[IMP] account_loan: Show lended loans from partner

account_loan/__manifest__.py

@@ -17,6 +17,7 @@
         "wizards/account_loan_post_view.xml",
         "views/account_loan_view.xml",
         "views/account_move_view.xml",
+        "views/res_partner.xml",
     ],
     "installable": True,
     "maintainers": ["etobella"],

account_loan/models/__init__.py

@@ -4,3 +4,4 @@
 from . import account_loan
 from . import account_loan_line
 from . import account_move
+from . import res_partner

account_loan/models/res_partner.py

@@ -0,0 +1,32 @@
+# Copyright 2023 Dixmit
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models
+
+
+class ResPartner(models.Model):
+
+    _inherit = "res.partner"
+
+    lended_loan_ids = fields.One2many("account.loan", inverse_name="partner_id")
+    lended_loan_count = fields.Integer(
+        compute="_compute_lended_loan_count",
+        help="How many Loans this partner lended to us ?",
+    )
+
+    @api.depends("lended_loan_ids")
+    def _compute_lended_loan_count(self):
+        for record in self:
+            record.lended_loan_count = len(record.lended_loan_ids)
+
+    def action_view_partner_lended_loans(self):
+
+        self.ensure_one()
+        action = self.env["ir.actions.actions"]._for_xml_id(
+            "account_loan.account_loan_action"
+        )
+        all_child = self.with_context(active_test=False).search(
+            [("id", "child_of", self.ids)]
+        )
+        action["domain"] = [("partner_id", "in", all_child.ids)]
+        return action

account_loan/tests/test_loan.py

@@ -77,6 +77,13 @@ class TestLoan(TransactionCase):
         loan._onchange_company()
         self.assertFalse(loan.interest_expenses_account_id)
 
+    def test_partner_loans(self):
+        self.assertFalse(self.partner.lended_loan_count)
+        loan = self.create_loan("fixed-annuity", 500000, 1, 60)
+        self.assertEqual(1, self.partner.lended_loan_count)
+        action = self.partner.action_view_partner_lended_loans()
+        self.assertEqual(loan, self.env[action["res_model"]].search(action["domain"]))
+
     def test_round_on_end(self):
         loan = self.create_loan("fixed-annuity", 500000, 1, 60)
         loan.round_on_end = True

account_loan/views/account_loan_view.xml

@@ -3,6 +3,17 @@
      Copyright 2016 Antonio Espinosa <antonio.espinosa@tecnativa.com>
      License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
 <odoo>
+
+    <record id="account_loan_search" model="ir.ui.view">
+        <field name="name">account.loan.tree</field>
+        <field name="model">account.loan</field>
+        <field name="arch" type="xml">
+            <search>
+                <field name="partner_id" />
+                <field name="company_id" groups="base.group_multi_company" />
+            </search>
+        </field>
+    </record>
     <record id="account_loan_tree" model="ir.ui.view">
         <field name="name">account.loan.tree</field>
         <field name="model">account.loan</field>

account_loan/views/res_partner.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!-- Copyright 2023 Dixmit
+     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
+<odoo>
+
+    <record model="ir.ui.view" id="res_partner_form_view">
+        <field name="name">res.partner.form (in account_loan)</field>
+        <field name="model">res.partner</field>
+        <field name="inherit_id" ref="base.view_partner_form" />
+        <field name="arch" type="xml">
+            <div name="button_box" position="inside">
+                <button
+                    type="object"
+                    class="oe_stat_button"
+                    icon="fa-money"
+                    name="action_view_partner_lended_loans"
+                    groups="account.group_account_user"
+                    context="{'default_partner_id': active_id}"
+                    attrs="{'invisible': [('lended_loan_count','=', 0)]}"
+                >
+                    <div class="o_form_field o_stat_info">
+                        <span class="o_stat_value">
+                            <field name="lended_loan_count" />
+                        </span>
+                        <span class="o_stat_text">Loans</span>
+                    </div>
+                </button>
+            </div>
+        </field>
+    </record>
+
+
+
+</odoo>