATE INDEX idx_responses_survey ON `survey_responses`(`survey_id`);
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CREATE INDEX idx_answers_response ON `response_answers`(`response_id`);
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CREATE INDEX idx_answers_question ON `response_answers`(`question_id`);
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CREATE INDEX idx_headings_section ON `survey_headings`(`section_id`);
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CREATE INDEX idx_questions_heading ON `survey_questions`(`heading_id`);
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