How to cast stringify json object into Model class in .net core 2.2?

Question

I am receiving json object in string format. Now i have my model class like this in .netcore

public class AgentSessions 
{
    // public BsonObjectId _id {get; set;}
    public string[] socketID {get; set;}
    public string agent_id {get; set;}
    public string nsp {get; set;}

    public string createdDate {get; set;}
    public string nickname {get; set;}
    public string email {get; set;}
    public ExpandoObject rooms {get; set;}

    public int chatCount {get; set;}
    public string type{get; set;}
    public string[] location {get; set;}
    public int visitorCount {get; set;}
            public string role {get; set;}
    public Boolean acceptingChats {get; set;}
    public string state {get; set;}
    public ExpandoObject[]  idlePeriod {get; set;}

    public string image {get; set;}
    public ExpandoObject locationCount{get; set;}

    public ExpandoObject callingState{get; set;}

    public ExpandoObject permissions{get; set;}
    public dynamic groups {get; set;}

    public dynamic teams {get; set;}

    public dynamic  isOwner {get; set;}

    public Boolean updated {get; set;}

    public int concurrentChatLimit{get; set;}
    public ExpandoObject conversationState{get; set;}

    public  string id{get; set;}

    public Boolean inactive{get; set;}

    public string lastTouchedTime{get; set;}
    public DateTime? expiry{get; set;}

    public DateTime endingDate{get; set;}
}

Now i have to convert that json object(string) into my defined class type. How can i do that?

   stringify data object that i am receiving 

"session":{"_id":"5e2acd287ce5f349008348f5","socketID":[],"agent_id":"5c41ade033aa87307ca9831f","nsp":"/localhost.com","createdDate":"2020-01-24T10:55:36.293Z","nickname":"Nickname Changing","email":"[email protected]","rooms":{},"chatCount":0,"type":"Agents","location":[],"visitorCount":0,"role":"admin","acceptingChats":true,"state":"ACTIVE","idlePeriod":[],"image":"https://elasticbeanstalk-us-west-1-021594099427.s3.amazonaws.com/userUploads%2Fhrm.sbtjapan.com%2Fsaadisheikh9705%40sbtjapan.com%2Fpp%2F1546264191938.jpg","locationCount":{},"callingState":{"socketid":"","state":false,"agent":""},"permissions":{"tickets":{"enabled":true,"canMerge":true,"canCreate":true,"canViewLog":true,"canGroup":true,"allowCC":true,"allowBCC":true,"canView":"all","canAssignAgent":true,"canAssignGroup":true,"canAddNote":true,"canAddTag":true,"canAddTask":true,"canChangeState":true,"canExport":true,"canSetPriority":true,"canSnooze":true,"canAddGroupAdmins":true},"chats":{"enabled":true,"allowEmoji":true,"allowAttachments":true,"allowVoicenotes":true,"allowCalling":true,"allowAddAsFaq":true,"allowChatTransfer":true,"allowTypingStatus":true,"canView":"all","canChat":true},"agents":{"enabled":true,"canCreate":true,"canEdit":true,"canChat":true,"canCall":true,"canViewStats":true,"canChangeOwnPassword":true,"canChangeOthersPassword":true},"settings":{"enabled":true,"automatedResponses":{"enabled":true},"rolesAndPermissions":{"enabled":true,"canView":["admin","supervisor","agent","TEst"],"canAddRole":true,"canModifyOwn":true,"canModifyOther":true,"canDeleteRole":true},"formDesigner":{"enabled":true},"ticketManagement":{"enabled":true},"chatTimeouts":{"enabled":true},"callSettings":{"enabled":true},"contactSettings":{"enabled":true},"chatWindowSettings":{"enabled":true},"chatAssistant":{"enabled":true},"webhooks":{"enabled":true},"integerations":{"enabled":true},"knowledgeBase":{"enabled":true},"widgetMarketing":{"enabled":true}},"dashboard":{"enabled":true},"visitors":{"enabled":true},"analytics":{"enabled":true,"visitors":true,"canView":"all","chats":true,"agents":true,"tickets":true},"crm":{"enabled":true},"chatbot":{"enabled":true},"installation":{"enabled":true},"updatedOn":"2020-01-07T11:50:43.690Z"},"groups":["Congo1"],"teams":[],"isOwner":false,"updated":true,"concurrentChatLimit":2,"conversationState":false,"id":"5e2acd287ce5f349008348f5","inactive":false,"lastTouchedTime":"2020-01-24T10:55:37.344Z","endingDate":"2020-01-24T10:55:56.980Z"}

And another question is that what happened if any value will not be there in my json object(string format) ?

stringify is how Javascript converts an object to JSON. It has nothing to do with the JSON content itself. What you posted is simply a JSON string that needs to be parsed using eg Json.NET or System.Text.JSON — Panagiotis Kanavos
– Panagiotis Kanavos, Commented Jan 24, 2020 at 13:38
I am working in .net core. I am receiving stringify object and i want to parse that stringify object into my defined class. So please give me answer that how can i do that — Fahad Hassan
– Fahad Hassan, Commented Jan 24, 2020 at 13:39
And also how can i declare nullable values in my mode class(c#) ? — Fahad Hassan
– Fahad Hassan, Commented Jan 24, 2020 at 13:40
There's no such thing as a stringify object. What you posted is just a JSON string. You can deserialize it with JSON.NET — Panagiotis Kanavos
– Panagiotis Kanavos, Commented Jan 24, 2020 at 13:43

Maks Shapovalov · Accepted Answer · 2020-01-24 13:45:02Z

1

Use NewtonsoftJson nuget.

It will looks like:

var session = JsonConvert.DeserializeObject<AgentSessions>(stringThatUReceived);

Second: it will be set to default(T) in ur object (not sure)

As comment(I need 50 rep to write comments, lol): Simply write something like this for value-type variables

public int? chatCount { get; set; }

edited Jan 24, 2020 at 13:45

answered Jan 24, 2020 at 13:41

Maks Shapovalov

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2 Comments

Fahad Hassan Over a year ago

And how can i declare nullable fields in my model class? because some fields are optional

Panagiotis Kanavos Over a year ago

@FahadHassan add your questions in the question's text. Besides, you already defined nullable fields.

Jonathan Busuttil · Accepted Answer · 2020-01-24 14:35:34Z

0

since you are on .netcore you can use the new System.Text.Json from microsoft.

var session = JsonSerializer.Deserialize<AgentSessions>(stringYouRecieved);

https://learn.microsoft.com/en-us/dotnet/standard/serialization/system-text-json-how-to

answered Jan 24, 2020 at 14:35

Jonathan Busuttil

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2 Comments

Dan Kroymann Over a year ago

The title of this request suggests that it is for .NET Core 2.2, in which case the new system.text.json namespace isn't available (it was added in .NET Core 3.0).

Jonathan Busuttil Over a year ago

you are right, if net core 3.0 is not an option, you have to stick Newtonsoft

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