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48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
# Copyright 2020 Tecnativa - Carlos Dauden
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# Copyright 2020 Tecnativa - Pedro M. Baeza
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# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
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from flectra import _, api, exceptions, fields, models
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class IrUiCustomFilter(models.Model):
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_name = "ir.ui.custom.field.filter"
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_description = "Custom UI field filter"
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_order = "model_id, sequence, id"
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sequence = fields.Integer()
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model_id = fields.Many2one(
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comodel_name="ir.model", required=True, ondelete="cascade"
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)
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model_name = fields.Char(
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related="model_id.model",
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store=True,
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readonly=True,
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index=True,
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string="Model name",
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)
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name = fields.Char(required=True, translate=True)
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expression = fields.Char(required=True)
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position_after = fields.Char(
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help="Optional field name for putting the filter after that one. "
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"If empty or not found, it will be put at the end.",
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)
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def _get_related_field(self):
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"""Determine the chain of fields."""
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self.ensure_one()
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related = self.expression.split(".")
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target = self.env[self.model_name]
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for name in related:
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field = target._fields[name]
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target = target[name]
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return field
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@api.constrains("model_id", "expression")
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def _check_expression(self):
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for record in self:
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try:
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record._get_related_field()
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except KeyError:
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raise exceptions.ValidationError(_("Incorrect expression."))
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