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# -*- coding: utf-8 -*-
'''Define model res.partner.relation'''
##############################################################################
#
# OpenERP, Open Source Management Solution
# This module copyright (C) 2013 Therp BV (<http://therp.nl>).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
from openerp.osv.orm import Model, except_orm
from openerp.osv import fields
from openerp.tools.translate import _
class ResPartnerRelation(Model):
'''Model res.partner.relation is used to describe all links or relations
between partners in the database.
In many parts of the code we have to know whether the active partner is
the left partner, or the right partner. If the active partner is the
right partner we have to show the inverse name.
Because the active partner is crucial for the working of partner
relationships, we make sure on the res.partner model that the partner id
is set in the context where needed.
'''
_name = 'res.partner.relation'
_description = 'Partner relation'
_order = 'active desc, date_start desc, date_end desc'
def _on_right_partner(self, cr, uid, right_partner_id, context=None):
'''Determine wether functions are called in a situation where the
active partner is the right partner. Default False!
'''
if (context and 'active_ids' in context
and right_partner_id in context.get('active_ids', [])):
return True
return False
def _correct_vals(self, cr, uid, vals, context=None):
'''Fill type and left and right partner id, according to wether
we have a normal relation type or an inverse relation type'''
vals = vals.copy()
# If type_selection_id ends in 1, it is a reverse relation type
if 'type_selection_id' in vals:
prts_model = self.pool['res.partner.relation.type.selection']
type_selection_id = vals['type_selection_id']
(type_id, is_reverse) = (
prts_model.get_type_from_selection_id(
cr, uid, type_selection_id))
vals['type_id'] = type_id
if context.get('active_id'):
if is_reverse:
vals['right_partner_id'] = context['active_id']
else:
vals['left_partner_id'] = context['active_id']
if vals.get('partner_id_display'):
if is_reverse:
vals['left_partner_id'] = vals['partner_id_display']
else:
vals['right_partner_id'] = vals['partner_id_display']
return vals
def _get_computed_fields(
self, cr, uid, ids, field_names, arg, context=None):
'''Return a dictionary of dictionaries, with for every partner for
ids, the computed values.'''
def get_values(this, dummy_field_names, dummy_arg, context=None):
'''Get computed values for record'''
values = {}
on_right_partner = self._on_right_partner(
cr, uid, this.right_partner_id.id, context=context)
# type_selection_id
values['type_selection_id'] = (
((this.type_id.id) * 10) + (on_right_partner and 1 or 0))
# partner_id_display
values['partner_id_display'] = (
on_right_partner and this.left_partner_id.id
or this.right_partner_id.id
)
# is_relation_expired
today = fields.date.context_today(self, cr, uid, context=context)
values['is_relation_expired'] = (
this.date_end and (this.date_end < today))
# is_relation_future
values['is_relation_future'] = this.date_start > today
return values
return dict([
(this.id, get_values(this, field_names, arg, context=context))
for this in self.browse(cr, uid, ids, context=context)
])
def write(self, cr, uid, ids, vals, context=None):
'''Override write to correct values, before being stored.'''
vals = self._correct_vals(cr, uid, vals, context=context)
return super(ResPartnerRelation, self).write(
cr, uid, ids, vals, context=context)
def create(self, cr, uid, vals, context=None):
'''Override create to correct values, before being stored.'''
vals = self._correct_vals(cr, uid, vals, context=context)
return super(ResPartnerRelation, self).create(
cr, uid, vals, context=context)
def on_change_type_selection_id(
self, cr, uid, dummy_ids, type_selection_id, context=None):
'''Set domain on partner_id_display, when selection a relation type'''
result = {
'domain': {'partner_id_display': []},
'value': {'type_id': False}
}
if not type_selection_id:
return result
prts_model = self.pool['res.partner.relation.type.selection']
type_model = self.pool['res.partner.relation.type']
(type_id, is_reverse) = (
prts_model.get_type_from_selection_id(
cr, uid, type_selection_id)
)
result['value']['type_id'] = type_id
type_obj = type_model.browse(cr, uid, type_id, context=context)
partner_domain = []
check_contact_type = type_obj.contact_type_right
check_partner_category = (
type_obj.partner_category_right and
type_obj.partner_category_right.id
)
if is_reverse:
# partner_id_display is left partner
check_contact_type = type_obj.contact_type_left
check_partner_category = (
type_obj.partner_category_left and
type_obj.partner_category_left.id
)
if check_contact_type == 'c':
partner_domain.append(('is_company', '=', True))
if check_contact_type == 'p':
partner_domain.append(('is_company', '=', False))
if check_partner_category:
partner_domain.append(
('category_id', 'child_of', check_partner_category))
result['domain']['partner_id_display'] = partner_domain
return result
_columns = {
'left_partner_id': fields.many2one(
'res.partner', string='Left partner', required=True,
auto_join=True, ondelete='cascade'),
'right_partner_id': fields.many2one(
'res.partner', string='Right partner', required=True,
auto_join=True, ondelete='cascade'),
'type_id': fields.many2one(
'res.partner.relation.type', string='Type', required=True,
auto_join=True),
'date_start': fields.date('Starting date'),
'date_end': fields.date('Ending date'),
'type_selection_id': fields.function(
_get_computed_fields,
multi="computed_fields",
fnct_inv=lambda *args: None,
type='many2one', obj='res.partner.relation.type.selection',
string='Type',
),
'partner_id_display': fields.function(
_get_computed_fields,
multi="computed_fields",
fnct_inv=lambda *args: None,
type='many2one', obj='res.partner',
string='Partner'
),
'is_relation_expired': fields.function(
_get_computed_fields,
multi="computed_fields",
type='boolean',
method=True,
string='Relation is expired',
),
'is_relation_future': fields.function(
_get_computed_fields,
multi="computed_fields",
type='boolean',
method=True,
string='Relation is in the future',
),
'active': fields.boolean('Active'),
}
_defaults = {
'active': True,
}
def _check_dates(self, cr, uid, ids, context=None):
'''End date should not be before start date, if noth filled'''
for line in self.browse(cr, uid, ids, context=context):
if line.date_start and line.date_end:
if line.date_start > line.date_end:
return False
return True
def _check_partner_type_left(self, cr, uid, ids, context=None):
'''Check left partner for required company or person'''
for this in self.browse(cr, uid, ids, context=context):
ptype = this.type_id.contact_type_left
company = this.left_partner_id.is_company
if (ptype == 'c' and not company) or (ptype == 'p' and company):
return False
return True
def _check_partner_type_right(self, cr, uid, ids, context=None):
'''Check right partner for required company or person'''
for this in self.browse(cr, uid, ids, context=context):
ptype = this.type_id.contact_type_right
company = this.right_partner_id.is_company
if (ptype == 'c' and not company) or (ptype == 'p' and company):
return False
return True
def _check_not_with_self(self, cr, uid, ids, context=None):
'''Not allowed to link partner to same partner'''
for this in self.browse(cr, uid, ids, context=context):
if this.left_partner_id == this.right_partner_id:
return False
return True
def _check_relation_uniqueness(self, cr, uid, ids, context=None):
'''Forbid multiple active relations of the same type between the same
partners'''
for this in self.browse(cr, uid, ids, context=context):
if not this.active:
continue
domain = [
('type_id', '=', this.type_id.id),
('active', '=', True),
('id', '!=', this.id),
('left_partner_id', '=', this.left_partner_id.id),
('right_partner_id', '=', this.right_partner_id.id),
]
if this.date_start:
domain += ['|', ('date_end', '=', False),
('date_end', '>=', this.date_start)]
if this.date_end:
domain += ['|', ('date_start', '=', False),
('date_start', '<=', this.date_end)]
if self.search(cr, uid, domain, context=context):
raise except_orm(
_('Overlapping relation'),
_('There is already a similar relation '
'with overlapping dates'))
return True
_constraints = [
(
_check_dates,
'The starting date cannot be after the ending date.',
['date_start', 'date_end']
),
(
_check_partner_type_left,
'The left partner is not applicable for this relation type.',
['left_partner_id', 'type_id']
),
(
_check_partner_type_right,
'The right partner is not applicable for this relation type.',
['right_partner_id', 'type_id']
),
(
_check_not_with_self,
'Partners cannot have a relation with themselves.',
['left_partner_id', 'right_partner_id']
),
(
_check_relation_uniqueness,
"The same relation can't be created twice.",
['left_partner_id', 'right_partner_id', 'active']
)
]
def get_action_related_partners(self, cr, uid, ids, context=None):
'''return a window action showing a list of partners taking part in the
relations names by ids. Context key 'partner_relations_show_side'
determines if we show 'left' side, 'right' side or 'all' (default)
partners.
If active_model is res.partner.relation.all, left=this and
right=other'''
if context is None:
context = {}
field_names = {}
if context.get('active_model', self._name) == self._name:
field_names = {
'left': ['left'],
'right': ['right'],
'all': ['left', 'right']
}
elif context.get('active_model') == 'res.partner.relation.all':
field_names = {
'left': ['this'],
'right': ['other'],
'all': ['this', 'other']
}
else:
assert False, 'Unknown active_model!'
partner_ids = []
field_names = field_names[
context.get('partner_relations_show_side', 'all')]
field_names = ['%s_partner_id' % n for n in field_names]
for relation in self.pool[context.get('active_model')].read(
cr, uid, ids, context=context, load='_classic_write'):
for name in field_names:
partner_ids.append(relation[name])
return {
'name': _('Related partners'),
'type': 'ir.actions.act_window',
'res_model': 'res.partner',
'domain': [('id', 'in', partner_ids)],
'views': [(False, 'tree'), (False, 'form')],
'view_type': 'form'
}