[IMP] product_pricelist: defined _compute_book_price for invoice line

Defined _compute_book_price function which will be depends on product_id,
quantity and invoice_origin
whenever above mentioned field will change on that time based on condition
book_price will be calculated

task - 4602859

Author: ppch-odoo

product_pricelist/__manifest__.py

@@ -1,16 +1,17 @@
 {
-    'name': "Book Price Pricelist",
+    'name': "Book Price (Pricelist Price)",
     'version': '1.0',
-    'depends': ['base', 'sale_management', 'account'],
+    'depends': ['base', 'sale_management'],
     'author': "ppch",
     'category': 'Category',
     'description': """
-    Book Price on Sales order line and accunt move line
+    Book Price (Pricelist Price) on sales order lines and invoice lines
+    which will be used to compare between Book Price (Pricelist Price) and manually adjusted price on the lines
     """,
     'license': "LGPL-3",
     'data': [
         'views/sale_order_line_views.xml',
         'views/account_move_line_views.xml',
     ],
     'installable': True,
-}
+}

product_pricelist/models/account_move_line.py

@@ -4,13 +4,19 @@
 class AccountMoveLine(models.Model):
     _inherit = "account.move.line"
 
-    book_price = fields.Float(
-        string="Book Price",
-        compute="_compute_book_price",
-        store=True
-    )
+    book_price = fields.Float(string="Book Price", compute="_compute_book_price", store=True)
 
     @api.depends('product_id', 'quantity', 'move_id.invoice_origin')
     def _compute_book_price(self):
-        pass
-        #define
+        for record in self:
+            if not record.product_id:
+                record.book_price = 0.0
+                continue
+
+            sale_order = self.env['sale.order'].search([('name', '=', record.move_id.invoice_origin)], limit=1)
+            if sale_order:
+                record.book_price = sale_order.pricelist_id._get_product_price(
+                    record.product_id, record.quantity
+                ) * record.quantity
+            else:
+                record.book_price = record.product_id.lst_price * record.quantity

product_pricelist/models/sale_order_line.py

@@ -4,16 +4,19 @@
 class SaleOrderLine(models.Model):
     _inherit = "sale.order.line"
 
-    book_price = fields.Float(
-        string="Book Price",
-        compute="_compute_book_price",
-        store=True
-    )
+    book_price = fields.Float(string="Book Price", compute="_compute_book_price", store=True)
 
-    @api.depends('product_id', 'product_uom_qty')
+    @api.depends('product_id', 'product_uom_qty', 'order_id.pricelist_id')
     def _compute_book_price(self):
         for record in self:
             if not record.product_id:
                 record.book_price = 0.0
+                continue
+
+            pricelist = record.order_id.pricelist_id if record.order_id else None
+            if pricelist:
+                record.book_price = pricelist._get_product_price(
+                    record.product_id, record.product_uom_qty
+                ) * record.product_uom_qty
             else:
-                record.book_price = record._get_pricelist_price() * record.product_uom_qty
+                record.book_price = record.product_id.lst_price * record.product_uom_qty

product_pricelist/views/account_move_line_views.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <odoo>
-    <record id="account_move_form_inherite_book_price" model="ir.ui.view">
+    <record id="account_move_form_inherit_book_price" model="ir.ui.view">
         <field name="name">account.move.form.inherite.book.price</field>
         <field name="model">account.move</field>
         <field name="inherit_id" ref="account.view_move_form"/>

product_pricelist/views/sale_order_line_views.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <odoo>
-    <record id="sale_order_form_inherite_book_price" model="ir.ui.view">
+    <record id="sale_order_form_inherit_book_price" model="ir.ui.view">
         <field name="name">sale.order.form.inherite.book.price</field>
         <field name="model">sale.order</field>
         <field name="inherit_id" ref="sale.view_order_form"/>