[12.0][ADD] stock_demand_estimate_matrix

stock_demand_estimate_matrix/models/date_range.py

@@ -0,0 +1,23 @@
+# Copyright 2019 ForgeFlow S.L. (https://www.forgeflow.com)
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from odoo import api, fields, models
+
+
+class DateRange(models.Model):
+    _inherit = "date.range"
+
+    days = fields.Integer(
+        string="Days between dates",
+        compute="_compute_days",
+        readonly=True,
+    )
+
+    @api.multi
+    @api.depends("date_start", "date_end")
+    def _compute_days(self):
+        for rec in self.filtered(lambda x: x.date_start and x.date_end):
+            rec.days = abs((
+                rec.date_end -
+                rec.date_start
+            ).days) + 1