[IMP] academic_sale_subscription: add setting for subscription invoices

closes #245

Signed-off-by: matiasperalta1 <[email protected]>

Author: lef-adhoc

Diff for: academic_sale_subscription/__manifest__.py

@@ -2,7 +2,7 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 {
     "name": "Academic Sale Subscription",
-    "version": "18.0.1.0.0",
+    "version": "18.0.1.1.0",
     "sequence": 14,
     "summary": "",
     "author": "ADHOC SA",
@@ -17,6 +17,7 @@
         "wizard/academic_order_wizard_views.xml",
         "views/res_partner_views.xml",
         "views/sale_subscription_views.xml",
+        "views/res_config_settings_views.xml",
     ],
     "installable": True,
     "auto_install": False,

Diff for: academic_sale_subscription/models/__init__.py

@@ -5,3 +5,4 @@
 from . import res_partner
 from . import sale_order_line
 from . import academic_group
+from . import res_config_settings

Diff for: academic_sale_subscription/models/res_config_settings.py

@@ -0,0 +1,10 @@
+from odoo import fields, models
+
+
+class ResConfigSettings(models.TransientModel):
+    _inherit = "res.config.settings"
+
+    enable_zero_price_subscription_invoice = fields.Boolean(
+        config_parameter="academic_sale_subscription.enable_zero_price_subscription_invoice",
+        string="Invoice subscriptions with zero total",
+    )

Diff for: academic_sale_subscription/models/sale_order.py

@@ -121,3 +121,14 @@ def action_show_duplicate_subscriptions(self):
             "domain": self.get_duplicate_subscription_ids(),
             "context": "{'search_default_customer': 1}",
         }
+
+    def _invoice_is_considered_free(self, invoiceable_lines):
+        is_free, is_exception = super()._invoice_is_considered_free(invoiceable_lines)
+        param_enabled = (
+            self.env["ir.config_parameter"]
+            .sudo()
+            .get_param("academic_sale_subscription.enable_zero_price_subscription_invoice")
+        )
+        if is_free and param_enabled:
+            is_free = False
+        return is_free, is_exception

Diff for: academic_sale_subscription/views/res_config_settings_views.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="res_config_settings_view_form_inherit" model="ir.ui.view">
+        <field name="name">res.config.settings.view.form.inherit</field>
+        <field name="model">res.config.settings</field>
+        <field name="inherit_id" ref="sale_subscription.res_config_settings_view_form"/>
+        <field name="arch" type="xml">
+            <setting id="invoice_consolidation" position="after">
+                <setting
+                    id="enable_zero_price_subscription_invoice"
+                    help="Enable this to allow invoicing subscription lines even if their total is zero.">
+                    <field name="enable_zero_price_subscription_invoice"/>
+                </setting>
+            </setting>
+        </field>
+    </record>
+</odoo>