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main.py
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main.py
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from flask import Flask
from flask_restful import Api, Resource, reqparse, abort, fields, marshal_with
from flask_sqlalchemy import SQLAlchemy
app = Flask(__name__)
api = Api(app)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///database.db'
db = SQLAlchemy(app)
class VideoModel(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(100), nullable=False)
views = db.Column(db.Integer, nullable=False)
likes = db.Column(db.Integer, nullable=False)
def __repr__(self):
return f"Video(name = {name}, views = {views}, likes = {likes})"
video_put_args = reqparse.RequestParser()
video_put_args.add_argument("name", type=str, help="Name of the video is required", required=True)
video_put_args.add_argument("views", type=int, help="Views of the video", required=True)
video_put_args.add_argument("likes", type=int, help="Likes on the video", required=True)
video_update_args = reqparse.RequestParser()
video_update_args.add_argument("name", type=str, help="Name of the video is required")
video_update_args.add_argument("views", type=int, help="Views of the video")
video_update_args.add_argument("likes", type=int, help="Likes on the video")
resource_fields = {
'id': fields.Integer,
'name': fields.String,
'views': fields.Integer,
'likes': fields.Integer
}
class Video(Resource):
@marshal_with(resource_fields)
def get(self, video_id):
result = VideoModel.query.filter_by(id=video_id).first()
if not result:
abort(404, message="Could not find video with that id")
return result
@marshal_with(resource_fields)
def put(self, video_id):
args = video_put_args.parse_args()
result = VideoModel.query.filter_by(id=video_id).first()
if result:
abort(409, message="Video id taken...")
video = VideoModel(id=video_id, name=args['name'], views=args['views'], likes=args['likes'])
db.session.add(video)
db.session.commit()
return video, 201
@marshal_with(resource_fields)
def patch(self, video_id):
args = video_update_args.parse_args()
result = VideoModel.query.filter_by(id=video_id).first()
if not result:
abort(404, message="Video doesn't exist, cannot update")
if args['name']:
result.name = args['name']
if args['views']:
result.views = args['views']
if args['likes']:
result.likes = args['likes']
db.session.commit()
return result
def delete(self, video_id):
abort_if_video_id_doesnt_exist(video_id)
del videos[video_id]
return '', 204
api.add_resource(Video, "/video/<int:video_id>")
if __name__ == "__main__":
app.run(debug=True)