[IMP] product_usability: forward-port seller_id now a computed field with search method

stock_usability: Add seller_id on orderpoints.

product_usability/models/product_template.py

@@ -9,12 +9,12 @@ from odoo import api, models, fields
 class ProductTemplate(models.Model):
     _inherit = 'product.template'
 
-    # restore v8 native field
+    # seller_id cannot be stored, because its value may be different
-    # https://github.com/odoo/odoo/blob/8.0/addons/product/product.py#L592
+    # from one company to another
-    # in v10, that field was defined in procurement_suggest, but we will
-    # probably not port procurement_suggest because it is native in v14
     seller_id = fields.Many2one(
-        'res.partner', related='seller_ids.partner_id', store=True,
+        'res.partner',
+        compute="_compute_seller_id",
+        search="_search_seller_id",
         string='Main Supplier')
 
     # in v14, I noticed that the tracking of the fields of product.template
@@ -35,6 +35,18 @@ class ProductTemplate(models.Model):
     company_id = fields.Many2one(tracking=110)
     barcode_type = fields.Char(compute='_compute_template_barcode_type')
 
+    def _search_seller_id(self, operator, value):
+        # searching on the first line of a o2m is not that easy
+        # So we search all potential matching products
+        # Then we filter on the seller_id
+        records = self.search([("seller_ids.partner_id", operator, value)])
+        records = records.filtered_domain([("seller_id", operator, value)])
+        return [("id", "in", records.ids)]
+
+    def _compute_seller_id(self):
+        for template in self:
+            template.seller_id = fields.first(template.seller_ids).partner_id
+
     # precompute=True doesn't work on product.template
     # (works fine on product.product), probably because we don't depend
     # on 'barcode'

product_usability/views/product_product.xml

@@ -32,5 +32,15 @@
         </field>
     </record>
 
+    <record id="product_product_tree_view" model="ir.ui.view">
+        <field name="name">usability.product.product.tree</field>
+        <field name="model">product.product</field>
+        <field name="inherit_id" ref="product.product_product_tree_view"/>
+        <field name="arch" type="xml">
+            <field name="company_id" position="before">
+                <field name="seller_id" optional="hide"/>
+            </field>
+        </field>
+    </record>
 
 </odoo>

product_usability/views/product_template_view.xml

@@ -14,7 +14,7 @@
         <field name="inherit_id" ref="product.product_template_search_view" />
         <field name="arch" type="xml">
             <field name="categ_id" position="after">
-                <field name="seller_ids" string="Supplier" filter_domain="[('seller_ids.partner_id', 'ilike', self)]"/>
+                <field name="seller_id" domain="[('parent_id', '=', False)]"/>
             </field>
             <filter name="type" position="attributes">
                 <attribute name="context">{'group_by': 'detailed_type'}</attribute>

stock_usability/models/stock_warehouse_orderpoint.py

@@ -15,6 +15,23 @@ class StockWarehouseOrderpoint(models.Model):
     # but all the Odoo deployments I've seen so far need 'manual' by default
     trigger = fields.Selection(default='manual')
     product_barcode = fields.Char(related='product_id.barcode', string="Product Barcode")
+    seller_id = fields.Many2one(
+        "res.partner",
+        compute="_compute_seller_id",
+        search="_search_seller_id",
+        string="Main Supplier")
+
+    def _search_seller_id(self, operator, value):
+        # searching on the first line of a o2m is not that easy
+        # So we search all potential matching products
+        # Then we filter on the seller_id
+        records = self.search([("product_id.seller_ids.partner_id", operator, value)])
+        records = records.filtered_domain([("seller_id", operator, value)])
+        return [("id", "in", records.ids)]
+
+    def _compute_seller_id(self):
+        for orderpoint in self:
+            orderpoint.seller_id = fields.first(orderpoint.product_id.seller_ids).partner_id
 
     def _procure_orderpoint_confirm(
             self, use_new_cursor=False, company_id=None, raise_user_error=True):

stock_usability/views/stock_warehouse_orderpoint.xml

@@ -28,8 +28,20 @@
         <field name="product_id" position="after">
             <field name="product_barcode" optional="hide"/>
         </field>
+        <field name="route_id" position="after">
+            <field name="seller_id" optional="show"/>
+        </field>
     </field>
 </record>
 
+<record id="stock_reorder_report_search" model="ir.ui.view">
+    <field name="model">stock.warehouse.orderpoint</field>
+    <field name="inherit_id" ref="stock.stock_reorder_report_search"/>
+    <field name="arch" type="xml">
+        <field name="product_category_id" position="after">
+            <field name="seller_id" domain="[('parent_id', '=', False)]"/>
+        </field>
+    </field>
+</record>
 
 </odoo>