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pypm install collective.subscribablesections

How to install collective.subscribablesections

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  2. Open Command Prompt
  3. Type pypm install collective.subscribablesections
 Python 2.7Python 3.2Python 3.3
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Lastest release
version 1.0 on Jan 9th, 2014


Closed sections

This products is intended to solve the use case for "closed sections", which are described as "sections for which a subscription is necessary". This is rather a broad issue, and as is often the case, the details will probably be filled in later, but i'm sure the use case will sound familiar to a lot of people.

The standard Plone functionality does a good job: making folder private takes care of security, and it's easy to share the folder with a user (or group).

What's missing for the use case is, in my opinion:

  • a way for Managers to mark certain folders as being a "closed section"
  • for Members, a list of subscribable "sections"
    • a mechanism for users to request a "subscription"
    • a way for Managers to approve subscriptions
  • a list of users's "subscriptions"

These are all fairly minor things, which should work easily with Plone's functionality.

It seems there's nothing around yet that works for Plone 4 (we're targeting 4.2). I've looked at collective.groupspaces.* briefly, but it looks too big. collective.groupspaces.content adds a content type (subclasses ATFolder), which i don't like. And it appears not to work for Plone 4, though i haven't tried installing it yet.

Open sections

In addition, there is also a use case for "Open sections". These work in the same way, except that after a subscription request, subscription is granted immediately.

User Stories

We have these User Stories, and suggested implementations:

  1. [V] Mark as Subscribable: solve by sticking an extra interface on a Folder, possibly use p4a.subtyper

  2. [V] List of Subscribable Sections: create a Portlet

    1. [V] Request a subscription: View + Annotation storage on the Folder
      1. [V] List subscription requests in a Portlet
      2. [V] Manage requests from View on Folder
  3. [V] List of Member's subscriptions: a View.

    1. [ ] ??? Change display names for Open/Closed Sections
    2. [ ] ??? Give Open/Closed Sections a one-state workflow
  4. [V] Custom "Insufficient privileges" message: When trying to view a

    "Closed Section", display a different message. Link to subscription request View.

    1. [ ] Remove own subscription request:
    2. [ ] Remove own subscription (protected by extra click):
  5. [V] Get view permission when subscription is granted: Grant Member

    the Reader Role on the Folder a. [V] after subscription approval on a Closed Section b. [V] immediately after request on an Open Section

  6. [ ] Support for delegating more than one Role

[V]: done
[ ]: open
[W]: work in progress

Getting started

Marking a Folder as a Subscribable Section

After installation, you (The Manager) should see an extra button "Sub-types" (next to "Actions") on Folders. Here, you can mark the Folder as being an "Open" or "Closed" section. We will assume you create an Open Section first, in the site root. It will be Private by default, otherwise make it so. Note that the title and description will be exposed, to provide potential subscribers some information about what they're signing up for.

After marking the Folder as a Subscribable Section in this manner, an extra tab "Subscriptions" appears (next to "Sharing"). Here you can view subscriptions and subscription requests for the Subscribable Section.

Also, you should see a portlet in the right column which shows your recently created "Open Section". The portlet was added when the product was installed, and only shows when there are Subscribable Sections.

Subscribing to an Open Section

A Member without any further privileges won't see the Open Section in the site's sections menu, but will see it in the portlet. Clicking it takes you to it. You'll be redirected to the Plone's insufficient_privileges form, which is patched to not display the "Insufficient Privileges" message, but which instead tells you that this is a Section for which a subscription is required, and there'll be a link to subscribe to the Section. The title and description of the Section will be visible, so you know what the Section is about..

Clicking the subscription link on the Open Section will immediately grant you the Reader role on the Section. You'll be redirected to the default view of the Section, and a portal message will tell you your subscription was succesful.

Viewing and removing subscriptions

As the Manager, you will now see this member's subscription in the "Subscriptions" overview. You will also find the user has the "Reader" role under the Sharing tab.

If there are members in the Sharing list that are not in the Subscribers list, it means that they have not been added via this product. You can only manage these members through Plone's Sharing form (and not via our "Manage subscriptions" screen), because these members are not subscribers.

If you revoke a subscriber's Reader role from the Sharing tab, the subscriber will also not show up as a subscriber in the "Manage subscriptions" screen anymore.

In this form, you can check the box to remove the subscription. Submit the form, and you'll see the subscription has disappeared. If you look under "Sharing", you'll notice the Reader role has also been removed.

Subscribing to a Closed Section

This is similar to subscribing to an Open Section, but after subscribing you'll see a list of your subscriptions. The top of the screen shows a message which says that your subscription request has been added.

As a manager, you will see this request in the "Subscription requests" portlet which was also added to the right column upon product installation. Clicking the link will take you to the Section's "Manage subscriptions" page.

Approving subscriptions

On the subscriptions management form of the Closed Section, the Manager will see a list of subscription requests. Checking the box in the "Approve" column and submitting the form will approve the request: You'll see a portal message saying the subscription was approved. You'll see the user has been moved from the "Requests" to the "Subscriptions" list. Looking at the "Sharing", you'll notice the user has been granted the Reader role.


Kees Hink Kim Chee Leong


1.0 (2012-06-13)
  • Stable release
0.2dvl (unreleased)
  • Changed template fill-slot definitions to a more saner one [kcleong]
  • Use ZCatalog instead of portal_catalog.unrestrictedSearchResults, the ZCatalog is really unrestricted. [kcleong]
  • Improved and simplified retrieving of came form object in section view [kcleong]
  • Added an event subscriber so the folder is reindexed when subtyped with a section [kcleong]
0.1 (2011-11-21)

No changes.

0.1a1 (2011-10-24)
  • Updated setup.py: url, author.
  • Check if user exists before including them in subscriptions/requests list.
  • Bugfix: Define Section's title and description in proper place in insufficient_privileges template.
0.1-dvl (2011-10-21)
  • Initial release

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Last updated Jan 9th, 2014

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