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# Part of Odoo. See LICENSE file for full copyright and licensing details.
from odoo import api, fields, models, _
from odoo.exceptions import UserError, ValidationError
from collections import defaultdict
class PurchaseRequisition(models.Model):
_name = "purchase.requisition"
_description = "Purchase Requisition"
_inherit = ['mail.thread', 'mail.activity.mixin']
_order = "id desc"
name = fields.Char(
string='Agreement', copy=False, readonly=True, required=True,
default=lambda self: _('New'))
active = fields.Boolean('Active', default=True)
reference = fields.Char(string='Reference')
order_count = fields.Integer(compute='_compute_orders_number', string='Number of Orders')
vendor_id = fields.Many2one('res.partner', string='Vendor', check_company=True)
requisition_type = fields.Selection([
('blanket_order', 'Blanket Order'), ('purchase_template', 'Purchase Template')],
string='Agreement Type', required=True, default='blanket_order')
date_start = fields.Date(string='Start Date', tracking=True)
date_end = fields.Date(string='End Date', tracking=True)
user_id = fields.Many2one(
'res.users', string='Purchase Representative',
default=lambda self: self.env.user, check_company=True)
description = fields.Html()
company_id = fields.Many2one('res.company', string='Company', required=True, default=lambda self: self.env.company)
purchase_ids = fields.One2many('purchase.order', 'requisition_id', string='Purchase Orders')
line_ids = fields.One2many('purchase.requisition.line', 'requisition_id', string='Products to Purchase', copy=True)
product_id = fields.Many2one('product.product', related='line_ids.product_id', string='Product')
state = fields.Selection(
selection=[
('draft', 'Draft'),
('confirmed', 'Confirmed'),
('done', 'Closed'),
('cancel', 'Cancelled')
],
string='Status', tracking=True, required=True,
copy=False, default='draft')
currency_id = fields.Many2one(
'res.currency', 'Currency', required=True, precompute=True,
compute='_compute_currency_id', store=True, readonly=False)
@api.onchange('vendor_id')
def _onchange_vendor(self):
requisitions = self.env['purchase.requisition'].search([
('vendor_id', '=', self.vendor_id.id),
('state', '=', 'confirmed'),
('requisition_type', '=', 'blanket_order'),
('company_id', '=', self.company_id.id),
])
if any(requisitions):
title = _("Warning for %s", self.vendor_id.name)
message = _("There is already an open blanket order for this supplier. We suggest you complete this open blanket order, instead of creating a new one.")
warning = {
'title': title,
'message': message
}
return {'warning': warning}
@api.depends('vendor_id')
def _compute_currency_id(self):
for requisition in self:
if not requisition.vendor_id or not requisition.vendor_id.property_purchase_currency_id:
requisition.currency_id = requisition.company_id.currency_id.id
else:
requisition.currency_id = requisition.vendor_id.property_purchase_currency_id.id
@api.depends('purchase_ids')
def _compute_orders_number(self):
for requisition in self:
requisition.order_count = len(requisition.purchase_ids)
@api.constrains('date_start', 'date_end')
def _check_dates(self):
invalid_requsitions = self.filtered(lambda r: r.date_end and r.date_start and r.date_end < r.date_start)
if invalid_requsitions:
raise ValidationError(_(
"End date cannot be earlier than start date. Please check dates for agreements: %s", ', '.join(invalid_requsitions.mapped('name'))
))
@api.model_create_multi
def create(self, vals_list):
defaults = self.default_get(['requisition_type', 'company_id'])
for vals in vals_list:
requisition_type = vals.get('requisition_type', defaults['requisition_type'])
company_id = vals.get('company_id', defaults['company_id'])
if requisition_type == 'blanket_order':
vals['name'] = self.env['ir.sequence'].with_company(company_id).next_by_code('purchase.requisition.blanket.order')
else:
vals['name'] = self.env['ir.sequence'].with_company(company_id).next_by_code('purchase.requisition.purchase.template')
return super().create(vals_list)
def write(self, vals):
requisitions_to_rename = self.env['purchase.requisition']
if 'requisition_type' in vals or 'company_id' in vals:
requisitions_to_rename = self.filtered(lambda r:
r.requisition_type != vals.get('requisition_type', r.requisition_type) or
r.company_id.id != vals.get('company_id', r.company_id.id))
res = super().write(vals)
for requisition in requisitions_to_rename:
if requisition.state != 'draft':
raise UserError(_("You cannot change the Agreement Type or Company of a not draft purchase agreement."))
if requisition.requisition_type == 'purchase_template':
requisition.date_start = requisition.date_end = False
code = requisition.requisition_type == 'blanket_order' and 'purchase.requisition.blanket.order' or 'purchase.requisition.purchase.template'
requisition.name = self.env['ir.sequence'].with_company(requisition.company_id).next_by_code(code)
return res
def unlink(self):
# Draft requisitions could have some requisition lines.
self.line_ids.unlink()
return super().unlink()
def action_cancel(self):
# try to set all associated quotations to cancel state
for requisition in self:
for requisition_line in requisition.line_ids:
requisition_line.supplier_info_ids.sudo().unlink()
requisition.purchase_ids.button_cancel()
for po in requisition.purchase_ids:
po.message_post(body=_('Cancelled by the agreement associated to this quotation.'))
self.state = 'cancel'
def action_confirm(self):
self.ensure_one()
if not self.line_ids:
raise UserError(_("You cannot confirm agreement '%(agreement)s' because it does not contain any product lines.", agreement=self.name))
if self.requisition_type == 'blanket_order':
for requisition_line in self.line_ids:
if requisition_line.price_unit <= 0.0:
raise UserError(_('You cannot confirm a blanket order with lines missing a price.'))
if requisition_line.product_qty <= 0.0:
raise UserError(_('You cannot confirm a blanket order with lines missing a quantity.'))
requisition_line._create_supplier_info()
self.state = 'confirmed'
def action_draft(self):
self.ensure_one()
self.state = 'draft'
def action_done(self):
"""
Generate all purchase order based on selected lines, should only be called on one agreement at a time
"""
if any(purchase_order.state in ['draft', 'sent', 'to approve'] for purchase_order in self.mapped('purchase_ids')):
raise UserError(_("To close this purchase requisition, cancel related Requests for Quotation.\n\n"
"Imagine the mess if someone confirms these duplicates: double the order, double the trouble :)"))
for requisition in self:
for requisition_line in requisition.line_ids:
requisition_line.supplier_info_ids.sudo().unlink()
self.write({'state': 'done'})
@api.ondelete(at_uninstall=False)
def _unlink_if_draft_or_cancel(self):
if any(requisition.state not in ('draft', 'cancel') for requisition in self):
raise UserError(_('You can only delete draft or cancelled requisitions.'))
class PurchaseRequisitionLine(models.Model):
_name = "purchase.requisition.line"
_inherit = 'analytic.mixin'
_description = "Purchase Requisition Line"
_rec_name = 'product_id'
product_id = fields.Many2one('product.product', string='Product', domain=[('purchase_ok', '=', True)], required=True)
product_uom_id = fields.Many2one(
'uom.uom', 'Product Unit of Measure',
compute='_compute_product_uom_id', store=True, readonly=False, precompute=True,
domain="[('category_id', '=', product_uom_category_id)]")
product_uom_category_id = fields.Many2one(related='product_id.uom_id.category_id')
product_qty = fields.Float(string='Quantity', digits='Product Unit of Measure')
product_description_variants = fields.Char('Description')
price_unit = fields.Float(
string='Unit Price', digits='Product Price', default=0.0,
compute="_compute_price_unit", readonly=False, store=True)
qty_ordered = fields.Float(compute='_compute_ordered_qty', string='Ordered')
requisition_id = fields.Many2one('purchase.requisition', required=True, string='Purchase Agreement', ondelete='cascade')
company_id = fields.Many2one('res.company', related='requisition_id.company_id', string='Company', store=True, readonly=True)
supplier_info_ids = fields.One2many('product.supplierinfo', 'purchase_requisition_line_id')
@api.depends('requisition_id.purchase_ids.state')
def _compute_ordered_qty(self):
line_found = defaultdict(set)
for line in self:
total = 0.0
for po in line.requisition_id.purchase_ids.filtered(lambda purchase_order: purchase_order.state in ['purchase', 'done']):
for po_line in po.order_line.filtered(lambda order_line: order_line.product_id == line.product_id):
if po_line.product_uom != line.product_uom_id:
total += po_line.product_uom._compute_quantity(po_line.product_qty, line.product_uom_id)
else:
total += po_line.product_qty
if line.product_id not in line_found[line.requisition_id]:
line.qty_ordered = total
line_found[line.requisition_id].add(line.product_id)
else:
line.qty_ordered = 0
@api.depends('product_id')
def _compute_product_uom_id(self):
for line in self:
line.product_uom_id = line.product_id.uom_id
@api.depends('product_id', 'company_id', 'requisition_id.date_start', 'product_qty', 'product_uom_id', 'requisition_id.vendor_id', 'requisition_id.requisition_type')
def _compute_price_unit(self):
for line in self:
if line.requisition_id.state != 'draft' or line.requisition_id.requisition_type != 'purchase_template' or not line.requisition_id.vendor_id or not line.product_id:
continue
seller = line.product_id._select_seller(
partner_id=line.requisition_id.vendor_id, quantity=line.product_qty,
date=line.requisition_id.date_start, uom_id=line.product_uom_id)
line.price_unit = seller.price if seller else line.product_id.standard_price
@api.model_create_multi
def create(self, vals_list):
lines = super().create(vals_list)
for line, vals in zip(lines, vals_list):
if line.requisition_id.requisition_type == 'blanket_order' and line.requisition_id.state not in ['draft', 'cancel', 'done']:
if vals['price_unit'] <= 0.0:
raise UserError(_("You cannot have a negative or unit price of 0 for an already confirmed blanket order."))
supplier_infos = self.env['product.supplierinfo'].search([
('product_id', '=', vals.get('product_id')),
('partner_id', '=', line.requisition_id.vendor_id.id),
])
if not any(s.purchase_requisition_id for s in supplier_infos):
line._create_supplier_info()
return lines
def write(self, vals):
res = super().write(vals)
if 'price_unit' not in vals:
return res
if vals['price_unit'] <= 0.0 and any(
requisition.requisition_type == 'blanket_order' and
requisition.state not in ['draft', 'cancel', 'done'] for requisition in self.mapped('requisition_id')):
raise UserError(_("You cannot have a negative or unit price of 0 for an already confirmed blanket order."))
# If the price is updated, we have to update the related SupplierInfo
self.supplier_info_ids.write({'price': vals['price_unit']})
return res
def unlink(self):
to_unlink = self.filtered(lambda r: r.requisition_id.state not in ['draft', 'cancel', 'done'])
to_unlink.supplier_info_ids.unlink()
return super().unlink()
def _create_supplier_info(self):
self.ensure_one()
purchase_requisition = self.requisition_id
if purchase_requisition.requisition_type == 'blanket_order' and purchase_requisition.vendor_id:
# create a supplier_info only in case of blanket order
self.env['product.supplierinfo'].sudo().create({
'partner_id': purchase_requisition.vendor_id.id,
'product_id': self.product_id.id,
'product_tmpl_id': self.product_id.product_tmpl_id.id,
'price': self.price_unit,
'currency_id': self.requisition_id.currency_id.id,
'purchase_requisition_line_id': self.id,
})
def _prepare_purchase_order_line(self, name, product_qty=0.0, price_unit=0.0, taxes_ids=False):
self.ensure_one()
if self.product_description_variants:
name += '\n' + self.product_description_variants
date_planned = fields.Datetime.now()
if self.requisition_id.date_start:
date_planned = max(date_planned, fields.Datetime.to_datetime(self.requisition_id.date_start))
return {
'name': name,
'product_id': self.product_id.id,
'product_uom': self.product_id.uom_po_id.id,
'product_qty': product_qty,
'price_unit': price_unit,
'taxes_id': [(6, 0, taxes_ids)],
'date_planned': date_planned,
'analytic_distribution': self.analytic_distribution,
}
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