backend/src/resources.py

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2020-11-24 20:26:02 +01:00
#!/usr/bin/env python3
import datetime
from flask_jwt_extended import create_access_token, jwt_required
from flask_restful import Resource
from flask import request, current_app
from db import db
from models import User
from schemas import UserSchema, UserMetadataSchema
"""
Flask Restful endpoints
"""
__author__ = '@tormakris'
__copyright__ = "Copyright 2020, videON Team"
__module_name__ = "resources"
__version__text__ = "1"
class SignupApi(Resource):
"""
See: https://swagger.kmlabz.com/?urls.primaryName=videON%20Backend#/backend/createuser
"""
userschema = UserSchema(many=False)
usermetadataschema = UserMetadataSchema(many=False)
def post(self):
body = request.get_json()
try:
userobj = self.userschema.load(body)
except Exception as e:
current_app.logger.exception(e)
return {'status': 'error', 'message': 'Input JSON schema invalid'}, 417
user = User(name=userobj['name'], password=userobj['password'])
try:
user.hash_password()
db.session.add(user)
db.session.commit()
except Exception as e:
db.session.rollback()
current_app.logger.exception(e)
return {'status': 'error', 'message': 'db transaction error'}, 503
return self.usermetadataschema.dump(user), 200
class LoginApi(Resource):
"""
See: https://swagger.kmlabz.com/?urls.primaryName=videON%20Backend#/backend/logon
"""
userschema = UserSchema(many=False)
usermetadataschema = UserMetadataSchema(many=False)
def post(self):
body = request.get_json()
try:
userobj = self.userschema.load(body)
except Exception as e:
current_app.logger.exception(e)
return {'status': 'error', 'message': 'Input JSON schema invalid'}, 417
user = User.query.filter_by(name=userobj['name']).first()
authorized = user.check_password(userobj['password'])
if not authorized:
return {'status': 'error', 'message': 'username or password invalid'}, 401
try:
user.last_logon = datetime.datetime.now()
db.session.add(user)
db.session.commit()
except Exception as e:
db.session.rollback()
current_app.logger.exception(e)
return {'status': 'error', 'message': 'db transaction error'}, 503
expires = datetime.timedelta(days=7)
access_token = create_access_token(identity=str(user.name), expires_delta=expires)
return {'token': access_token}, 200