From f5d3b28344f3b992377efbba556306b423bdf723 Mon Sep 17 00:00:00 2001
From: Rafi Zadanly <zadanlyr@gmail.com>
Date: Thu, 31 Aug 2023 16:09:15 +0700
Subject: Add apply voucher function on sale order Update sale order view

---
 indoteknik_custom/models/sale_order.py      | 53 ++++++++++++++++++++++++++++-
 indoteknik_custom/models/sale_order_line.py |  1 +
 indoteknik_custom/views/sale_order.xml      | 21 ++++++++++--
 3 files changed, 71 insertions(+), 4 deletions(-)

diff --git a/indoteknik_custom/models/sale_order.py b/indoteknik_custom/models/sale_order.py
index a0bc54b8..f8c97258 100755
--- a/indoteknik_custom/models/sale_order.py
+++ b/indoteknik_custom/models/sale_order.py
@@ -73,7 +73,8 @@ class SaleOrder(models.Model):
     sppkp = fields.Char(string="SPPKP")
     npwp = fields.Char(string="NPWP")
     purchase_total = fields.Monetary(string='Purchase Total', compute='_compute_purchase_total')
-    voucher_id = fields.Many2one(comodel_name='voucher', string='Voucher')
+    voucher_id = fields.Many2one(comodel_name='voucher', string='Voucher', copy=False)
+    applied_voucher_id = fields.Many2one(comodel_name='voucher', string='Applied Voucher', copy=False)
     amount_voucher_disc = fields.Float(string='Voucher Discount')
     source_id = fields.Many2one('utm.source', 'Source', domain="[('id', 'in', [32, 59, 60, 61])]")
 
@@ -375,4 +376,54 @@ class SaleOrder(models.Model):
                 order.grand_total = order.delivery_amt + order.amount_total
             else:
                 order.grand_total = order.amount_total
+    
+    def apply_voucher(self):
+        order_line = []
+        for line in self.order_line:
+            order_line.append({
+                'product_id': line.product_id,
+                'price': line.price_unit,
+                'discount': line.discount,
+                'qty': line.product_uom_qty,
+                'subtotal': line.price_subtotal
+            })
+        voucher = self.voucher_id.apply(order_line)
+
+        for line in self.order_line:
+            line.initial_discount = line.discount
+            
+            voucher_type = voucher['type']
+            used_total = voucher['total'][voucher_type]
+            used_discount = voucher['discount'][voucher_type]
+
+            manufacture_id = line.product_id.x_manufacture.id
+            if voucher_type == 'brand':
+                used_total = used_total.get(manufacture_id)
+                used_discount = used_discount.get(manufacture_id)
+
+            if not used_total or not used_discount:
+                continue
+
+            line_contribution = line.price_subtotal / used_total
+            line_voucher = used_discount * line_contribution
+            line_voucher_item = line_voucher / line.product_uom_qty
+            line_discount_item = line.price_unit * line.discount / 100 + line_voucher_item
+            line_voucher_item = line_discount_item / line.price_unit * 100
+            
+            line.amount_voucher_disc = line_voucher
+            line.discount = line_voucher_item
+
+        self.amount_voucher_disc = voucher['discount']['all']
+        self.applied_voucher_id = self.voucher_id
+
+    def cancel_voucher(self):
+        self.applied_voucher_id = False 
+        self.amount_voucher_disc = 0
+        for line in self.order_line:
+            line.amount_voucher_disc = 0
+            line.discount = line.initial_discount
+            line.initial_discount = False
+
+
+
 
diff --git a/indoteknik_custom/models/sale_order_line.py b/indoteknik_custom/models/sale_order_line.py
index 4e1209cb..4ec48b55 100644
--- a/indoteknik_custom/models/sale_order_line.py
+++ b/indoteknik_custom/models/sale_order_line.py
@@ -6,6 +6,7 @@ class SaleOrderLine(models.Model):
     _inherit = 'sale.order.line'
     item_margin = fields.Float('Margin', compute='compute_item_margin', help="Total Margin in Sales Order Header")
     item_percent_margin = fields.Float('%Margin', compute='compute_item_margin', help="Total % Margin in Sales Order Header")
+    initial_discount = fields.Float('Initial Discount')
     vendor_id = fields.Many2one(
         'res.partner', string='Vendor', readonly=True,
         change_default=True, index=True, tracking=1,
diff --git a/indoteknik_custom/views/sale_order.xml b/indoteknik_custom/views/sale_order.xml
index 14f3663f..bbfc9e3b 100755
--- a/indoteknik_custom/views/sale_order.xml
+++ b/indoteknik_custom/views/sale_order.xml
@@ -26,7 +26,17 @@
                     <field name="delivery_amt"/>
                     <field name="fee_third_party"/>
                     <field name="total_percent_margin"/>
-                    <field name="voucher_id" readonly="1" />
+                    <label for="voucher_id"/>
+                    <div class="o_row">
+                        <field name="voucher_id" id="voucher_id" attrs="{'readonly': ['|', ('state', 'not in', ['draft', 'sent']), ('applied_voucher_id', '!=', False)]}"/>
+                        <field name="applied_voucher_id" invisible="1" />
+                        <button name="apply_voucher" type="object" string="Apply" confirm="Anda yakin untuk menggunakan voucher?" help="Apply the selected voucher" class="btn-link mb-1 px-0" icon="fa-plus" 
+                            attrs="{'invisible': ['|', '|', ('voucher_id', '=', False), ('state', 'not in', ['draft', 'sent']), ('applied_voucher_id', '!=', False)]}"
+                        />
+                        <button name="cancel_voucher" type="object" string="Cancel" confirm="Anda yakin untuk membatalkan penggunaan voucher?" help="Cancel applied voucher" class="btn-link mb-1 px-0" icon="fa-times" 
+                            attrs="{'invisible': ['|', ('applied_voucher_id', '=', False), ('state', 'not in', ['draft','sent'])]}"
+                        />
+                    </div>
                 </field>
                 <field name="source_id" position="attributes">
                     <attribute name="invisible">1</attribute>
@@ -49,6 +59,11 @@
                     <field name="date_doc_kirim" readonly="1"/>
                     <field name="notification" readonly="1"/>
                 </field>
+                <xpath expr="//form/sheet/notebook/page/field[@name='order_line']" position="attributes">
+                    <attribute name="attrs">
+                        {'readonly': ['|', ('applied_voucher_id', '!=', False), ('state', 'in', ('done','cancel'))]}
+                    </attribute>
+                </xpath>
                 <xpath expr="//form/sheet/notebook/page/field[@name='order_line']/tree/field[@name='price_unit']" position="attributes">
                     <attribute name="attrs">
                         {
@@ -75,7 +90,7 @@
                     <field name="item_percent_margin"/>
                     <field name="note_procurement" optional="hide"/>
                     <field name="vendor_subtotal" optional="hide"/>
-                    <field name="amount_voucher_disc" string="Voucher" optional="hide"/>
+                    <field name="amount_voucher_disc" string="Voucher" readonly="1" optional="hide"/>
                     <field name="program_line_id" optional="1" />
                 </xpath>
                 <xpath expr="//form/sheet/notebook/page/field[@name='order_line']/tree/field[@name='product_id']" position="before">
@@ -85,7 +100,7 @@
                     <field name="grand_total"/>
                     <label for="amount_voucher_disc" string="Voucher" />
                     <div>
-                        <field class="mb-0" name="amount_voucher_disc" string="Voucher"/> 
+                        <field class="mb-0" name="amount_voucher_disc" string="Voucher" readonly="1"/> 
                         <div class="text-right mb-2"><small>*Hanya informasi</small></div>
                     </div>
                     <field name="total_margin"/>
-- 
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