Changes suggested by @pedrobaeza

contract/README.rst

@@ -6,8 +6,13 @@
 Contracts for recurrent invoicing
 =================================
 
- * This module forward-port to v9 the contracts management with recurring
-   invoicing functions.
+This module forward-port to v9 the contracts management with recurring
+invoicing functions.
+
+Configuration
+=============
+
+To view discount field set *Discount on lines* in user access rights.
 
 Usage
 =====
@@ -17,12 +22,11 @@ To use this module, you need to:
 #. Go to Sales -> Contracts and select or create a new contract.
 #. Check *Generate recurring invoices automatically*.
 #. Fill fields and add new lines. You have the possibility to use markers in
-   in description field to show init date and end of invoiced period.
-#. To view discount field set *Discount on lines* in user access rights.
+   the description field to show the start and end date of the invoiced period.
 #. A cron is created with daily interval, but if you are in debug mode can
    click on *Create invoices* to force this action.
-#. Click *Show invoices* link to show all invoices created by the contract.
-#. Press *Invoices* button to show all invoices related with the contract.
+#. Click *Show recurring invoices* link to show all invoices created by the
+   contract.
 
 .. image:: https://odoo-community.org/website/image/ir.attachment/5784_f2813bd/datas
    :alt: Try me on Runbot

contract/i18n/es.po

@@ -6,8 +6,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Odoo 9.0\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2016-03-25 23:49+0000\n"
-"PO-Revision-Date: 2016-03-26 00:49+0100\n"
+"POT-Creation-Date: 2016-03-28 19:26+0000\n"
+"PO-Revision-Date: 2016-03-28 21:28+0100\n"
 "Last-Translator: Carlos Incaser <carlos@incaser.es>\n"
 "Language-Team: \n"
 "Language: es_ES\n"
@@ -49,7 +49,6 @@ msgstr "Contrato"
 
 #. module: contract
 #: model:ir.actions.act_window,name:contract.action_account_analytic_overdue_all
-#: model:ir.model.fields,field_description:contract.field_account_invoice_analytic_account_ids
 #: model:ir.ui.menu,name:contract.menu_action_account_analytic_overdue_all
 msgid "Contracts"
 msgstr "Contratos"
@@ -72,7 +71,7 @@ msgstr "Creado en"
 #. module: contract
 #: model:ir.model.fields,field_description:contract.field_account_analytic_account_recurring_next_date
 msgid "Date of Next Invoice"
-msgstr "Próximo fecha de factura"
+msgstr "Próxima fecha de factura"
 
 #. module: contract
 #: model:ir.model.fields,field_description:contract.field_account_analytic_account_date_start
@@ -95,7 +94,7 @@ msgid "Discount (%)"
 msgstr "Descuento (%)"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:56
+#: code:addons/contract/models/contract.py:59
 #, python-format
 msgid "Discount should be less or equal to 100"
 msgstr "El descuento debería ser menor o igual a 100"
@@ -140,17 +139,10 @@ msgid "Invoice Lines"
 msgstr "Líneas de factura"
 
 #. module: contract
-#: model:ir.actions.act_window,name:contract.act_analytic_invoices
 #: model:ir.actions.act_window,name:contract.act_recurring_invoices
-#: model:ir.ui.view,arch_db:contract.account_analytic_account_recurring_form_form
 msgid "Invoices"
 msgstr "Facturas"
 
-#. module: contract
-#: model:ir.ui.view,arch_db:contract.account_analytic_account_recurring_form_form
-msgid "Invoices related with this contract"
-msgstr "Facturas relacionadas con este contrato"
-
 #. module: contract
 #: model:ir.model.fields,field_description:contract.field_account_analytic_account_journal_id
 msgid "Journal"
@@ -188,7 +180,7 @@ msgid "Next Invoice"
 msgstr "Próxima factura"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:194
+#: code:addons/contract/models/contract.py:197
 #, python-format
 msgid "Please define a sale journal for the company '%s'."
 msgstr "Por favor define un diario de ventas para la compañía '%s'."
@@ -260,7 +252,7 @@ msgid "Year(s)"
 msgstr "Año(s)"
 
 #. module: contract
-#: code:addons/contract/models/contract.py:186
+#: code:addons/contract/models/contract.py:189
 #, python-format
 msgid "You must first select a Customer for Contract %s!"
 msgstr "¡Seleccione un cliente para este contrato %s!"
@@ -272,12 +264,11 @@ msgstr "account.analytic.invoice.line"
 
 #. module: contract
 #: model:ir.ui.view,arch_db:contract.account_analytic_account_recurring_form_form
-msgid "⇒ Show invoices"
-msgstr "⇒ Mostrar facturas"
+msgid "⇒ Show recurring invoices"
+msgstr "⇒ Mostrar facturas recurrentes"
 
-#, fuzzy
-#~ msgid "Recurring Invoice"
-#~ msgstr "Recurring Invoice"
+#~ msgid "Invoices related with this contract"
+#~ msgstr "Facturas relacionadas con este contrato"
 
 #~ msgid ""
 #~ "Use contracts to follow tasks, issues, timesheets or invoicing based on\n"

contract/models/contract.py

@@ -1,5 +1,8 @@
 # -*- coding: utf-8 -*-
 # © 2016 Incaser Informatica S.L. - Carlos Dauden
+# © 2015 Serv. Tecnol. Avanzados - Pedro M. Baeza
+# © 2014 Domatix Technologies  S.L. - Angel Moya <angel.moya@domatix.com>
+# © 2004-2010 OpenERP SA (<http://openerp.com>)
 # License AGPL-3 - See http://www.gnu.org/licenses/agpl-3.0.html
 
 from dateutil.relativedelta import relativedelta

contract/models/invoice.py

@@ -2,7 +2,7 @@
 # © 2016 Incaser Informatica S.L. - Carlos Dauden
 # License AGPL-3 - See http://www.gnu.org/licenses/agpl-3.0.html
 
-from openerp import api, fields, models
+from openerp import fields, models
 
 
 class AccountInvoice(models.Model):
@@ -11,16 +11,3 @@ class AccountInvoice(models.Model):
     contract_id = fields.Many2one(
         'account.analytic.account',
         string='Contract')
-    analytic_account_ids = fields.Many2many(
-        comodel_name='account.analytic.account',
-        compute='_compute_analytic_account_ids',
-        store=True,
-        string='Contracts')
-
-    @api.multi
-    @api.depends('invoice_line_ids.account_analytic_id')
-    def _compute_analytic_account_ids(self):
-        for invoice in self:
-            invoice.analytic_account_ids = invoice.mapped(
-                'invoice_line_ids.account_analytic_id'
-            )

contract/views/contract.xml

@@ -13,28 +13,12 @@
             <field name="search_view_id" ref="account.view_account_invoice_filter"/>
         </record>
 
-        <record id="act_analytic_invoices" model="ir.actions.act_window">
-            <field name="context">{'search_default_analytic_account_ids':
-                [active_id], 'default_analytic_account_ids': active_id}</field>
-            <field name="name">Invoices</field>
-            <field name="res_model">account.invoice</field>
-            <field name="domain">[('analytic_account_ids','=',active_id)]</field>
-            <field name="view_id" ref="account.invoice_tree" />
-            <field name="search_view_id" ref="account.view_account_invoice_filter" />
-        </record>
-
         <record id="account_analytic_account_recurring_form_form" model="ir.ui.view">
             <field name="name">account.analytic.account.invoice.recurring.form.inherit</field>
             <field name="model">account.analytic.account</field>
             <field name="inherit_id" ref="analytic.view_account_analytic_account_form"/>
             <field eval="40" name="priority"/>
             <field name="arch" type="xml">
-                <xpath expr='//div[@name="button_box"]' position='inside'>
-                    <button class="oe_stat_button" type="action" icon="fa-edit"
-                        name="%(contract.act_analytic_invoices)d"
-                        string="Invoices" help="Invoices related with this contract">
-                    </button>
-                </xpath>
                 <notebook position="before">
                     <separator string="Recurring Invoices" attrs="{'invisible': [('recurring_invoices','!=',True)]}"/>
                     <div>
@@ -46,7 +30,7 @@
                                 groups="base.group_no_one"/>
                         <button name="%(contract.act_recurring_invoices)d" type="action"
                                 attrs="{'invisible': [('recurring_invoices','!=',True)]}"
-                                string="⇒ Show invoices" class="oe_link"/>
+                                string="⇒ Show recurring invoices" class="oe_link"/>
                     </div>
                     <group attrs="{'invisible': [('recurring_invoices','!=',True)]}">
                         <field name="journal_id"/>