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[flat discount] implemented flat discount on server side

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This commit is contained in:
Akhilesh Darjee
2013-12-24 20:30:03 +05:30
parent b09dc46e68
commit 63aa5fd673
3 changed files with 108 additions and 70 deletions
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50
controllers/accounts_controller.py
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@@ -148,6 +148,10 @@ class AccountsController(TransactionBase):
self.doc.conversion_rate = flt(self.doc.conversion_rate)
self.item_doclist = self.doclist.get({"parentfield": self.fname})
self.tax_doclist = self.doclist.get({"parentfield": self.other_fname})
# for buying
if not hasattr(self, "flat_discount_applied"):
self.flat_discount_applied = False
self.calculate_item_values()
self.initialize_taxes()
@@ -232,24 +236,26 @@ class AccountsController(TransactionBase):
_on_previous_row_error("1 - %d" % (tax.row_id,))
def calculate_taxes(self):
for item in self.item_doclist:
# maintain actual tax rate based on idx
actual_tax_dict = dict([[tax.idx, tax.rate] for tax in self.tax_doclist
if tax.charge_type == "Actual"])
for n, item in enumerate(self.item_doclist):
item_tax_map = self._load_item_tax_rate(item.item_tax_rate)
for i, tax in enumerate(self.tax_doclist):
# tax_amount represents the amount of tax for the current step
current_tax_amount = self.get_current_tax_amount(item, tax, item_tax_map)
# Adjust divisional loss to the last item
if tax.charge_type == "Actual":
actual_tax_dict[tax.idx] -= current_tax_amount;
if n == len(self.item_doclist) - 1:
current_tax_amount += actual_tax_dict[tax.idx]
if hasattr(self, "set_item_tax_amount"):
self.set_item_tax_amount(item, tax, current_tax_amount)
# case when net total is 0 but there is an actual type charge
# in this case add the actual amount to tax.tax_amount
# and tax.grand_total_for_current_item for the first such iteration
if tax.charge_type=="Actual" and \
not (current_tax_amount or self.doc.net_total or tax.tax_amount):
zero_net_total_adjustment = flt(tax.rate, self.precision("tax_amount", tax))
current_tax_amount += zero_net_total_adjustment
# store tax_amount for current item as it will be used for
# charge type = 'On Previous Row Amount'
tax.tax_amount_for_current_item = current_tax_amount
@@ -271,17 +277,31 @@ class AccountsController(TransactionBase):
# note: grand_total_for_current_item contains the contribution of
# item's amount, previously applied tax and the current tax on that item
if i==0:
tax.grand_total_for_current_item = flt(item.amount +
current_tax_amount, self.precision("total", tax))
tax.grand_total_for_current_item = flt(item.amount + current_tax_amount,
self.precision("total", tax))
else:
tax.grand_total_for_current_item = \
flt(self.tax_doclist[i-1].grand_total_for_current_item +
flt(self.tax_doclist[i-1].grand_total_for_current_item +
current_tax_amount, self.precision("total", tax))
# in tax.total, accumulate grand total of each item
tax.total += tax.grand_total_for_current_item
# set precision in the last item iteration
if n == len(self.item_doclist) - 1:
tax.total = flt(tax.total, self.precision("total", tax))
tax.tax_amount = flt(tax.tax_amount, self.precision("tax_amount", tax))
tax.tax_amount_after_flat_discount = flt(tax.tax_amount_after_flat_discount,
self.precision("tax_amount", tax))
# adjust discount loss in last tax iteration
if i == (len(self.tax_doclist) - 1) and self.flat_discount_applied:
flat_discount_loss = self.doc.grand_total - self.doc.flat_discount - tax.total
tax.tax_amount_after_flat_discount = flt(tax.tax_amount_after_flat_discount +
flat_discount_loss, self.precision("tax_amount", tax))
tax.total = flt(tax.total + flat_discount_loss, self.precision("total", tax))
def get_current_tax_amount(self, item, tax, item_tax_map):
tax_rate = self._get_tax_rate(tax, item_tax_map)
current_tax_amount = 0.0
@@ -300,9 +320,9 @@ class AccountsController(TransactionBase):
elif tax.charge_type == "On Previous Row Total":
current_tax_amount = (tax_rate / 100.0) * \
self.tax_doclist[cint(tax.row_id) - 1].grand_total_for_current_item
current_tax_amount = flt(current_tax_amount, self.precision("tax_amount", tax))
# store tax breakup for each item
key = item.item_code or item.item_name
if tax.item_wise_tax_detail.get(key):