pos_sale_report: Now works well when you select multiple products in product tree view

Add Today and Yesterday filter, for easy analysis of recent sales

pos_sale_report/report/pos_sale_report.py

@@ -31,7 +31,7 @@ class pos_sale_report(models.Model):
     _rec_name = 'date'
     _order = 'date desc'
 
-    date = fields.Datetime(string='Order Date', readonly=True)
+    date = fields.Date(string='Order Date', readonly=True)
     product_id = fields.Many2one(
         'product.product', string='Product Variant', readonly=True)
     product_tmpl_id = fields.Many2one(
@@ -44,7 +44,7 @@ class pos_sale_report(models.Model):
     # WARNING : this code doesn't handle uom conversion for the moment
     def _sale_order_select(self):
         select = """SELECT min(sol.id)*-1 AS id,
-            so.date_order AS date,
+            so.date_order::date AS date,
             sol.product_id AS product_id,
             pp.product_tmpl_id AS product_tmpl_id,
             so.company_id AS company_id,
@@ -61,7 +61,7 @@ class pos_sale_report(models.Model):
 
     def _pos_order_select(self):
         select = """SELECT min(pol.id) AS id,
-            po.date_order AS date,
+            po.date_order::date AS date,
             pol.product_id AS product_id,
             pp.product_tmpl_id AS product_tmpl_id,
             po.company_id AS company_id,

pos_sale_report/report/pos_sale_report_view.xml

@@ -10,6 +10,10 @@
         <search string="POS orders and Sale orders aggregated report">
             <field name="product_tmpl_id"/>
             <field name="product_id"/>
+            <filter name="today" string="Today"
+                domain="[('date', '=', context_today().strftime('%Y-%m-%d'))]"/>
+             <filter name="yesterday" string="Yesterday"
+                domain="[('date', '=', (context_today() + datetime.timedelta(days=-1)).strftime('%Y-%m-%d'))]"/>
             <group string="Group By" name="groupby">
                 <filter name="date_groupby" string="Date" context="{'group_by': 'date'}"/>
                 <filter name="product_tmpl_groupby" string="Product" context="{'group_by': 'product_tmpl_id'}"/>