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#This file is part of Tryton. The COPYRIGHT file at the top level of
#this repository contains the full copyright notices and license terms.
import copy
from trytond.model.fields.function import Function
from trytond.model.fields.field import Field
from trytond import backend
from trytond.transaction import Transaction
from trytond.pool import Pool
class Property(Function):
'''
Define a property field that is stored in ir.property (any).
'''
def __init__(self, field):
'''
:param field: The field of the function.
'''
super(Property, self).__init__(field, True, True, True)
__init__.__doc__ += Field.__init__.__doc__
def __copy__(self):
return Property(copy.copy(self._field))
def get(self, ids, model, name, values=None):
'''
Retreive the property.
:param ids: A list of ids.
:param model: The model.
:param name: The name of the field or a list of name field.
:param values:
:return: a dictionary with ids as key and values as value
'''
pool = Pool()
property_obj = pool.get('ir.property')
res = property_obj.get(name, model._name, ids)
return res
def set(self, ids, model, name, value):
'''
Set the property.
:param ids: A list of ids.
:param model: The model.
:param name: The name of the field.
:param value: The value to set.
'''
pool = Pool()
property_obj = pool.get('ir.property')
return property_obj.set(name, model._name, ids,
(value and getattr(self, 'model_name', '') + ',' + str(value)) or
False)
def search(self, model, name, clause):
'''
:param model: The model.
:param clause: The search domain clause. See ModelStorage.search
:return: New list of domain.
'''
pool = Pool()
rule_obj = pool.get('ir.rule')
property_obj = pool.get('ir.property')
model_obj = pool.get('ir.model')
field_obj = pool.get('ir.model.field')
cursor = Transaction().cursor
field_class = backend.FIELDS[self._type]
if not field_class:
return []
sql_type = field_class.sql_type(model._columns[name])
if not sql_type:
return []
sql_type = sql_type[0]
property_query, property_val = rule_obj.domain_get('ir.property')
property_clause = ''
if property_query:
property_clause = 'AND ' + property_query
#Fetch res ids that comply with the domain
cursor.execute(
'SELECT CAST(' \
'SPLIT_PART("' + property_obj._table + '".res,\',\',2) ' \
'AS INTEGER), '\
'"' + property_obj._table + '".id '\
'FROM "' + property_obj._table + '" '\
'JOIN "' + field_obj._table + '" ON ' \
'("' + field_obj._table + '"'+ \
'.id = "' + property_obj._table + '".field) '\
'JOIN "' + model_obj._table +'" ON ' \
'("' + model_obj._table + \
'".id = "' + field_obj._table + '".model) '\
'WHERE '\
'CASE WHEN "' +\
model_obj._table + '".model = %s ' \
'AND "' + field_obj._table + '".name = %s ' \
+ property_clause + \
' THEN ' + \
self.get_condition(sql_type, clause) + \
' ELSE '\
'%s '\
'END',
[model._name, name] + property_val + \
self.get_condition_args(clause) + [False])
props = cursor.fetchall()
default = None
for prop in props:
if not prop[0]:
default = prop[1]
break
if not default \
or (clause[2] is False and clause[1] in ['=', '!=']) \
or (clause[1] in ['not like', 'not ilike', 'not in', '!=']):
operator = 'in' # default operator
if (clause[2] is False and clause[1] == '=') \
or (clause[2] is not False
and clause[1] in ['not like', 'not ilike', 'not in', '!=']):
operator = 'not in'
return [('id', operator, [x[0] for x in props])]
#Fetch the res ids that doesn't use the default value
cursor.execute(
"SELECT cast(split_part(res,',',2) as integer) "\
'FROM "' + property_obj._table +'"'\
'WHERE ' \
+ property_query + ' AND res is not null',
property_val)
fetchall = cursor.fetchall()
if not fetchall:
return [('id', 'in', [x[0] for x in props])]
else:
other_ids = [x[0] for x in cursor.fetchall()]
res_ids = model.search(['OR',
('id', 'in', [x[0] for x in props]),
('id', 'not in', other_ids)
])
return [('id', 'in', res_ids)]
@staticmethod
def get_condition(sql_type, clause):
operator = '%s'
if sql_type == 'NUMERIC':
operator = 'CAST(%s AS NUMERIC)'
# All negative clauses will be negated later
if clause[1] in ('in', 'not in'):
operator = operator % '%%s'
return ("(cast(split_part(value,',',2) as %s) in ("+ \
",".join((operator,) * len(clause[2])) + ")) ") % sql_type
elif clause[2] is False and clause[1] in ['=', '!=']:
return "((cast(split_part(value,',',2) as %s) IS NULL " \
") = %%s) " % sql_type
elif clause[1] in ['not like', 'not ilike']:
return "(cast(split_part(value,',',2) as %s) %s %s) " % \
(sql_type, clause[1].split()[1], operator)
elif clause[1] == '!=':
return "(cast(split_part(value,',',2) as %s) = %s) " % \
(sql_type, operator)
else:
return "(cast(split_part(value,',',2) as %s) %s %s) " % \
(sql_type, clause[1], operator)
@staticmethod
def get_condition_args(clause):
res = []
if clause[1] in ('in', 'not in'):
res.extend(clause[2])
else:
res.append(clause[2])
return res
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