Initial import

sql/migration_google_oauth.sql

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+-- Add google_id column to users table
+ALTER TABLE users ADD COLUMN IF NOT EXISTS google_id VARCHAR(255) DEFAULT NULL AFTER email;
+
+-- Add columns to students table (if not already exist)
+ALTER TABLE students ADD COLUMN IF NOT EXISTS email VARCHAR(255) DEFAULT NULL AFTER name_en;
+ALTER TABLE students ADD COLUMN IF NOT EXISTS password VARCHAR(255) DEFAULT NULL AFTER email;
+ALTER TABLE students ADD COLUMN IF NOT EXISTS google_id VARCHAR(255) DEFAULT NULL AFTER password;
+ALTER TABLE students ADD COLUMN IF NOT EXISTS advisor_id INT DEFAULT NULL AFTER curriculum_id;
+ALTER TABLE students ADD COLUMN IF NOT EXISTS previous_qualification VARCHAR(255) DEFAULT NULL AFTER graduated_institution;

sql/schema.sql

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+CREATE DATABASE IF NOT EXISTS transfer_db DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+USE transfer_db;
+
+-- หลักสูตร
+CREATE TABLE curricula (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    code VARCHAR(10) NOT NULL UNIQUE,
+    name_th VARCHAR(255) NOT NULL,
+    name_en VARCHAR(255) NOT NULL,
+    total_credits INT NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- กลุ่มวิชาในหลักสูตร (โครงสร้าง)
+CREATE TABLE course_groups (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    curriculum_id INT NOT NULL,
+    parent_id INT DEFAULT NULL,
+    code VARCHAR(50) NOT NULL,
+    name_th VARCHAR(255) NOT NULL,
+    min_credits INT NOT NULL DEFAULT 0,
+    sort_order INT NOT NULL DEFAULT 0,
+    FOREIGN KEY (curriculum_id) REFERENCES curricula(id) ON DELETE CASCADE,
+    FOREIGN KEY (parent_id) REFERENCES course_groups(id) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- รายวิชาในหลักสูตร
+CREATE TABLE courses (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    group_id INT NOT NULL,
+    code VARCHAR(20) NOT NULL UNIQUE,
+    name_th VARCHAR(255) NOT NULL,
+    name_en VARCHAR(255) DEFAULT '',
+    credits DECIMAL(3,1) NOT NULL,
+    lecture_hours INT NOT NULL DEFAULT 0,
+    practice_hours INT NOT NULL DEFAULT 0,
+    self_study_hours INT NOT NULL DEFAULT 0,
+    sort_order INT NOT NULL DEFAULT 0,
+    FOREIGN KEY (group_id) REFERENCES course_groups(id) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- นักศึกษา
+CREATE TABLE students (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    student_code VARCHAR(20) NOT NULL UNIQUE,
+    name_th VARCHAR(255) NOT NULL,
+    name_en VARCHAR(255) DEFAULT '',
+    faculty VARCHAR(255) DEFAULT '',
+    graduated_institution VARCHAR(255) DEFAULT '',
+    curriculum_id INT NOT NULL,
+    enrollment_year INT NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (curriculum_id) REFERENCES curricula(id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- รายวิชาที่นักศึกษาเรียนผ่านแล้ว (ทั้งเทียบโอนและลงทะเบียน)
+CREATE TABLE student_courses (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    student_id INT NOT NULL,
+    course_id INT DEFAULT NULL,
+    course_code VARCHAR(20) NOT NULL,
+    course_name_th VARCHAR(255) NOT NULL,
+    credits DECIMAL(3,1) NOT NULL,
+    lecture_hours INT NOT NULL DEFAULT 0,
+    practice_hours INT NOT NULL DEFAULT 0,
+    self_study_hours INT NOT NULL DEFAULT 0,
+    source_type ENUM('transfer','manual') NOT NULL DEFAULT 'manual',
+    source_file VARCHAR(255) DEFAULT NULL,
+    notes TEXT DEFAULT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (student_id) REFERENCES students(id) ON DELETE CASCADE,
+    FOREIGN KEY (course_id) REFERENCES courses(id) ON DELETE SET NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;