[ADD] book_pricelist: Added book price based on price lsit

book_pricelist/__init__.py

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+from . import models

book_pricelist/__manifest__.py

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+{
+    'name': "Book Pricelist",
+    'category': '',
+    'version': '0.1',
+    'depends': ['sale'],
+    'sequence': 1,
+    'application': True,
+    'installable': True,
+    'data': [
+        'views/sale_order_views.xml',
+        'views/account_move_view.xml',
+    ],
+    'license': 'AGPL-3'
+}

book_pricelist/models/__init__.py

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+from . import sale_order_line
+from . import account_move_line

book_pricelist/models/account_move_line.py

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+from odoo import fields, models, api
+
+
+class AccountMoveLine(models.Model):
+    _inherit = 'account.move.line'
+
+    book_price = fields.Float(string='Book Price', compute='_compute_book_price')
+
+    @api.depends('product_id', 'quantity', 'sale_line_ids')
+    def _compute_book_price(self):
+        for rec in self:
+            if rec.product_id:
+                pricelist = rec.sale_line_ids.order_id.pricelist_id
+                if pricelist:
+                    rec.book_price = pricelist._get_product_price(
+                        rec.product_id, rec.quantity
+                    )
+                else:
+                    rec.book_price = rec.product_id.lst_price
+            else:
+                rec.book_price = 0

book_pricelist/models/sale_order_line.py

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+from odoo import fields, models, api
+
+
+class SaleOrderLine(models.Model):
+    _inherit = "sale.order.line"
+
+    book_price = fields.Float(string='Book Price', compute='_compute_book_price')
+
+    @api.depends('product_id', 'product_uom_qty', 'order_id.pricelist_id')
+    def _compute_book_price(self):
+        for rec in self:
+            if not rec.product_id:
+                rec.book_price = 0
+                continue
+            pricelist = rec.order_id.pricelist_id
+            if rec.product_id and pricelist:
+                rec.book_price = pricelist._get_product_price(
+                    rec.product_id, rec.product_uom_qty
+                )
+            else:
+                rec.book_price = rec.product_id.lst_price

book_pricelist/views/account_move_view.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data noupdate="0">
+        <record id="account_move_view_form_inherit" model="ir.ui.view">
+            <field name="name">account.move.view.form.inherit</field>
+            <field name="model">account.move</field>
+            <field name="inherit_id" ref="account.view_move_form"/>
+            <field name="arch" type="xml">
+                <xpath expr="//notebook//page//field[@name='product_id']" position="after">
+                    <field name="book_price"/>
+                </xpath>
+            </field>
+        </record>
+    </data>
+</odoo>

book_pricelist/views/sale_order_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="sale_order_form_pricelist" model="ir.ui.view">
+        <field name="name">sale.order.inherited.form.pricelist</field>
+        <field name="model">sale.order</field>
+        <field name="inherit_id" ref="sale.view_order_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//list//field[@name='product_template_id']" position="after">
+                <field name="book_price"/>
+            </xpath>
+        </field>
+    </record>
+</odoo>