def track_product(self, vald):
username = vald['username']
product_id = vald['product_id']
try:
res = self.pub.call({
'method': 'get',
'resource': 'user',
'where': {
'username': username
}
})
user = unserialize(res['result'])
res = self.pub.call({
'method': 'get',
'resource': 'product',
'where': {
'id': product_id
}
})
product = unserialize(res['result'])
except Exception as e:
return {'message': str(e)}
tracked = Tracked(wishlist=vald['wishlist'])
tracked.product = product
user.products.append(tracked)
res = self.pub.call({'method': 'save', 'resource': serialize(user)})
if not res.get('success'):
self.logger.info(res['message'])
return res
def call(self, data_dict):
data_json = json.dumps(data_dict)
data_dict_formatted = data_dict.copy()
for key, value in data_dict_formatted.items():
try:
data_dict_formatted[key] = unserialize(value)
except:
pass
print("Requesting {}".format(reprlib.repr(data_dict_formatted)))
self.response = None
self.corr_id = str(uuid.uuid4())
self.channel.basic_publish(
exchange=self.exchange,
routing_key=self.queue,
properties=pika.BasicProperties(
reply_to = self.callback_queue,
correlation_id = self.corr_id,
content_type = 'application/json'
),
body=data_json
)
while self.response is None:
self.connection.process_data_events()
response_formatted = self.response.copy()
for key, value in response_formatted.items():
try:
response_formatted[key] = unserialize(value)
except Exception:
pass
print("Got {}".format(reprlib.repr(response_formatted)))
return self.response
def get_price_changes(self, *args):
'''
res = self.pub.call({'method': 'get', 'resource': 'product', 'where': {}})
products = unserialize(res['result'])
price_changed = []
minus_one_week = str(datetime.now() - timedelta(weeks=1))
for product in products:
if len(product.prices) > 1 and product.prices[-1].price and product.prices[-2].price:
if str(product.prices[-1].created_at) > minus_one_week:
price_changed.append(product)
return {'price_changed': [product.to_dict() for product in price_changed], 'total_products': len(products)}
'''
sql = "select product_id from prices where month(created_at) = month(now()) and stock = 'Available' group by product_id having count(*) > 1"
res = self.pub.call({
'method': 'sql_select_to_orm',
'resource': 'product',
'sql': sql
})
products = unserialize(res['result'])
products = [products] if type(products) != list else products
return {
'price_changed': [
product.to_dict() for product in products
if product.prices[-1].price and product.prices[-2].price
and product.prices[-1].price < product.prices[-2].price
]
}
def remove_product(self, vald):
username = vald['username']
product_id = vald['product_id']
try:
res = self.pub.call({
'method': 'get',
'resource': 'user',
'where': {
'username': username
}
})
user = unserialize(res['result'])
except Exception as e:
return {'message': str(e)}
for tracked in user.products:
if str(tracked.product.id) == product_id:
product_id = tracked.product.id
user_id = user.id
break
res = self.pub.call({
'method': 'delete',
'resource': 'tracked',
'where': {
'product_id': product_id,
'user_id': user_id
}
})
if not res.get('success'):
self.logger.info(res['message'])
return res
def search_query(self, query):
result = Walcart.search(query.replace(' ', '%20'))
if 'message' in result:
return {'success': False, 'message': result['message']}
elif 'items' in result:
products = [
self.burro.make_product(product_data)
for product_data in result['items']
]
res = self.pub.call({
'method': 'save',
'resource': serialize(products)
})
if 'success' in res:
res = self.pub.call({
'method': 'get',
'resource': 'product',
'where': {
'id': [p.id for p in products]
}
})
data = unserialize(res['result'])
product = [p.to_dict() for p in data
] if type(data) == list else data.to_dict()
return {'success': True, 'product': product}
else:
return {'success': False}
def paginated(self):
self.logger.info('[PAGINATED] Beginning paginated products traversal...')
res = self.pub.call({'method': 'get', 'resource': 'category', 'where': {}})
try:
categories = unserialize(res['result'])
except Exception as e:
self.logger.critical(str(e))
self.logger.info('[PAGINATED] Received {} categories'.format(len(categories)))
categories = categories[45:]
for category in categories:
time.sleep(self.delay * self.threads)
print(self.delay * self.threads)
paginated = Walcart.paginated(category.id)
for i in range(category.pages_parsed):
if 'nextPage' in paginated:
time.sleep(self.delay * self.threads)
paginated = Walcart.get_json(paginated['nextPage'])
else:
category.pages_parsed = -1
if 'items' in paginated:
products = []
products_data = paginated['items']
for product_data in products_data:
product = self.make_product(product_data)
products.append(product)
self.logger.info('\t[PAGINATED] Saving {} products...'.format(len(products)))
res = self.pub.call({'method': 'save', 'resource': serialize(products)})
if 'success' not in res:
self.logger.critical('[PAGINATED] '.format(res['message']))
category.pages_parsed += 1
self.pub.call({'method': 'save', 'resource': serialize(category)})
def search(self, product_id):
res = self.pub.call({
'method': 'get',
'resource': 'product',
'where': {
'id': product_id
}
})
product = unserialize(res['result'])
if not product:
product_data = Walcart.product(product_id)
if product_data.get('message'):
return product_data
product = self.burro.make_product(product_data)
res = self.pub.call({
'method': 'save',
'resource': serialize(product)
})
recommended_products = self.get_recommended_products(product.id)
res = self.pub.call({
'method': 'save',
'resource': serialize(recommended_products)
})
res_recommended_products = []
res = self.pub.call({
'method': 'get',
'resource': 'product',
'where': {
'id': [p.id for p in recommended_products]
}
})
if unserialize(res['result']):
res_recommended_products = [
p.to_dict() for p in unserialize(res['result'])
]
res = self.pub.call({
'method': 'get',
'resource': 'product',
'where': {
'id': product.id
}
})
product = unserialize(res['result'])
return {
'product': product.to_dict(),
'recommended': res_recommended_products
}
def update_prices(self):
res = self.pub.call({'method': 'get', 'resource': 'product', 'where': {}})
try:
products = unserialize(res['result'])
except Exception as e:
self.logger.critical('[UPDATE_PRICES] {}'.format(str(e)))
for product in products:
time.sleep(self.delay * self.threads)
self.update_price(product)
def login(self, user):
res = self.pub.call({
'method': 'get',
'resource': 'user',
'where': user
})
user = unserialize(res['result'])
if user:
return {'hash': user.password}
self.logger.info('Invalid username')
return {'success': False, 'message': 'Invalid username'}
def get_user(self, username):
try:
res = self.pub.call({
'method': 'get',
'resource': 'user',
'where': {
'username': username
}
})
user = unserialize(res['result'])
except Exception as e:
return {'message': str(e)}
return {'success': True, 'user': user.to_dict()}
def save(self, resource):
r_obj = unserialize(resource)
if type(r_obj) is list:
for obj in r_obj:
self.session.add(obj)
try:
self.session.commit()
except:
self.session.rollback()
else:
self.session.add(r_obj)
try:
self.session.commit()
self.session.expunge_all()
#r_obj = self.session.query(type(r_obj)).filter_by(id=r_obj.id).options(joinedload_all()).one()
return {'success': True}
except Exception as e:
self.logger.info(e)
self.session.rollback()
return {'message': str(e)}
