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Ticket Resolution Summary Owner Reporter
#1190 fixed [super] CREP 0004 Data API and Data Processing System rgrp rgrp

Reported by rgrp, 3 years ago.

Description

For some time (e.g. 1y+!) we have known that we want to integrate some kind of datastore / data processing system with CKAN. We've had a CREP in progress on this for some months (may copy that here at some point):

http://wiki.ckan.org/CEP0004

We can distinguish 3 modules that are needed:

  1. "Webstore": A datastore with dataapi - #1208

Suggestion is this would be sqlite based with a simple sql based API. http://ckan.net/api/data/{user|org}/{datastore_name}?q={some-read-sql-query}

  1. Automated conversion of suitable resources into datastore upon resource creation so that e.g. they are accessible via the API. #1398
  1. A data processing system which utilizes this datastore. One could

get a long way with simple javascript running in the browser for development with this javascript then run offline using something like nodejs. Alternatively one could allow one to specify a url to e.g. a python file which would then be run in a sandbox (with access to some specified set of python modules) - #1432

More info

#1065 fixed [super] Change Authorization System zephod johnlawrenceaspden

Reported by johnlawrenceaspden, 3 years ago.

Description

Child tickets

  • #1198 Publisher hierarchy
  • #1050 Authz lib improvement and refactor of ckan/lib/authztool.py
  • #1004 Group creation instructions missing
  • #1099 Strange interactions between two browsers while playing with authz groups
  • #1115 can have two authzgroups with the same name
  • #1133 command line rights manipulation doesn't work
  • #1138 minor navigations behave inconsistently

Old ticket description:

  1. Change name of AuthzGroup? to UserGroup? to reflect what it is for
  1. Get rid of Roles, and replace them with direct assignment of actions, even though there are many actions, and extensions can add arbitrary ones.
    • Debatable whether we should cut the number of actions to correspond to the three roles defined by the base system.
    • Have a method of finding roles (or, in future, actions) relevant to a given protection object (e.g. FILE-UPLOAD(ER) not relevant to Packages)
  1. Change UserGroups? so that they can have a hierarchical structure,

More info on Hierarchy change

e.g. UserGroup? NHS contains the User nhsysadmin, as well as the UserGroups? SURREY and BERKS, which themselves contain users.

One user in SURREY is Simon the Sysadmin, who has permissions on the whole system. His permissions should not leak out to other users or groups, and user permissions generally should not.

Each Group has permissions over various objects.

A user has permissions in his own right, and also has the permissions of his own group, and of all the groups contained in his group, and so on recursively.

Algorithm:

possible(user, action, package):

if user has permission for action on package

or any of have that permission

or any of his groups group-children (but not user-children), and so on recursively have the permission.

#1593 fixed [super] Create feeds from search results icmurray amercader

Reported by amercader, 2 years ago.

Description

Recent changes (see #191 and #1498) have made really easy to get search results ordered chronologically, and creating RSS or Atom feeds from them is relatively easy.

Feeds are extremely popular and there are several tools for consuming them, so it would be a great way to allow users to follow datasets related with their topics of interest.

Apart from the general feed with changes on the whole instance, other different "pre-set" feed endpoints could be implemented. The most obvious choices for custom feeds could be groups and tags:

http://<ckan_server>/feed/group/{id}.{format:rss|atom}
http://<ckan_server>/feed/tag/{id}.{format:rss|atom}

These could be shown on the group/tag page, both on the <head> section, so browsers can autodiscover them, and on the UI, with a message like "Subscribe to this group/tag".

Another powerful option is to have a custom feed builder that accepts the same parameters as the search page, so users can subscribe to whatever query they are interested on

http://<ckan_server>/feed/custom.{format:rss|atom}?res_format=api%2Fsparql
http://<ckan_server>/feed/custom.{format:rss|atom}?q=tags:animal*

On this case a message "Subscribe to these search results" would appear.

Note that a lot of work on this front needs to be done for the IATI registry project (see #1590)

Other tickets related:

  • #1592: metadata_modified and metadata_created are not included in the search results, so an extra query for each package is needed right now.
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