brotherton-erpnext/controllers/buying_controller.py

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# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
# License: GNU General Public License v3. See license.txt
from __future__ import unicode_literals
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import webnotes
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from webnotes import _, msgprint
from webnotes.utils import flt, _round
from buying.utils import get_item_details
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from setup.utils import get_company_currency
from controllers.stock_controller import StockController
class BuyingController(StockController):
def onload_post_render(self):
# contact, address, item details
self.set_missing_values()
def validate(self):
super(BuyingController, self).validate()
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if self.doc.supplier and not self.doc.supplier_name:
self.doc.supplier_name = webnotes.conn.get_value("Supplier",
self.doc.supplier, "supplier_name")
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self.is_item_table_empty()
self.validate_stock_or_nonstock_items()
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self.validate_warehouse()
def set_missing_values(self, for_validate=False):
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super(BuyingController, self).set_missing_values(for_validate)
self.set_supplier_from_item_default()
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self.set_price_list_currency("Buying")
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# set contact and address details for supplier, if they are not mentioned
if self.doc.supplier and not (self.doc.contact_person and self.doc.supplier_address):
for fieldname, val in self.get_supplier_defaults().items():
if not self.doc.fields.get(fieldname) and self.meta.get_field(fieldname):
self.doc.fields[fieldname] = val
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self.set_missing_item_details(get_item_details)
if self.doc.fields.get("__islocal"):
self.set_taxes("purchase_tax_details", "purchase_other_charges")
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def set_supplier_from_item_default(self):
if self.meta.get_field("supplier") and not self.doc.supplier:
for d in self.doclist.get({"doctype": self.tname}):
supplier = webnotes.conn.get_value("Item", d.item_code, "default_supplier")
if supplier:
self.doc.supplier = supplier
break
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def validate_warehouse(self):
from stock.utils import validate_warehouse_user, validate_warehouse_company
warehouses = list(set([d.warehouse for d in
self.doclist.get({"doctype": self.tname}) if d.warehouse]))
for w in warehouses:
validate_warehouse_user(w)
validate_warehouse_company(w, self.doc.company)
def get_purchase_tax_details(self):
self.doclist = self.doc.clear_table(self.doclist, "purchase_tax_details")
self.set_taxes("purchase_tax_details", "purchase_other_charges")
def validate_stock_or_nonstock_items(self):
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if not self.get_stock_items():
tax_for_valuation = [d.account_head for d in
self.doclist.get({"parentfield": "purchase_tax_details"})
if d.category in ["Valuation", "Valuation and Total"]]
if tax_for_valuation:
webnotes.msgprint(_("""Tax Category can not be 'Valuation' or 'Valuation and Total'
as all items are non-stock items"""), raise_exception=1)
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def set_total_in_words(self):
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from webnotes.utils import money_in_words
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company_currency = get_company_currency(self.doc.company)
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if self.meta.get_field("in_words"):
self.doc.in_words = money_in_words(self.doc.grand_total, company_currency)
if self.meta.get_field("in_words_import"):
self.doc.in_words_import = money_in_words(self.doc.grand_total_import,
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self.doc.currency)
def calculate_taxes_and_totals(self):
self.other_fname = "purchase_tax_details"
super(BuyingController, self).calculate_taxes_and_totals()
self.calculate_total_advance("Purchase Invoice", "advance_allocation_details")
def calculate_item_values(self):
# hack! - cleaned up in _cleanup()
if self.doc.doctype != "Purchase Invoice":
df = self.meta.get_field("purchase_rate", parentfield=self.fname)
df.fieldname = "rate"
for item in self.item_doclist:
# hack! - cleaned up in _cleanup()
if self.doc.doctype != "Purchase Invoice":
item.rate = item.purchase_rate
self.round_floats_in(item)
if item.discount_rate == 100.0:
item.import_rate = 0.0
elif not item.import_rate:
item.import_rate = flt(item.import_ref_rate * (1.0 - (item.discount_rate / 100.0)),
self.precision("import_rate", item))
item.import_amount = flt(item.import_rate * item.qty,
self.precision("import_amount", item))
item.item_tax_amount = 0.0;
self._set_in_company_currency(item, "import_amount", "amount")
self._set_in_company_currency(item, "import_ref_rate", "purchase_ref_rate")
self._set_in_company_currency(item, "import_rate", "rate")
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def calculate_net_total(self):
self.doc.net_total = self.doc.net_total_import = 0.0
for item in self.item_doclist:
self.doc.net_total += item.amount
self.doc.net_total_import += item.import_amount
self.round_floats_in(self.doc, ["net_total", "net_total_import"])
def calculate_totals(self):
self.doc.grand_total = flt(self.tax_doclist and \
self.tax_doclist[-1].total or self.doc.net_total, self.precision("grand_total"))
self.doc.grand_total_import = flt(self.doc.grand_total / self.doc.conversion_rate,
self.precision("grand_total_import"))
self.doc.total_tax = flt(self.doc.grand_total - self.doc.net_total,
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self.precision("total_tax"))
if self.meta.get_field("rounded_total"):
self.doc.rounded_total = _round(self.doc.grand_total)
if self.meta.get_field("rounded_total_import"):
self.doc.rounded_total_import = _round(self.doc.grand_total_import)
def calculate_outstanding_amount(self):
if self.doc.doctype == "Purchase Invoice" and self.doc.docstatus < 2:
self.doc.total_advance = flt(self.doc.total_advance,
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self.precision("total_advance"))
self.doc.total_amount_to_pay = flt(self.doc.grand_total - flt(self.doc.write_off_amount,
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self.precision("write_off_amount")), self.precision("total_amount_to_pay"))
self.doc.outstanding_amount = flt(self.doc.total_amount_to_pay - self.doc.total_advance,
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self.precision("outstanding_amount"))
def _cleanup(self):
super(BuyingController, self)._cleanup()
# except in purchase invoice, rate field is purchase_rate
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# reset fieldname of rate
if self.doc.doctype != "Purchase Invoice":
df = self.meta.get_field("rate", parentfield=self.fname)
df.fieldname = "purchase_rate"
for item in self.item_doclist:
item.purchase_rate = item.rate
del item.fields["rate"]
if not self.meta.get_field("item_tax_amount", parentfield=self.fname):
for item in self.item_doclist:
del item.fields["item_tax_amount"]
# update valuation rate
def update_valuation_rate(self, parentfield):
"""
item_tax_amount is the total tax amount applied on that item
stored for valuation
TODO: rename item_tax_amount to valuation_tax_amount
"""
stock_items = self.get_stock_items()
stock_items_amount = sum([flt(d.amount) for d in
self.doclist.get({"parentfield": parentfield})
if d.item_code and d.item_code in stock_items])
total_valuation_amount = sum([flt(d.tax_amount) for d in
self.doclist.get({"parentfield": "purchase_tax_details"})
if d.category in ["Valuation", "Valuation and Total"]])
for item in self.doclist.get({"parentfield": parentfield}):
if item.item_code and item.qty and item.item_code in stock_items:
item.item_tax_amount = flt(flt(item.amount) * total_valuation_amount \
/ stock_items_amount, self.precision("item_tax_amount", item))
self.round_floats_in(item)
item.conversion_factor = item.conversion_factor or flt(webnotes.conn.get_value(
"UOM Conversion Detail", {"parent": item.item_code, "uom": item.uom},
"conversion_factor")) or 1
qty_in_stock_uom = flt(item.qty * item.conversion_factor)
item.valuation_rate = ((item.amount + item.item_tax_amount + item.rm_supp_cost)
/ qty_in_stock_uom)
else:
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item.valuation_rate = 0.0
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def validate_for_subcontracting(self):
if not self.doc.is_subcontracted and self.sub_contracted_items:
webnotes.msgprint(_("""Please enter whether %s is made for subcontracting or purchasing,
in 'Is Subcontracted' field""" % self.doc.doctype), raise_exception=1)
if self.doc.doctype == "Purchase Receipt" and self.doc.is_subcontracted=="Yes" \
and not self.doc.supplier_warehouse:
webnotes.msgprint(_("Supplier Warehouse mandatory subcontracted purchase receipt"),
raise_exception=1)
def update_raw_materials_supplied(self, raw_material_table):
self.doclist = self.doc.clear_table(self.doclist, raw_material_table)
if self.doc.is_subcontracted=="Yes":
for item in self.doclist.get({"parentfield": self.fname}):
if item.item_code in self.sub_contracted_items:
self.add_bom_items(item, raw_material_table)
def add_bom_items(self, d, raw_material_table):
bom_items = self.get_items_from_default_bom(d.item_code)
raw_materials_cost = 0
for item in bom_items:
required_qty = flt(item.qty_consumed_per_unit) * flt(d.qty) * flt(d.conversion_factor)
rm_doclist = {
"parentfield": raw_material_table,
"doctype": self.doc.doctype + " Item Supplied",
"reference_name": d.name,
"bom_detail_no": item.name,
"main_item_code": d.item_code,
"rm_item_code": item.item_code,
"stock_uom": item.stock_uom,
"required_qty": required_qty,
"conversion_factor": d.conversion_factor,
"rate": item.rate,
"amount": required_qty * flt(item.rate)
}
if self.doc.doctype == "Purchase Receipt":
rm_doclist.update({
"consumed_qty": required_qty,
"description": item.description,
})
self.doclist.append(rm_doclist)
raw_materials_cost += required_qty * flt(item.rate)
if self.doc.doctype == "Purchase Receipt":
d.rm_supp_cost = raw_materials_cost
def get_items_from_default_bom(self, item_code):
# print webnotes.conn.sql("""select name from `tabBOM` where item = '_Test FG Item'""")
bom_items = webnotes.conn.sql("""select t2.item_code, t2.qty_consumed_per_unit,
t2.rate, t2.stock_uom, t2.name, t2.description
from `tabBOM` t1, `tabBOM Item` t2
where t2.parent = t1.name and t1.item = %s and t1.is_default = 1
and t1.docstatus = 1 and t1.is_active = 1""", item_code, as_dict=1)
if not bom_items:
msgprint(_("No default BOM exists for item: ") + item_code, raise_exception=1)
return bom_items
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@property
def sub_contracted_items(self):
if not hasattr(self, "_sub_contracted_items"):
self._sub_contracted_items = []
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item_codes = list(set(item.item_code for item in
self.doclist.get({"parentfield": self.fname})))
if item_codes:
self._sub_contracted_items = [r[0] for r in webnotes.conn.sql("""select name
from `tabItem` where name in (%s) and is_sub_contracted_item='Yes'""" % \
(", ".join((["%s"]*len(item_codes))),), item_codes)]
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return self._sub_contracted_items
@property
def purchase_items(self):
if not hasattr(self, "_purchase_items"):
self._purchase_items = []
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item_codes = list(set(item.item_code for item in
self.doclist.get({"parentfield": self.fname})))
if item_codes:
self._purchase_items = [r[0] for r in webnotes.conn.sql("""select name
from `tabItem` where name in (%s) and is_purchase_item='Yes'""" % \
(", ".join((["%s"]*len(item_codes))),), item_codes)]
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return self._purchase_items
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def is_item_table_empty(self):
if not len(self.doclist.get({"parentfield": self.fname})):
webnotes.throw(_("Item table can not be blank"))