flectra/addons/mrp/models/mrp_bom.py

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# -*- coding: utf-8 -*-
2018-01-16 11:34:37 +01:00
# Part of Odoo, Flectra. See LICENSE file for full copyright and licensing details.
2018-01-16 11:34:37 +01:00
from flectra import api, fields, models, _
from flectra.addons import decimal_precision as dp
from flectra.exceptions import UserError, ValidationError
from flectra.tools import float_round
class MrpBom(models.Model):
""" Defines bills of material for a product or a product template """
_name = 'mrp.bom'
_description = 'Bill of Material'
_inherit = ['mail.thread']
_rec_name = 'product_tmpl_id'
_order = "sequence"
def _get_default_product_uom_id(self):
return self.env['product.uom'].search([], limit=1, order='id').id
code = fields.Char('Reference')
active = fields.Boolean(
'Active', default=True,
help="If the active field is set to False, it will allow you to hide the bills of material without removing it.")
type = fields.Selection([
('normal', 'Manufacture this product'),
('phantom', 'Kit')], 'BoM Type',
default='normal', required=True)
product_tmpl_id = fields.Many2one(
'product.template', 'Product',
domain="[('type', 'in', ['product', 'consu'])]", required=True)
product_id = fields.Many2one(
'product.product', 'Product Variant',
domain="['&', ('product_tmpl_id', '=', product_tmpl_id), ('type', 'in', ['product', 'consu'])]",
help="If a product variant is defined the BOM is available only for this product.")
bom_line_ids = fields.One2many('mrp.bom.line', 'bom_id', 'BoM Lines', copy=True)
product_qty = fields.Float(
'Quantity', default=1.0,
digits=dp.get_precision('Unit of Measure'), required=True)
product_uom_id = fields.Many2one(
'product.uom', 'Product Unit of Measure',
default=_get_default_product_uom_id, oldname='product_uom', required=True,
help="Unit of Measure (Unit of Measure) is the unit of measurement for the inventory control")
sequence = fields.Integer('Sequence', help="Gives the sequence order when displaying a list of bills of material.")
routing_id = fields.Many2one(
'mrp.routing', 'Routing',
help="The operations for producing this BoM. When a routing is specified, the production orders will "
" be executed through work orders, otherwise everything is processed in the production order itself. ")
ready_to_produce = fields.Selection([
('all_available', 'All components available'),
('asap', 'The components of 1st operation')], string='Manufacturing Readiness',
default='asap', required=True)
picking_type_id = fields.Many2one(
'stock.picking.type', 'Operation Type', domain=[('code', '=', 'mrp_operation')],
help=u"When a procurement has a produce route with a operation type set, it will try to create "
"a Manufacturing Order for that product using a BoM of the same operation type. That allows "
"to define procurement rules which trigger different manufacturing orders with different BoMs.")
company_id = fields.Many2one(
'res.company', 'Company',
default=lambda self: self.env['res.company']._company_default_get('mrp.bom'),
required=True)
@api.constrains('product_id', 'product_tmpl_id', 'bom_line_ids')
def _check_product_recursion(self):
for bom in self:
if bom.bom_line_ids.filtered(lambda x: x.product_id.product_tmpl_id == bom.product_tmpl_id):
raise ValidationError(_('BoM line product %s should not be same as BoM product.') % bom.display_name)
@api.onchange('product_uom_id')
def onchange_product_uom_id(self):
res = {}
if not self.product_uom_id or not self.product_tmpl_id:
return
if self.product_uom_id.category_id.id != self.product_tmpl_id.uom_id.category_id.id:
self.product_uom_id = self.product_tmpl_id.uom_id.id
res['warning'] = {'title': _('Warning'), 'message': _('The Product Unit of Measure you chose has a different category than in the product form.')}
return res
@api.onchange('product_tmpl_id')
def onchange_product_tmpl_id(self):
if self.product_tmpl_id:
self.product_uom_id = self.product_tmpl_id.uom_id.id
@api.multi
def name_get(self):
return [(bom.id, '%s%s' % (bom.code and '%s: ' % bom.code or '', bom.product_tmpl_id.display_name)) for bom in self]
@api.multi
def unlink(self):
if self.env['mrp.production'].search([('bom_id', 'in', self.ids), ('state', 'not in', ['done', 'cancel'])], limit=1):
raise UserError(_('You can not delete a Bill of Material with running manufacturing orders.\nPlease close or cancel it first.'))
return super(MrpBom, self).unlink()
@api.model
def _bom_find(self, product_tmpl=None, product=None, picking_type=None, company_id=False):
""" Finds BoM for particular product, picking and company """
if product:
if not product_tmpl:
product_tmpl = product.product_tmpl_id
domain = ['|', ('product_id', '=', product.id), '&', ('product_id', '=', False), ('product_tmpl_id', '=', product_tmpl.id)]
elif product_tmpl:
domain = [('product_tmpl_id', '=', product_tmpl.id)]
else:
# neither product nor template, makes no sense to search
return False
if picking_type:
domain += ['|', ('picking_type_id', '=', picking_type.id), ('picking_type_id', '=', False)]
if company_id or self.env.context.get('company_id'):
domain = domain + [('company_id', '=', company_id or self.env.context.get('company_id'))]
# order to prioritize bom with product_id over the one without
return self.search(domain, order='sequence, product_id', limit=1)
def explode(self, product, quantity, picking_type=False):
"""
Explodes the BoM and creates two lists with all the information you need: bom_done and line_done
Quantity describes the number of times you need the BoM: so the quantity divided by the number created by the BoM
and converted into its UoM
"""
from collections import defaultdict
graph = defaultdict(list)
V = set()
def check_cycle(v, visited, recStack, graph):
visited[v] = True
recStack[v] = True
for neighbour in graph[v]:
if visited[neighbour] == False:
if check_cycle(neighbour, visited, recStack, graph) == True:
return True
elif recStack[neighbour] == True:
return True
recStack[v] = False
return False
boms_done = [(self, {'qty': quantity, 'product': product, 'original_qty': quantity, 'parent_line': False})]
lines_done = []
V |= set([product.product_tmpl_id.id])
bom_lines = [(bom_line, product, quantity, False) for bom_line in self.bom_line_ids]
for bom_line in self.bom_line_ids:
V |= set([bom_line.product_id.product_tmpl_id.id])
graph[product.product_tmpl_id.id].append(bom_line.product_id.product_tmpl_id.id)
while bom_lines:
current_line, current_product, current_qty, parent_line = bom_lines[0]
bom_lines = bom_lines[1:]
if current_line._skip_bom_line(current_product):
continue
line_quantity = current_qty * current_line.product_qty
bom = self._bom_find(product=current_line.product_id, picking_type=picking_type or self.picking_type_id, company_id=self.company_id.id)
if bom.type == 'phantom':
converted_line_quantity = current_line.product_uom_id._compute_quantity(line_quantity / bom.product_qty, bom.product_uom_id)
bom_lines = [(line, current_line.product_id, converted_line_quantity, current_line) for line in bom.bom_line_ids] + bom_lines
for bom_line in bom.bom_line_ids:
graph[current_line.product_id.product_tmpl_id.id].append(bom_line.product_id.product_tmpl_id.id)
if bom_line.product_id.product_tmpl_id.id in V and check_cycle(bom_line.product_id.product_tmpl_id.id, {key: False for key in V}, {key: False for key in V}, graph):
raise UserError(_('Recursion error! A product with a Bill of Material should not have itself in its BoM or child BoMs!'))
V |= set([bom_line.product_id.product_tmpl_id.id])
boms_done.append((bom, {'qty': converted_line_quantity, 'product': current_product, 'original_qty': quantity, 'parent_line': current_line}))
else:
# We round up here because the user expects that if he has to consume a little more, the whole UOM unit
# should be consumed.
rounding = current_line.product_uom_id.rounding
line_quantity = float_round(line_quantity, precision_rounding=rounding, rounding_method='UP')
lines_done.append((current_line, {'qty': line_quantity, 'product': current_product, 'original_qty': quantity, 'parent_line': parent_line}))
return boms_done, lines_done
class MrpBomLine(models.Model):
_name = 'mrp.bom.line'
_order = "sequence, id"
_rec_name = "product_id"
def _get_default_product_uom_id(self):
return self.env['product.uom'].search([], limit=1, order='id').id
product_id = fields.Many2one(
'product.product', 'Product', required=True)
product_qty = fields.Float(
'Product Quantity', default=1.0,
digits=dp.get_precision('Product Unit of Measure'), required=True)
product_uom_id = fields.Many2one(
'product.uom', 'Product Unit of Measure',
default=_get_default_product_uom_id,
oldname='product_uom', required=True,
help="Unit of Measure (Unit of Measure) is the unit of measurement for the inventory control")
sequence = fields.Integer(
'Sequence', default=1,
help="Gives the sequence order when displaying.")
routing_id = fields.Many2one(
'mrp.routing', 'Routing',
related='bom_id.routing_id', store=True,
help="The list of operations to produce the finished product. The routing is mainly used to "
"compute work center costs during operations and to plan future loads on work centers "
"based on production planning.")
bom_id = fields.Many2one(
'mrp.bom', 'Parent BoM',
index=True, ondelete='cascade', required=True)
attribute_value_ids = fields.Many2many(
'product.attribute.value', string='Variants',
help="BOM Product Variants needed form apply this line.")
operation_id = fields.Many2one(
'mrp.routing.workcenter', 'Consumed in Operation',
help="The operation where the components are consumed, or the finished products created.")
child_bom_id = fields.Many2one(
'mrp.bom', 'Sub BoM', compute='_compute_child_bom_id')
child_line_ids = fields.One2many(
'mrp.bom.line', string="BOM lines of the referred bom",
compute='_compute_child_line_ids')
has_attachments = fields.Boolean('Has Attachments', compute='_compute_has_attachments')
_sql_constraints = [
('bom_qty_zero', 'CHECK (product_qty>=0)', 'All product quantities must be greater or equal to 0.\n'
'Lines with 0 quantities can be used as optional lines. \n'
'You should install the mrp_byproduct module if you want to manage extra products on BoMs !'),
]
@api.one
@api.depends('product_id', 'bom_id')
def _compute_child_bom_id(self):
if not self.product_id:
self.child_bom_id = False
else:
self.child_bom_id = self.env['mrp.bom']._bom_find(
product_tmpl=self.product_id.product_tmpl_id,
product=self.product_id,
picking_type=self.bom_id.picking_type_id)
@api.one
@api.depends('product_id')
def _compute_has_attachments(self):
nbr_attach = self.env['ir.attachment'].search_count([
'|',
'&', ('res_model', '=', 'product.product'), ('res_id', '=', self.product_id.id),
'&', ('res_model', '=', 'product.template'), ('res_id', '=', self.product_id.product_tmpl_id.id)])
self.has_attachments = bool(nbr_attach)
@api.one
@api.depends('child_bom_id')
def _compute_child_line_ids(self):
""" If the BOM line refers to a BOM, return the ids of the child BOM lines """
self.child_line_ids = self.child_bom_id.bom_line_ids.ids
@api.onchange('product_uom_id')
def onchange_product_uom_id(self):
res = {}
if not self.product_uom_id or not self.product_id:
return res
if self.product_uom_id.category_id != self.product_id.uom_id.category_id:
self.product_uom_id = self.product_id.uom_id.id
res['warning'] = {'title': _('Warning'), 'message': _('The Product Unit of Measure you chose has a different category than in the product form.')}
return res
@api.onchange('product_id')
def onchange_product_id(self):
if self.product_id:
self.product_uom_id = self.product_id.uom_id.id
@api.model
def create(self, values):
if 'product_id' in values and 'product_uom_id' not in values:
values['product_uom_id'] = self.env['product.product'].browse(values['product_id']).uom_id.id
return super(MrpBomLine, self).create(values)
def _skip_bom_line(self, product):
""" Control if a BoM line should be produce, can be inherited for add
custom control. It currently checks that all variant values are in the
product. """
if self.attribute_value_ids:
if not product or self.attribute_value_ids - product.attribute_value_ids:
return True
return False
@api.multi
def action_see_attachments(self):
domain = [
'|',
'&', ('res_model', '=', 'product.product'), ('res_id', '=', self.product_id.id),
'&', ('res_model', '=', 'product.template'), ('res_id', '=', self.product_id.product_tmpl_id.id)]
attachment_view = self.env.ref('mrp.view_document_file_kanban_mrp')
return {
'name': _('Attachments'),
'domain': domain,
'res_model': 'mrp.document',
'type': 'ir.actions.act_window',
'view_id': attachment_view.id,
'views': [(attachment_view.id, 'kanban'), (False, 'form')],
'view_mode': 'kanban,tree,form',
'view_type': 'form',
'help': _('''<p class="oe_view_nocontent_create">
Click to upload files to your product.
</p><p>
Use this feature to store any files, like drawings or specifications.
</p>'''),
'limit': 80,
'context': "{'default_res_model': '%s','default_res_id': %d}" % ('product.product', self.product_id.id)
}