flectra/addons/account_asset/wizard/sale_asset_wizard.py

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# Part of Flectra. See LICENSE file for full copyright and licensing
# details.
from flectra import fields, models, _, api
from datetime import datetime
from flectra.tools import DEFAULT_SERVER_DATE_FORMAT as DF
class SaleAssetWizard(models.TransientModel):
_name = "sale.asset.wizard"
asset_id = fields.Many2one("account.asset.asset", string="Asset")
asset_category_id = fields.Many2one("account.asset.category",
string="Asset Category", required=True)
depreciated_amount = fields.Float(string="Depreciated Amount")
product_id = fields.Many2one("product.product", string="Product",
required=True)
partner_id = fields.Many2one("res.partner", string="Customer",
required=True)
sale_value = fields.Float(string="Sale Value")
sale_date = fields.Date(
string="Date", default=lambda self: datetime.today(),
required=True)
@api.onchange('sale_date')
def onchange_sale_date(self):
if self.sale_date:
amount = 0.0
last_date = False
for line in self.asset_id.depreciation_line_ids:
if self.sale_date >= line.depreciation_date:
amount += line.amount
last_date = line.depreciation_date
else:
if not last_date:
last_date = line.depreciation_date
delta, total_days = \
self.get_days(last_date, self.sale_date)
amount += (line.amount * delta.days) / total_days
break
self.depreciated_amount = amount
self.sale_value = self.asset_id.value_residual - amount
@api.constrains('sale_date')
def _check_sale_date(self):
if self.sale_date:
posted_line_ids = \
self.env['account.asset.depreciation.line'].search([
('asset_id', '=', self.asset_id.id),
('move_check', '=', True)])
if posted_line_ids:
last_depreciation_date = \
datetime.strptime(
posted_line_ids[-1].depreciation_date, DF).date()
if self.sale_date < str(last_depreciation_date):
raise ValueError(_("Sale date must be greater than last "
"Depreciated date!"))
@api.multi
def get_days(self, last_date, sale_date):
last_depreciation_date = datetime.strptime(last_date, DF).date()
sale_date = datetime.strptime(sale_date, DF).date()
delta = sale_date - last_depreciation_date
year = last_depreciation_date.year
total_days = (year % 4) and 365 or 366
return delta, total_days
@api.multi
def last_line_info(self):
last_date = False
last_line = False
sale_date = self.sale_date
for line in self.asset_id.depreciation_line_ids:
if sale_date >= line.depreciation_date:
line.create_move(post_move=True)
last_date = line.depreciation_date
last_line = line
else:
last_line = line
if not last_date:
last_date = line.depreciation_date
break
delta, total_days = self.get_days(last_date, sale_date)
amount = (last_line.amount * delta.days) / total_days
return last_line, amount
def sale_asset(self):
if self.asset_id:
self.asset_id.write({
'state': 'close',
'sale_date': self.sale_date,
})
last_line, amount = self.last_line_info()
if last_line:
depreciated_value = \
(last_line.depreciated_value - last_line.amount) + amount
last_line.update({
'depreciation_date': self.sale_date,
'amount': amount,
'depreciated_value': depreciated_value,
'remaining_value':
last_line.begin_value - depreciated_value,
})
last_line.create_move(post_move=True)
for line in self.asset_id.depreciation_line_ids:
if not line.move_check:
line.unlink()
self.create_sale_invoice()
def create_sale_invoice(self):
invoice_obj = self.env['account.invoice']
invoice_line_obj = self.env['account.invoice.line']
journal_id = self.env['account.journal'].search(
[('code', '=', 'INV')])
account_id = self.env['account.account'].search(
[('internal_type', '=', 'receivable')])
tax_ids = self.product_id.supplier_taxes_id.ids
invoice_id = invoice_obj.create({
'partner_id': self.partner_id.id,
'journal_id':
journal_id and
journal_id[0].id or
self.asset_id.category_id.journal_id.id,
'account_id':
account_id and
account_id[0].id or
self.asset_id.category_id.account_asset_id.id,
'company_id': self.partner_id.company_id.id,
'type': 'out_invoice',
'date_invoice': self.sale_date,
'payment_term_id':
self.partner_id.property_supplier_payment_term_id.id,
'currency_id': self.partner_id.company_id.currency_id.id,
'asset_id': self.asset_id.id,
'asset_bool': True
})
invoice_line_obj.create({
'product_id': self.product_id.id,
'name': self.product_id.name,
'asset_id': self.asset_id.id,
'asset_category_id': self.asset_id.category_id.id,
'account_id': self.asset_id.category_id.account_asset_id.id,
'quantity': 1.0,
'price_unit': self.sale_value,
'partner_id': self.partner_id.id,
'company_id': self.partner_id.company_id.id,
'invoice_line_tax_ids': tax_ids and [[6, 0, tax_ids]] or False,
'asset_bool': True,
'invoice_id': invoice_id.id
})
return {
'name': (_('Invoices')),
'type': 'ir.actions.act_window',
'view_type': 'form',
'view_mode': 'tree,form',
'res_model': 'account.invoice',
'domain': [('asset_id', '=', self.asset_id.id)]
}