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main.py
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main.py
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import webapp2, datetime, logging, json
from pytz.gae import pytz
from google.appengine.ext.webapp import template
from google.appengine.ext import db
class MainHandler(webapp2.RequestHandler):
def get(self):
q = db.GqlQuery('SELECT * FROM Counter')
result =q.get()
if result:
billno = result.billno
else:
counter = Counter(billno = 1)
billno = 1
counter.put();
values = {
'billno' : billno,
'date' :getDateTime()
}
self.response.write(template.render('main.html', values))
def getDateTime():
d = datetime.datetime.today()
UTC=pytz.timezone('UTC')
india=pytz.timezone('Asia/Kolkata')
dd=UTC.localize(d)
dd=dd.astimezone(india)
return dd
class Product(db.Model):
desc = db.StringProperty(required=True)
price = db.IntegerProperty(required=True)
id = db.IntegerProperty(required=True)
qty = db.IntegerProperty(required=True)
pdate = db.DateProperty()
mdate = db.DateProperty()
class Invoice(db.Model):
pids = db.StringProperty(required=True)
billno = db.IntegerProperty(required=True)
price = db.FloatProperty(required=True)
idate = db.DateTimeProperty(auto_now_add = True)
class Counter(db.Model):
billno = db.IntegerProperty()
class NewProduct(webapp2.RequestHandler):
def get(self):
handmade_key = db.Key.from_path('Product', 1)
new_ids = db.allocate_ids(handmade_key, 1)
new_id_num = int(new_ids[0])
new_key = db.Key.from_path('Product', new_id_num)
product = Product(key=new_key,
id = new_key.id(),
desc = self.request.get('desc'),
price = int(self.request.get('price')),
qty = int(self.request.get('qty')))
product.pdate = datetime.datetime.now().date()
product.mdate = datetime.datetime.now().date()
product.put();
self.redirect('/product')
class ProductPage(webapp2.RequestHandler):
def get(self):
products = db.GqlQuery('SELECT * FROM Product ORDER BY pdate DESC')
values = {
'products' : products,
'numberproducts' : products.count()
}
self.response.write(template.render('product.html', values))
class AddStock(webapp2.RequestHandler):
def get(self):
q = db.GqlQuery("SELECT * FROM Product " +
"WHERE desc = :1 AND id=:2" ,
self.request.get('addStock_desc'),
int(self.request.get('addStock_id')))
result =q.get()
if result:
result.qty = int(int(self.request.get('addStock_qty')) + int(result.qty))
result.mdate = datetime.datetime.now().date()
result.put();
self.redirect('/product')
class RemoveProduct(webapp2.RequestHandler):
def post(self):
q = db.GqlQuery("SELECT * FROM Product " +
"WHERE id=:1" ,
int(self.request.get('del_id')))
result =q.get()
if result:
result.delete();
self.redirect('/product')
class TH_stockid(webapp2.RequestHandler):
def get(self):
if self.request.get('desc'):
products = db.GqlQuery('SELECT * FROM Product WHERE desc >= :1',self.request.get('query'))
else:
products = db.GqlQuery('SELECT * FROM Product WHERE id >= :1',int(self.request.get('query')))
records = []
for temp in products.run(limit=10):
record = {"id":temp.id, "desc":temp.desc, "price":temp.price, "qty":temp.qty}
records.append(record)
my_response = records
rjson = json.dumps(my_response)
self.response.headers.add_header('content-type', 'application/json', charset='utf-8')
self.response.out.write(rjson)
class resetBillNo(webapp2.RequestHandler):
def get(self):
q = db.GqlQuery('SELECT * FROM Counter')
result =q.get()
if result:
result.billno = 1
else:
counter = Counter(billno = 1)
counter.put();
return "true"
class SaveInvoice(webapp2.RequestHandler):
def get(self):
invoice = Invoice(billno=int(self.request.get('billno')),
pids = self.request.get('pids_qty'),
price = float(self.request.get('price')))
invoice.put();
pids_data = json.loads(self.request.get('pids'))
qtys_data = json.loads(self.request.get('qtys'))
q = db.GqlQuery('SELECT * FROM Counter')
counter = q.get()
if counter:
counter.billno = int(counter.billno + 1)
counter.put();
j = -1
for i in pids_data:
j = j + 1
q = db.GqlQuery("SELECT * FROM Product " +
"WHERE id=:1" ,int(i))
result =q.get()
if result:
result.qty = int( int(result.qty) - int(qtys_data[j]))
result.mdate = datetime.datetime.now().date()
result.put();
class ReportPage(webapp2.RequestHandler):
def get(self):
products = db.GqlQuery('SELECT price FROM Invoice WHERE idate =:1',datetime.datetime.now().date())
values = {
'sales_t' : 1,
'sales_m' : 2,
'expense_t' : 1,
'expense_m' : 2
}
self.response.write(template.render('report.html', values))
class ReportCharts(webapp2.RequestHandler):
def get(self):
if self.request.get('desc'):
products = db.GqlQuery('SELECT * FROM Product WHERE desc >= :1',self.request.get('query'))
else:
products = db.GqlQuery('SELECT * FROM Product WHERE id >= :1',int(self.request.get('query')))
records = []
for temp in products.run(limit=10):
record = {"id":temp.id, "desc":temp.desc, "price":temp.price, "qty":temp.qty}
records.append(record)
my_response = records
rjson = json.dumps(my_response)
self.response.headers.add_header('content-type', 'application/json', charset='utf-8')
self.response.out.write(rjson)
#logging.info("-------------------------------------------------------------------------------")
#logging.info(result.desc) self.response.write("---------------")
#logging.info("-------------------------------------------------------------------------------")
app = webapp2.WSGIApplication([
('/', MainHandler),
('/product', ProductPage),
('/newProduct', NewProduct),
('/addStock', AddStock),
('/typeahead_stockid', TH_stockid),
('/removeProduct', RemoveProduct),
('/save_invoice', SaveInvoice),
('/reset_billno', resetBillNo),
('/report', ReportPage),
('/report_chart', ReportCharts),
], debug=True)