using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Runtime.Serialization.Formatters;

using System.IO;

using System.Data;

using System.ComponentModel.DataAnnotations;

using System.Globalization;

using System.Reflection;

//using System.Text.Json;

//using System.Text.Json.Serialization;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

​

public class Program

{

    static void IterateJson(JToken value, string mandatoryFieldKey)

    {

        if (value.Values().Count() != 0) //if more than 0 - so value is object or array and we have to call this method for each property

        {

            foreach (var item in value.Values().ToList())

            {

                IterateJson(item, mandatoryFieldKey);

            }

        }

        else if (value.ToString() == mandatoryFieldKey)

        {

            if (value.Parent.Parent is JObject jObject && jObject["validate"] == null) //check if above "required" property exists 

            {

                Console.WriteLine(value);

                jObject.Add("validate", JObject.FromObject(new { required = true })); //add required property

            }

        }

​

    }

    public static void Main()

    {

        Console.WriteLine("BEFORE MANDATORY");

        List<string> mandatoryKeys = new List<string>();

        mandatoryKeys.Add("Activity.ActivityDate");//Scenario 1: Has validate key but not required key in json, so we need to add "required": true inside existing "validate"

        mandatoryKeys.Add("Activity.Duration");//Scenario 2: Does not have both validate and required so will need to have both "validate" and its child "required"

        mandatoryKeys.Add("Activity.AgencyActivityCategoryId");//Scenario 3: Has both "validate" and "required" so we should not add it again

        mandatoryKeys.Add("Activity.AgencyActivityAttendanceId");//Scenario 2 again for double checking

        var data = JObject.Parse(GetRawJson());

        Console.WriteLine(data);

        for(int i = 0; i < mandatoryKeys.Count(); i++)

            IterateJson(data, mandatoryKeys[i]);

        Console.WriteLine("AFTER MANDATORY");

        Console.WriteLine("XXXXXXXXXXXXXXX");

        Console.WriteLine(data);

        Console.ReadLine();

    }

​

    public static string GetRawJson()

    {

        var json = @"

        {

  ""display"": ""wizard"",

  ""settings"": {},

  ""components"": [

    {

      ""title"": ""Activity Information"",

      ""label"": ""Activity Information"",

      ""type"": ""Activity"",

      ""key"": ""ActivityInformation"",

      ""components"": [

        {

          ""label"": ""Row1Columns"",

          ""columns"": [

            {

              ""components"": [

                {

                  ""label"": ""Activity Date"",

                  ""format"": ""dd/MM/yyyy hh:mm a"",

                  ""tableView"": false,

                  ""datePicker"": {

                    ""disableWeekends"": false,

                    ""disableWeekdays"": false

                  },

                  ""validate"": {

                    ""unique"": true

                  },

                  ""key"": ""Activity.ActivityDate"",

                  ""type"": ""datetime"",

                  ""input"": true,

                  ""suffix"": ""<i ref=\""icon\"" class=\""fa fa-calendar\"" style=\""\""></i>"",

                  ""widget"": {

                    ""type"": ""calendar"",

                    ""displayInTimezone"": ""viewer"",

                    ""language"": ""en"",

                    ""useLocaleSettings"": false,

                    ""allowInput"": true,

                    ""mode"": ""single"",

                    ""enableTime"": true,

                    ""noCalendar"": false,

                    ""format"": ""dd/MM/yyyy hh:mm a"",

                    ""hourIncrement"": 1,

                    ""minuteIncrement"": 1,

                    ""time_24hr"": false,

                    ""minDate"": null,

                    ""disableWeekends"": false,

                    ""disableWeekdays"": false,

                    ""maxDate"": null

                  }

                }

              ],

              ""width"": 6,

              ""offset"": 0,

              ""push"": 0,

              ""pull"": 0

            },

            {

              ""components"": [

                {

                  ""label"": ""Duration (minutes)"",

                  ""mask"": false,

                  ""spellcheck"": true,

                  ""tableView"": false,

                  ""delimiter"": false,

                  ""requireDecimal"": false,

                  ""inputFormat"": ""plain"",

                  ""key"": ""Activity.Duration"",

                  ""type"": ""number"",

                  ""input"": true

                }

              ],

              ""width"": 6,

              ""offset"": 0,

              ""push"": 0,

              ""pull"": 0

            }

          ],

          ""tableView"": false,

          ""key"": ""row1Columns"",

          ""type"": ""columns"",

          ""input"": false

        },

        {

          ""label"": ""Row2Columns"",

          ""columns"": [

            {

              ""components"": [

                {

                  ""label"": ""Activity Category"",

                  ""widget"": ""choicesjs"",

                  ""tableView"": true,

                  ""dataSrc"": ""custom"",

                  ""data"": {

                    ""custom"": ""values = getActivityCategoryValues()""

                  },

                  ""valueProperty"": ""AgencyActivityCategoryId"",

                  ""template"": ""<span>{{ item.text }}</span>"",

                  ""selectThreshold"": 0.3,

                  ""validate"": {

                    ""required"": true

                  },

                  ""key"": ""Activity.AgencyActivityCategoryId"",

                  ""type"": ""select"",

                  ""indexeddb"": {

                    ""filter"": {}

                  },

                  ""input"": true

                }

              ],

              ""width"": 6,

              ""offset"": 0,

              ""push"": 0,

              ""pull"": 0

            },

            {

              ""components"": [

                {

                  ""label"": ""Attendance"",

                  ""widget"": ""choicesjs"",

                  ""tableView"": true,

                  ""multiple"": false,

                  ""dataSrc"": ""custom"",

                  ""data"": {

                    ""custom"": ""values = getAttendanceValues()""

                  },

                  ""valueProperty"": ""AgencyActivityAttendanceId"",

                  ""template"": ""<span>{{ item.text }}</span>"",

                  ""selectThreshold"": 0.3,                  

                  ""key"": ""Activity.AgencyActivityAttendanceId"",

                  ""type"": ""select"",

                  ""indexeddb"": {

                    ""filter"": {}

                  },

                  ""input"": true

                }

              ],

              ""width"": 6,

              ""offset"": 0,

              ""push"": 0,

              ""pull"": 0

            }

          ],

          ""tableView"": false,

          ""key"": ""row2Columns"",

          ""type"": ""columns"",

          ""input"": false

        },

        {

          ""label"": ""Activity Options"",

          ""widget"": ""choicesjs"",

          ""tableView"": true,

          ""multiple"": true,

          ""dataSrc"": ""custom"",

          ""data"": {

            ""custom"": ""values = getActivityManagerValues(data.Activity.AgencyActivityCategoryId)""

          },

          ""template"": ""<span>{{ item.text }}</span>"",

          ""refreshOn"": ""Activity.AgencyActivityCategoryId"",

          ""clearOnRefresh"": true,

          ""selectThreshold"": 0.3,

          ""calculateServer"": false,

          ""validate"": {

            ""required"": true,

            ""multiple"": true

          },

          ""key"": ""Activity.ActivityDetail"",

          ""type"": ""select"",

          ""indexeddb"": {

            ""filter"": {}

          },

          ""input"": true

        }

    ],

      ""input"": false,

      ""tableView"": false,

      ""breadcrumbClickable"": true,

      ""buttonSettings"": {

        ""previous"": true,

        ""cancel"": true,

        ""next"": true

      },

      ""collapsible"": false

    }

  ]

}

        ";

        return json;

    }

}