Files
odoo-usability/mrp_average_cost/models/mrp.py
2020-09-11 15:34:29 +02:00

261 lines
10 KiB
Python

# Copyright (C) 2016-2019 Akretion (http://www.akretion.com)
# @author Alexis de Lattre <alexis.delattre@akretion.com>
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
from odoo import models, fields, api, _
import odoo.addons.decimal_precision as dp
from odoo.exceptions import UserError
from odoo.tools import float_compare, float_is_zero
import logging
logger = logging.getLogger(__name__)
class MrpBomLabourLine(models.Model):
_name = 'mrp.bom.labour.line'
_description = 'Labour lines on BOM'
bom_id = fields.Many2one(
comodel_name='mrp.bom',
string='Labour Lines',
ondelete='cascade')
labour_time = fields.Float(
string='Labour Time',
required=True,
digits=dp.get_precision('Labour Hours'),
help="Average labour time for the production of "
"items of the BOM, in hours.")
labour_cost_profile_id = fields.Many2one(
comodel_name='labour.cost.profile',
string='Labour Cost Profile',
required=True)
note = fields.Text(
string='Note')
_sql_constraints = [(
'labour_time_positive',
'CHECK (labour_time >= 0)',
"The value of the field 'Labour Time' must be positive or 0.")]
class MrpBom(models.Model):
_inherit = 'mrp.bom'
@api.depends(
'labour_line_ids.labour_time',
'labour_line_ids.labour_cost_profile_id.hour_cost')
def _compute_total_labour_cost(self):
for bom in self:
cost = 0.0
for lline in bom.labour_line_ids:
cost += lline.labour_time *\
lline.labour_cost_profile_id.hour_cost
bom.total_labour_cost = cost
@api.depends(
'bom_line_ids.product_id.standard_price',
'total_labour_cost', 'extra_cost')
def _compute_total_cost(self):
for bom in self:
comp_cost = 0.0
for line in bom.bom_line_ids:
comp_price = line.product_id.standard_price
comp_qty_product_uom = line.product_uom_id._compute_quantity(
line.product_qty, line.product_id.uom_id)
comp_cost += comp_price * comp_qty_product_uom
total_cost = comp_cost + bom.extra_cost + bom.total_labour_cost
bom.total_components_cost = comp_cost
bom.total_cost = total_cost
labour_line_ids = fields.One2many(
'mrp.bom.labour.line', 'bom_id', string='Labour Lines')
total_labour_cost = fields.Float(
compute='_compute_total_labour_cost', readonly=True,
digits=dp.get_precision('Product Price'),
string="Total Labour Cost", store=True)
extra_cost = fields.Float(
string='Extra Cost', track_visibility='onchange',
digits=dp.get_precision('Product Price'),
help="Extra cost for the production of the quantity of "
"items of the BOM, in company currency. "
"You can use this field to enter the cost of the consumables "
"that are used to produce the product but are not listed in "
"the BOM")
total_components_cost = fields.Float(
compute='_compute_total_cost', readonly=True,
digits=dp.get_precision('Product Price'),
string='Total Components Cost')
total_cost = fields.Float(
compute='_compute_total_cost', readonly=True,
string='Total Cost',
digits=dp.get_precision('Product Price'),
help="Total Cost = Total Components Cost + "
"Total Labour Cost + Extra Cost")
company_currency_id = fields.Many2one(
related='company_id.currency_id', string='Company Currency')
@api.model
def _phantom_update_product_standard_price(self):
logger.info('Start to auto-update cost price from phantom bom')
boms = self.search([('type', '=', 'phantom')])
boms.with_context(
product_price_history_origin='Automatic update of Phantom BOMs')\
.manual_update_product_standard_price()
logger.info('End of the auto-update cost price from phantom bom')
return True
def manual_update_product_standard_price(self):
if 'product_price_history_origin' not in self._context:
self = self.with_context(
product_price_history_origin='Manual update from BOM')
precision = self.env['decimal.precision'].precision_get(
'Product Price')
for bom in self:
wproduct = bom.product_id
if not wproduct:
wproduct = bom.product_tmpl_id
if float_compare(
wproduct.standard_price, bom.total_cost,
precision_digits=precision):
wproduct.with_context().write(
{'standard_price': bom.total_cost})
logger.info(
'Cost price updated to %s on product %s',
bom.total_cost, wproduct.display_name)
return True
class MrpBomLine(models.Model):
_inherit = 'mrp.bom.line'
standard_price = fields.Float(
related='product_id.standard_price',
readonly=True,
string='Standard Price')
class LabourCostProfile(models.Model):
_name = 'labour.cost.profile'
_inherit = ['mail.thread']
_description = 'Labour Cost Profile'
name = fields.Char(
string='Name',
required=True,
track_visibility='onchange')
hour_cost = fields.Float(
string='Cost per Hour',
required=True,
digits=dp.get_precision('Product Price'),
track_visibility='onchange',
help="Labour cost per hour per person in company currency")
company_id = fields.Many2one(
comodel_name='res.company',
string='Company',
required=True,
default=lambda self: self.env['res.company']._company_default_get())
company_currency_id = fields.Many2one(
related='company_id.currency_id',
readonly=True,
store=True,
string='Company Currency')
@api.depends('name', 'hour_cost', 'company_currency_id.symbol')
def name_get(self):
res = []
for record in self:
res.append((record.id, u'%s (%s %s)' % (
record.name, record.hour_cost,
record.company_currency_id.symbol)))
return res
class MrpProduction(models.Model):
_inherit = 'mrp.production'
unit_cost = fields.Float(
string='Unit Cost', readonly=True,
digits=dp.get_precision('Product Price'),
help="This cost per unit in the unit of measure of the product "
"in company currency takes into account "
"the cost of the raw materials and the labour cost defined on"
"the BOM.")
company_currency_id = fields.Many2one(
related='company_id.currency_id', readonly=True,
string='Company Currency')
def compute_order_unit_cost(self):
self.ensure_one()
mo_total_price = 0.0 # In the UoM of the M0
labor_cost_per_unit = 0.0 # In the UoM of the product
extra_cost_per_unit = 0.0 # In the UoM of the product
# I read the raw materials MO, not on BOM, in order to make
# it work with the "dynamic" BOMs (few raw material are auto-added
# on the fly on MO)
prec = self.env['decimal.precision'].precision_get(
'Product Unit of Measure')
for raw_smove in self.move_raw_ids:
# I don't filter on state, in order to make it work with
# partial productions
# For partial productions, mo.product_qty is not updated
# so we compute with fully qty and we compute with all raw
# materials (consumed or not), so it gives a good price
# per unit at the end
raw_price = raw_smove.product_id.standard_price
raw_material_cost = raw_price * raw_smove.product_qty
logger.info(
'MO %s product %s: raw_material_cost=%s',
self.name, raw_smove.product_id.display_name,
raw_material_cost)
mo_total_price += raw_material_cost
if self.bom_id:
bom = self.bom_id
# if not bom.total_labour_cost:
# raise orm.except_orm(
# _('Error:'),
# _("Total Labor Cost is 0 on bill of material '%s'.")
# % bom.name)
if float_is_zero(bom.product_qty, precision_digits=prec):
raise UserError(_(
"Missing Product Quantity on bill of material '%s'.")
% bom.display_name)
bom_qty_product_uom = bom.product_uom_id._compute_quantity(
bom.product_qty, bom.product_tmpl_id.uom_id)
assert bom_qty_product_uom > 0, 'BoM qty should be positive'
labor_cost_per_unit = bom.total_labour_cost / bom_qty_product_uom
extra_cost_per_unit = bom.extra_cost / bom_qty_product_uom
# mo_standard_price and labor_cost_per_unit are
# in the UoM of the product (not of the MO/BOM)
mo_qty_product_uom = self.product_uom_id._compute_quantity(
self.product_qty, self.product_id.uom_id)
assert mo_qty_product_uom > 0, 'MO qty should be positive'
mo_standard_price = mo_total_price / mo_qty_product_uom
logger.info(
'MO %s: labor_cost_per_unit=%s extra_cost_per_unit=%s',
self.name, labor_cost_per_unit, extra_cost_per_unit)
mo_standard_price += labor_cost_per_unit
mo_standard_price += extra_cost_per_unit
return mo_standard_price
def post_inventory(self):
'''This is the method where _action_done() is called on finished move
So we write on 'price_unit' of the finished move and THEN we call
super() which will call _action_done() which itself calls
product_price_update_before_done()'''
for order in self:
if order.product_id.cost_method == 'average':
unit_cost = order.compute_order_unit_cost()
order.write({'unit_cost': unit_cost})
logger.info('MO %s: unit_cost=%s', order.name, unit_cost)
order.move_finished_ids.filtered(
lambda x: x.product_id == order.product_id).write({
'price_unit': unit_cost})
return super(MrpProduction, self).post_inventory()