#This file is part of Tryton.  The COPYRIGHT file at the top level of this repository contains the full copyright notices and license terms.
"Default"
from trytond.osv import fields, OSV
from decimal import Decimal


class Default(OSV):
    "Default"
    _name = 'ir.default'
    _description = __doc__
    _rec_name = 'value'
    model = fields.Many2One('ir.model', 'Model', required=True,
       ondelete='cascade')
    field = fields.Many2One('ir.model.field', 'Field', required=True,
       ondelete='cascade')
    value = fields.Text('Value')
    clause = fields.Text('Clause')
    user = fields.Many2One('res.user', 'User', ondelete='cascade')

    def __init__(self):
        super(Default, self).__init__()
        self._rpc_allowed += ['get_default', 'set_default']

    def get_default(self, cursor, user, model, clause, context=None):
        res = {}
        test_user = user
        test_clause = clause
        default_ids = []
        while True:
            default_ids += self.search(cursor, user, [
                ('model.model', '=', model),
                ('clause', '=', test_clause),
                ('user', '=', test_user),
                ], context=context)
            if test_user:
                test_user = False
                continue
            if test_clause:
                test_clause = False
                continue
            break
        ctx = {}
        ctx['Decimal'] = Decimal
        for default in self.browse(cursor, user, default_ids, context=context):
            if default.field.name not in res:
                if default.field.ttype in ('reference', 'char', 'sha', 'text',
                        'date', 'datetime', 'time', 'selection'):
                    res[default.field.name] = default.value
                else:
                    res[default.field.name] = eval(default.value)
        return res

    def set_default(self, cursor, user, model, field, clause, value,
            user_default, context=None):
        model_obj = self.pool.get('ir.model')
        field_obj = self.pool.get('ir.model.field')
        model_id = model_obj.search(cursor, user, [
            ('model', '=', model),
            ], context=context)[0]
        field_id = field_obj.search(cursor, user, [
            ('name', '=', field),
            ], context=context)[0]
        default_ids = self.search(cursor, user, [
            ('model', '=', model_id),
            ('field', '=', field_id),
            ('clause', '=', clause),
            ('user', '=', user_default),
            ], context=context)
        if default_ids:
            self.delete(cursor, user, default_ids, context=context)
        self.create(cursor, user, {
            'model': model_id,
            'field': field_id,
            'value': str(value),
            'clause': clause,
            'user': user_default,
            }, context=context)

Default()