[13.0][add][account_move_line_used_currency]

account_move_line_used_currency/__init__.py

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+from . import models
+from .init_hooks import pre_init_hook

account_move_line_used_currency/__manifest__.py

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+# Copyright 2021 ForgeFlow, S.L.
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+{
+    "name": "Account Move Line Amount Currency",
+    "version": "13.0.1.0.0",
+    "author": "ForgeFlow, Odoo Community Association (OCA)",
+    "category": "Accounts",
+    "license": "LGPL-3",
+    "depends": ["account"],
+    "data": ["views/account_move_line_view.xml"],
+    "pre_init_hook": "pre_init_hook",
+    "installable": True,
+}

account_move_line_used_currency/init_hooks.py

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+# Copyright 2021 ForgeFlow, S.L.
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+import logging
+
+try:
+    from openupgradelib import openupgrade
+except Exception:
+    from odoo.tools import sql as openupgrade
+
+_logger = logging.getLogger(__name__)
+
+
+def pre_init_hook(cr):
+    _logger.info(
+        "Pre-creating column amount_used_currency for table " "account_move_line"
+    )
+    if not openupgrade.column_exists(cr, "account_move_ine", "amount_used_currency"):
+        cr.execute(
+            """
+            ALTER TABLE account_move_line
+            ADD COLUMN amount_used_currency float;
+            COMMENT ON COLUMN account_move_line.amount_used_currency
+            IS 'Amount (Used Currency)';
+            """
+        )
+    _logger.info("Pre-creating column used_currency_id for table account_move_line")
+    if not openupgrade.column_exists(cr, "account_move_ine", "used_currency_id"):
+        cr.execute(
+            """
+            ALTER TABLE account_move_line
+            ADD COLUMN used_currency_id INTEGER;
+            COMMENT ON COLUMN account_move_line.used_currency_id
+            IS 'Used Currency';
+            """
+        )
+    _logger.info(
+        "Pre-computing the value of amount_used_currency "
+        "and used_currency_id to speed up the installation"
+    )
+    cr.execute(
+        """
+        UPDATE account_move_line
+        SET amount_used_currency = balance,
+        used_currency_id = company_currency_id
+        WHERE currency_id IS NULL;
+        """
+    )
+    cr.execute(
+        """
+        UPDATE account_move_line
+        SET amount_used_currency = amount_currency,
+        used_currency_id = currency_id
+        WHERE currency_id IS NOT NULL;
+        """
+    )

account_move_line_used_currency/models/__init__.py

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+from . import account_move_line

account_move_line_used_currency/models/account_move_line.py

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+# Copyright 2021 ForgeFlow, S.L.
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+
+from odoo import api, fields, models
+
+
+class AccountMoveLine(models.Model):
+    _inherit = "account.move.line"
+
+    amount_used_currency = fields.Monetary(
+        string="Amount (Used Currency)",
+        compute="_compute_used_currency",
+        store=True,
+        help="This amount is the foreign amount currency, if used, and the "
+        "company currency, if no foreign currency is used. It's purpose"
+        "is to allow reporting on journal items combining foreign "
+        "and company currencies.",
+    )
+    used_currency_id = fields.Many2one(
+        "res.currency",
+        string="Used Currency",
+        compute="_compute_used_currency",
+        store=True,
+        help="Used currency of the journal item. It is the foreign currency, "
+        "or the company currency, where the foreign currency has not "
+        "been used.",
+    )
+
+    @api.depends(
+        "currency_id", "company_currency_id", "debit", "credit", "amount_currency"
+    )
+    def _compute_used_currency(self):
+        for rec in self:
+            if rec.currency_id:
+                rec.amount_used_currency = rec.amount_currency
+                rec.used_currency_id = rec.currency_id
+            else:
+                rec.amount_used_currency = rec.balance
+                rec.used_currency_id = rec.company_currency_id

account_move_line_used_currency/readme/CONTRIBUTORS.rst

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+* `ForgeFlow <https://www.forgeflow.com>`_:
+
+  * Jordi Ballester Alomar

account_move_line_used_currency/readme/DESCRIPTION.rst

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+This module introduces to journal items two new fields:
+
+* Amount (Used Currency)
+
+* Used Currency
+
+When the jounal item is expressed in foreign currency, those fields will be
+computed with the amount in foregign currency. Otherwise the company currency
+and balance in company currency is filled in.
+
+Those fields are useful for reporting purposes. For example, in an
+intercompany context company A (that operates using USD) sells to company B
+(that operates using EUR) in EUR, and you want to be able to compare the
+balances in a common account across the two companies, using the same
+currency EUR.

account_move_line_used_currency/views/account_move_line_view.xml

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+<?xml version="1.0" encoding="utf-8" ?>
+<!-- Copyright 2021 ForgeFlow, S.L.
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl). -->
+<odoo>
+    <record id="view_move_line_form" model="ir.ui.view">
+        <field name="name">account.move.line.form</field>
+        <field name="model">account.move.line</field>
+        <field name="inherit_id" ref="account.view_move_line_form" />
+        <field name="arch" type="xml">
+            <field name="amount_currency" position="after">
+                <field name="amount_used_currency" />
+                <field name="used_currency_id" />
+            </field>
+        </field>
+    </record>
+    <record id="view_move_line_tree" model="ir.ui.view">
+        <field name="name">account.move.line.tree</field>
+        <field name="model">account.move.line</field>
+        <field name="inherit_id" ref="account.view_move_line_tree" />
+        <field name="arch" type="xml">
+            <field name="company_currency_id" position="after">
+                <field
+                    name="amount_used_currency"
+                    groups="base.group_multi_currency"
+                    optional="hide"
+                />
+                <field
+                    name="used_currency_id"
+                    groups="base.group_multi_currency"
+                    optional="hide"
+                />
+            </field>
+        </field>
+    </record>
+</odoo>

setup/account_move_line_used_currency/odoo/addons/account_move_line_used_currency

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+../../../../account_move_line_used_currency

setup/account_move_line_used_currency/setup.py

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+import setuptools
+
+setuptools.setup(
+    setup_requires=['setuptools-odoo'],
+    odoo_addon=True,
+)