Planning (from readme)

[DanielHabenicht]

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