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CovQuestions

A webservice where users can interactively try existing SARS-CoV-2 related questionnaires, upload their own questionnaires and an API to provide questions and logic for frontends

Possible candidates to built on: JSON Logic http://jsonlogic.com/ JSL https://www.npmjs.com/package/lib-jsl

Requirements:

MUST:

• Website with user interface to select a questionnaire, see questions and rules and try it

• API to access questionnaire

• questionnaire:

  • contains questions and logic
  • is referenced by author and version
  • versioning has a number scheme, "current" always points to newest questionnaire

• questions:

  • have an order defined by the position in the JSON file
  • have a unique id (string)
  • can belong to one or many categories
  • have a question type, e.g. multiple choice, date question
  • have an enabled/disabled state

• logic:

  • logic must be readable by non computer scientists (physicians), for example: if (conditions1 or conditions2) and conditions3 then action else nested if clause or action

  • conditions:

    • address question by unique id
    • address group of questions by category
      • count number of answers
      • calculate average score
    • supported operations: + - * / && || == !=

  • actions:

    • can enable/disable questions by unique id or category
    • can write to interpretation variable (append, clear)

• [Evaluation Logic] interpretation -> Risc groups

  • array of strings ("Stay home", "please visit the local health..."]

IMPORTANT:

• multi lingual

NICE TO HAVE:

• Conversion of patient answers to space efficient bit string and vice versa