/
website.py
386 lines (304 loc) · 13 KB
/
website.py
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import requests
from datetime import datetime
import simplejson
from urllib.parse import unquote as urldecode
import flask
import random
from config import config
from functions import parse_datetime, render_datetime, \
hash_password, \
service_uris
app = flask.Flask(__name__)
app.config['DEBUG'] = config['debug']
# typical_clothes = ('Джинсы', 'Рубашка', 'Джемпер', 'Сорочка', 'Туфли', 'Носки', 'Галстук', 'Бабочка')
# typical_colors = ('син.', 'зел.', 'красн.', 'жёлт.', 'бел.', 'оранж.', 'чёрн.')
# for i in range(200):
# requests.post(service_uris['clothes'], json={
# 'name': random.choice(typical_clothes) + ' ' + random.choice(typical_colors),
# 'price': random.randrange(20, 200),
# })
class Session(dict, flask.sessions.SessionMixin):
def __init__(self, json, **kwargs):
super().__init__(**kwargs)
self.id = json['id']
self.user_id = json['user_id']
self.data = {item['key']: item['value'] for item in json['data_items']}
@property
def data(self):
return self
@data.setter
def data(self, data):
self.clear()
self.update(data)
def to_json(self):
return {
'user_id': self.user_id,
'last_used_at': render_datetime(datetime.now()),
'data_items': [{'key': key, 'value': value} for key, value in self.data.items()]
}
class SessionInterface(flask.sessions.SessionInterface):
def open_session(self, app, request):
try:
if 'session_id' in request.cookies:
session_response = requests.get(service_uris['sessions'] + '/' + request.cookies['session_id'])
if session_response.status_code == 200:
session = session_response.json()
if parse_datetime(session['last_used_at']) + config['website']['session_expires_after'] > datetime.now():
return Session(session)
session_response = requests.post(service_uris['sessions'], json={
'last_used_at': render_datetime(datetime.now()),
})
if session_response.status_code == 201:
session = session_response.json()
return Session(session)
except requests.exceptions.RequestException:
return Session({
'id': None,
'user_id': None,
'data_items': [],
})
def save_session(self, app, session, response):
if session.id is None:
response.set_cookie('session_id', '', expires=0)
return
try:
session_response = requests.patch(service_uris['sessions'] + '/' + str(session.id), json=session.to_json())
if session_response.status_code == 200:
response.set_cookie('session_id', str(session.id))
except requests.exceptions.RequestException:
pass
app.session_interface = SessionInterface()
@app.route('/', methods=['GET'])
def index():
return flask.redirect('/clothes/')
@app.route('/register', methods=['GET'])
def register():
if 'redirect_to' in flask.request.args:
flask.session['redirect_to'] = urldecode(flask.request.args['redirect_to'])
if flask.session.user_id is not None:
return flask.redirect('/me')
return flask.render_template('register_form.html')
@app.route('/register', methods=['POST'])
def post_to_register():
try:
user_response = requests.post(service_uris['users'], json={
'login': flask.request.form['login'],
'password_hash': hash_password(flask.request.form['password']),
'name': flask.request.form.get('name', None),
'phone': flask.request.form.get('phone', None),
'email': flask.request.form.get('email', None),
})
except requests.exceptions.RequestException:
return flask.render_template('error.html', reason='Сервис пользователей недоступен'), 500
if user_response.status_code == 201:
user = user_response.json()
flask.session.user_id = user['id']
return flask.redirect(flask.session.pop('redirect_to', '/me'), code=303)
return flask.render_template('error.html', reason=user_response.json()), 500
@app.route('/sign_in', methods=['GET'])
def sign_in():
if 'redirect_to' in flask.request.args:
flask.session['redirect_to'] = urldecode(flask.request.args['redirect_to'])
if flask.session.user_id is not None:
return flask.redirect('/me')
return flask.render_template('authorize_form.html')
@app.route('/sign_in', methods=['POST'])
def post_to_sign_in():
try:
user_response = requests.get(service_uris['users'], params={
'q': simplejson.dumps({
'filters': [
{'name': 'login', 'op': '==', 'val': flask.request.form['login']},
{'name': 'password_hash', 'op': '==', 'val': hash_password(flask.request.form['password'])},
],
'single': True,
}),
})
except requests.exceptions.RequestException:
return flask.render_template('error.html', reason='Сервис пользователей недоступен'), 500
if user_response.status_code == 200:
user = user_response.json()
flask.session.user_id = user['id']
return flask.redirect(flask.session.pop('redirect_to', '/me'), code=303)
return flask.render_template('error.html', reason=user_response.json()), 500
@app.route('/me', methods=['GET'])
def me():
if flask.session.user_id is None:
flask.session['redirect_to'] = '/me'
return flask.redirect('/sign_in')
try:
user_response = requests.get(service_uris['users'] + '/' + str(flask.session.user_id))
assert user_response.status_code == 200
user = user_response.json()
except requests.exceptions.RequestException:
user = None
return flask.render_template('me.html', user=user)
@app.route('/me', methods=['POST'])
def patch_me():
user = {}
if 'password' in flask.request.form and flask.request.form['password']:
user['password_hash'] = hash_password(flask.request.form['password'])
if 'name' in flask.request.form:
user['name'] = flask.request.form['name'] or None
if 'phone' in flask.request.form:
user['phone'] = flask.request.form['phone'] or None
if 'email' in flask.request.form:
user['email'] = flask.request.form['email'] or None
try:
user_response = requests.patch(service_uris['users'] + '/' + str(flask.session.user_id), json=user)
except requests.exceptions.RequestException:
return flask.render_template('error.html', reason='Сервис пользователей недоступен'), 500
if user_response.status_code == 200:
user = user_response.json()
return flask.render_template('me.html', user=user)
return flask.render_template('error.html', reason=user_response.json()), 500
@app.route('/clothes/', methods=['GET'])
def clothes():
user_name = None
if flask.session.user_id is not None:
try:
user_response = requests.get(service_uris['users'] + '/' + str(flask.session.user_id))
if user_response.status_code != 200:
return flask.render_template('error.html', reason=user_response.json()), 500
user = user_response.json()
user_name = user['name']
except requests.exceptions.RequestException:
pass
try:
per_page = int(flask.request.args.get('per_page', 20))
page = int(flask.request.args.get('page', 1))
clothes_response = requests.get(service_uris['clothes'], params={
'results_per_page': per_page,
'page': page,
})
assert clothes_response.status_code == 200
clothes = clothes_response.json()
if 'cart' not in flask.session:
flask.session['cart'] = {}
for cloth in clothes['objects']:
cloth['quantity'] = flask.session['cart'].get(str(cloth['id']), 0)
pages = clothes['total_pages']
page_clothes = clothes['objects']
except requests.exceptions.RequestException:
pages = 0
page_clothes = None
return flask.render_template('clothes.html', user_name=user_name,
page_clothes=page_clothes,
per_page=per_page,
page=page,
pages=pages)
@app.route('/clothes/', methods=['POST'])
def post_to_clothes():
clothes_id = flask.request.form['cloth_id']
action = flask.request.form['action']
cart = flask.session['cart']
if clothes_id not in cart:
cart[clothes_id] = 0
if action == '+':
cart[clothes_id] += 1
elif action == '-':
if cart.get(clothes_id, 0) > 0:
cart[clothes_id] -= 1
if cart[clothes_id] == 0:
del cart[clothes_id]
return flask.redirect(flask.request.url, code=303)
@app.route('/order', methods=['GET'])
def order():
clothes = []
if 'cart' not in flask.session:
flask.session['cart'] = {}
for clothes_id, quantity in flask.session['cart'].items():
try:
clothes_response = requests.get(service_uris['clothes'] + '/' + clothes_id)
assert clothes_response.status_code == 200
cloth = clothes_response.json()
clothes.append({
'name': cloth['name'],
'price': cloth['price'],
'quantity': quantity,
})
except requests.exceptions.RequestException:
pass
return flask.render_template('order.html', clothes=clothes)
@app.route('/order', methods=['POST'])
def post_to_order():
order_items = []
for clothes_id, quantity in flask.session['cart'].items():
order_items.append({
'clothes_id': int(clothes_id),
'quantity': quantity,
})
try:
order_response = requests.post(service_uris['orders'], json={
'user_id': flask.session.user_id,
'opened_at': render_datetime(datetime.now()),
'items': order_items,
'deliver_to': flask.request.form['deliver_to'],
})
assert order_response.status_code == 201
del flask.session['cart']
except requests.exceptions.RequestException:
pass
return flask.redirect('/orders/', code=303)
@app.route('/orders_all_users/', methods=['GET'])
def orders_all_users():
try:
user_response = requests.get(service_uris['users'])
if user_response.status_code != 200:
return flask.render_template('error.html', reason=user_response.json()), 500
users = user_response.json()['objects']
except requests.exceptions.RequestException:
pass
try:
users_with_orders = []
all_users = [u['id'] for u in users]
resp = requests.get(service_uris['orders'], params={
'q': simplejson.dumps({
'filters': [
{'name': 'user_id', 'op': 'in', 'val': all_users},
],
}),
})
assert resp.status_code == 200
resp_json = resp.json()
all_orders = resp_json['objects']
for user in users:
orders = [order for order in all_orders if order['user_id'] == user['id']]
user_with_orders = (user['name'], orders)
users_with_orders.append(user_with_orders)
except requests.exceptions.RequestException:
users_with_orders = None
print(users_with_orders)
return flask.render_template('all_orders.html', users=users_with_orders)
@app.route('/orders/', methods=['GET'])
def orders():
if flask.session.user_id is None:
flask.session['redirect_to'] = '/orders/'
return flask.redirect('/sign_in')
user_name = None
if flask.session.user_id is not None:
try:
user_response = requests.get(service_uris['users'] + '/' + str(flask.session.user_id))
if user_response.status_code != 200:
return flask.render_template('error.html', reason=user_response.json()), 500
user = user_response.json()
user_name = user['name']
except requests.exceptions.RequestException:
pass
try:
orders_response = requests.get(service_uris['orders'], params={
'q': simplejson.dumps({
'filters': [
{'name': 'user_id', 'op': '==', 'val': flask.session.user_id},
],
}),
})
assert orders_response.status_code == 200
orders = orders_response.json()
orders = orders['objects']
except requests.exceptions.RequestException:
orders = None
return flask.render_template('orders.html', user_name=user_name,
orders=orders)
if __name__ == '__main__':
app.run(port=config['website']['port'])