[account_financial_report] adds the following features to Trial Balance:

- Adds 'Period balance' column
- Renames the option 'Hide accounts at 0'. Means no initial, no debit, credit
  or ending balance for the period.
- Fixes logic to remove lines with 0 activity for the period.

account_financial_report/report/general_ledger.py

@@ -1298,8 +1298,6 @@ ORDER BY
             0.0 AS final_balance
         FROM
             account_account a
-        INNER JOIN
-            account_account_type at ON a.user_type_id = at.id
         INNER JOIN
             account_move_line ml
                 ON a.id = ml.account_id
@@ -1339,12 +1337,8 @@ ORDER BY
             SELECT
                 0.0 AS initial_balance,
                 SUM(ml.balance) AS final_balance
-                """
-        sub_subquery_sum_amounts += """
                 FROM
                     account_account a
-                INNER JOIN
-                    account_account_type at ON a.user_type_id = at.id
                 INNER JOIN
                     account_move_line ml
                         ON a.id = ml.account_id

account_financial_report/report/templates/trial_balance.xml

@@ -35,7 +35,12 @@
                             <!-- Adapt -->
                             <t t-set="style" t-value="'font-size:8px;'"/>
                             <t t-set="padding" t-value="line.level * 4"/>
-                            <t t-set="style" t-value="'font-size: ' + str(14 - line.level) + 'px; margin-left: ' + str(line.level * 4) + 'px;'"/>
+                            <t t-if="o.hide_account_at_0">
+                                <t t-set="style" t-value="'font-size: 14px;'"/>
+                            </t>
+                            <t t-if="not o.hide_account_at_0">
+                                <t t-set="style" t-value="'font-size: ' + str(14 - line.level) + 'px; margin-left: ' + str(line.level * 4) + 'px;'"/>
+                            </t>
                             <t t-if="line.account_group_id">
                                 <t t-set="style" t-value="style + 'font-weight: bold; color: blue;'"/>
                             </t>              
@@ -113,8 +118,8 @@
                     <t t-if="not o.only_posted_moves">All entries</t>
                 </div>
                 <div class="act_as_cell">
-                    <t t-if="o.hide_account_balance_at_0">Hide</t>
-                    <t t-if="not o.hide_account_balance_at_0">Show</t>
+                    <t t-if="o.hide_account_at_0">Hide</t>
+                    <t t-if="not o.hide_account_at_0">Show</t>
                 </div>
             </div>
         </div>
@@ -143,6 +148,8 @@
                 <div class="act_as_cell" style="width: 9.64%;">Debit</div>
                 <!--## Credit-->
                 <div class="act_as_cell" style="width: 9.64%;">Credit</div>
+                <!--## Period balance-->
+                <div class="act_as_cell" style="width: 9.64%;">Period balance</div>
                 <!--## Ending balance-->
                 <div class="act_as_cell" style="width: 9.64%;">Ending balance</div>
                 <t t-if="foreign_currency">
@@ -359,6 +366,38 @@
                     </span>
                 </t>
             </div>
+            <!--## Period balance-->
+            <div class="act_as_cell amount">
+                <t t-if="type == 'account_type'">
+                    <t t-if="line.account_id">
+                        <t t-set="domain"
+                           t-value="[('account_id', '=', line.account_id.id),
+                                     ('date', '&gt;=', line.report_id.date_from),
+                                     ('date', '&lt;=', line.report_id.date_to)]"/>
+                        <span>
+                            <a t-att-data-domain="domain"
+                               t-att-data-res-model="'account.move.line'"
+                               class="o_account_financial_reports_web_action_monetary_multi"
+                               t-att-style="style">
+                            <t t-att-style="style" t-raw="line.period_balance" t-options="{'widget': 'monetary', 'display_currency': res_company.currency_id}"/></a>
+                        </span>
+                    </t>
+                </t>
+                <t t-if="type == 'partner_type'">
+                    <t t-set="domain"
+                       t-value="[('account_id', '=', line.report_account_id.account_id.id),
+                                 ('partner_id', '=', line.partner_id.id),
+                                 ('date', '&gt;=', line.report_account_id.report_id.date_from),
+                                 ('date', '&lt;=', line.report_account_id.report_id.date_to)]"/>
+                    <span>
+                        <a t-att-data-domain="domain"
+                           t-att-data-res-model="'account.move.line'"
+                           class="o_account_financial_reports_web_action_monetary_multi"
+                           t-att-style="style">
+                        <t t-att-style="style" t-raw="line.period_balance" t-options="{'widget': 'monetary', 'display_currency': res_company.currency_id}"/></a>
+                    </span>
+                </t>
+            </div>
             <!--## Ending balance-->
             <div class="act_as_cell amount">
                 <t t-if="type == 'account_type'">
@@ -551,6 +590,21 @@
                             <t t-att-style="style" t-raw="account.credit" t-options="{'widget': 'monetary', 'display_currency': res_company.currency_id}"/></a>
                     </span>
                 </div>
+                <!--## Period Balance -->
+                <div class="act_as_cell amount" style="width: 9.64%;">
+                    <t t-set="domain"
+                        t-value="[('account_id', '=', account.account_id.id),
+                                  ('date', '&gt;=', account.report_id.date_from),
+                                  ('date', '&lt;=', account.report_id.date_to),
+                                  ('period_balance', '&lt;&gt;', 0)]"/>
+                    <span>
+                        <a t-att-data-domain="domain"
+                           t-att-data-res-model="'account.move.line'"
+                           class="o_account_financial_reports_web_action_monetary_multi"
+                           t-att-style="style">
+                            <t t-att-style="style" t-raw="account.period_balance" t-options="{'widget': 'monetary', 'display_currency': res_company.currency_id}"/></a>
+                    </span>
+                </div>
                 <!--## Ending balance-->
                 <div class="act_as_cell amount" style="width: 9.64%;">
                     <t t-set="domain"

account_financial_report/report/trial_balance.py

@@ -24,18 +24,26 @@ class TrialBalanceReport(models.TransientModel):
     date_to = fields.Date()
     fy_start_date = fields.Date()
     only_posted_moves = fields.Boolean()
-    hide_account_balance_at_0 = fields.Boolean()
+    hide_account_at_0 = fields.Boolean()
     foreign_currency = fields.Boolean()
     company_id = fields.Many2one(comodel_name='res.company')
     filter_account_ids = fields.Many2many(comodel_name='account.account')
     filter_partner_ids = fields.Many2many(comodel_name='res.partner')
     filter_journal_ids = fields.Many2many(comodel_name='account.journal')
     show_partner_details = fields.Boolean()
-    hierarchy_on = fields.Selection([('computed', 'Computed Accounts'),
-                                     ('relation', 'Child Accounts')],
-                                    string='Hierarchy On',
-                                    required=True,
-                                    default='computed')
+    hierarchy_on = fields.Selection(
+        [('computed', 'Computed Accounts'),
+         ('relation', 'Child Accounts'),
+         ('none', 'No hierarchy')],
+        string='Hierarchy On',
+        required=True,
+        default='computed',
+        help="""Computed Accounts: Use when the account group have codes
+        that represent prefixes of the actual accounts.\n
+        Child Accounts: Use when your account groups are hierarchical.\n
+        No hierarchy: Use to display just the accounts, without any grouping.
+        """,
+    )
 
     # General Ledger Report Data fields,
     # used as base for compute the data reports
@@ -94,6 +102,7 @@ class TrialBalanceReportAccount(models.TransientModel):
     initial_balance_foreign_currency = fields.Float(digits=(16, 2))
     debit = fields.Float(digits=(16, 2))
     credit = fields.Float(digits=(16, 2))
+    period_balance = fields.Float(digits=(16, 2))
     final_balance = fields.Float(digits=(16, 2))
     final_balance_foreign_currency = fields.Float(digits=(16, 2))
 
@@ -128,6 +137,7 @@ class TrialBalanceReportPartner(models.TransientModel):
     initial_balance_foreign_currency = fields.Float(digits=(16, 2))
     debit = fields.Float(digits=(16, 2))
     credit = fields.Float(digits=(16, 2))
+    period_balance = fields.Float(digits=(16, 2))
     final_balance = fields.Float(digits=(16, 2))
     final_balance_foreign_currency = fields.Float(digits=(16, 2))
 
@@ -186,7 +196,7 @@ class TrialBalanceReportCompute(models.TransientModel):
             'date_from': self.date_from,
             'date_to': self.date_to,
             'only_posted_moves': self.only_posted_moves,
-            'hide_account_balance_at_0': self.hide_account_balance_at_0,
+            'hide_account_at_0': self.hide_account_at_0,
             'foreign_currency': self.foreign_currency,
             'company_id': self.company_id.id,
             'filter_account_ids': [(6, 0, account_ids.ids)],
@@ -220,18 +230,28 @@ class TrialBalanceReportCompute(models.TransientModel):
             self._inject_partner_values()
         if not self.filter_account_ids:
             self._inject_account_group_values()
-            if self.hierarchy_on == 'computed':
-                self._update_account_group_computed_values()
-            else:
-                self._update_account_group_child_values()
-            self._update_account_sequence()
-            self._add_account_group_account_values()
+            if self.hierarchy_on != 'none':
+                if self.hierarchy_on == 'computed':
+                    self._update_account_group_computed_values()
+                else:
+                    self._update_account_group_child_values()
+                self._update_account_sequence()
+                self._add_account_group_account_values()
         self.refresh()
-        if not self.filter_account_ids:
+        if not self.filter_account_ids and self.hierarchy_on != 'none':
             self._compute_group_accounts()
         else:
             for line in self.account_ids:
                 line.write({'level': 0})
+        if self.hide_account_at_0:
+            self.env.cr.execute("""
+            DELETE FROM report_trial_balance_account
+            WHERE report_id=%s
+            AND (initial_balance IS NULL OR initial_balance = 0)
+            AND (debit IS NULL OR debit = 0)
+            AND (credit IS NULL OR credit = 0)
+            AND (final_balance IS NULL OR final_balance = 0)
+            """, [self.id])
 
     def _inject_account_values(self, account_ids):
         """Inject report values for report_trial_balance_account"""
@@ -249,6 +269,7 @@ INSERT INTO
     initial_balance,
     debit,
     credit,
+    period_balance,
     final_balance,
     currency_id,
     initial_balance_foreign_currency,
@@ -265,6 +286,7 @@ SELECT
     coalesce(rag.initial_balance, 0) AS initial_balance,
     coalesce(rag.final_debit - rag.initial_debit, 0) AS debit,
     coalesce(rag.final_credit - rag.initial_credit, 0) AS credit,
+    coalesce(rag.final_balance - rag.initial_balance, 0) AS period_balance,
     coalesce(rag.final_balance, 0) AS final_balance,
     rag.currency_id AS currency_id,
     coalesce(rag.initial_balance_foreign_currency, 0)
@@ -278,9 +300,6 @@ FROM
 WHERE
     acc.id in %s
         """
-        if self.hide_account_balance_at_0:
-            query_inject_account += """ AND
-    final_balance IS NOT NULL AND final_balance != 0"""
         query_inject_account_params = (
             self.id,
             self.env.uid,
@@ -304,6 +323,7 @@ INSERT INTO
     initial_balance_foreign_currency,
     debit,
     credit,
+    period_balance,
     final_balance,
     final_balance_foreign_currency
     )
@@ -317,6 +337,7 @@ SELECT
     rpg.initial_balance_foreign_currency AS initial_balance_foreign_currency,
     rpg.final_debit - rpg.initial_debit AS debit,
     rpg.final_credit - rpg.initial_credit AS credit,
+    rpg.final_balance - rpg.initial_balance AS period_balance,
     rpg.final_balance AS final_balance,
     rpg.final_balance_foreign_currency AS final_balance_foreign_currency
 FROM

account_financial_report/report/trial_balance_xlsx.py

@@ -30,22 +30,26 @@ class TrialBalanceXslx(models.AbstractModel):
                     'field': 'credit',
                     'type': 'amount',
                     'width': 14},
-                5: {'header': _('Ending balance'),
+                5: {'header': _('Period balance'),
+                    'field': 'period_balance',
+                    'type': 'amount',
+                    'width': 14},
+                6: {'header': _('Ending balance'),
                     'field': 'final_balance',
                     'type': 'amount',
                     'width': 14},
             }
             if report.foreign_currency:
                 foreign_currency = {
-                    6: {'header': _('Cur.'),
+                    7: {'header': _('Cur.'),
                         'field': 'currency_id',
                         'field_currency_balance': 'currency_id',
                         'type': 'many2one', 'width': 7},
-                    7: {'header': _('Initial balance'),
+                    8: {'header': _('Initial balance'),
                         'field': 'initial_balance_foreign_currency',
                         'type': 'amount_currency',
                         'width': 14},
-                    8: {'header': _('Ending balance'),
+                    9: {'header': _('Ending balance'),
                         'field': 'final_balance_foreign_currency',
                         'type': 'amount_currency',
                         'width': 14},
@@ -67,7 +71,11 @@ class TrialBalanceXslx(models.AbstractModel):
                     'field': 'credit',
                     'type': 'amount',
                     'width': 14},
-                4: {'header': _('Ending balance'),
+                4: {'header': _('Period balance'),
+                    'field': 'period_balance',
+                    'type': 'amount',
+                    'width': 14},
+                5: {'header': _('Ending balance'),
                     'field': 'final_balance',
                     'type': 'amount',
                     'width': 14},
@@ -97,8 +105,8 @@ class TrialBalanceXslx(models.AbstractModel):
             [_('Target moves filter'),
              _('All posted entries') if report.only_posted_moves else _(
                  'All entries')],
-            [_('Account balance at 0 filter'),
-             _('Hide') if report.hide_account_balance_at_0 else _('Show')],
+            [_('Account at 0 filter'),
+             _('Hide') if report.hide_account_at_0 else _('Show')],
             [_('Show foreign currency'),
              _('Yes') if report.foreign_currency else _('No')],
         ]

account_financial_report/wizard/trial_balance_wizard.py

@@ -31,21 +31,28 @@ class TrialBalanceReportWizard(models.TransientModel):
                                    string='Target Moves',
                                    required=True,
                                    default='all')
-    hierarchy_on = fields.Selection([('computed', 'Computed Accounts'),
-                                     ('relation', 'Child Accounts')],
-                                    string='Hierarchy On',
-                                    required=True,
-                                    default='computed')
+    hierarchy_on = fields.Selection(
+        [('computed', 'Computed Accounts'),
+         ('relation', 'Child Accounts'),
+         ('none', 'No hierarchy')],
+        string='Hierarchy On',
+        required=True,
+        default='computed',
+        help="""Computed Accounts: Use when the account group have codes
+        that represent prefixes of the actual accounts.\n
+        Child Accounts: Use when your account groups are hierarchical.\n
+        No hierarchy: Use to display just the accounts, without any grouping.
+        """,
+    )
     account_ids = fields.Many2many(
         comodel_name='account.account',
         string='Filter accounts',
     )
-    hide_account_balance_at_0 = fields.Boolean(
-        string='Hide account ending balance at 0',
-        help='Use this filter to hide an account or a partner '
-             'with an ending balance at 0. '
-             'If partners are filtered, '
-             'debits and credits totals will not match the trial balance.'
+    hide_account_at_0 = fields.Boolean(
+        string='Hide accounts at 0', default=True,
+        help='When this option is enabled, the trial balance will '
+             'not display accounts that have initial balance = '
+             'debit = credit = end balance = 0',
     )
     receivable_accounts_only = fields.Boolean()
     payable_accounts_only = fields.Boolean()
@@ -114,10 +121,8 @@ class TrialBalanceReportWizard(models.TransientModel):
         """Handle partners change."""
         if self.show_partner_details:
             self.receivable_accounts_only = self.payable_accounts_only = True
-            self.hide_account_balance_at_0 = True
         else:
             self.receivable_accounts_only = self.payable_accounts_only = False
-            self.hide_account_balance_at_0 = False
 
     @api.multi
     def button_export_html(self):
@@ -155,7 +160,7 @@ class TrialBalanceReportWizard(models.TransientModel):
             'date_from': self.date_from,
             'date_to': self.date_to,
             'only_posted_moves': self.target_move == 'posted',
-            'hide_account_balance_at_0': self.hide_account_balance_at_0,
+            'hide_account_at_0': self.hide_account_at_0,
             'foreign_currency': self.foreign_currency,
             'company_id': self.company_id.id,
             'filter_account_ids': [(6, 0, self.account_ids.ids)],

account_financial_report/wizard/trial_balance_wizard_view.xml

@@ -20,7 +20,7 @@
                         </group>
                         <group name="other_filters">
                             <field name="target_move" widget="radio"/>
-                            <field name="hide_account_balance_at_0"/>
+                            <field name="hide_account_at_0"/>
                             <field name="show_partner_details"/>
                             <field name="hierarchy_on" widget="radio" attrs="{'invisible':[('show_partner_details','=',True)]}"/>
                             <field name="foreign_currency"/>