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49 lines
1.9 KiB
49 lines
1.9 KiB
# Copyright 2019 Eficent Business and IT Consulting Services S.L.
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# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
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from odoo import _, api, fields, models
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from odoo.exceptions import UserError
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class IrModel(models.Model):
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_inherit = 'ir.model'
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is_kanban = fields.Boolean(
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string="Kanban", default=False,
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help="Whether this model support kanban stages.",
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)
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@api.multi
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def write(self, vals):
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if self and 'is_kanban' in vals:
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if not all(rec.state == 'manual' for rec in self):
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raise UserError(_('Only custom models can be modified.'))
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if not all(rec.is_kanban <= vals['is_kanban'] for rec in self):
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raise UserError(
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_('Field "Kanban" cannot be changed to "False".'))
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res = super(IrModel, self).write(vals)
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# setup models; this reloads custom models in registry
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self.pool.setup_models(self._cr)
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# update database schema of models
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models = self.pool.descendants(self.mapped('model'), '_inherits')
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self.pool.init_models(self._cr, models, dict(
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self._context, update_custom_fields=True))
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else:
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res = super(IrModel, self).write(vals)
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return res
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def _reflect_model_params(self, model):
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vals = super(IrModel, self)._reflect_model_params(model)
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vals['is_kanban'] = issubclass(
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type(model), self.pool['base.kanban.abstract'])
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return vals
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@api.model
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def _instanciate(self, model_data):
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model_class = super(IrModel, self)._instanciate(model_data)
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if model_data.get('is_kanban') and \
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model_class._name != 'base.kanban.abstract':
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parents = model_class._inherit or []
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parents = [parents] if isinstance(parents, (str,)) else parents
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model_class._inherit = parents + ['base.kanban.abstract']
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return model_class
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