[ADD] account_invoice_move_currency: re-add module

account_invoice_move_currency/README.md

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+# Account Invoice Move Currency
+
+This module extends Odoo's accounting functionality to enable dual-currency tracking on invoices. It allows storing invoice values in a secondary currency alongside the primary invoice currency, providing better visibility for businesses operating in multi-currency environments.
+
+## Features
+
+- **Secondary Currency Tracking**: Add a secondary currency to invoices to track values in an additional currency
+- **Custom Exchange Rates**: Define specific exchange rates for the secondary currency independently from the primary currency
+- **Real-time Rate Calculation**: Automatically calculate exchange rates based on company currency and selected secondary currency
+- **Currency Change Integration**: Optionally save the original currency as secondary when changing invoice currency
+- **Multi-currency Validation**: Prevent conflicts between primary and secondary currencies with built-in validation rules
+- **Reporting Support**: Display secondary currency values on invoice reports
+
+## Configuration
+
+### Prerequisites
+
+- Ensure currency rates are configured under Accounting > Configuration > Currencies
+
+### Installation
+
+1. Install the module from the Apps menu
+2. The module will automatically extend invoice forms with secondary currency fields
+
+## Usage
+
+### Adding a Secondary Currency to an Invoice
+
+1. Navigate to Accounting > Customers > Invoices (or Vendors > Bills)
+2. Open a draft invoice
+3. In the invoice form, locate the **Secondary Currency** field (visible only with multi-currency enabled)
+4. Select a secondary currency from the dropdown
+5. The **Account Move Secondary Currency Rate** will be automatically calculated
+6. You can manually adjust the rate if needed
+7. Save the invoice
+
+### Important Constraints
+
+- **Same Currency Restriction**: The secondary currency cannot be the same as the invoice currency
+- **Company Currency Requirement**: Secondary currency can only be used when the invoice currency matches the company currency
+- If these conditions are not met, the system will display a validation error
+
+### Changing Invoice Currency
+
+When using the "Change Currency" wizard:
+
+1. Open a draft invoice
+2. Use the currency change wizard (available from `account_ux` module)
+3. Select the new currency
+4. Check the **Save in secondary currency?** option if you want to preserve the original currency as the secondary currency
+5. When changing to the company currency, this option allows tracking the original currency values
+6. Confirm the change
+
+### Example Use Case
+
+**Scenario**: A company operates in USD but wants to track invoice values in EUR for reporting purposes.
+
+1. Create an invoice with currency = USD (company currency)
+2. Set Secondary Currency = EUR
+3. The system calculates the EUR rate automatically (or enter manually)
+4. The invoice values are now tracked in both USD (primary) and EUR (secondary)
+5. The secondary currency information is available for reporting and analysis
+
+## Technical Details
+
+### Dependencies
+
+- `account_ux`: Provides extended accounting functionality and the currency change wizard
+
+### Models Extended
+
+#### account.move
+
+**New Fields:**
+- `move_currency_id`: Many2one field to store the secondary currency
+- `move_inverse_currency_rate`: Float field (16,4 digits) to store the exchange rate
+
+**Methods:**
+- `change_move_currency()`: Onchange method that calculates the exchange rate when secondary currency is selected
+- `check_move_currency()`: Constraint method that validates currency selection rules
+
+#### account.change.currency (TransientModel)
+
+**New Fields:**
+- `save_secondary_currency`: Boolean field to enable saving original currency as secondary
+- `same_currency`: Computed field to determine if target currency matches company currency
+- `currency_company_id`: Related field for company currency
+
+**Methods:**
+- `_compute_same_currency()`: Computes whether the target currency is the company currency
+- `change_currency()`: Extended to handle secondary currency preservation logic
+
+### Views
+
+- **Invoice Form View**: Adds secondary currency fields to the invoice header (visible only for invoices/bills in multi-currency setups)
+- **Change Currency Wizard**: Adds checkbox to save original currency as secondary
+- **Invoice Report**: Shows secondary currency information on printed invoices
+
+### Security
+
+No additional security groups or access rights are required beyond standard Odoo accounting permissions.
+
+## Known Issues / Limitations
+
+- Secondary currency is only available when the invoice currency is the same as the company currency
+- The secondary currency and invoice currency cannot be the same
+- Exchange rate modifications are only allowed in draft state
+
+## Bug Tracker
+
+Bugs are tracked on [GitHub Issues](https://github.com/ingadhoc/account-invoicing/issues). In case of trouble, please check there if your issue has already been reported.
+
+## Credits
+
+### Authors
+
+* ADHOC SA
+
+### Contributors
+
+* ADHOC SA <info@adhoc.com.ar>
+
+### Maintainers
+
+This module is maintained by ADHOC SA.
+
+To learn more about ADHOC SA, visit [www.adhoc.com.ar](http://www.adhoc.com.ar).
+
+## License
+
+This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.

account_invoice_move_currency/__init__.py

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+from . import models
+from . import wizards

account_invoice_move_currency/__manifest__.py

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+{
+    "name": "Account Invoice Move Currency",
+    "version": "18.0.1.0.0",
+    "author": "ADHOC SA",
+    "category": "Accounting & Finance",
+    "depends": ["account_ux"],
+    "data": [
+        "views/account_move_views.xml",
+        "views/report_invoice.xml",
+        "wizards/account_change_currency_views.xml",
+    ],
+    "website": "www.adhoc.com.ar",
+    "license": "AGPL-3",
+    "installable": True,
+    "auto_install": False,
+    "application": False,
+}

account_invoice_move_currency/models/__init__.py

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+from . import account_move

account_invoice_move_currency/models/account_move.py

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+from odoo import _, api, fields, models
+from odoo.exceptions import UserError
+
+
+class AccountMove(models.Model):
+    _inherit = "account.move"
+
+    move_currency_id = fields.Many2one(
+        "res.currency",
+        "Secondary Currency",
+        readonly=True,
+        help="If you set a currency here, then this invoice values will be also stored in the related Account Move Secondary Currency",
+    )
+
+    move_inverse_currency_rate = fields.Float(
+        digits=(16, 4), string="Account Move Secondary Currency Rate", readonly=True
+    )
+
+    @api.onchange("move_currency_id")
+    def change_move_currency(self):
+        if not self.move_currency_id:
+            self.move_inverse_currency_rate = False
+        else:
+            self.move_inverse_currency_rate = self.move_currency_id._convert(
+                1.0, self.company_id.currency_id, self.company_id, self.invoice_date or fields.Date.context_today(self)
+            )
+
+    @api.constrains("move_currency_id", "currency_id")
+    def check_move_currency(self):
+        for rec in self.filtered("move_currency_id"):
+            if rec.move_currency_id == rec.currency_id:
+                raise UserError(_("Secondary currency can not be the same as Invoice Currency"))
+            if rec.currency_id != rec.company_id.currency_id:
+                raise UserError(
+                    _("Can not use Secondary currency if invoice is in a Currency different from Company Currency")
+                )

account_invoice_move_currency/views/account_move_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record model="ir.ui.view" id="view_move_form">
+        <field name="name">account.move.view</field>
+        <field name="inherit_id" ref="account_ux.view_move_form"/>
+        <field name="model">account.move</field>
+        <field name="priority" eval="50"/>
+        <field name="arch" type="xml">
+            <div name="journal_div" position="after">
+                <label for="move_currency_id" name="Move Currency" groups="base.group_multi_currency" invisible="move_type not in ('out_invoice', 'out_refund', 'in_invoice', 'in_refund')"/>
+                <div groups="base.group_multi_currency" class="d-flex" invisible="move_type not in ('out_invoice', 'out_refund', 'in_invoice', 'in_refund')">
+                    <field name="move_currency_id" options="{'no_create': True, 'no_open': True}" class="oe_inline" readonly="state != 'draft'"/>
+                    <field name="move_inverse_currency_rate" class="oe_inline" placeholder="Rate..." invisible="not move_currency_id" readonly="state != 'draft'" required="move_currency_id"/>
+                </div>
+            </div>
+        </field>
+    </record>
+</odoo>

account_invoice_move_currency/views/report_invoice.xml

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+<odoo>
+    <template id="report_invoice_document" inherit_id="account.report_invoice_document">
+        <div name="comment" position="before">
+            <p t-if="o._fields.get('move_currency_id') and o.move_currency_id and o.move_inverse_currency_rate &gt; 0.0">
+                El total de este comprobante equivale a un total de <span t-out="o.amount_total / o.move_inverse_currency_rate" t-options="{'widget': 'monetary', 'display_currency': o.move_currency_id}"/> a un tipo de cambio consignado de <span t-field="o.move_inverse_currency_rate"/>
+            </p>
+        </div>
+    </template>
+</odoo>

account_invoice_move_currency/wizards/__init__.py

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+from . import account_change_currency

account_invoice_move_currency/wizards/account_change_currency.py

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+from odoo import api, fields, models
+
+
+class AccountChangeCurrency(models.TransientModel):
+    _inherit = "account.change.currency"
+
+    save_secondary_currency = fields.Boolean("Save in secondary currency?")
+    same_currency = fields.Boolean(compute="_compute_same_currency")
+    currency_company_id = fields.Many2one("res.currency", related="move_id.company_id.currency_id", store=True)
+
+    @api.depends("currency_company_id", "currency_to_id")
+    def _compute_same_currency(self):
+        for rec in self:
+            if rec.currency_company_id == rec.currency_to_id:
+                rec.same_currency = True
+            else:
+                rec.same_currency = False
+
+    def change_currency(self):
+        # We set it false because if you change the currency to
+        # the same as the secondary currency they can not be the same
+        if self.move_id.move_currency_id == self.currency_to_id:
+            self.move_id.move_currency_id = False
+            self.move_id.move_inverse_currency_rate = False
+        currency_from_id = self.currency_from_id
+        res = super().change_currency()
+        if self.save_secondary_currency and self.same_currency:
+            self.move_id.move_currency_id = currency_from_id.id
+            self.move_id.move_inverse_currency_rate = self.conversion_rate
+        return res

account_invoice_move_currency/wizards/account_change_currency_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="view_account_change_currency" model="ir.ui.view">
+        <field name="name">Change Currency inherit</field>
+        <field name="model">account.change.currency</field>
+        <field name="inherit_id" ref="account_ux.view_account_change_currency"/>
+        <field name="arch" type="xml">
+            <field name="conversion_rate" position="after">
+                <field name="save_secondary_currency" invisible="not same_currency"/>
+            </field>
+        </field>
+    </record>
+</odoo>