added tax and transaction controller for server-side calculations
diff --git a/controllers/transaction_controller.py b/controllers/transaction_controller.py
new file mode 100644
index 0000000..39a7376
--- /dev/null
+++ b/controllers/transaction_controller.py
@@ -0,0 +1,121 @@
+# ERPNext - web based ERP (http://erpnext.com)
+# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+from __future__ import unicode_literals
+import webnotes
+import webnotes.model
+from webnotes import _, msgprint, DictObj
+from webnotes.utils import cint, formatdate, cstr, flt
+from webnotes.model.code import get_obj
+from webnotes.model.doc import make_autoname, Document
+import json
+
+import stock.utils
+
+from webnotes.model.controller import DocListController
+
+class TransactionController(DocListController):
+ def __init__(self, doc, doclist):
+ super(TransactionController, self).__init__(doc, doclist)
+ self.cur_docstatus = cint(webnotes.conn.get_value(self.doc.doctype,
+ self.doc.name, "docstatus"))
+
+ @property
+ def precision(self):
+ if not hasattr(self, "_precision"):
+ self._precision = DictObj()
+ self._precision.main = self.meta.get_precision_map()
+ self._precision.item = self.meta.get_precision_map(parentfield = \
+ self.item_table_field)
+ if self.meta.get_field(self.fmap.taxes_and_charges):
+ self._precision.tax = self.meta.get_precision_map(parentfield = \
+ self.fmap.taxes_and_charges)
+ return self._precision
+
+ @property
+ def item_doclist(self):
+ if not hasattr(self, "_item_doclist"):
+ self._item_doclist = self.doclist.get({"parentfield": self.item_table_field})
+ return self._item_doclist
+
+ @property
+ def tax_doclist(self):
+ if not hasattr(self, "_tax_doclist"):
+ self._tax_doclist = self.doclist.get(
+ {"parentfield": self.fmap.taxes_and_charges})
+ return self._tax_doclist
+
+ @property
+ def stock_items(self):
+ if not hasattr(self, "_stock_items"):
+ item_codes = list(set(item.item_code for item in self.item_doclist))
+ self._stock_items = [r[0] for r in webnotes.conn.sql("""select name
+ from `tabItem` where name in (%s) and is_stock_item='Yes'""" % \
+ (", ".join((["%s"]*len(item_codes))),), item_codes)]
+
+ return self._stock_items
+
+ @property
+ def fmap(self):
+ if not hasattr(self, "_fmap"):
+ if self.doc.doctype in ["Lead", "Quotation", "Sales Order", "Sales Invoice",
+ "Delivery Note"]:
+ self._fmap = webnotes.DictObj( {
+ "exchange_rate": "conversion_rate",
+ "taxes_and_charges": "other_charges",
+ "taxes_and_charges_master": "charge",
+ "taxes_and_charges_total": "other_charges_total",
+ "net_total_print": "net_total_print",
+ "grand_total_print": "grand_total_export",
+ "grand_total_in_words": "grand_total_in_words",
+ "grand_total_in_words_print": "grand_total_in_words_print",
+ "rounded_total_print": "rounded_total_export",
+ "rounded_total_in_words": "in_words",
+ "rounded_total_in_words_print": "in_words_export",
+ "print_ref_rate": "ref_rate",
+ "discount": "adj_rate",
+ "print_rate": "export_rate",
+ "print_amount": "export_amount",
+ "ref_rate": "base_ref_rate",
+ "rate": "basic_rate",
+
+ "plc_exchange_rate": "plc_conversion_rate",
+ "tax_calculation": "other_charges_calculation",
+ })
+ else:
+ self._fmap = webnotes.DictObj({
+ "exchange_rate": "conversion_rate",
+ "taxes_and_charges": "purchase_tax_details",
+ "taxes_and_charges_master": "purchase_other_charges",
+ "taxes_and_charges_total": "total_tax",
+ "net_total_print": "net_total_import",
+ "grand_total_print": "grand_total_import",
+ "grand_total_in_words": "in_words",
+ "grand_total_in_words_print": "in_words_import",
+ "rounded_total_print": "rounded_total_print",
+ "rounded_total_in_words": "rounded_total_in_words",
+ "rounded_total_in_words_print": "rounded_total_in_words_print",
+ "print_ref_rate": "import_ref_rate",
+ "discount": "discount_rate",
+ "print_rate": "import_rate",
+ "print_amount": "import_amount",
+ "ref_rate": "purchase_ref_rate",
+ "rate": "purchase_rate",
+
+ "valuation_tax_amount": "item_tax_amount"
+ })
+
+ return self._fmap or webnotes.DictObj()
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