line: quantity_balance, validate,

reconciliation: start/end-quantity
todo: tests

__init__.py

@@ -7,10 +7,12 @@ from trytond.pool import Pool
 from .types import Type
 from .book import Book
 from .line import Line
+from .reconciliation import Reconciliation
 
 def register():
     Pool.register(
         Type,
         Book,
         Line,
+        Reconciliation,
         module='cashbook_investment', type_='model')

line.py

@@ -7,6 +7,8 @@ from decimal import Decimal
 from trytond.model import fields
 from trytond.pool import PoolMeta
 from trytond.pyson import Eval, Or, If
+from trytond.exceptions import UserError
+from trytond.i18n import gettext
 from trytond.modules.cashbook.line import STATES, DEPENDS
 
 STATESQ = {
@@ -34,11 +36,17 @@ class Line(metaclass=PoolMeta):
         digits=(16, Eval('quantity_digits', 4)),
         states=STATESQ, depends=DEPENDSQ)
     quantity_credit = fields.Numeric(string='Quantity Credit',
-        digits=(16, Eval('quantity_digits', 4)),
+        digits=(16, Eval('quantity_digits', 4)), readonly=True,
-        states=STATESQ, depends=DEPENDSQ)
+        states={
+            'invisible': STATESQ['invisible'],
+            'required': STATESQ['required'],
+        }, depends=DEPENDSQ)
     quantity_debit = fields.Numeric(string='Quantity Debit',
-        digits=(16, Eval('quantity_digits', 4)),
+        digits=(16, Eval('quantity_digits', 4)), readonly=True,
-        states=STATESQ, depends=DEPENDSQ)
+        states={
+            'invisible': STATESQ['invisible'],
+            'required': STATESQ['required'],
+        }, depends=DEPENDSQ)
 
     quantity_digits = fields.Function(fields.Integer(string='Digits',
         readonly=True, states={'invisible': True}),
@@ -55,6 +63,11 @@ class Line(metaclass=PoolMeta):
             'invisible': Eval('feature', '') != 'asset',
         }, depends=['currency_digits', 'quantity_digits', 'feature']),
         'on_change_with_asset_rate')
+    quantity_balance = fields.Function(fields.Numeric(string='Quantity',
+        digits=(16, Eval('quantity_digits', 4)),
+        help='Number of shares in the cashbook up to the current row if the default sort applies.',
+        readonly=True, depends=['quantity_digits']),
+        'on_change_with_quantity_balance')
 
     @classmethod
     def get_debit_credit(cls, values):
@@ -123,4 +136,53 @@ class Line(metaclass=PoolMeta):
             return self.cashbook.quantity_digits
         return 4
 
+    @classmethod
+    def validate(cls, lines):
+        """ deny pos/neg mismatch
+        """
+        super(Line, cls).validate(lines)
+
+        for line in lines:
+            # ignore non-asset-lines
+            if line.cashbook.feature != 'asset':
+                continue
+
+            # quantity must be set
+            if (line.quantity is None) or \
+                (line.quantity_credit is None) or \
+                (line.quantity_debit is None):
+                raise UserError(gettext(
+                    'cashbook_investment.msg_line_quantity_not_set',
+                    linetxt = line.rec_name,
+                    ))
+
+            # quantity and amount must with same sign
+            (amount_sign, a_dig, a_exp) = line.amount.as_tuple()
+            (quantity_sign, q_dig, q_exp) = line.quantity.as_tuple()
+            if amount_sign != quantity_sign:
+                raise UserError(gettext(
+                    'cashbook_investment.msg_line_sign_mismatch',
+                    linetxt = line.rec_name,
+                    ))
+
+    @classmethod
+    def write(cls, *args):
+        """ add or update quanity_debit/credit
+        """
+        actions = iter(args)
+        to_write = []
+        for lines, values in zip(actions, actions):
+            # update debit / credit
+            if len(set(values.keys()).intersection(set({'quantity', 'bookingtype'}))) > 0:
+                for line in lines:
+                    values2 = {}
+                    values2.update(values)
+                    values2.update(cls.get_debit_credit({
+                            x:values.get(x, getattr(line, x)) for x in ['quantity', 'bookingtype']
+                        }))
+                    to_write.extend([lines, values2])
+            else :
+                to_write.extend([lines, values])
+        super(Line, cls).write(*to_write)
+
 # end LineContext

locale/de.po

@@ -10,6 +10,14 @@ msgctxt "model:ir.message,text:msg_btype_asset"
 msgid "Asset"
 msgstr "Vermögenswert"
 
+msgctxt "model:ir.message,text:msg_line_quantity_not_set"
+msgid "Quantity must be set for line '%(linetxt)s'."
+msgstr "Menge für die Zeile '%(linetxt)s' muß gesetzt werden."
+
+msgctxt "model:ir.message,text:msg_line_sign_mismatch"
+msgid "Quantity and Amount must with same sign for line %(linetxt)s."
+msgstr "Menge und Betrag müssen für Zeile %(linetxt)s mit demselben Vorzeichen versehen werden."
+
 
 #################
 # cashbook.book #
@@ -124,11 +132,11 @@ msgstr "Anzahl"
 
 msgctxt "field:cashbook.line,quantity_credit:"
 msgid "Quantity Credit"
-msgstr "Anzahlgutschrift"
+msgstr "Anzahl Haben"
 
 msgctxt "field:cashbook.line,quantity_debit:"
 msgid "Quantity Debit"
-msgstr "Anzahllastschrift"
+msgstr "Anzahl Soll"
 
 msgctxt "field:cashbook.line,quantity_symbol:"
 msgid "Symbol"
@@ -137,3 +145,31 @@ msgstr "Symbol"
 msgctxt "field:cashbook.line,asset_rate:"
 msgid "Rate"
 msgstr "Kurs"
+
+msgctxt "field:cashbook.line,quantity_balance:"
+msgid "Quantity"
+msgstr "Anzahl"
+
+msgctxt "help:cashbook.line,quantity_balance:"
+msgid "Number of shares in the cashbook up to the current row if the default sort applies."
+msgstr "Anzahl Anteile im Kassenbuch bis zur aktuellen Zeile, wenn die Standardsortierung zutrifft."
+
+
+##################
+# cashbook.recon #
+##################
+msgctxt "field:cashbook.recon,start_quantity:"
+msgid "Start Quantity"
+msgstr "Anfangsmenge"
+
+msgctxt "field:cashbook.recon,end_quantity:"
+msgid "End Quantity"
+msgstr "Endmenge"
+
+msgctxt "field:cashbook.recon,quantity_digits:"
+msgid "Quantity Digits"
+msgstr "Anzahl-Dezimalstellen"
+
+msgctxt "field:cashbook.recon,quantity_uom:"
+msgid "Symbol"
+msgstr "Symbol"

locale/en.po

@@ -1,124 +1,156 @@
-#
+#
-msgid ""
+msgid ""
-msgstr "Content-Type: text/plain; charset=utf-8\n"
+msgstr "Content-Type: text/plain; charset=utf-8\n"
-
+
-msgctxt "model:ir.message,text:msg_btype_asset"
+msgctxt "model:ir.message,text:msg_btype_asset"
-msgid "Asset"
+msgid "Asset"
-msgstr "Asset"
+msgstr "Asset"
-
+
-msgctxt "view:cashbook.book:"
+msgctxt "model:ir.message,text:msg_line_quantity_not_set"
-msgid "Asset"
+msgid "Quantity must be set for line '%(linetxt)s'."
-msgstr "Asset"
+msgstr "Quantity must be set for line '%(linetxt)s'."
-
+
-msgctxt "view:cashbook.book:"
+msgctxt "model:ir.message,text:msg_line_sign_mismatch"
-msgid "Quantity"
+msgid "Quantity and Amount must with same sign for line %(linetxt)s."
-msgstr "Quantity"
+msgstr "Quantity and Amount must with same sign for line %(linetxt)s."
-
+
-msgctxt "view:cashbook.book:"
+msgctxt "view:cashbook.book:"
-msgid "Current valuation of the investment"
+msgid "Asset"
-msgstr "Current valuation of the investment"
+msgstr "Asset"
-
+
-msgctxt "field:cashbook.book,asset:"
+msgctxt "view:cashbook.book:"
-msgid "Asset"
+msgid "Quantity"
-msgstr "Asset"
+msgstr "Quantity"
-
+
-msgctxt "field:cashbook.book,quantity_digits:"
+msgctxt "view:cashbook.book:"
-msgid "Digits"
+msgid "Current valuation of the investment"
-msgstr "Digits"
+msgstr "Current valuation of the investment"
-
+
-msgctxt "help:cashbook.book,quantity_digits:"
+msgctxt "field:cashbook.book,asset:"
-msgid "Quantity Digits"
+msgid "Asset"
-msgstr "Quantity Digits"
+msgstr "Asset"
-
+
-msgctxt "help:cashbook.book,asset_uomcat:"
+msgctxt "field:cashbook.book,quantity_digits:"
-msgid "UOM Category"
+msgid "Digits"
-msgstr "UOM Category"
+msgstr "Digits"
-
+
-msgctxt "field:cashbook.book,quantity_uom:"
+msgctxt "help:cashbook.book,quantity_digits:"
-msgid "UOM"
+msgid "Quantity Digits"
-msgstr "UOM"
+msgstr "Quantity Digits"
-
+
-msgctxt "field:cashbook.book,symbol:"
+msgctxt "help:cashbook.book,asset_uomcat:"
-msgid "Symbol"
+msgid "UOM Category"
-msgstr "Symbol"
+msgstr "UOM Category"
-
+
-msgctxt "field:cashbook.book,asset_symbol:"
+msgctxt "field:cashbook.book,quantity_uom:"
-msgid "Symbol"
+msgid "UOM"
-msgstr "Symbol"
+msgstr "UOM"
-
+
-msgctxt "field:cashbook.book,quantity:"
+msgctxt "field:cashbook.book,symbol:"
-msgid "Quantity"
+msgid "Symbol"
-msgstr "Quantity"
+msgstr "Symbol"
-
+
-msgctxt "help:cashbook.book,quantity:"
+msgctxt "field:cashbook.book,asset_symbol:"
-msgid "Quantity of assets until to date"
+msgid "Symbol"
-msgstr "Quantity of assets until to date"
+msgstr "Symbol"
-
+
-msgctxt "field:cashbook.book,quantity_all:"
+msgctxt "field:cashbook.book,quantity:"
-msgid "Total Quantity"
+msgid "Quantity"
-msgstr "Total Quantity"
+msgstr "Quantity"
-
+
-msgctxt "help:cashbook.book,quantity_all:"
+msgctxt "help:cashbook.book,quantity:"
-msgid "Total quantity of all assets"
+msgid "Quantity of assets until to date"
-msgstr "Total quantity of all assets"
+msgstr "Quantity of assets until to date"
-
+
-msgctxt "field:cashbook.book,current_value:"
+msgctxt "field:cashbook.book,quantity_all:"
-msgid "Value"
+msgid "Total Quantity"
-msgstr "Value"
+msgstr "Total Quantity"
-
+
-msgctxt "help:cashbook.book,current_value:"
+msgctxt "help:cashbook.book,quantity_all:"
-msgid "Valuation of the investment based on the current stock market price."
+msgid "Total quantity of all assets"
-msgstr "Valuation of the investment based on the current stock market price."
+msgstr "Total quantity of all assets"
-
+
-msgctxt "field:cashbook.book,current_value_ref:"
+msgctxt "field:cashbook.book,current_value:"
-msgid "Value (Ref.)"
+msgid "Value"
-msgstr "Value (Ref.)"
+msgstr "Value"
-
+
-msgctxt "help:cashbook.book,current_value_ref:"
+msgctxt "help:cashbook.book,current_value:"
-msgid "Valuation of the investment based on the current stock exchange price, converted into the company currency."
+msgid "Valuation of the investment based on the current stock market price."
-msgstr "Valuation of the investment based on the current stock exchange price, converted into the company currency."
+msgstr "Valuation of the investment based on the current stock market price."
-
+
-msgctxt "field:cashbook.book,diff_amount:"
+msgctxt "field:cashbook.book,current_value_ref:"
-msgid "Difference"
+msgid "Value (Ref.)"
-msgstr "Difference"
+msgstr "Value (Ref.)"
-
+
-msgctxt "help:cashbook.book,diff_amount:"
+msgctxt "help:cashbook.book,current_value_ref:"
-msgid "Difference between acquisition value and current value"
+msgid "Valuation of the investment based on the current stock exchange price, converted into the company currency."
-msgstr "Difference between acquisition value and current value"
+msgstr "Valuation of the investment based on the current stock exchange price, converted into the company currency."
-
+
-msgctxt "field:cashbook.book,diff_percent:"
+msgctxt "field:cashbook.book,diff_amount:"
-msgid "Percent"
+msgid "Difference"
-msgstr "Percent"
+msgstr "Difference"
-
+
-msgctxt "help:cashbook.book,diff_percent:"
+msgctxt "help:cashbook.book,diff_amount:"
-msgid "percentage performance since acquisition"
+msgid "Difference between acquisition value and current value"
-msgstr "percentage performance since acquisition"
+msgstr "Difference between acquisition value and current value"
-
+
-msgctxt "field:cashbook.book,current_rate:"
+msgctxt "field:cashbook.book,diff_percent:"
-msgid "Rate"
+msgid "Percent"
-msgstr "Rate"
+msgstr "Percent"
-
+
-msgctxt "help:cashbook.book,current_rate:"
+msgctxt "help:cashbook.book,diff_percent:"
-msgid "Rate per unit of investment based on current stock exchange price."
+msgid "percentage performance since acquisition"
-msgstr "Rate per unit of investment based on current stock exchange price."
+msgstr "percentage performance since acquisition"
-
+
-msgctxt "field:cashbook.line,quantity_digits:"
+msgctxt "field:cashbook.book,current_rate:"
-msgid "Digits"
+msgid "Rate"
-msgstr "Digits"
+msgstr "Rate"
-
+
-msgctxt "field:cashbook.line,quantity:"
+msgctxt "help:cashbook.book,current_rate:"
-msgid "Quantity"
+msgid "Rate per unit of investment based on current stock exchange price."
-msgstr "Quantity"
+msgstr "Rate per unit of investment based on current stock exchange price."
-
+
-msgctxt "field:cashbook.line,quantity_credit:"
+msgctxt "field:cashbook.line,quantity_digits:"
-msgid "Quantity Credit"
+msgid "Digits"
-msgstr "Quantity Credit"
+msgstr "Digits"
-
+
-msgctxt "field:cashbook.line,quantity_debit:"
+msgctxt "field:cashbook.line,quantity:"
-msgid "Quantity Debit"
+msgid "Quantity"
-msgstr "Quantity Debit"
+msgstr "Quantity"
-
+
-msgctxt "field:cashbook.line,quantity_symbol:"
+msgctxt "field:cashbook.line,quantity_credit:"
-msgid "Symbol"
+msgid "Quantity Credit"
-msgstr "Symbol"
+msgstr "Quantity Credit"
-
+
+msgctxt "field:cashbook.line,quantity_debit:"
+msgid "Quantity Debit"
+msgstr "Quantity Debit"
+
+msgctxt "field:cashbook.line,quantity_symbol:"
+msgid "Symbol"
+msgstr "Symbol"
+
+msgctxt "field:cashbook.line,asset_rate:"
+msgid "Rate"
+msgstr "Rate"
+
+msgctxt "field:cashbook.line,quantity_balance:"
+msgid "Quantity"
+msgstr "Quantity"
+
+msgctxt "help:cashbook.line,quantity_balance:"
+msgid "Number of shares in the cashbook up to the current row if the default sort applies."
+msgstr "Number of shares in the cashbook up to the current row if the default sort applies."
+
+msgctxt "field:cashbook.recon,start_quantity:"
+msgid "Start Quantity"
+msgstr "Start Quantity"
+
+msgctxt "field:cashbook.recon,end_quantity:"
+msgid "End Quantity"
+msgstr "End Quantity"
+
+msgctxt "field:cashbook.recon,quantity_digits:"
+msgid "Quantity Digits"
+msgstr "Quantity Digits"
+

message.xml

@@ -8,6 +8,12 @@ full copyright notices and license terms. -->
         <record model="ir.message" id="msg_btype_asset">
             <field name="text">Asset</field>
         </record>
+        <record model="ir.message" id="msg_line_quantity_not_set">
+            <field name="text">Quantity must be set for line '%(linetxt)s'.</field>
+        </record>
+        <record model="ir.message" id="msg_line_sign_mismatch">
+            <field name="text">Quantity and Amount must with same sign for line %(linetxt)s.</field>
+        </record>
 
     </data>
 </tryton>

reconciliation.py

@@ -0,0 +1,100 @@
+# -*- coding: utf-8 -*-
+# This file is part of the cashbook-module from m-ds for Tryton.
+# The COPYRIGHT file at the top level of this repository contains the
+# full copyright notices and license terms.
+
+
+from trytond.pool import PoolMeta
+from trytond.model import fields
+from trytond.pyson import Eval
+from decimal import Decimal
+
+
+class Reconciliation(metaclass=PoolMeta):
+    __name__ = 'cashbook.recon'
+
+    start_quantity = fields.Numeric(string='Start Quantity',
+        readonly=True, digits=(16, Eval('quantity_digits', 4)),
+        states={
+            'required': Eval('feature', '') == 'asset',
+            'invisible': Eval('feature', '') != 'asset',
+        }, depends=['quantity_digits', 'feature'])
+    end_quantity = fields.Numeric(string='End Quantity',
+        readonly=True, digits=(16, Eval('quantity_digits', 4)),
+        states={
+            'required': Eval('feature', '') == 'asset',
+            'invisible': Eval('feature', '') != 'asset',
+        }, depends=['quantity_digits', 'feature'])
+    quantity_digits = fields.Function(fields.Integer(string='Quantity Digits'),
+        'on_change_with_quantity_digits')
+    quantity_uom = fields.Function(fields.Many2One(string='Symbol',
+        readonly=True, model_name='product.uom'),
+        'on_change_with_quantity_uom')
+
+    @fields.depends('cashbook', '_parent_cashbook.quantity_uom')
+    def on_change_with_quantity_uom(self, name=None):
+        """ get quantity-unit of asset
+        """
+        if self.cashbook:
+            if self.cashbook.quantity_uom:
+                return self.cashbook.quantity_uom.id
+
+    @fields.depends('cashbook', '_parent_cashbook.quantity_digits')
+    def on_change_with_quantity_digits(self, name=None):
+        """ quantity_digits of cashbook
+        """
+        if self.cashbook:
+            return self.cashbook.currency.digits
+        else:
+            return 4
+
+    @classmethod
+    def default_start_quantity(cls):
+        return Decimal('0.0')
+
+    @classmethod
+    def default_end_quantity(cls):
+        return Decimal('0.0')
+
+    @classmethod
+    def get_values_wfedit(cls, reconciliation):
+        """ get values for 'to_write' in wf-edit
+        """
+        values = super(Reconciliation, cls).get_values_wfedit(reconciliation)
+        values.update({
+            'start_quantity': Decimal('0.0'),
+            'end_quantity': Decimal('0.0'),
+            })
+        return values
+
+    @classmethod
+    def get_values_wfcheck(cls, reconciliation):
+        """ get values for 'to_write' in wf-check
+        """
+        values = super(Reconciliation, cls).get_values_wfcheck(reconciliation)
+
+        if reconciliation.predecessor:
+            values['start_quantity'] = reconciliation.predecessor.end_quantity
+        else :
+            values['start_quantity'] = Decimal('0.0')
+        values['end_quantity'] = values['start_quantity']
+
+        # add quantities of new lines
+        if 'lines' in values.keys():
+            if len(values['lines']) != 1:
+                raise ValueError('invalid number of values')
+
+            values['end_quantity'] += sum([
+                    x.quantity_credit - x.quantity_debit
+                        for x in values['lines'][0][1]
+                ])
+
+        # add quantities of already linked lines
+        values['end_quantity'] += sum([
+                x.quantity_credit - x.quantity_debit
+                    for x in reconciliation.lines
+            ])
+
+        return values
+
+# end Reconciliation

reconciliation.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<!-- This file is part of the cashbook-module from m-ds for Tryton.
+The COPYRIGHT file at the top level of this repository contains the
+full copyright notices and license terms. -->
+<tryton>
+    <data>
+
+        <record model="ir.ui.view" id="recon_view_form">
+            <field name="model">cashbook.recon</field>
+            <field name="inherit" ref="cashbook.recon_view_form"/>
+            <field name="name">recon_form</field>
+        </record>
+
+    </data>
+</tryton>

tests/test_book.py

@@ -531,10 +531,22 @@ class CbInvTestCase(CashbookTestCase, InvestmentTestCase):
         self.assertEqual(book.rec_name, 'Book 1 | -1.00 usd | Open')
         self.assertEqual(len(book.lines), 1)
         self.assertEqual(book.lines[0].quantity, Decimal('1.5'))
+        self.assertEqual(book.lines[0].quantity_credit, Decimal('0.0'))
+        self.assertEqual(book.lines[0].quantity_debit, Decimal('1.5'))
         self.assertEqual(len(book2.lines), 0)
         self.assertEqual(book.lines[0].rec_name, '05/01/2022|to|-1.00 usd|Transfer Out [Asset-Book | 0.00 usd | Open]')
         self.assertEqual(len(book.lines[0].references), 0)
 
+        # update quantity
+        Book.write(*[
+            [book],
+            {
+                'lines': [('write', [book.lines[0]], {'quantity': Decimal('2.5')})],
+            }])
+        self.assertEqual(book.lines[0].quantity, Decimal('2.5'))
+        self.assertEqual(book.lines[0].quantity_credit, Decimal('0.0'))
+        self.assertEqual(book.lines[0].quantity_debit, Decimal('2.5'))
+
         # check counterpart
         self.assertEqual(book.lines[0].booktransf.rec_name, 'Asset-Book | 0.00 usd | Open')
         self.assertEqual(book.lines[0].booktransf.btype.feature, 'asset')
@@ -547,9 +559,9 @@ class CbInvTestCase(CashbookTestCase, InvestmentTestCase):
         self.assertEqual(book.lines[0].rec_name, '05/01/2022|to|-1.00 usd|Transfer Out [Asset-Book | 1.00 usd | Open]')
         self.assertEqual(book.lines[0].state, 'check')
         self.assertEqual(book.lines[0].bookingtype, 'mvout')
-        self.assertEqual(book.lines[0].quantity, Decimal('1.5'))
+        self.assertEqual(book.lines[0].quantity, Decimal('2.5'))
         self.assertEqual(book.lines[0].quantity_credit, Decimal('0.0'))
-        self.assertEqual(book.lines[0].quantity_debit, Decimal('1.5'))
+        self.assertEqual(book.lines[0].quantity_debit, Decimal('2.5'))
         self.assertEqual(len(book.lines[0].references), 1)
         self.assertEqual(book.lines[0].reference, None)
         self.assertEqual(book.lines[0].references[0].id, book2.lines[0].id)
@@ -557,12 +569,78 @@ class CbInvTestCase(CashbookTestCase, InvestmentTestCase):
         self.assertEqual(len(book2.lines), 1)
         self.assertEqual(book2.lines[0].rec_name, '05/01/2022|from|1.00 usd|Transfer Out [Book 1 | -1.00 usd | Open]')
         self.assertEqual(book2.lines[0].state, 'check')
-        self.assertEqual(book2.lines[0].quantity, Decimal('1.5'))
+        self.assertEqual(book2.lines[0].quantity, Decimal('2.5'))
-        self.assertEqual(book2.lines[0].quantity_credit, Decimal('1.5'))
+        self.assertEqual(book2.lines[0].quantity_credit, Decimal('2.5'))
         self.assertEqual(book2.lines[0].quantity_debit, Decimal('0.0'))
         self.assertEqual(book2.lines[0].bookingtype, 'mvin')
-        self.assertEqual(book2.lines[0].asset_rate, Decimal('0.6667'))
+        self.assertEqual(book2.lines[0].asset_rate, Decimal('0.4'))
         self.assertEqual(book2.lines[0].reference.rec_name, '05/01/2022|to|-1.00 usd|Transfer Out [Asset-Book | 1.00 usd | Open]')
         self.assertEqual(len(book2.lines[0].references), 0)
 
+    @with_transaction()
+    def test_assetbook_check_sign_mismatch(self):
+        """ create cashbook + line, bookingtype 'in',
+            check detection of sign mismatch between quantity and amount
+        """
+        pool = Pool()
+        Book = pool.get('cashbook.book')
+        Line = pool.get('cashbook.line')
+        Category = pool.get('cashbook.category')
+        BType = pool.get('cashbook.type')
+
+        type_depot = self.prep_type('Depot', 'D')
+        BType.write(*[
+            [type_depot],
+            {
+                'feature': 'asset',
+            }])
+
+        category_in = self.prep_category(cattype='in')
+        company = self.prep_company()
+        party = self.prep_party()
+
+        asset = self.prep_asset_item(
+            company=company,
+            product = self.prep_asset_product(name='Product 1'))
+        self.assertEqual(asset.symbol, 'usd/u')
+
+        book, = Book.create([{
+            'name': 'Asset-Book',
+            'btype': type_depot.id,
+            'asset': asset.id,
+            'quantity_uom': asset.uom.id,
+            'company': company.id,
+            'currency': company.currency.id,
+            'number_sequ': self.prep_sequence().id,
+            'start_date': date(2022, 5, 1),
+            'lines': [('create', [{
+                    'date': date(2022, 5, 1),
+                    'description': 'buy some',
+                    'category': category_in.id,
+                    'bookingtype': 'in',
+                    'amount': Decimal('1.0'),
+                    'quantity': Decimal('1.5'),
+                }])],
+            }])
+
+        self.assertEqual(book.rec_name, 'Asset-Book | 1.00 usd | Open')
+        self.assertEqual(len(book.lines), 1)
+        self.assertEqual(book.lines[0].amount, Decimal('1.0'))
+        self.assertEqual(book.lines[0].credit, Decimal('1.0'))
+        self.assertEqual(book.lines[0].debit, Decimal('0.0'))
+        self.assertEqual(book.lines[0].quantity, Decimal('1.5'))
+        self.assertEqual(book.lines[0].quantity_credit, Decimal('1.5'))
+        self.assertEqual(book.lines[0].quantity_debit, Decimal('0.0'))
+
+        self.assertRaisesRegex(UserError,
+            "Quantity and Amount must with same sign for line 05/01/2022|Rev|1.00 usd|buy some [Cat1].",
+            Book.write,
+            *[
+            [book],
+            {
+                'lines': [('write', [book.lines[0]], {
+                    'quantity': Decimal('-1.5'),
+                    })],
+            }])
+
 # end CbInvTestCase

tryton.cfg

@@ -7,3 +7,4 @@ xml:
     message.xml
     book.xml
     line.xml
+    reconciliation.xml

view/line_form.xml

@@ -9,11 +9,7 @@ full copyright notices and license terms. -->
         <field name="quantity" symbol="quantity_uom"/>
         <label name="asset_rate"/>
         <field name="asset_rate" symbol="cashbook"/>
-
+        <newline/>
-        <label name="quantity_credit" />
-        <field name="quantity_credit" symbol="quantity_uom"/>
-        <label name="quantity_debit"/>
-        <field name="quantity_debit" symbol="quantity_uom"/>
 
         <field name="quantity_digits"/>
         <newline/>

view/recon_form.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0"?>
+<!-- This file is part of the cashbook-module from m-ds for Tryton.
+The COPYRIGHT file at the top level of this repository contains the
+full copyright notices and license terms. -->
+<data>
+
+    <xpath expr="/form/field[@name='end_amount']" position="after">
+        <newline/>
+        <label name="start_quantity" />
+        <field name="start_quantity" symbol="quantity_uom"/>
+        <label name="end_quantity"/>
+        <field name="end_quantity" symbol="quantity_uom"/>
+
+    </xpath>
+
+</data>