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76 lines
2.7 KiB
76 lines
2.7 KiB
# -*- coding: utf-8 -*-
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# Copyright 2016 Jairo Llopis <jairo.llopis@tecnativa.com>
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# Copyright 2017 Pedro M. Baeza <pedro.baeza@tecnativa.com>
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# License LGPL-3 - See http://www.gnu.org/licenses/lgpl-3.0.html
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from odoo import _, api, fields, models
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from odoo.exceptions import ValidationError
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class CustomInfoTemplate(models.Model):
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"""Defines custom properties expected for a given database object."""
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_description = "Custom information template"
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_name = "custom.info.template"
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_order = "model_id, name"
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_sql_constraints = [
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("name_model",
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"UNIQUE (name, model_id)",
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"Another template with that name exists for that model."),
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]
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name = fields.Char(required=True, translate=True)
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model = fields.Char(
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string="Model technical name", inverse="_inverse_model",
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compute="_compute_model", search="_search_model"
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)
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model_id = fields.Many2one(
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comodel_name='ir.model', string='Model', ondelete="restrict",
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required=True, auto_join=True,
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)
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property_ids = fields.One2many(
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comodel_name='custom.info.property', inverse_name='template_id',
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string='Properties', oldname="info_ids",
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)
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@api.multi
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@api.depends("model_id")
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def _compute_model(self):
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for r in self:
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r.model = r.model_id.model
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@api.multi
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def _inverse_model(self):
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for r in self:
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r.model_id = self.env["ir.model"].search([("model", "=", r.model)])
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@api.model
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def _search_model(self, operator, value):
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models = self.env['ir.model'].search([('model', operator, value)])
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return [('model_id', 'in', models.ids)]
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@api.onchange('model')
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def _onchange_model(self):
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self._inverse_model()
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@api.multi
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@api.constrains("model_id")
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def _check_model(self):
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"""Avoid error when updating base module and a submodule extends a
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model that falls out of this one's dependency graph.
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"""
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for record in self:
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with self.env.norecompute():
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oldmodels = record.mapped("property_ids.info_value_ids.model")
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if oldmodels and record.model not in oldmodels:
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raise ValidationError(
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_("You cannot change the model because it is in use.")
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)
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@api.multi
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def check_access_rule(self, operation):
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"""You access a template if you access its model."""
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for record in self:
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model = self.env[record.model_id.model or record.model]
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model.check_access_rights(operation)
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model.check_access_rule(operation)
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return super(CustomInfoTemplate, self).check_access_rule(operation)
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