Trivia is a full stack web application written in React, PostgreSQL, Flask(Python) and deployed using Kubernetes and Docker.
SQLAlchemy ORM to be our ORM library of choice PostgreSQL as our database of choice Python3 and Flask as our server language and server framework The
The ./backend directory contains a partially completed Flask and SQLAlchemy server.
./frontend directory contains a complete React frontend to consume the data from the Flask server.
./nginx has the nginx configurations added. Nginx has been used as a load balancer
Created the front end in React and the backend in Flask and PostgreSQL. use the SQLAlchemy ORM to create the database and complete the database migrations. Learnt the use of forms and form validation with WFForms and Validator logic. Finally deployed the full stack application to Docker and Kubernetes
Since the project utilities Docker and Kubernetes
Use docker-compose up --build to create the intial build
This project is a game where users can test their knowledge answering trivia questions. The task for the project was to create an API and test suite for implementing the following functionality:
- Display questions - both all questions and by category. Questions should show the question, category and difficulty rating by default and can show/hide the answer.
- Delete questions.
- Add questions and require that they include question and answer text.
- Search for questions based on a text query string.
- Play the quiz game, randomizing either all questions or within a specific category.
Developers using this project should already have Python3, pip, node, and npm installed.
This project uses NPM to manage software dependencies. NPM Relies on the package.json file located in the frontend directory of this repository. After cloning, open your terminal and run:
npm installOnce you have your virtual environment setup and running, install dependencies by naviging to the /backend directory and running:
pip install -r requirements.txtThe frontend app was built using create-react-app. In order to run the app in development mode use npm start. You can change the script in the package.json file.
Open http://localhost:3000 to view it in the browser. The page will reload if you make edits.
npm startFrom within the backend directory first ensure you are working using your created virtual environment.
To run the server, execute:
export FLASK_APP=flaskr
export FLASK_ENV=development
flask runTo run the tests, run
dropdb trivia_test
createdb trivia_test
psql trivia_test < trivia.psql
python test_flaskr.py
Omit the dropdb command the first time you run tests.
- Base URL: Currently this application is only hosted locally. The backend is hosted at
http://127.0.0.1:5000/ - Authentication: This version does not require authentication or API keys.
Errors are returned as JSON in the following format:
{
"success": False,
"error": 404,
"message": "resource not found"
}
The API will return three types of errors:
- 400 – bad request
- 404 – resource not found
- 422 – unprocessable
-
General: Returns a list categories.
-
Sample:
curl http://127.0.0.1:5000/categories{ "categories": { "1": "Science", "2": "Art", "3": "Geography", "4": "History", "5": "Entertainment", "6": "Sports" }, "success": true }
-
General:
- Returns a list questions.
- Results are paginated in groups of 10.
- Also returns list of categories and total number of questions.
-
Sample:
curl http://127.0.0.1:5000/questions{ "categories": { "1": "Science", "2": "Art", "3": "Geography", "4": "History", "5": "Entertainment", "6": "Sports" }, "questions": [ { "answer": "Muhammad Ali", "category": 6, "difficulty": 1, "id": 9, "question": "What boxer's original name is Cassius Clay?" }, { "answer": "Apollo 13", "category": 5, "difficulty": 4, "id": 2, "question": "What movie earned Tom Hanks his third straight Oscar nomination, in 1996?" }, { "answer": "Tom Cruise", "category": 5, "difficulty": 4, "id": 4, "question": "What actor did author Anne Rice first denounce, then praise in the role of her beloved Lestat?" }, { "answer": "Edward Scissorhands", "category": 5, "difficulty": 3, "id": 6, "question": "What was the title of the 1990 fantasy directed by Tim Burton about a young man with multi-bladed appendages?" }, { "answer": "Brazil", "category": 6, "difficulty": 3, "id": 10, "question": "Which is the only team to play in every soccer World Cup tournament?" }, { "answer": "Uruguay", "category": 6, "difficulty": 4, "id": 11, "question": "Which country won the first ever soccer World Cup in 1930?" }, { "answer": "George Washington Carver", "category": 4, "difficulty": 2, "id": 12, "question": "Who invented Peanut Butter?" }, { "answer": "Lake Victoria", "category": 3, "difficulty": 2, "id": 13, "question": "What is the largest lake in Africa?" }, { "answer": "The Palace of Versailles", "category": 3, "difficulty": 3, "id": 14, "question": "In which royal palace would you find the Hall of Mirrors?" } ], "success": true, "total_questions": 19 }
-
General:
- Deletes a question by id using url parameters.
- Returns id of deleted question upon success.
-
Sample:
curl http://127.0.0.1:5000/questions/6 -X DELETE{ "deleted": 6, "success": true }
This endpoint either creates a new question or returns search results.
- If no search term is included in request:
-
General:
- Creates a new question using JSON request parameters.
- Returns JSON object with newly created question, as well as paginated questions.
-
Sample:
curl http://127.0.0.1:5000/questions -X POST -H "Content-Type: application/json" -d '{ "created": 173, "question_created": "Which US state contains an area known as the Upper Penninsula?", "questions": [ { "answer": "Apollo 13", "category": 5, "difficulty": 4, "id": 2, "question": "What movie earned Tom Hanks his third straight Oscar nomination, in 1996?" }, { "answer": "Tom Cruise", "category": 5, "difficulty": 4, "id": 4, "question": "What actor did author Anne Rice first denounce, then praise in the role of her beloved Lestat?" }, { "answer": "Muhammad Ali", "category": 4, "difficulty": 1, "id": 9, "question": "What boxer's original name is Cassius Clay?" }, { "answer": "Brazil", "category": 6, "difficulty": 3, "id": 10, "question": "Which is the only team to play in every soccer World Cup tournament?" }, { "answer": "Uruguay", "category": 6, "difficulty": 4, "id": 11, "question": "Which country won the first ever soccer World Cup in 1930?" }, { "answer": "George Washington Carver", "category": 4, "difficulty": 2, "id": 12, "question": "Who invented Peanut Butter?" }, { "answer": "Lake Victoria", "category": 3, "difficulty": 2, "id": 13, "question": "What is the largest lake in Africa?" }, { "answer": "The Palace of Versailles", "category": 3, "difficulty": 3, "id": 14, "question": "In which royal palace would you find the Hall of Mirrors?" }, { "answer": "Agra", "category": 3, "difficulty": 2, "id": 15, "question": "The Taj Mahal is located in which Indian city?" }, { "answer": "Escher", "category": 2, "difficulty": 1, "id": 16, "question": "Which Dutch graphic artist\u2013initials M C was a creator of optical illusions?" } ], "success": true, "total_questions": 20 }
- If search term is included in request:
-
General:
- Searches for questions using search term in JSON request parameters.
- Returns JSON object with paginated matching questions.
-
Sample:
curl http://127.0.0.1:5000/questions -X POST -H "Content-Type: application/json" -d '{"searchTerm": "which"}'{ "questions": [ { "answer": "Brazil", "category": 6, "difficulty": 3, "id": 10, "question": "Which is the only team to play in every soccer World Cup tournament?" }, { "answer": "Uruguay", "category": 6, "difficulty": 4, "id": 11, "question": "Which country won the first ever soccer World Cup in 1930?" }, { "answer": "The Palace of Versailles", "category": 3, "difficulty": 3, "id": 14, "question": "In which royal palace would you find the Hall of Mirrors?" }, { "answer": "Agra", "category": 3, "difficulty": 2, "id": 15, "question": "The Taj Mahal is located in which Indian city?" }, { "answer": "Escher", "category": 2, "difficulty": 1, "id": 16, "question": "Which Dutch graphic artist\u2013initials M C was a creator of optical illusions?" }, { "answer": "Jackson Pollock", "category": 2, "difficulty": 2, "id": 19, "question": "Which American artist was a pioneer of Abstract Expressionism, and a leading exponent of action painting?" }, { "answer": "Scarab", "category": 4, "difficulty": 4, "id": 23, "question": "Which dung beetle was worshipped by the ancient Egyptians?" }, { "answer": "Michigan", "category": 3, "difficulty": 3, "id": 173, "question": "Which US state contains an area known as the Upper Penninsula?" } ], "success": true, "total_questions": 18 }
-
General:
- Gets questions by category id using url parameters.
- Returns JSON object with paginated matching questions.
-
Sample:
curl http://127.0.0.1:5000/categories/1/questions{ "current_category": "Science", "questions": [ { "answer": "The Liver", "category": 1, "difficulty": 4, "id": 20, "question": "What is the heaviest organ in the human body?" }, { "answer": "Alexander Fleming", "category": 1, "difficulty": 3, "id": 21, "question": "Who discovered penicillin?" }, { "answer": "Blood", "category": 1, "difficulty": 4, "id": 22, "question": "Hematology is a branch of medicine involving the study of what?" } ], "success": true, "total_questions": 18 }
-
General:
- Allows users to play the quiz game.
- Uses JSON request parameters of category and previous questions.
- Returns JSON object with random question not among previous questions.
-
Sample:
curl http://127.0.0.1:5000/quizzes -X POST -H "Content-Type: application/json" -d '{"previous_questions": [20, 21], "quiz_category": {"type": "Science", "id": "1"}}'{ "question": { "answer": "Alexander Fleming", "category": 1, "difficulty": 3, "id": 21, "question": "Who discovered pencilin?" }, "success": true }