Flask_blog

Introduction

This is a Flask-based blog application that allows users to register, log in, create, edit, and delete blog posts. Admin users have additional capabilities to manage other users.

Project Structure

The project directory contains the following files and directories:

• app.py: Main application file to run the Flask server.
• docker-compose.yaml: Docker Compose file to set up and run the application.
• Dockerfile: Dockerfile for building the Docker image.
• init_db.py: Script to initialize the database.
• login.py: Script for user login functionality.
• register_user.py: Script for user registration via CLI.
• schema.sql: SQL file to create the database schema.
• requirements.txt: List of Python dependencies.
• templates/: Directory containing HTML template files.
• static/: Directory containing static files like CSS and JavaScript.
• README.md: This file.

Installation

To run this application locally, follow these steps:

Using Docker Compose:

1. Clone the repository:

   git clone https://github.com/berkmkaracayir/Flask_blog.git
   cd Flask_blog

2. Build and run the application using Docker Compose:

   docker-compose up --build

3. Initialize the database:

   docker-compose exec web python init_db.py

Without Docker Compose:

1. Clone the repository:

   git clone https://github.com/berkmkaracayir/Flask_blog.git
   cd Flask_blog

2. Create a virtual environment and activate it:

   python -m venv venv
   source venv/bin/activate  # On Windows use `venv\Scripts\activate`

3. Install the dependencies:

   pip install -r requirements.txt

4. Set environment variables and run the application:

   export FLASK_APP=app.py
   export FLASK_ENV=production
   flask run

5. Initialize the database:

   python init_db.py

Usage

Once the application is running, you can access it at http://localhost:8000.

1. Register a new user:

   • Access the registration page at http://localhost:8000/register or use the CLI script:

     docker-compose exec web python register_user.py

2. Log in:

   • Access the login page at http://localhost:8000/login.

3. Create a new post:

   • Access the create post page at http://localhost:8000/create.

4. Edit a post:

   • Go to the specific post page and click the "Edit" button if you are the owner or an admin.

5. Delete a post:

   • Go to the specific post page and click the "Delete" button if you are the owner or an admin.

6. Admin panel:

   • Admin users can access the admin panel at http://localhost:8000/admin to manage users.

Endpoints

The following table lists the key endpoints of the application along with their HTTP methods and descriptions:

Endpoint	Method	Description
/	GET	Home page listing all blog posts.
/post/<post_id>	GET	View a specific post.
/create	GET	Display the form to create a new post.
/create	POST	Submit a new post.
/edit/<post_id>	GET	Display the form to edit a post.
/edit/<post_id>	POST	Submit changes to a post.
/delete/<post_id>	POST	Delete a post.
/login	GET	Display the login form.
/login	POST	Submit login credentials.
/logout	GET	Log out the current user.
/register	GET	Display the registration form.
/register	POST	Submit registration details.
/admin	GET	Admin panel for managing users.
/edit_user/<id>	GET	Display the form to edit a user.
/edit_user/<id>	POST	Submit changes to a user.
/delete_user/<id>	POST	Delete a user.

File Descriptions

1. app.py:

   • The main Flask application file that initializes and runs the server.

2. docker-compose.yaml:

   • Defines the services for the Docker Compose setup. It builds the web service and maps port 8000.

3. Dockerfile:

   • Contains instructions to build the Docker image for the application.

4. init_db.py:

   • Script to initialize the SQLite database using the schema defined in schema.sql.

5. login.py:

   • Handles user login functionality.

6. register_user.py:

   • CLI script for registering a new user, specifically an admin user.

7. schema.sql:

   • SQL script to create the necessary database tables.

8. requirements.txt:

   • Lists all the Python packages required to run the application.

9. templates/:

   • Contains the HTML templates for different pages:
     • base.html: Base template extended by other templates.
     • index.html: Home page listing all blog posts.
     • post.html: Individual post page.
     • create.html: Create a new post page.
     • edit.html: Edit an existing post page.
     • login.html: User login page.
     • register.html: User registration page.
     • edit_user.html: Edit user information page.
     • admin.html: Admin dashboard.

10. static/:

    • Contains static files like CSS and JavaScript.

Dependencies

The project requires the following Python packages (listed in requirements.txt):

• Blinker
• Click
• Flask
• Flask-Login
• Flask-WTF
• Gunicorn
• Itsdangerous
• Jinja2
• Markdown
• Markdown2
• MarkupSafe
• Packaging
• Werkzeug
• WTForms

License

This project is licensed under the MIT License.

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Feel free to contribute to the project by submitting pull requests or reporting issues. For detailed information on usage and contributing guidelines, refer to the documentation within the project repository.