On partner form view, 2 buttons for journal items: one for payable (seen if supplier = True) and one for receivable (seen if customer=True)

account_usability/account.py

@@ -99,21 +99,23 @@ class ResPartner(models.Model):
     _inherit = 'res.partner'
 
     @api.multi
-    def show_partner_receivable_or_payable_account(self):
+    def show_receivable_account(self):
         self.ensure_one()
-        if self.customer and not self.supplier:
         account_id = self.property_account_receivable.id
-        elif self.supplier and not self.customer:
+        return self.common_show_account(self.ids[0], account_id)
+
+    @api.multi
+    def show_payable_account(self):
+        self.ensure_one()
         account_id = self.property_account_payable.id
-        else:
+        return self.common_show_account(self.ids[0], account_id)
-            raise UserError(_(
+
-                'This shortcut only works for partners that are only '
+    def common_show_account(self, partner_id, account_id):
-                'customer or only supplier'))
         action = self.env['ir.actions.act_window'].for_xml_id(
             'account', 'action_account_moves_all_tree')
         action['context'] = {
-            'search_default_partner_id': [self.ids[0]],
+            'search_default_partner_id': [partner_id],
-            'default_partner_id': self.ids[0],
+            'default_partner_id': partner_id,
             'search_default_account_id': account_id,
             }
         return action
@@ -124,10 +126,14 @@ class ResPartner(models.Model):
         for partner in self:
             partner.journal_item_count = amlo.search_count([
                 ('partner_id', '=', partner.id),
-                ('account_id', 'in', (
+                ('account_id', '=', partner.property_account_receivable.id)])
-                    partner.property_account_receivable.id,
+            partner.payable_journal_item_count = amlo.search_count([
-                    partner.property_account_payable.id))])
+                ('partner_id', '=', partner.id),
+                ('account_id', '=', partner.property_account_payable.id)])
 
     journal_item_count = fields.Integer(
         compute='_compute_journal_item_count',
         string="Journal Items", readonly=True)
+    payable_journal_item_count = fields.Integer(
+        compute='_compute_journal_item_count',
+        string="Payable Journal Items", readonly=True)

account_usability/account_view.xml

@@ -111,17 +111,27 @@
     </field>
 </record>
 
-<!-- On the partner form, when a user clicks on the journal items
-we wants to see only the account payable or account receivable -->
 <record id="partner_view_button_journal_item_count" model="ir.ui.view">
     <field name="name">usability.res.partner.journal.items.button</field>
     <field name="model">res.partner</field>
     <field name="inherit_id" ref="account.partner_view_button_journal_item_count"/>
     <field name="arch" type="xml">
+        <button name="%(account.action_account_moves_all_tree)d" position="after">
+            <button name="show_payable_account" type="object"
+                attrs="{'invisible': [('supplier', '=', False)]}"
+                icon="fa-list" class="oe_stat_button">
+                <field string="Payable Account" name="payable_journal_item_count"
+                    widget="statinfo"/>
+            </button>
+        </button>
         <button name="%(account.action_account_moves_all_tree)d" position="attributes">
             <attribute name="type">object</attribute>
-            <attribute name="name">show_partner_receivable_or_payable_account</attribute>
+            <attribute name="name">show_receivable_account</attribute>
+            <attribute name="attrs">{'invisible': [('customer', '=', False)]}</attribute>
         </button>
+        <field name="journal_item_count" position="attributes">
+            <attribute name="string">Receivable Account</attribute>
+        </field>
     </field>
 </record>