[ADD] ir_attachment_download (#740)

* [ADD] ir_attachment_download

* [FIX] ir_attachment_download: test

* [FIX] ir_attachment_download_test: test pep8

* [IMP] ir_attachment_download: enable downloading + fix tests

ir_attachment_download/README.rst

@@ -0,0 +1,18 @@
+.. image:: https://img.shields.io/badge/licence-AGPL--3-blue.svg
+   :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+   :alt: License: AGPL-3
+
+====================
+Attachments download
+====================
+
+Creates action to download selected attachments
+
+
+Credits
+=======
+
+Contributors
+------------
+* Mikel Arregi <[email protected]>
+* Ana Juaristi <[email protected]>

ir_attachment_download/__init__.py

@@ -0,0 +1,2 @@
+from . import models
+from . import wizard

ir_attachment_download/__manifest__.py

@@ -0,0 +1,19 @@
+# Copyright 2019 Mikel Arregi Etxaniz - AvanzOSC
+# License AGPL-3 - See http://www.gnu.org/licenses/agpl-3.0.html
+{
+    "name": "Attachments download",
+    "version": "12.0.1.0.0",
+    "license": "AGPL-3",
+    "depends": [
+        "base",
+        "web",
+    ],
+    "author": "AvanzOSC",
+    "website": "http://www.avanzosc.es",
+    "category": "Tools",
+    "data": [
+        "wizard/attach_download_action_view.xml",
+        "views/ir_model_view.xml",
+    ],
+    "installable": True,
+}

ir_attachment_download/i18n/es.po

@@ -0,0 +1,118 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+#	* ir_attachment_download
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 12.0\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-07-29 10:26+0000\n"
+"PO-Revision-Date: 2019-07-29 10:26+0000\n"
+"Last-Translator: <>\n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__name
+msgid "Action Name"
+msgstr "Nombre de la acción"
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__attach_fields
+msgid "Attach Fields"
+msgstr "Campos"
+
+#. module: ir_attachment_download
+#: model:ir.model,name:ir_attachment_download.model_ir_attachment
+msgid "Attachment"
+msgstr "Adjunto"
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__binary_fields
+msgid "Binary Fields"
+msgstr "Campos binarios"
+
+#. module: ir_attachment_download
+#: model_terms:ir.ui.view,arch_db:ir_attachment_download.attach_download_action
+msgid "Cancel"
+msgstr "Cancelar"
+
+#. module: ir_attachment_download
+#: model_terms:ir.ui.view,arch_db:ir_attachment_download.attach_download_action
+msgid "Confirm"
+msgstr "Confirmar"
+
+#. module: ir_attachment_download
+#: model_terms:ir.ui.view,arch_db:ir_attachment_download.attach_download_action
+msgid "Create Action server"
+msgstr "Crear acción de servidor"
+
+#. module: ir_attachment_download
+#: model_terms:ir.ui.view,arch_db:ir_attachment_download.ir_model_action_creation_view
+msgid "Create Attach Downloader"
+msgstr "Crear descargador de adjuntos"
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__create_uid
+msgid "Created by"
+msgstr "Creado por"
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__create_date
+msgid "Created on"
+msgstr "Creado el"
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__display_name
+msgid "Display Name"
+msgstr "Nombre mostrado"
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__id
+msgid "ID"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action____last_update
+msgid "Last Modified on"
+msgstr "Última modificación en"
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__write_uid
+msgid "Last Updated by"
+msgstr "Última actualización por"
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__write_date
+msgid "Last Updated on"
+msgstr "Última actualización el"
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__model_id
+msgid "Model"
+msgstr "Modelo"
+
+#. module: ir_attachment_download
+#: code:addons/ir_attachment_download/models/ir_attachment.py:59
+#, python-format
+msgid "No files to download"
+msgstr "No hay archivos para descargar"
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__select_field
+msgid "Select Field"
+msgstr "Selecciona Campo"
+
+#. module: ir_attachment_download
+#: model:ir.model,name:ir_attachment_download.model_attach_download_action
+msgid "attach.download.action"
+msgstr "Asistente para crear acción de descarga"
+
+#. module: ir_attachment_download
+#: model:ir.actions.act_window,name:ir_attachment_download.action_attach_download_action
+msgid "create attach download action"
+msgstr "crear acción para descargar adjuntos"
+

ir_attachment_download/i18n/ir_attachment_download.pot

@@ -0,0 +1,118 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+#	* ir_attachment_download
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 12.0\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-07-29 10:26+0000\n"
+"PO-Revision-Date: 2019-07-29 10:26+0000\n"
+"Last-Translator: <>\n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__name
+msgid "Action Name"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__attach_fields
+msgid "Attach Fields"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model:ir.model,name:ir_attachment_download.model_ir_attachment
+msgid "Attachment"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__binary_fields
+msgid "Binary Fields"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model_terms:ir.ui.view,arch_db:ir_attachment_download.attach_download_action
+msgid "Cancel"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model_terms:ir.ui.view,arch_db:ir_attachment_download.attach_download_action
+msgid "Confirm"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model_terms:ir.ui.view,arch_db:ir_attachment_download.attach_download_action
+msgid "Create Action server"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model_terms:ir.ui.view,arch_db:ir_attachment_download.ir_model_action_creation_view
+msgid "Create Attach Downloader"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__create_uid
+msgid "Created by"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__create_date
+msgid "Created on"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__display_name
+msgid "Display Name"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__id
+msgid "ID"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action____last_update
+msgid "Last Modified on"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__write_uid
+msgid "Last Updated by"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__write_date
+msgid "Last Updated on"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__model_id
+msgid "Model"
+msgstr ""
+
+#. module: ir_attachment_download
+#: code:addons/ir_attachment_download/models/ir_attachment.py:59
+#, python-format
+msgid "No files to download"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model:ir.model.fields,field_description:ir_attachment_download.field_attach_download_action__select_field
+msgid "Select Field"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model:ir.model,name:ir_attachment_download.model_attach_download_action
+msgid "attach.download.action"
+msgstr ""
+
+#. module: ir_attachment_download
+#: model:ir.actions.act_window,name:ir_attachment_download.action_attach_download_action
+msgid "create attach download action"
+msgstr ""
+

ir_attachment_download/models/__init__.py

@@ -0,0 +1 @@
+from . import ir_attachment

ir_attachment_download/models/ir_attachment.py

@@ -0,0 +1,59 @@
+# Copyright 2019 Mikel Arregi Etxaniz - AvanzOSC
+# License AGPL-3 - See http://www.gnu.org/licenses/agpl-3.0.html
+from odoo import _, api, exceptions, fields, models
+from io import BytesIO
+import zipfile
+import base64
+
+
+class IrAttachment(models.Model):
+    _inherit = "ir.attachment"
+
+    def _generate_zip(self, files):
+        mem_zip = BytesIO()
+        with zipfile.ZipFile(mem_zip, mode="w",
+                             compression=zipfile.ZIP_DEFLATED) as zf:
+            for f in files:
+                zf.writestr(f[0], f[1])
+        zip_file = mem_zip.getvalue()
+        mem_zip.close()
+        return zip_file
+
+    @api.model
+    def _generate_zip_from_attachments(self, records,
+                                       att_fields=None):
+        files = []
+        if att_fields:
+            att_fields = self.env["ir.model.fields"].browse(att_fields)
+            for attach in records:
+                for field in att_fields:
+                    if attach[field.name]:
+                        file = base64.b64decode(attach[field.name])
+                        files.append((attach.name, file))
+        else:
+            for attach in self.env['ir.attachment'].search(
+                    [('res_model', '=', str(records._name)),
+                     ('res_id', 'in', records.ids)]):
+                file = base64.b64decode(attach.datas)
+                files.append((attach.name, file))
+        if files:
+            zip_file = self._generate_zip(files)
+            model = [("model", "=", self._context.get("active_model"))]
+            file_name = "%s/%s.zip" % (
+                (self.env["ir.model"].search(model).name or ""),
+                fields.Datetime.now())
+            attach_id = self.create({
+                'datas': base64.b64encode(zip_file),
+                'name': file_name,
+                'datas_fname': file_name,
+            })
+            file_url = "web/content/?model=ir.attachment&id=" + str(
+                attach_id.id) + "&filename_field=datas_fname&field=datas" \
+                "&download=true&filename=" + file_name,
+            return {
+                'type': 'ir.actions.act_url',
+                'url': file_url,
+                'target': 'new'
+            }
+        else:
+            raise exceptions.Warning(_("No files to download"))

ir_attachment_download/tests/__init__.py

@@ -0,0 +1 @@
+from . import test_ir_attachment

ir_attachment_download/tests/test_ir_attachment.py

@@ -0,0 +1,37 @@
+# Copyright 2019 Mikel Arregi Etxaniz - AvanzOSC
+# License AGPL-3 - See http://www.gnu.org/licenses/agpl-3.0.html
+
+import odoo.tests.common as common
+import base64
+
+
+@common.at_install(False)
+@common.post_install(True)
+class IrAttachment(common.SavepointCase):
+
+    @classmethod
+    def setUpClass(cls):
+        super(IrAttachment, cls).setUpClass()
+        cls.wiz_obj = cls.env['attach.download.action']
+        cls.attachment = cls.env['ir.attachment'].create({
+            'name': 'Attach1',
+            'datas': base64.b64encode(b"avanzosc")
+        })
+        cls.property_field = cls.env['ir.model.fields'].search([
+            ('ttype', '=', 'binary')], limit=1)
+        cls.property = cls.env['ir.property'].create({
+            'name': 'Property to test',
+            'value_binary': cls.attachment.datas,
+            'fields_id': cls.property_field.id,
+        })
+
+    def test_attachment_downloader(self):
+        wiz = self.wiz_obj.create({
+            'name': 'Download',
+            'model_id': self.env['ir.model'].search([
+                ('model', '=', 'ir.property')], limit=1).id,
+        })
+        wiz.create_action_server()
+        action = self.env['ir.actions.server'].search(
+            [('name', '=', 'Download')])
+        self.assertTrue(action)

ir_attachment_download/views/ir_model_view.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+    <record model="ir.ui.view" id="ir_model_action_creation_view">
+        <field name="model">ir.model</field>
+        <field name="inherit_id" ref="base.view_model_form" />
+        <field name="arch" type="xml">
+            <xpath expr="//sheet" position="before">
+                <header>
+                    <button name="%(action_attach_download_action)d"
+                            string="Create Attach Downloader" type="action" class="oe_highlight" />
+                </header>
+            </xpath>
+        </field>
+    </record>
+</odoo>