slope86 / databaseproject112backend

Database Project 112 Backend

This repository contains the backend code for DatabaseProject112.

Installation

1. Clone the repository and install dependencies:

   git clone --depth 1 https://github.com/Slope86/DatabaseProject112Backend
   cd DatabaseProject112Backend
   pip install -r requirements.txt

   This will clone the repository and install all the required dependencies specified in the requirements.txt file.

2. Set up Database Connection

   • Rename the file .env.example to .env.
   • Fill in the necessary database connection information within the .env file.

3. Initialize the Database

   Run the following SQL queries ( SQL version: MySQL Community Server 8.0.17 ) in your chosen database management system to initialize the required structure:

   -- mySQL Query to create database fit_lohas
   CREATE DATABASE IF NOT EXISTS `fit_lohas`;
   
   -- mySQL Query to use database fit_lohas
   USE `fit_lohas`;
   
   -- mySQL Query to create table users
   CREATE TABLE users (
       UserID INT AUTO_INCREMENT PRIMARY KEY,
       Username VARCHAR(50) NOT NULL,
       Email VARCHAR(100) UNIQUE NOT NULL,
       PasswordHash VARCHAR(200) NOT NULL,
       AvatarPath VARCHAR(200) DEFAULT '/assets/images/avatars/000-default.png ',
       FullName VARCHAR(100),
       UserRole VARCHAR(50) DEFAULT 'STUDENT',
       PhoneNumber VARCHAR(20),
       Address VARCHAR(200),
       Gender ENUM('Male', 'Female', 'Other'),
       CreatedDate TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
       ModifyDate TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
   );
   
   -- mySQL Query to insert data into table users
   INSERT INTO users (
       UserID,
       Username, 
       Email, 
       PasswordHash, 
       AvatarPath, 
       FullName, 
       UserRole, 
       Address, 
       Gender
   ) VALUES (
       1,
       'admin', 
       '[email protected]', 
       '9e37a8d2e30bb3c7a36f2e1646c0154c835f56175307445146b9bb0f80fdb1d6',  -- Password: dummyPass
       '/assets/images/face-0.png', 
       'Super user', 
       'ADMIN', 
       'Taiwan NCHU', 
       'Male'
   );
   
   INSERT INTO users(
       UserID,
       Username,
       Email,
       PasswordHash,
       UserRole
   ) VALUES (
       2,
       'teacher01', 
       '[email protected]',
       '9e37a8d2e30bb3c7a36f2e1646c0154c835f56175307445146b9bb0f80fdb1d6',  -- Password: dummyPass
       'TEACHER'
   ),
   ( 
       3,
       'teacher02', 
       '[email protected]',
       '9e37a8d2e30bb3c7a36f2e1646c0154c835f56175307445146b9bb0f80fdb1d6',  -- Password: dummyPass
       'TEACHER'
   );
   
   INSERT INTO users(
       UserID,
       Username,
       Email,
       PasswordHash
   ) VALUES ( 
       4,
       'student01', 
       '[email protected]',
       '9e37a8d2e30bb3c7a36f2e1646c0154c835f56175307445146b9bb0f80fdb1d6'  -- Password: dummyPass
   ),
   (
       5,
       'student02', 
       '[email protected]',
       '9e37a8d2e30bb3c7a36f2e1646c0154c835f56175307445146b9bb0f80fdb1d6'  -- Password: dummyPass
   );
   
   -- mySQL Query to create table teachers with two attributes: TeacherID and Salary, where TeacherID is a foreign key referencing to UserID in table users
   CREATE TABLE teachers (
       TeacherID INT AUTO_INCREMENT PRIMARY KEY,
       UserID INT,
       Salary DECIMAL(10, 2),
       CreatedDate TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
       ModifyDate TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
       FOREIGN KEY (UserID) REFERENCES users(UserID)
   );
   
   -- mySQL Query to insert data into table teachers
   INSERT INTO teachers (
       UserID, 
       Salary
   ) VALUES (
       2, 
       100000
   ),
   (
       3, 
       200000
   );
   
   -- mySQL Query to create table courses  with four attributes: CourseID, TeacherID, CreatedDate, ModifyDate
   CREATE TABLE courses  (
       CourseID INT AUTO_INCREMENT PRIMARY KEY,
       CourseName VARCHAR(100) NOT NULL,
       CourseDescription VARCHAR(200) NOT NULL,
       Category VARCHAR(50),
       TeacherID INT,
       CreatedDate TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
       ModifyDate TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
       FOREIGN KEY (TeacherID) REFERENCES teachers(TeacherID)
   );
   
   -- Inserting course 1: Cardio Kickboxing
   INSERT INTO courses (CourseName, CourseDescription, Category, TeacherID)
   VALUES (
       'Cardio Kickboxing',
       'High-energy workout combining martial arts techniques and heart-pumping cardio.',
       'Kickboxing',
       1
   ),
   (
       'Strength Training 101',
       'Introduction to basic strength exercises focusing on building muscle and strength.',
       'Strength Training',
       2
   ),
   (
       'Yoga for Flexibility',
       'Gentle yoga practice aimed at improving flexibility and reducing stress.',
       'Yoga',
       2
   ),
   (
       'Advanced Kickboxing Techniques',
       'Advanced techniques and combinations for experienced practitioners.',
       'Kickboxing',
       1
   ),
   (
       'Powerlifting Essentials',
       'Focus on powerlifting exercises for building maximum strength.',
       'Strength Training',
       2
   ),
   (
       'Mindful Meditation through Yoga',
       'Learn mindfulness and meditation practices through yoga poses.',
       'Yoga',
       2
   );
   
   -- CourseEnter (CourseID, UserID, CreatedDate, ModifyDate)
   CREATE TABLE CourseEnter (
       CourseID INT,
       UserID INT,
       CreatedDate TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
       ModifyDate TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
       FOREIGN KEY (CourseID) REFERENCES courses(CourseID),
       FOREIGN KEY (UserID) REFERENCES users(UserID),
       PRIMARY KEY (CourseID, UserID)
   );
   
   -- Inserting CourseEnter 1: Cardio Kickboxing
   INSERT INTO CourseEnter (CourseID, UserID)
   VALUES (1, 4), (2, 4), (3, 5);

   Ensure these queries create the tables, relationships, or any initial data required for the project to function properly.

4. Run the Backend

   Run the following command to start the backend:

   python app.py

   The backend should now be running on http://localhost:5000.

Contributing

Feel free to contribute by creating issues or pull requests.

License

This project is licensed under the MIT License.