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README_JSONIFY_VIEW.rst

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Main reason for this package is to get an easy handle to Json export of Plone content objects for mobile APPs.

  • GATHERING DATA:

We can get data as Anonymous user (but you should pass __ac_name and __ac_password in http call to get privileges) by passin right ACTION parameter. Actions for gatherin are:

. QUERY -> use portal_catalog for data retrieving . LIST -> use portal_catalog but return COMPACT list of live objects . GET -> return the actual JSON of the objects

To get right answers you have to do right questions :) Parameters are important. Here are some interesting examples:

  • ACTION = QUERY : get MODIFIED (from date - to date) objects

http://www.myplonesite.com/custompath/deep/@@jsonify ?action=query &portal_type=my_at_or_dexterity_type &show_inactive=True &modified:list:date=2013-01-01 &modified:list:date=2013-03-01 &modified_usage=range:min:max

MORE: if "available" parameter is added, it returns the NUMBER of objects the query returned, NULL if no returns MORE: "send_bin" parameter is "False" by default. You can change this by passing "send_bin=True" MORE: "absolute_urls" parameter is "True" by default. You can change this by passing "absolute_urls=False" IMPORTANT: "path" parameter is not needed: is always considered in the query, from URL path

  • ACTION = LIST : COMPACT LIST OF LIVE OBJECTS

Why should I get it? Because by comparing it with the objects list in your mobile APP, you can have an evidence of DELETED objects. What is returned: [{"uid":value,"path":value}] What you cannot get: when an object has been deleted.

  • BINARY FIELDS:
  • binary fields names starts with "_datafield_" and are exported as dictionary, so you

can download data separatly.

Example: An Image field called "photo" from a custom Archetype content is exported as:

"_datafield_photo": "{"filename": "alpino-pizzeria.jpg", "data": " ", "content_type": "image/jpeg", "size": 55536, "md5": "fa2b0abcf540d2dde71d68071140a803"}"

  • TO DO:
  • Add parameter for excluding fields in the export
  • Implement EDITING DATA actions ?

CODE FROM: Using wrapper.py from original collective.jsonify. Thanks to Rok Garbas

QUESTIONS / CONTRIBUTIONS: .. _Giorgio Pieretti: giorgio.pieretti@openprojects.it

Warning:This product is in Beta.
Author:Giorgio Pieretti
Source:http://github.com/collective/collective.jsonify