Trivia API is a web application that creates bonding experiences for its users. It can be hold on a regular basis via a webpage to manage the trivia app and play the game.
The user can:
- 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.
Follow instructions to install the latest version of python for your platform in the python docs
Working within a virtual environment is recommended.
navigate to the /backend
directory and run:
pip install -r requirements.txt
This will install all of the required packages in the requirements.txt
file.
-
Flask is a lightweight backend microservices framework. Flask is required to handle requests and responses.
-
SQLAlchemy is the Python SQL toolkit and ORM we'll use handle the lightweight sqlite database. You'll primarily work in app.py and can reference models.py.
-
Flask-CORS is the extension we'll use to handle cross origin requests from our frontend server.
With Postgres running, restore a database using the trivia.psql file provided. From the backend folder in terminal run:
psql trivia < trivia.psql
From within the backend
directory
To run the server, execute:
export FLASK_APP=flaskr
export FLASK_ENV=development
flask run
To run the tests, run
dropdb trivia_test
createdb trivia_test
psql trivia_test < trivia.psql
python test_flaskr.py
This project uses NPM to manage software dependencies. from the frontend
directory run:
npm install
The 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 start
- Backend Base URL:
http://127.0.0.1:5000/
- Frontend Base URL:
http://127.0.0.1:3000/
- Authentication is not implemented yet. The API can be used for free.
Errors are returned as JSON objects in the following format:
{
"success": False,
"error": 404,
"message": "Resource Not Found"
}
The API will return three error types when requests fail:
- 400: Bad Request
- 404: Resource Not Found
- 405: Method Not Allowed
- 422: Not Processable
GET /categories
curl http://127.0.0.1:5000/categories
{
"categories": {
"1": "Science",
"2": "Art",
"3": "Geography",
"4": "History",
"5": "Entertainment",
"6": "Sports"
},
"success": true
}
GET /questions
curl http://127.0.0.1:5000/questions
{
"categories": {
"1": "Science",
"2": "Art",
"3": "Geography",
"4": "History",
"5": "Entertainment",
"6": "Sports"
},
"currentCategory": "Science",
"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": "Maya Angelou",
"category": 4,
"difficulty": 2,
"id": 5,
"question": "Whose autobiography is entitled 'I Know Why the Caged Bird Sings'?"
},
{
"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": "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?"
}
],
"total_questions": 19
}
GET /questions/<int:id>
curl http://127.0.0.1:5000/questions/9 -X DELETE
{
"success": true,
"id": 9,
"message": "Question deleted"
}
GET /categories/<int:cat_id>/questions
curl http://127.0.0.1:5000/categories/1/questions
{
"currentCategory": "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?"
}
],
"totalQuestions": 3
}
POST /questions
curl http://127.0.0.1:5000/questions -X POST -H "Content-Type: application/json" -d '{
"question": "When did Perseverance rover landed on Mars",
"answer": "18 Feb 2021",
"difficulty": 3,
"category": "1"
}'
{
"success": true,
"id": 28
}
POST /questions/search
curl http://127.0.0.1:5000/questions/search -X POST -H "Content-Type: application/json" -d '{
"searchTerm": "Perseverance"
}'
{
"questions": [
{
"answer": "18 Feb 2021",
"category": 1,
"difficulty": 3,
"id": 28,
"question": "When did Perseverance rover landed on Mars"
}
],
"success": true,
"totalQuestions": 1
}
POST /quizzes
curl http://127.0.0.1:5000/quizzes -X POST -H "Content-Type: application/json" -d '{
"previous_questions": [1, 7],
"quiz_category": {"type": "Science", "id": "1"}
}'
{
"question": {
"answer": "Alexander Fleming",
"category": 1,
"difficulty": 3,
"id": 21,
"question": "Who discovered penicillin?"
},
"success": true
}
- Backend integration and testing: Donko Dimov
- Frontend and all starter files provided by Udacity Team