This route is about likes or vote system and this route contain code for upvote or back vote there is not logic about down vote
First clone this repo by using following command
git clone https://github.com/Sanjeev-Thiyagarajan/fastapi-course.git
then
cd fastapi-course
Then install fastapp using all flag like
pip install fastapi[all]
Then go this repo folder in your local computer run follwoing command
uvicorn main:app --reload
Then you can use following link to use the API
http://127.0.0.1:8000/docs
Create a database in postgres then create a file name .env and write the following things in you file
DATABASE_HOSTNAME = localhost
DATABASE_PORT = 5432
DATABASE_PASSWORD = passward_that_you_set
DATABASE_NAME = name_of_database
DATABASE_USERNAME = User_name
SECRET_KEY = 09d25e094faa2556c818166b7a99f6f0f4c3b88e8d3e7
ALGORITHM = HS256
ACCESS_TOKEN_EXPIRE_MINUTES = 60(base)