WIP: Advanced validation proof of concept

[brennj]

Combining everything for internal presentation.

Sample data

{
  "properties": {
    "field_a": {
      "type": "number",
      "x-jsf-validations": {
        "a_greater_than_b": {
          "errorMessage": "Field A must be bigger than field B",
          "rule": {
            ">": [
              {
                "var": "field_a"
              },
              {
                "var": "field_b"
              }
            ]
          }
        }
      }
    },
    "field_b": {
      "type": "number"
    }
  },
  "required": ["field_a", "field_b"]
}

{
  "properties": {
    "field_a": {
      "type": "number",
      "x-jsf-validations": {
        "a_less_than_b": {
          "errorMessage": "Field A must be smaller than field B",
          "rule": {
            "<": [
              {
                "var": "field_a"
              },
              {
                "var": "field_b"
              }
            ]
          }
        }
      }
    },
    "field_b": {
      "type": "number"
    }
  },
  "required": ["field_a", "field_b"]
}

{
  "properties": {
    "field_a": {
      "type": "number"
    },
    "field_b": {
      "type": "number"
    },
    "field_c": {
      "type": "number",
      "x-jsf-validations": {
        "add_fields_together": {
          "errorMessage": "Must be at least (field_a + field_b) * 2",
          "rule": {
            ">=": [
              { "var": "field_c" },
              {
                "*": [
                  { "+": [{ "var": "field_a" }, { "var": "field_b" }] },
                  2
                ]
              }
            ]
          }
        }
      }
    }
  },
  "required": ["field_a", "field_b", "field_c"]
}

{
  "properties": {
    "field_a": {
      "type": "number"
    },
    "field_b": {
      "type": "number"
    },
    "field_c": {
      "type": "number"
    }
  },
  "required": ["field_a", "field_b"],
  "allOf": [
    {
      "if": {
        "x-jsf-validations": {
          "require_c": {
            "const": true
          }
        }
      },
      "then": {
        "required": ["field_c"],
        "properties": {
          "field_c": {
            "x-jsf-validations": {
              "add_fields_together": {
                "errorMessage": "Must be at least (field_a + field_b) * 2",
                "rule": {
                  ">=": [
                    { "var": "field_c" },
                    {
                      "*": [
                        { "+": [{ "var": "field_a" }, { "var": "field_b" }] },
                        2
                      ]
                    }
                  ]
                }
              }
            }
          }
        }
      },
      "else": {
        "properties": {
          "field_c": false
        }
      }
    }
  ],
  "x-jsf-validations": {
    "require_c": {
      "rule": {
        "and": [
          { "!==": [{ "var": "field_b" }, null] },
          { "!==": [{ "var": "field_a" }, null] },
          { ">": [{ "var": "field_a" }, { "var": "field_b" }] }
        ]
      }
    }
  }
}

{
  "properties": {
    "field_a": {
      "title": "Accept!",
      "const": "acknowledged",
      "type": "string",
      "x-jsf-presentation": {
        "inputType": "checkbox"
      }
    },
    "field_b": {
      "type": "number"
    },
    "field_c": {
      "type": "number"
    }
  },
  "required": ["field_a", "field_b"],
  "allOf": [
    {
      "if": {
        "properties": {
          "field_a": {
            "const": "acknowledged"
          }
        },
        "required": ["field_a"]
      },
      "then": {
        "required": ["field_c"],
        "properties": {
          "field_c": {
            "x-jsf-validations": {
              "add_fields_together": {
                "errorMessage": "Must be at least field_b * 2",
                "rule": {
                  ">=": [
                    { "var": "field_c" },
                    {
                      "*": [
                        { "var": "field_b" },
                        2
                      ]
                    }
                  ]
                }
              }
            }
          }
        }
      },
      "else": {
        "properties": {
          "field_c": false
        }
      }
    }
  ]
}

[jguddas]

I'm kinda missing validation of the validation, and the JSON logic Schema that could be used for this is WIP since 2019.

jwadhams/json-logic-js#55