[ADD] purchase_report_date_planned

purchase_report_date_planned/models/__init__.py

@@ -0,0 +1 @@
+from . import purchase_report

purchase_report_date_planned/models/purchase_report.py

@@ -0,0 +1,22 @@
+from odoo import fields, models
+
+
+class PurchaseReport(models.Model):
+    _inherit = "purchase.report"
+
+    date_planned = fields.Datetime(compute="_compute_date_planned", store=True)
+
+    def _compute_date_planned(self):
+        for record in self:
+            order_line = record.order_id.order_line.filtered(
+                lambda r: r.product_id == record.product_id
+            )
+            record.date_planned = order_line.date_planned
+
+    def _select(self):
+        select_str = super(PurchaseReport, self)._select()
+        return select_str + ", l.date_planned as date_planned"
+
+    def _group_by(self):
+        group_by_str = super(PurchaseReport, self)._group_by()
+        return group_by_str + ", l.date_planned"