JSON-Calculation Scheme

This concept is used in a number of calculation formats in the Fortune-Teller API.

Generally speaking, a JSON-File, that is committed in the GIT project contains a calculation structure, that is to be applied on a base value. The structure provided in the JSON-File provides the raw-data for the calculation scheme, so that it is highly adjustable, without impacting the APIs code.

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 API engine

The API makes use of this concept in several locations. The scheme calculator is called with Localization (i.e. DE),

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Core Elements of the JSON file (in folder jsonlib)

The name of the file is defined in the respective module, but begins with the Country Code (2-Letter) The Json begins with a context depending on the scope of the settings included, any number of generic items can be listed. The actual class of calculations is named and provides a collection of versions Each version includes a collection of steps, that will be followed consecutively Each calculation scheme ends with a Disclaimer and Source tag, this must contain any limitations to the accuracy of the calculation and the source of the information included in the scheme.

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Example for a file (not making sense)

{
  "country":"Deutschland",
  "comment1": "Order versions from recent to old, followed by Disclaimer",
  "income":
  	{	
		"2021": [
					...
				],
		"2020": [
					{
						"type":"absolute",
						"from":"0",
						"to":"1200",
                        "part":"1",
						"id":"gez",
						"base":"value",
						"tax":"120"
					},
					{
						"type":"percent",
						"from":"0",
						"to":"1200",
						"id":"est",
						"base":"base",
						"tax":"12%"
					},
					{
						"type":"percent",
						"from":"0",
						"to":"9999999999",
						"id":"soli",
						"base":"est",
						"tax":"5%"
					},
					{
						"rate":"100%"
					}
				],
		"Disclaimer":"Dieser Text erklärt Besonderheiten",
        "Source":"EStG, Dejure.org 31.7.2021"
		}
    }
 }