[IMP] contract: Add computed dates from/to period invoiced (#140)

contract/__manifest__.py

@@ -1,14 +1,14 @@
 # Copyright 2004-2010 OpenERP SA
 # Copyright 2014-2017 Tecnativa - Pedro M. Baeza
 # Copyright 2015 Domatix
-# Copyright 2016-2017 Tecnativa - Carlos Dauden
+# Copyright 2016-2018 Tecnativa - Carlos Dauden
 # Copyright 2017 Tecnativa - Vicent Cubells
 # Copyright 2016-2017 LasLabs Inc.
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
 {
     'name': 'Contracts Management - Recurring',
-    'version': '11.0.1.4.0',
+    'version': '11.0.1.4.1',
     'category': 'Contract Management',
     'license': 'AGPL-3',
     'author': "OpenERP SA, "

contract/models/account_analytic_account.py

@@ -1,7 +1,7 @@
 # Copyright 2004-2010 OpenERP SA
 # Copyright 2014 Angel Moya <angel.moya@domatix.com>
 # Copyright 2015 Pedro M. Baeza <pedro.baeza@tecnativa.com>
-# Copyright 2016-2017 Carlos Dauden <carlos.dauden@tecnativa.com>
+# Copyright 2016-2018 Carlos Dauden <carlos.dauden@tecnativa.com>
 # Copyright 2016-2017 LasLabs Inc.
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
@@ -162,17 +162,9 @@ class AccountAnalyticAccount(models.Model):
             return relativedelta(years=interval)
 
     @api.model
-    def _insert_markers(self, line, date_start, next_date, date_format):
-        contract = line.analytic_account_id
-        if contract.recurring_invoicing_type == 'pre-paid':
-            date_from = date_start
-            date_to = next_date - relativedelta(days=1)
-        else:
-            date_from = (date_start -
-                         self.get_relative_delta(contract.recurring_rule_type,
-                                                 contract.recurring_interval) +
-                         relativedelta(days=1))
-            date_to = date_start
+    def _insert_markers(self, line, date_format):
+        date_from = fields.Date.from_string(line.date_from)
+        date_to = fields.Date.from_string(line.date_to)
         name = line.name
         name = name.replace('#START#', date_from.strftime(date_format))
         name = name.replace('#END#', date_to.strftime(date_format))
@@ -191,16 +183,12 @@ class AccountAnalyticAccount(models.Model):
         invoice_line._onchange_product_id()
         invoice_line_vals = invoice_line._convert_to_write(invoice_line._cache)
         # Insert markers
-        name = line.name
         contract = line.analytic_account_id
-        if 'old_date' in self.env.context and 'next_date' in self.env.context:
-            lang_obj = self.env['res.lang']
-            lang = lang_obj.search(
-                [('code', '=', contract.partner_id.lang)])
-            date_format = lang.date_format or '%m/%d/%Y'
-            name = self._insert_markers(
-                line, self.env.context['old_date'],
-                self.env.context['next_date'], date_format)
+        lang_obj = self.env['res.lang']
+        lang = lang_obj.search(
+            [('code', '=', contract.partner_id.lang)])
+        date_format = lang.date_format or '%m/%d/%Y'
+        name = self._insert_markers(line, date_format)
         invoice_line_vals.update({
             'name': name,
             'account_analytic_id': contract.id,

contract/models/account_analytic_invoice_line.py

@@ -1,10 +1,12 @@
 # © 2004-2010 OpenERP SA
 # © 2014 Angel Moya <angel.moya@domatix.com>
 # © 2015 Pedro M. Baeza <pedro.baeza@tecnativa.com>
-# © 2016 Carlos Dauden <carlos.dauden@tecnativa.com>
+# © 2016-2018 Carlos Dauden <carlos.dauden@tecnativa.com>
 # Copyright 2016-2017 LasLabs Inc.
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
+from dateutil.relativedelta import relativedelta
+
 from odoo import api, fields, models
 from odoo.addons import decimal_precision as dp
 from odoo.exceptions import ValidationError
@@ -59,6 +61,16 @@ class AccountAnalyticInvoiceLine(models.Model):
         default=10,
         help="Sequence of the contract line when displaying contracts",
     )
+    date_from = fields.Date(
+        string='Date From',
+        compute='_compute_date_from',
+        help='Date from invoiced period',
+    )
+    date_to = fields.Date(
+        string='Date To',
+        compute='_compute_date_to',
+        help='Date to invoiced period',
+    )
 
     @api.multi
     @api.depends('quantity', 'price_unit', 'discount')
@@ -73,6 +85,47 @@ class AccountAnalyticInvoiceLine(models.Model):
             else:
                 line.price_subtotal = subtotal
 
+    def _compute_date_from(self):
+        # When call from template line.analytic_account_id comodel is
+        # 'account.analytic.contract',
+        if self._name != 'account.analytic.invoice.line':
+            return
+        for line in self:
+            contract = line.analytic_account_id
+            date_start = (
+                self.env.context.get('old_date') or fields.Date.from_string(
+                    contract.recurring_next_date or fields.Date.today())
+            )
+            if contract.recurring_invoicing_type == 'pre-paid':
+                date_from = date_start
+            else:
+                date_from = (date_start - contract.get_relative_delta(
+                    contract.recurring_rule_type,
+                    contract.recurring_interval) + relativedelta(days=1))
+            line.date_from = fields.Date.to_string(date_from)
+
+    def _compute_date_to(self):
+        # When call from template line.analytic_account_id comodel is
+        # 'account.analytic.contract',
+        if self._name != 'account.analytic.invoice.line':
+            return
+        for line in self:
+            contract = line.analytic_account_id
+            date_start = (
+                self.env.context.get('old_date') or fields.Date.from_string(
+                    contract.recurring_next_date or fields.Date.today())
+            )
+            next_date = (
+                self.env.context.get('next_date') or
+                date_start + contract.get_relative_delta(
+                    contract.recurring_rule_type, contract.recurring_interval)
+            )
+            if contract.recurring_invoicing_type == 'pre-paid':
+                date_to = next_date - relativedelta(days=1)
+            else:
+                date_to = date_start
+            line.date_to = fields.Date.to_string(date_to)
+
     @api.multi
     @api.constrains('discount')
     def _check_discount(self):