Validate document structure

[millicentachieng]

Validate document outline based on api page type.

Document outline config is in the below format:

{
  "apiPageType": [
    {
      "title": "",
      "level": 1,
      "required": true,
      "headers": [
        {
          "title": "Permissions",
          "level": 2,
          "required": true
        },
        {
          "title": "HTTP request",
          "level": 2,
          "required": true
        },
        {
          "title": "Path parameters",
          "level": 2,
          "required": false
        },
        {
          "title": "Function parameters",
          "level": 2,
          "required": false
        },
        {
          "condition": "OR",
          "arguments": [
            {
              "title": "Query parameters",
              "level": 2,
              "required": false,
              "headers": [
                {
                  "title": "OData query parameters",
                  "level": 3,
                  "required": false
                }
              ]
            },
            {
              "title": "Optional query parameters",
              "level": 2,
              "required": false
            }
          ]
        },
        {
          "title": "Request headers",
          "level": 2,
          "required": true
        },
        {
          "title": "Request body",
          "level": 2,
          "required": true
        },
        {
          "title": "Response",
          "level": 2,
          "required": true
        },
        {
          "title": "Examples",
          "level": 2,
          "required": true,
          "headers": [
            {
              "condition": "OR",
              "arguments": [
                {
                  "title": "Example *",
                  "level": 3,
                  "allowMultiple": true,
                  "required": true,
                  "headers": [
                    {
                      "title": "Request",
                      "level": 4,
                      "required": true
                    },
                    {
                      "title": "Response",
                      "level": 4,
                      "required": true
                    }
                  ]
                },
                {
                  "condition": "AND",
                  "arguments": [
                    {
                      "title": "Request",
                      "level": 3,
                      "required": true
                    },
                    {
                      "title": "Response",
                      "level": 3,
                      "required": true
                    }
                  ]
                }
              ]
            }
          ]
        },
        {
          "title": "See also",
          "level": 2,
          "required": false
        }
      ]
    }
  ],
  "resourcePageType": [
    {
      "title": "* resource type",
      "level": 1,
      "required": true,
      "headers": [
        {
          "title": "Methods",
          "level": 2,
          "required": false
        },
        {
          "title": "Properties",
          "level": 2,
          "required": true
        },
        {
          "title": "Relationships",
          "level": 2,
          "required": false
        },
        {
          "title": "JSON representation",
          "level": 2,
          "required": true
        },
        {
          "title": "See also",
          "level": 2,
          "required": false
        }
      ]
    }
  ],
  "enumPageType": [
    {
      "title": "* enum type",
      "level": 1,
      "required": true,
      "headers": [
        {
          "title": "Members",
          "level": 2,
          "required": true
        }
      ]
    }
  ]
}