[MIG] [13.0] Migrate base_comment_template from account_invoic_reporting.

base_comment_template/models/ir_model.py

@@ -0,0 +1,33 @@
+# Copyright 2020 NextERP Romania SRL
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import api, fields, models
+
+
+class IrModel(models.Model):
+    _inherit = "ir.model"
+
+    is_comment_template = fields.Boolean(
+        string="Comment Template",
+        default=False,
+        help="Whether this model supports in reports to add " "comment templates.",
+    )
+
+    def _reflect_model_params(self, model):
+        vals = super(IrModel, self)._reflect_model_params(model)
+        vals["is_comment_template"] = issubclass(
+            type(model), self.pool["comment.template"]
+        )
+        return vals
+
+    @api.model
+    def _instanciate(self, model_data):
+        model_class = super(IrModel, self)._instanciate(model_data)
+        if (
+            model_data.get("is_comment_template")
+            and model_class._name != "comment.template"
+        ):
+            parents = model_class._inherit or []
+            parents = [parents] if isinstance(parents, str) else parents
+            model_class._inherit = parents + ["comment.template"]
+        return model_class