changeset 66c33dbf6f53 in modules/account_stock_landed_cost:default
details: 
https://hg.tryton.org/modules/account_stock_landed_cost?cmd=changeset&node=66c33dbf6f53
description:
        Show cost allocation before and after posting

        issue11558
        review413301003
diffstat:

 CHANGELOG                                    |    2 +
 __init__.py                                  |    6 +
 account.py                                   |  129 ++++++++++++++++++++++++--
 account.xml                                  |   32 ++++++-
 tests/scenario_account_stock_landed_cost.rst |   16 +++-
 view/landed_cost_form.xml                    |    3 +-
 view/landed_cost_show_form.xml               |    9 +
 view/landed_cost_show_move_list.xml          |    7 +
 8 files changed, 188 insertions(+), 16 deletions(-)

diffs (345 lines):

diff -r bbcd99537680 -r 66c33dbf6f53 CHANGELOG
--- a/CHANGELOG Wed May 11 11:26:36 2022 +0200
+++ b/CHANGELOG Mon Jul 18 00:16:26 2022 +0200
@@ -1,3 +1,5 @@
+* Show cost allocation before and after posting
+
 Version 6.4.0 - 2022-05-02
 * Bug fixes (see mercurial logs for details)
 * Add support for Python 3.10
diff -r bbcd99537680 -r 66c33dbf6f53 __init__.py
--- a/__init__.py       Wed May 11 11:26:36 2022 +0200
+++ b/__init__.py       Mon Jul 18 00:16:26 2022 +0200
@@ -16,6 +16,12 @@
         account.LandedCost_Shipment,
         account.LandedCost_ProductCategory,
         account.LandedCost_Product,
+        account.LandedCostShow,
+        account.LandedCostShowMove,
         account.InvoiceLine,
         stock.Move,
         module='account_stock_landed_cost', type_='model')
+    Pool.register(
+        account.PostLandedCost,
+        account.ShowLandedCost,
+        module='account_stock_landed_cost', type_='wizard')
diff -r bbcd99537680 -r 66c33dbf6f53 account.py
--- a/account.py        Wed May 11 11:26:36 2022 +0200
+++ b/account.py        Mon Jul 18 00:16:26 2022 +0200
@@ -8,11 +8,12 @@
 from trytond.i18n import gettext
 from trytond.model import MatchMixin, ModelSQL, ModelView, Workflow, fields
 from trytond.modules.company.model import CompanyValueMixin
-from trytond.modules.product import round_price
+from trytond.modules.product import price_digits, round_price
 from trytond.pool import Pool, PoolMeta
 from trytond.pyson import Eval, Id
 from trytond.tools.multivalue import migrate_property
 from trytond.transaction import Transaction
+from trytond.wizard import Button, StateTransition, StateView, Wizard
 
 from .exceptions import FilterUnusedWarning, NoMoveWarning
 
@@ -169,10 +170,14 @@
                     'invisible': Eval('state') != 'cancelled',
                     'depends': ['state'],
                     },
-                'post': {
+                'post_wizard': {
                     'invisible': Eval('state') != 'draft',
                     'depends': ['state'],
                     },
+                'show': {
+                    'invisible': Eval('state').in_(['draft', 'cancelled']),
+                    'depends': ['state']
+                    },
                 })
 
     @classmethod
@@ -290,13 +295,18 @@
                             product=product.rec_name))
 
     def allocate_cost_by_value(self):
-        self.factors = self._get_value_factors()
+        self.factors = self._get_factors('value')
         self._allocate_cost(self.factors)
 
     def unallocate_cost_by_value(self):
-        factors = self.factors or self._get_value_factors()
+        factors = self.factors or self._get_factors('value')
         self._allocate_cost(factors, sign=-1)
 
+    def _get_factors(self, method=None):
+        if method is None:
+            method = self.allocation_method
+        return getattr(self, '_get_%s_factors' % method)()
+
     def _get_value_factors(self):
         "Return the factor for each move based on value"
         pool = Pool()
@@ -325,17 +335,10 @@
                     quantity * unit_prices[move.id] / sum_value)
         return factors
 
-    def _allocate_cost(self, factors, sign=1):
-        "Allocate cost on moves using factors"
+    def _costs_to_allocate(self, moves, factors):
         pool = Pool()
         Move = pool.get('stock.move')
-        Currency = pool.get('currency.currency')
-        assert sign in {1, -1}
-
         cost = self.cost
-        currency = self.company.currency
-        moves = [m for m in self.stock_moves() if m.quantity]
-
         costs = []
         digit = Move.unit_price.digits[1]
         exp = Decimal(str(10.0 ** -digit))
@@ -360,6 +363,18 @@
                 difference -= exp * quantity
             if difference < exp:
                 break
+        return costs
+
+    def _allocate_cost(self, factors, sign=1):
+        "Allocate cost on moves using factors"
+        pool = Pool()
+        Move = pool.get('stock.move')
+        Currency = pool.get('currency.currency')
+        assert sign in {1, -1}
+
+        currency = self.company.currency
+        moves = [m for m in self.stock_moves() if m.quantity]
+        costs = self._costs_to_allocate(moves, factors)
 
         for cost in costs:
             move = cost['move']
@@ -376,7 +391,18 @@
         Move.save(moves)
 
     @classmethod
-    @ModelView.button
+    @ModelView.button_action(
+        'account_stock_landed_cost.wizard_landed_cost_post')
+    def post_wizard(cls, landed_costs):
+        pass
+
+    @classmethod
+    @ModelView.button_action(
+        'account_stock_landed_cost.wizard_landed_cost_show')
+    def show(cls, landed_costs):
+        pass
+
+    @classmethod
     @Workflow.transition('posted')
     def post(cls, landed_costs):
         pool = Pool()
@@ -459,6 +485,83 @@
         'product.product', "Product", required=True, ondelete='CASCADE')
 
 
+class ShowLandedCostMixin(Wizard):
+    start_state = 'show'
+    show = StateView('account.landed_cost.show',
+        'account_stock_landed_cost.landed_cost_show_view_form', [])
+
+    @property
+    def factors(self):
+        return self.record._get_factors()
+
+    def default_show(self, fields):
+        moves = []
+        default = {
+            'cost': round_price(self.record.cost),
+            'moves': moves,
+            }
+        stock_moves = [m for m in self.record.stock_moves() if m.quantity]
+        costs = self.record._costs_to_allocate(stock_moves, self.factors)
+        for cost in costs:
+            moves.append({
+                    'move': cost['move'].id,
+                    'cost': round_price(
+                        cost['unit_landed_cost'], rounding=ROUND_HALF_EVEN),
+                    })
+        return default
+
+
+class PostLandedCost(ShowLandedCostMixin):
+    "Post Landed Cost"
+    __name__ = 'account.landed_cost.post'
+    post = StateTransition()
+
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls.show.buttons.extend([
+                Button("Cancel", 'end', 'tryton-cancel'),
+                Button("Post", 'post', 'tryton-ok', default=True),
+                ])
+
+    def transition_post(self):
+        self.model.post([self.record])
+        return 'end'
+
+
+class ShowLandedCost(ShowLandedCostMixin):
+    "Show Landed Cost"
+    __name__ = 'account.landed_cost.show'
+
+    @classmethod
+    def __setup__(cls):
+        super().__setup__()
+        cls.show.buttons.extend([
+                Button("Close", 'end', 'tryton-close', default=True),
+                ])
+
+    @property
+    def factors(self):
+        return self.record.factors or super().factors
+
+
+class LandedCostShow(ModelView):
+    "Landed Cost Show"
+    __name__ = 'account.landed_cost.show'
+
+    cost = fields.Numeric("Cost", digits=price_digits, readonly=True)
+    moves = fields.One2Many(
+        'account.landed_cost.show.move', None, "Moves", readonly=True)
+
+
+class LandedCostShowMove(ModelView):
+    "Landed Cost Show"
+    __name__ = 'account.landed_cost.show.move'
+
+    move = fields.Many2One('stock.move', "Move", readonly=True)
+    cost = fields.Numeric("Cost", digits=price_digits, readonly=True)
+
+
 class InvoiceLine(metaclass=PoolMeta):
     __name__ = 'account.invoice.line'
     landed_cost = fields.Many2One('account.landed_cost', 'Landed Cost',
diff -r bbcd99537680 -r 66c33dbf6f53 account.xml
--- a/account.xml       Wed May 11 11:26:36 2022 +0200
+++ b/account.xml       Mon Jul 18 00:16:26 2022 +0200
@@ -127,13 +127,19 @@
         </record>
 
         <record model="ir.model.button" id="landed_cost_post_button">
-            <field name="name">post</field>
+            <field name="name">post_wizard</field>
             <field name="string">Post</field>
             <field name="confirm" eval="None"/>
             <field name="model"
                 search="[('model', '=', 'account.landed_cost')]"/>
         </record>
 
+        <record model="ir.model.button" id="landed_cost_show_button">
+            <field name="name">show</field>
+            <field name="string">Show</field>
+            <field name="model" search="[('model', '=', 
'account.landed_cost')]"/>
+        </record>
+
         <record model="ir.model.button" id="landed_cost_draft_button">
             <field name="name">draft</field>
             <field name="string">Draft</field>
@@ -153,6 +159,30 @@
             <field name="rule_group" ref="rule_group_landed_cost_companies"/>
         </record>
 
+        <record model="ir.action.wizard" id="wizard_landed_cost_post">
+            <field name="name">Post Landed Cost</field>
+            <field name="wiz_name">account.landed_cost.post</field>
+            <field name="model">account.landed_cost</field>
+        </record>
+
+        <record model="ir.action.wizard" id="wizard_landed_cost_show">
+            <field name="name">Show Landed Cost</field>
+            <field name="wiz_name">account.landed_cost.show</field>
+            <field name="model">account.landed_cost</field>
+        </record>
+
+        <record model="ir.ui.view" id="landed_cost_show_view_form">
+            <field name="model">account.landed_cost.show</field>
+            <field name="type">form</field>
+            <field name="name">landed_cost_show_form</field>
+        </record>
+
+        <record model="ir.ui.view" id="landed_cost_show_move_view_list">
+            <field name="model">account.landed_cost.show.move</field>
+            <field name="type">tree</field>
+            <field name="name">landed_cost_show_move_list</field>
+        </record>
+
         <record model="ir.ui.view" id="invoice_line_view_form">
             <field name="model">account.invoice.line</field>
             <field name="inherit" 
ref="account_invoice.invoice_line_view_form"/>
diff -r bbcd99537680 -r 66c33dbf6f53 
tests/scenario_account_stock_landed_cost.rst
--- a/tests/scenario_account_stock_landed_cost.rst      Wed May 11 11:26:36 
2022 +0200
+++ b/tests/scenario_account_stock_landed_cost.rst      Mon Jul 18 00:16:26 
2022 +0200
@@ -166,7 +166,13 @@
     >>> landed_cost.save()
     >>> landed_cost.state
     'draft'
-    >>> landed_cost.click('post')
+
+    >>> post_landed_cost = Wizard('account.landed_cost.post', [landed_cost])
+    >>> post_landed_cost.form.cost
+    Decimal('10.0000')
+    >>> sorted([m.cost for m in post_landed_cost.form.moves])
+    [Decimal('1.0000')]
+    >>> post_landed_cost.execute('post')
     >>> landed_cost.state
     'posted'
     >>> bool(landed_cost.posted_date)
@@ -174,6 +180,14 @@
     >>> bool(landed_cost.factors)
     True
 
+Show landed cost::
+
+    >>> show_landed_cost = Wizard('account.landed_cost.show', [landed_cost])
+    >>> show_landed_cost.form.cost
+    Decimal('10.0000')
+    >>> sorted([m.cost for m in show_landed_cost.form.moves])
+    [Decimal('1.0000')]
+
 Check move unit price is 101::
 
     >>> shipment.reload()
diff -r bbcd99537680 -r 66c33dbf6f53 view/landed_cost_form.xml
--- a/view/landed_cost_form.xml Wed May 11 11:26:36 2022 +0200
+++ b/view/landed_cost_form.xml Mon Jul 18 00:16:26 2022 +0200
@@ -21,6 +21,7 @@
     <group col="-1" colspan="2" id="buttons">
         <button name="cancel" icon="tryton-cancel"/>
         <button name="draft" icon="tryton-clear"/>
-        <button name="post" icon="tryton-ok"/>
+        <button name="post_wizard" icon="tryton-ok"/>
+        <button name="show" icon="tryton-search"/>
     </group>
 </form>
diff -r bbcd99537680 -r 66c33dbf6f53 view/landed_cost_show_form.xml
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/view/landed_cost_show_form.xml    Mon Jul 18 00:16:26 2022 +0200
@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<form>
+    <label name="cost"/>
+    <field name="cost"/>
+
+    <field name="moves" mode="tree" colspan="4"/>
+</form>
diff -r bbcd99537680 -r 66c33dbf6f53 view/landed_cost_show_move_list.xml
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/view/landed_cost_show_move_list.xml       Mon Jul 18 00:16:26 2022 +0200
@@ -0,0 +1,7 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<tree>
+    <field name="move" expand="1"/>
+    <field name="cost"/>
+</tree>

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