def cash_flow(n):
""" Get cash flow.
"""
# Create dict for last 'n' months
list = list_monthly(n)
# Get min date to query filter
date = datetime.datetime.now() - dateutil.relativedelta.relativedelta(
months=n)
# Get purchases query
queryPurchases = purchasesModel.get_query_purchase()
# Get purchases by date filter
purchases = queryPurchases.filter(
purchasesModel.PurchaseModel.purchase_date > date).fetch(projection=[
purchasesModel.PurchaseModel.total_cost,
purchasesModel.PurchaseModel.payment_date
])
# Group by period
for purchase in purchases:
for i in list:
if same_period(purchase.payment_date, i['period']):
i['purchases'] = round(i['purchases'] + purchase.total_cost, 2)
# Get sales query
salesQuery = salesModel.get_sales_query()
# Get sales by date filter
sales = salesQuery.filter(salesModel.SaleModel.sale_date > date).fetch(
projection=[
salesModel.SaleModel.amount, salesModel.SaleModel.sale_date
])
# Group by period
for sale in sales:
for i in list:
if same_period(sale.sale_date, i['period']):
i['sales'] = round(i['sales'] + sale.amount, 2)
# Calculate balance and accumulated balance
accumulated_balance = 0.0
for month in list:
month['balance'] = round(month['sales'] - month['purchases'], 2)
accumulated_balance = accumulated_balance + month['balance']
month['accumulated_balance'] = round(accumulated_balance, 2)
# return list
return list
def cash_flow(n):
""" Get cash flow.
"""
# Create dict for last 'n' months
list = list_monthly(n)
# Get min date to query filter
date = datetime.datetime.now() - dateutil.relativedelta.relativedelta(
months=n)
# Get purchases query
queryPurchases = purchasesModel.get_query_purchase()
# Get purchases by date filter
purchases = queryPurchases.filter(
purchasesModel.PurchaseModel.purchase_date > date).fetch(
projection=[purchasesModel.PurchaseModel.total_cost,
purchasesModel.PurchaseModel.payment_date])
# Group by period
for purchase in purchases:
for i in list:
if same_period(purchase.payment_date, i['period']):
i['purchases'] = round(i['purchases'] + purchase.total_cost, 2)
# Get sales query
salesQuery = salesModel.get_sales_query()
# Get sales by date filter
sales = salesQuery.filter(
salesModel.SaleModel.sale_date > date).fetch(
projection=[salesModel.SaleModel.amount,
salesModel.SaleModel.sale_date])
# Group by period
for sale in sales:
for i in list:
if same_period(sale.sale_date, i['period']):
i['sales'] = round(i['sales'] + sale.amount, 2)
# Calculate balance and accumulated balance
accumulated_balance = 0.0
for month in list:
month['balance'] = round(month['sales'] - month['purchases'], 2)
accumulated_balance = accumulated_balance + month['balance']
month['accumulated_balance'] = round(accumulated_balance, 2)
# return list
return list
def has_sales_by_product(productKey):
""" Check if there is any sale with product key.
"""
return get_query_purchase().filter(
SaleModel.product == productKey).get() is not None
def has_sales_by_product(productKey):
""" Check if there is any sale with product key.
"""
return get_query_purchase().filter(SaleModel.product
== productKey).get() is not None
