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Introduction:

Item set should be a collection of questions where questions will have hasSequenceMember relationship with the member questions. Content should have association relationship with Item set.

Background & Problem statement:

  • Currently content have association relationship with questions. And association relationship does not support index value.
  • Since content and question relationship does not have any index value, we are not able to render questions based on index value.
  • As per the existing Item set (V3) implementation, Item set is a collection of questions where all the questions are linked to Item set with hasMember relationship which does not support index.

Design:

  • Item set will be a collection of questions where each question will be linked to Item set with hasSequenceMember relationship where each relationship will have one index value.
  • Instead of linking to each questions, Content should be linked to Itemset with associatiedTo relationship.
  • Content will have one-to-one relationship with Item set.
  • Support for Itemset version 2 (V2) API

Item Set V2 API:

Create Item set:
POST: itemset/v2/create

{
     "code":"",
     "title":"",
     "description":"",
     "language":["English"],
     "max_score":10,
     "type":"materialised",
     "owner":"",
     "difficulty_level":"",
     "purpose": "",
     "sub_purpose":"",
     "depth_of_knowledge": "",
     "used_for":"",
     "copyright":"",
     "createdBy":"",
     "questions":[{
          "identifier":<question_id>
     }]

}


Update Item set:
PATCH: itemset/v2/update/{identifier}

{
     "title":"",
     "description":"",
     "language":["English"],
     "max_score":10,
     "type":"materialised",
     "owner":"",
     "difficulty_level":"",
     "purpose": "",
     "sub_purpose":"",
     "depth_of_knowledge": "",
     "used_for":"",
     "copyright":"",
     "createdBy":"",
     "questions":[{
          "identifier":<question_id>
     }]

}


Read Item set:
GET: itemset/v2/read/{identifer}

DELETE: itemset/v2/retire/{identifier}
{}


Item set Publish API:

  • There will be Item set publish API which will publish the Itemset with a particular pkgVersion.
  • It will generated a html template (previewUrl: it is Itemset metadata) which will hold all the questions linked to item set at the time of Item set publish.
  • Currently Item set publish API will be exposed through Content Publish API - When content gets publish Item set will also get published.

PDF generator API:

  • It will be completely separate and generic implementation.
  • It will expect HTML template and will generate pdf file.
  • It will generate and upload pdf file to cloud store and return link as response. (need to discuss)

Content Publish API:

  • Item set publish API will be exposed to content publish pipeline.
  • As part of content publish, Item set will also be published which will generate Item set previewUrl using all the question linked (i.e. set of all the questions linked to Item set, in a sequential way of index) and tag with Item set as metadata.
  • Using Item set previewUrl, PDF generator API will generate and return pdf file URL link which will be linked to content metadata as itemSetPreviewUrl.


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