From c642ea89efe949e1b65070374d5e0c75d39ceb3f Mon Sep 17 00:00:00 2001
From: Leonardo Pistone <leonardo.pistone@camptocamp.com>
Date: Thu, 28 Apr 2016 15:09:52 +0200
Subject: [PATCH] integrate @jbeficent's prototype

---
 .../report/general_ledger.py                  |  77 +----------
 .../wizard/general_ledger_wizard.xml          |  22 ++-
 .../wizard/ledger_report_wizard.py            | 128 ++++++++++++++----
 3 files changed, 122 insertions(+), 105 deletions(-)

diff --git a/account_financial_report_qweb/report/general_ledger.py b/account_financial_report_qweb/report/general_ledger.py
index 00a51230..fc0a94cd 100644
--- a/account_financial_report_qweb/report/general_ledger.py
+++ b/account_financial_report_qweb/report/general_ledger.py
@@ -3,13 +3,12 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
 from openerp import models, fields, api
-from openerp import tools
 
 
 class FinancialReportLine(models.Model):
     _inherit = 'financial.report.line'
     _name = 'general.ledger.line'
-    _description = "General Ledger report"
+    _description = "General Ledger report line"
 
     _auto = False
     _order = 'account_id, date'
@@ -24,80 +23,6 @@ class FinancialReportLine(models.Model):
 
     label = fields.Char(compute='_get_label', readonly=True, store=False)
 
-    def init(self, cr):
-        report_name = self._name.replace('.', '_')
-        tools.drop_view_if_exists(cr, report_name)
-        query = """
-CREATE OR REPLACE VIEW %(report_name)s AS (
-  SELECT
-    acc.id AS account_id,
-    acc.code AS account_code,
-    acc.centralized,
-    ml.id,
-    ml.name,
-    ml.ref,
-    ml.date,
-    date_part('year', ml.date) || '-' || date_part('month', ml.date)
-        AS month,
-    part.ref AS partner_ref,
-    part.name AS partner_name,
-    ml.journal_id,
-    ml.currency_id,
-    cur.name AS currency_code,
-    ml.debit,
-    ml.credit,
-    ml.debit - ml.credit AS balance,
-    ml.amount_currency,
-
-    SUM(amount_currency) OVER w_account AS balance_curr,
-    SUM(debit) OVER w_account AS cumul_debit,
-    SUM(credit) OVER w_account AS cumul_credit,
-    SUM(debit - credit) OVER w_account AS cumul_balance,
-    SUM(amount_currency) OVER w_account AS cumul_balance_curr,
-
-    SUM(debit) OVER w_account - debit AS init_debit,
-    SUM(credit) OVER w_account - credit AS init_credit,
-    SUM(debit - credit) OVER w_account - (debit - credit) AS init_balance,
-    SUM(amount_currency) OVER w_account - (amount_currency)
-        AS init_balance_curr,
-
-    SUM(debit) OVER w_account_centralized AS debit_centralized,
-    SUM(credit) OVER w_account_centralized AS credit_centralized,
-    SUM(debit - credit) OVER w_account_centralized AS balance_centralized,
-    SUM(amount_currency) OVER w_account_centralized
-        AS balance_curr_centralized,
-
-    SUM(debit) OVER w_account - SUM(debit)
-        OVER w_account_centralized AS init_debit_centralized,
-    SUM(credit) OVER w_account - SUM(credit)
-        OVER w_account_centralized AS init_credit_centralized,
-    SUM(debit - credit) OVER w_account - SUM(debit - credit)
-        OVER w_account_centralized AS init_balance_centralized,
-    SUM(amount_currency) OVER w_account - SUM(amount_currency)
-        OVER w_account_centralized AS init_balance_curr_centralized,
-
-    m.name AS move_name,
-    m.state AS move_state,
-    i.number AS invoice_number
-  FROM
-    account_account AS acc
-    LEFT JOIN account_move_line AS ml ON (ml.account_id = acc.id)
-    INNER JOIN res_partner AS part ON (ml.partner_id = part.id)
-    INNER JOIN account_move AS m ON (ml.move_id = m.id)
-    LEFT JOIN account_invoice AS i ON (m.id = i.move_id)
-    LEFT JOIN res_currency AS cur ON (ml.currency_id = cur.id)
-  WINDOW w_account AS (PARTITION BY acc.code ORDER BY ml.date, ml.id),
-         w_account_centralized AS (
-           PARTITION BY acc.code,
-                        date_part('year', ml.date),
-                        date_part('month', ml.date),
-                        ml.journal_id,
-                        ml.partner_id
-           ORDER BY ml.date, ml.journal_id, ml.id)
-)
-        """ % {'report_name': report_name}
-        cr.execute(query)
-
 
 class GeneralLedgerReport(models.TransientModel):
 
diff --git a/account_financial_report_qweb/wizard/general_ledger_wizard.xml b/account_financial_report_qweb/wizard/general_ledger_wizard.xml
index 8b2cef48..aa1defbb 100644
--- a/account_financial_report_qweb/wizard/general_ledger_wizard.xml
+++ b/account_financial_report_qweb/wizard/general_ledger_wizard.xml
@@ -16,6 +16,7 @@
                             <field name="date_range_id"/>
                             <field name="date_from"/>
                             <field name="date_to"/>
+                            <field name="fy_start_date"/>
                         </group>
                         <group name="extra_info">
                             <field name="amount_currency"/>
@@ -30,7 +31,7 @@
                     <label for="account_ids"/>
                     <field name="account_ids" nolabel="1"/>
                     <footer>
-                        <button name="check_report" string="Print" type="object" default_focus="1" class="oe_highlight"/>
+                        <button name="button_view" string="View" type="object" default_focus="1" class="oe_highlight"/>
                         or
                         <button string="Cancel" class="oe_link" special="cancel" />
                     </footer>
@@ -38,6 +39,25 @@
             </field>
         </record>
 
+        <record id="ledger_report_wizard_line_tree_view"
+                model="ir.ui.view">
+            <field name="name">General Ledger Line</field>
+            <field name="model">ledger.report.wizard.line</field>
+            <field name="type">tree</field>
+            <field name="arch" type="xml">
+                 <tree string="General Ledger">
+                     <field name="date"/>
+                     <field name="account_id"/>
+                     <field name="debit"/>
+                     <field name="credit"/>
+                     <field name="init_debit"/>
+                     <field name="init_credit"/>
+                     <field name="init_balance"/>
+                     <field name="cumul_balance"/>
+                </tree>
+            </field>
+        </record>
+
         <record id="action_ledger_report_wizard" model="ir.actions.act_window">
             <field name="name">General Ledger</field>
             <field name="type">ir.actions.act_window</field>
diff --git a/account_financial_report_qweb/wizard/ledger_report_wizard.py b/account_financial_report_qweb/wizard/ledger_report_wizard.py
index 188dc678..86df55de 100644
--- a/account_financial_report_qweb/wizard/ledger_report_wizard.py
+++ b/account_financial_report_qweb/wizard/ledger_report_wizard.py
@@ -2,7 +2,7 @@
 # Author: Damien Crier
 # Copyright 2016 Camptocamp SA
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
-from openerp import models, fields, api
+from openerp import models, fields, api, _
 
 
 class LedgerReportWizard(models.TransientModel):
@@ -14,6 +14,7 @@ class LedgerReportWizard(models.TransientModel):
     date_range_id = fields.Many2one(comodel_name='date.range', required=True)
     date_from = fields.Date()
     date_to = fields.Date()
+    fy_start_date = fields.Date(default='2016-01-01')
     target_move = fields.Selection([('posted', 'All Posted Entries'),
                                     ('all', 'All Entries')],
                                    string='Target Moves',
@@ -38,22 +39,36 @@ class LedgerReportWizard(models.TransientModel):
         comodel_name='res.partner',
         string='Filter partners',
     )
+    line_ids = fields.One2many(comodel_name='ledger.report.wizard.line',
+                               inverse_name='wizard_id')
 
-    @api.multi
-    def pre_print_report(self, data):
-        data = {'form': {}}
-
-        # will be used to attach the report on the main account
-        vals = self.read(['amount_currency',
-                          'account_ids',
-                          'journal_ids',
-                          'centralize',
-                          'target_move',
-                          'date_from',
-                          'date_to',
-                          'fiscalyear'])[0]
-        data['form'].update(vals)
-        return data
+    def _query(self):
+        query = """
+              WITH view_q as (SELECT
+                ml.date,
+                acc.id AS account_id,
+                ml.debit,
+                ml.credit,
+                SUM(debit) OVER w_account - debit AS init_debit,
+                SUM(credit) OVER w_account - credit AS init_credit,
+                SUM(debit - credit) OVER w_account - (debit - credit)
+                    AS init_balance,
+                SUM(debit - credit) OVER w_account AS cumul_balance
+              FROM
+                account_account AS acc
+                LEFT JOIN account_move_line AS ml ON (ml.account_id = acc.id)
+                --INNER JOIN res_partner AS part ON (ml.partner_id = part.id)
+              INNER JOIN account_move AS m ON (ml.move_id = m.id)
+              WINDOW w_account AS (
+                  PARTITION BY acc.code ORDER BY ml.date, ml.id)
+              ORDER BY acc.id, ml.date)
+              SELECT * from view_q where date >= %s
+            """
+
+        params = (self.fy_start_date,)
+        self.env.cr.execute(query, params)
+
+        return self.env.cr.fetchall()
 
     @api.multi
     def _print_report(self, data):
@@ -80,20 +95,77 @@ class LedgerReportWizard(models.TransientModel):
         return result
 
     @api.multi
-    def check_report(self):
-        self.ensure_one()
-        data = {}
-        data['ids'] = self.env.context.get('active_ids', [])
-        data['model'] = self.env.context.get('active_model', 'ir.ui.menu')
-        data['form'] = self.read(['date_from', 'date_to',
-                                  'journal_ids', 'target_move'])[0]
-        used_context = self._build_contexts(data)
-        data['form']['used_context'] = dict(
-            used_context,
-            lang=self.env.context.get('lang', 'en_US'))
-        return self._print_report(data)
+    def button_view(self):
+        return self.process()
+
+    @api.multi
+    def process(self):
+        ledger_line_obj = self.env['ledger.report.wizard.line']
+        rows = self._query()
+        res = []
+        for row in rows:
+            data = {
+                'wizard_id': self.id,
+                'date': row[0],
+                'account_id': row[1],
+                'debit': row[2],
+                'credit': row[3],
+                'init_debit': row[4],
+                'init_credit': row[5],
+                'init_balance': row[6],
+                'cumul_balance': row[7]
+            }
+            gll = ledger_line_obj.create(data)
+            res.append(gll.id)
+
+        return {
+            'domain': [('wizard_id', '=', self.id)],
+            'name': _('Ledger lines'),
+            'view_type': 'form',
+            'view_mode': 'tree',
+            'res_model': 'ledger.report.wizard.line',
+            'view_id': False,
+            'context': False,
+            'type': 'ir.actions.act_window'
+        }
 
     @api.onchange('date_range_id')
     def onchange_date_range_id(self):
         self.date_from = self.date_range_id.date_start
         self.date_to = self.date_range_id.date_end
+
+
+class LedgerReportWizardLine(models.TransientModel):
+    _name = 'ledger.report.wizard.line'
+
+    wizard_id = fields.Many2one(comodel_name='ledger.report.wizard')
+
+    name = fields.Char()
+    ref = fields.Char()
+    date = fields.Date()
+    month = fields.Char()
+    partner_name = fields.Char()
+    partner_ref = fields.Char()
+    account_id = fields.Many2one('account.account')
+    account_code = fields.Char()
+    journal_id = fields.Many2one('account.journal')
+
+    init_credit = fields.Float()
+    init_debit = fields.Float()
+    debit = fields.Float()
+    credit = fields.Float()
+    balance = fields.Float()
+
+    cumul_credit = fields.Float()
+    cumul_debit = fields.Float()
+    cumul_balance = fields.Float()
+
+    init_credit = fields.Float()
+    init_debit = fields.Float()
+    init_balance = fields.Float()
+
+    move_name = fields.Char()
+    move_state = fields.Char()
+    invoice_number = fields.Char()
+
+    centralized = fields.Boolean()