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views.py
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views.py
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from models import Base, User, OAuthMembership, Request,Proposal,MealDate
from flask import Flask, jsonify, request, url_for, abort, g, redirect,render_template,flash,make_response
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import relationship, sessionmaker
from sqlalchemy import create_engine, or_, and_
from functools import update_wrapper
from oauth import OAuthSignIn
from flask import session as login_session
from flask.ext.httpauth import HTTPBasicAuth
auth = HTTPBasicAuth()
import random,string
from datetime import datetime, time
from findARestaurant import findARestaurant
engine = create_engine('sqlite:///meatneat.db')
Base.metadata.bind = engine
DBSession = sessionmaker(bind=engine)
session = DBSession()
app = Flask(__name__)
app.config['OAUTH_CREDENTIALS'] = {
'google': {
'id': '763910754530-rqig5i0qt95f2832bdkg15m49580rhtl.apps.googleusercontent.com',
'secret': 'KA5kZILEXedg8SuQsied7MfW'
},
}
@auth.verify_password
def verify_password(username_or_token, password):
#Try to see if it's a token first
user_id = User.verify_auth_token(username_or_token)
if user_id:
user = session.query(User).filter_by(id = user_id).one()
else:
user = session.query(User).filter_by(username = username_or_token).first()
if not user or not user.verify_password(password):
return False
g.user = user
return True
@app.route('/token')
@auth.login_required
def get_auth_token():
token = g.user.generate_auth_token()
return jsonify({'token': token.decode('ascii')})
@auth.error_handler
def unauthorized():
return make_response(jsonify( { 'error': 'Unauthorized access' } ), 403)
# return error 403
@app.errorhandler(400)
def not_found(error):
return make_response(jsonify( { 'error': 'Bad request' } ), 400)
@app.errorhandler(404)
def not_found(error):
return make_response(jsonify( { 'error': 'Not found' } ), 404)
@app.errorhandler(403)
def notauthorized(error):
return make_response(jsonify( { 'error': 'Unauthorized access' } ), 403)
@app.route('/')
@app.route('/index') #route to index.html
def index():
if not login_session.get('username') :
return redirect(url_for('login'))
return render_template('index.html')
@app.route('/login') #login using login.html - google account
def login():
return render_template('login.html')
@app.route('/oauth/<provider>')
def oauth_authorize(provider):
oauth = OAuthSignIn.get_provider(provider)
return oauth.authorize()
@app.route('/api/logout', methods = ['GET'])
@auth.login_required
def logout():
g.user = None
return jsonify({"result": True})
#login to api
@app.route('/api/login', methods = ['POST'])
def api_login():
if not request.json or not 'username' in request.json or not 'password' in request.json:
print "missing arguments"
abort(400)
username = request.json.get('username')
password = request.json.get('password')
user = session.query(User).filter_by(username = username).first()
if not user or not user.verify_password(password):
return jsonify({"result": False})
token = user.generate_auth_token(6000)
return jsonify({'token': token.decode('ascii')})
#get users that are logged in
@app.route('/api/users', methods= ['GET'])
@auth.login_required
def get_users():
users = session.query(User).all()
return jsonify(users = [u.serialize for u in users])
#create a user with username and password using POST
@app.route('/api/users', methods= ['POST'])
def new_user():
if not request.json or not 'username' in request.json or not 'password' in request.json:
print "missing arguments"
abort(400)
username = request.json.get('username')
password = request.json.get('password')
if not username or not password:
abort(400)
if session.query(User).filter_by(username = username).first() is not None:
print "existing user"
user = session.query(User).filter_by(username=username).first()
return jsonify({'message':'user already exists'}), 409#, {'Location': url_for('get_user', id = user.id, _external = True)}
user = User(username = username)
user.hash_password(password)
session.add(user)
session.commit()
token = user.generate_auth_token()
return jsonify({'token': token.decode('ascii')})
@app.route('/api/users', methods=['PUT'])
@auth.login_required
def update_user():
pass
#get a user with a specific ID
@app.route('/api/users/<int:id>', methods=['GET'])
@auth.login_required
def get_user(id):
user = session.query(User).filter_by(id = id).first()
if user is None:
abort(404)
return jsonify(user.serialize)
#get all requests
@app.route('/api/requests', methods=['GET'])
@auth.login_required
def get_requests():
user = g.user
requests = session.query(Request).filter(user.id != Request.user_id).all()
return jsonify(requests = [r.serialize for r in requests])
#get all my requests
@app.route('/api/requests/me', methods=['GET'])
@auth.login_required
def get_my_requests():
user = g.user
requests = session.query(Request).filter(user.id == Request.user_id).all()
return jsonify(requests = [r.serialize for r in requests])
#create request using POST with meal_type, longitude, latitude, location_string and meal_time
@app.route('/api/requests', methods=['POST'])
@auth.login_required
def new_request():
user = g.user
if not request.json:
abort(400)
errors = Request.validate(request.json)
if len(errors) == 0:
meal_type = request.json.get('meal_type')
longitude = request.json.get('longitude')
latitude = request.json.get('latitude')
location_string = request.json.get('location_string')
meal_time = request.json.get('meal_time')
r = Request(user_id = user.id,meal_type = meal_type, longitude = longitude, latitude = latitude, location_string = location_string, meal_time = meal_time)
session.add(r)
session.commit()
return jsonify( { 'result': True } ),201
return jsonify({"message": "The request is invalid."},errors = [error for error in errors]) ,400
#get a request with a specific ID
@app.route('/api/requests/<int:id>', methods=['GET'])
@auth.login_required
def get_request(id):
r = session.query(Request).filter_by(id = id).first()
if r is None:
abort(404)
return jsonify(r.serialize)
#update a request with a specific ID
@app.route('/api/requests/<int:id>', methods=['PUT'])
@auth.login_required
def update_request(id):
user = g.user
if not request.json:
abort(400)
errors = Request.validate(request.json)
if len(errors) == 0:
return jsonify( { 'result': True } )
return jsonify({"message": "The request is invalid."},errors = [error for error in errors]) ,400
#delete a request with a specific ID
@app.route('/api/requests/<int:id>', methods=['DELETE'])
@auth.login_required
def delete_request(id):
user = g.user
r = session.query(Request).filter_by(id = id).first()
if r is None:
abort(404)
if user.id != r.user_id:
abort(403)
session.delete(r)
session.commit()
return jsonify( { 'result': True } )
#get all proposals
@app.route('/api/proposals', methods=['GET'])
@auth.login_required
def get_proposals():
user = g.user
proposals = session.query(Proposal).filter(Proposal.user_proposed_to == user.id).all()
return jsonify(proposals = [proposal.serialize for proposal in proposals])
#get all my proposals
@app.route('/api/proposals/me', methods=['GET'])
@auth.login_required
def get_my_proposals():
user = g.user
proposals = session.query(Proposal).filter(Proposal.user_proposed_from == user.id).all()
return jsonify(proposals = [proposal.serialize for proposal in proposals])
#create a proposal
@app.route('/api/proposals', methods=['POST'])
@auth.login_required
def new_proposal():
user = g.user
if not request.json:
abort(400)
errors = Proposal.validate(request.json)
if len(errors) == 0:
request_id = request.json.get('request_id')
r = session.query(Request).filter_by(id = request_id).first()
if r is None:
return jsonify({"message": "The request is invalid."},errors = [dict({"request_id":"Request does not exist"})]) ,400
if user.id == r.user_id:
abort(403)
proposal = Proposal(user_proposed_from = user.id, user_proposed_to = r.user_id, request_id = r.id )
session.add(proposal)
session.commit()
return jsonify( { 'result': True } )
return jsonify({"message": "The request is invalid."},errors = [error for error in errors]) ,400
#get a proposal with a valid ID
@app.route('/api/proposals/<int:id>', methods=['GET'])
@auth.login_required
def get_proposal(id):
user = g.user
proposal = session.query(Proposal).filter_by(id = id).first()
if proposal is None:
abort(404)
if proposal.user_proposed_to != user.id and proposal.user_proposed_from != user.id:
abort(403)
return jsonify(proposal.serialize)
#update a proposal with a valid ID
@app.route('/api/proposals/<int:id>', methods=['PUT'])
@auth.login_required
def update_proposal(id):
user = g.user
if not request.json:
abort(400)
errors = Proposal.validate(request.json)
if len(errors) == 0:
return jsonify( { 'result': True } )
return jsonify({"message": "The request is invalid."},errors = [error for error in errors]) ,400
#delete a proposal with a valid ID
@app.route('/api/proposals/<int:id>', methods=['DELETE'])
@auth.login_required
def delete_proposal(id):
proposal = session.query(Proposal).filter_by(id = id).first()
if proposal is None:
abort(404)
if proposal.user_proposed_from != user.id:
abort(403)
session.delete(proposal)
session.commit()
return jsonify( { 'result': True } )
#get all dates
@app.route('/api/dates', methods=['GET'])
@auth.login_required
def get_dates():
user = g.user
dates = session.query(MealDate).filter(or_(MealDate.user_1 == user.id, MealDate.user_2 == user.id)).all()
return jsonify(dates = [date.serialize for date in dates])
#create a date
@app.route('/api/dates', methods=['POST'])
@auth.login_required
def new_date():
user = g.user
if not request.json:
abort(400)
errors = MealDate.validate(request.json)
if len(errors) == 0:
proposalsa_id = request.json.get('proposal_id')
accept_proposal = request.json.get('accept_proposal')
proposal = session.query(Proposal).filter_by(id = proposal_id).first()
if proposal is None:
abort(404)
r = proposal.request
if r.filled:
return jsonify( { 'result': False } )
if accept_proposal:
proposal.filled = True
r.filled = True
restaurant_picture = "No Restaurants Found"
restaurant_address = "No Restaurants Found"
restaurant_name = "No Restaurants Found"
try:
result = findARestaurant(r.meal_type, r.location_string)
if type(result) == dict:
restaurant_picture = result.get('name')
restaurant_address = result.get('address')
restaurant_name = result.get('image')
except Exception as e:
print e
date = MealDate(meal_time = r.meal_time, user_1 = r.user_id , user_2 = proposal.user_proposed_from, restaurant_picture = restaurant_picture,restaurant_address = restaurant_address, restaurant_name= restaurant_name )
session.add(date)
session.add(proposal)
session.add(r)
session.commit()
return jsonify( { 'result': True } )
else:
session.delete(proposal)
session.commit()
return jsonify( { 'result': True } )
return jsonify({"message": "The request is invalid."},errors = [error for error in errors]) ,400
#get date with a specific ID
@app.route('/api/dates/<int:id>', methods=['GET'])
@auth.login_required
def get_date(id):
user = g.user
date = session.query(MealDate).filter_by(id = id).first()
if date is None:
abort(404)
if date.user_1 != user.id and date.user_2 != user.id:
abort(403)
return jsonify(date.serialize)
#update date with a specific ID
@app.route('/api/dates/<int:id>', methods=['PUT'])
@auth.login_required
def update_date(id):
user = g.user
if not request.json:
abort(400)
date = session.query(MealDate).filter_by(id = id).first()
if data is None:
abort(404)
errors = MealDate.validate(request.json)
if len(errors) == 0:
return jsonify( { 'result': True } )
return jsonify({"message": "The request is invalid."},errors = [error for error in errors]) ,400
#delete date with a specific ID
@app.route('/api/dates/<int:id>', methods=['DELETE'])
@auth.login_required
def delete_date(id):
date = session.query(MealDate).filter_by(id = id).first()
if date is None:
abort(404)
if date.user_1 != user.id and date.user_2 != user.id:
abort(403)
session.delete(date)
session.commit()
return jsonify( { 'result': True } )
#main
if __name__ == '__main__':
app.debug = True
app.config['SECRET_KEY'] = ''.join(random.choice(string.ascii_uppercase + string.digits) for x in xrange(32))
app.run(host='0.0.0.0', port=5000)