first commit

__init__.py

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+from . import models

__manifest__.py

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+{
+    "name": "POS Cash Opening Adjustment",
+    "summary": "Prevent opening cash journal entries and exclude opening float from closing totals while keeping reconciliation data.",
+    "version": "17.0.1.0.0",
+    "category": "Point of Sale",
+    "depends": ["point_of_sale"],
+    "data": [],
+    "assets": {
+        "point_of_sale.assets": [
+            "pos_cash_opening_adjustment/static/src/xml/closing_popup.xml",
+        ],
+    },
+    "installable": True,
+    "license": "LGPL-3",
+}

models/__init__.py

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+from . import pos_session

models/pos_session.py

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+# -*- coding: utf-8 -*-
+from odoo import api, fields, models
+
+
+class PosSession(models.Model):
+    _inherit = "pos.session"
+
+    opening_cash_expected = fields.Monetary(
+        string="Expected Opening Cash",
+        currency_field="currency_id",
+        readonly=True,
+        help="Forecasted cash amount in the drawer when the session is opened.",
+    )
+    opening_cash_counted = fields.Monetary(
+        string="Counted Opening Cash",
+        currency_field="currency_id",
+        readonly=True,
+        help="Actual cash amount counted by the cashier when the session is opened.",
+    )
+    opening_cash_difference = fields.Monetary(
+        string="Opening Cash Difference",
+        currency_field="currency_id",
+        compute="_compute_opening_cash_difference",
+        store=True,
+        help="Difference between the expected and the counted cash at session opening.",
+    )
+
+    @api.depends("opening_cash_expected", "opening_cash_counted")
+    def _compute_opening_cash_difference(self):
+        for session in self:
+            expected = session.opening_cash_expected or 0.0
+            counted = session.opening_cash_counted or 0.0
+            session.opening_cash_difference = counted - expected
+
+    def action_pos_session_open(self):
+        res = super().action_pos_session_open()
+        for session in self:
+            if session.config_id.cash_control:
+                session.write({
+                    "opening_cash_expected": session.cash_register_balance_start or 0.0,
+                    "opening_cash_counted": 0.0,
+                })
+            else:
+                session.write({
+                    "opening_cash_expected": 0.0,
+                    "opening_cash_counted": 0.0,
+                })
+        return res
+
+    def set_cashbox_pos(self, cashbox_value: int, notes: str):
+        for session in self:
+            expected = session.opening_cash_expected if session.config_id.cash_control else 0.0
+            if not session.config_id.cash_control:
+                expected = session.cash_register_balance_start or 0.0
+            difference = cashbox_value - (expected or 0.0)
+            session.write({
+                "state": "opened",
+                "opening_notes": notes,
+                "cash_register_balance_start": cashbox_value,
+                "opening_cash_expected": expected,
+                "opening_cash_counted": cashbox_value if session.config_id.cash_control else 0.0,
+            })
+            session._post_cash_details_message("Opening", difference, notes)
+        return True
+
+    @api.depends("payment_method_ids", "order_ids", "cash_register_balance_start", "cash_real_transaction", "statement_line_ids")
+    def _compute_cash_balance(self):
+        for session in self:
+            cash_payment_method = session.payment_method_ids.filtered("is_cash_count")[:1]
+            if cash_payment_method:
+                result = self.env["pos.payment"]._read_group(
+                    [
+                        ("session_id", "=", session.id),
+                        ("payment_method_id", "=", cash_payment_method.id),
+                    ],
+                    aggregates=["amount:sum"],
+                )
+                total_cash_payment = result[0][0] or 0.0
+                if session.state == "closed":
+                    manual_cash_total = session.cash_real_transaction or 0.0
+                else:
+                    manual_cash_total = sum(session.statement_line_ids.mapped("amount"))
+                session.cash_register_total_entry_encoding = manual_cash_total + total_cash_payment
+                session.cash_register_balance_end = session.cash_register_balance_start + session.cash_register_total_entry_encoding
+                session.cash_register_difference = session.cash_register_balance_end_real - session.cash_register_balance_end
+            else:
+                session.cash_register_total_entry_encoding = 0.0
+                session.cash_register_balance_end = 0.0
+                session.cash_register_difference = 0.0
+
+    def get_closing_control_data(self):
+        data = super().get_closing_control_data()
+        default_cash_details = data.get("default_cash_details")
+        if default_cash_details:
+            manual_moves_total = sum(move.get("amount", 0.0) for move in default_cash_details.get("moves", []))
+            payments_amount = default_cash_details.get("payment_amount") or 0.0
+            opening_expected = self.opening_cash_expected or 0.0
+            expected_total = opening_expected + payments_amount + manual_moves_total
+            session_cash_amount = payments_amount + manual_moves_total
+
+            default_cash_details.update({
+                "opening": opening_expected,
+                "opening_cash_expected": opening_expected,
+                "opening_cash_counted": self.opening_cash_counted or 0.0,
+                "opening_cash_difference": self.opening_cash_difference or 0.0,
+                "session_cash_amount": session_cash_amount,
+                "expected_amount": expected_total,
+                "amount": expected_total,
+            })
+        return data

static/src/xml/closing_popup.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<templates id="template" xml:space="preserve">
+    <t t-name="pos_cash_opening_adjustment.ClosePosPopup"
+       t-inherit="point_of_sale.ClosePosPopup"
+       t-inherit-mode="extension">
+        <xpath expr="//tbody[1]/tr/td[2]" position="replace">
+            <td class="text-muted">—</td>
+        </xpath>
+        <xpath expr="//tbody[contains(@class, 'cash-overview')]/tr[last()]" position="after">
+            <tr>
+                <td>Session cash sales & moves</td>
+                <td class="align-top"
+                    t-esc="env.utils.formatCurrency(props.default_cash_details.session_cash_amount || 0)"/>
+            </tr>
+        </xpath>
+    </t>
+</templates>