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cdw9/Folder.xml

Last active January 22, 2021 09:07
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Plone batch file download - adds a download link to folders, will create a .zip of all files or PDFs in the folder
Raw
configure.zcml
...
<browser:page
name="download_files"
for="plone.app.contenttypes.interfaces.IFolder"
permission="cmf.ModifyPortalContent"
class=".folders.DownloadFiles"
/>
...
Raw
download_files.pt
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
xmlns:tal="http://xml.zope.org/namespaces/tal"
xmlns:metal="http://xml.zope.org/namespaces/metal"
xmlns:i18n="http://xml.zope.org/namespaces/i18n"
lang="en"
metal:use-macro="context/main_template/macros/master"
i18n:domain="plone">
<body>
<metal:block fill-slot="top_slot"
tal:define="disable_column_one python:request.set('disable_plone.leftcolumn',1);
disable_column_two python:request.set('disable_plone.rightcolumn',1);" />
<metal:content-core fill-slot="content-core">
<p>Submit the form below to download a .zip of files contained in this folder.</p>
<p>This process may take a while.
If the request times out, the zip file will still be created in this folder.
Check for the new file in
<a href="${context/absolute_url}/folder_contents">folder contents</a>.</p>
<form action="">
<label for="file_type">File Types</label>
<select name="file_type" id="file_type">
<option value="pdf">PDFs only</option>
<option value="all">All files</option>
</select>
<input type="submit" name="submit" value="Submit" />
</form>
</metal:content-core>
</body>
</html>
Raw
Folder.xml
<?xml version="1.0"?>
<object
i18n:domain="plone"
meta_type="Dexterity FTI"
name="Folder"
xmlns:i18n="http://xml.zope.org/namespaces/i18n">
<action
action_id="download_files"
category="object"
condition_expr=""
i18n:attributes="title"
title="Download Files"
url_expr="string:${object_url}/download_files"
visible="True">
<permission value="Modify portal content"/>
</action>
</object>
Raw
folders.py
import os
import transaction
from datetime import datetime
from plone import api
from plone.namedfile import NamedBlobFile
from Products.Five.browser import BrowserView
from Products.Five.browser.pagetemplatefile import ViewPageTemplateFile
from Products.statusmessages.interfaces import IStatusMessage
class DownloadFiles(BrowserView):
template = ViewPageTemplateFile('templates/download_files.pt')
def __init__(self, context, request):
self.context = context
self.request = request
def __call__(self):
form = self.request.form
if not form or 'file_type' not in form:
return self.template()
from_path = '/'.join(self.context.getPhysicalPath())
files = api.content.find(
path=from_path,
portal_type='File',
)
if not files:
IStatusMessage(self.request).addStatusMessage(u"No files found!", "info")
return self.template()
today = datetime.today().strftime("%Y-%m-%d")
exp_path = 'export-{0}-{1}'.format(self.context.id, today)
if os.path.exists(exp_path):
os.system('rm -rf {}'.format(exp_path))
os.mkdir(exp_path)
for file in files:
obj = file.getObject()
if form.get('file_type') == 'pdf' and 'pdf' not in obj.file.contentType:
continue
filename = obj.file.filename
f = open(os.path.join(exp_path, filename), 'wb')
f.write(obj.file.data)
f.close()
print("Saved {}".format(filename))
os.system('zip -r {0}.zip {0}'.format(exp_path))
os.system('rm -rf {}'.format(exp_path))
zip_file = api.content.create(
type='File',
title=exp_path,
container=self.context,
)
zip_file.file = NamedBlobFile(
data=open('{}.zip'.format(exp_path), 'r'),
filename=u'{}.zip'.format(exp_path),
contentType='application/zip'
)
zip_file.reindexObject()
transaction.commit()
self.request.response.redirect(zip_file.absolute_url() + '/view')
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