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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / NAV HttpClient Request...
Small and medium business | Business Central, N...
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NAV HttpClient Request Failed

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Greeting's 

I have written the code in al for E-Invoice in that I have the authorization and uri everything then also the the frontend part the code throws the error of


I had share the code here please help me to correct my code and get the response with POST method
 
local procedure GetTokenforEInvoice() ResponseText: Text
    begin
 
        Content.GetHeaders(contentHeaders);
        RequestMessage.GetHeaders(RequestHeaders);
        RequestHeaders.Add('gspappid', '87712B75AAE34C4F8DA3BC97BECFD209');
        RequestHeaders.Add('gspappsecret', '1D410F73G5486G4E20GB673G1166661FC8B1');
        RequestMessage.SetRequestUri('https://gsp.adaequare.com/gsp/authenticate?grant_type=token');
        RequestMessage.Method('POST');
        RequestMessage.Content(Content);
        IsSuccessful := HttpClient.Send(RequestMessage, ResponseMessage);
 
        if not IsSuccessful then
            Message('An API call with the provided header has failed.')
        else begin
            ResponseMessage.Content.ReadAs(ResponseText);
            // Message(ResponseText);
            // Rec./Json Txt/ := ResponseText;
            json_Object.ReadFrom(ResponseText);
            if json_Object.Contains('access_token') then begin
                json_Object.Get('access_token', json_Token);
                json_value := json_Token.AsValue();
                Tokenvalueastext := Format(json_value);
            end;
            String := Tokenvalueastext;
            PostmanAccessTokenValue := DelChr(String, '=', '/');
            Message(PostmanAccessTokenValue);
            // RequestHeaders.Add('Authorization', 'Bearer ' + NewString);
        end;
        exit(PostmanAccessTokenValue);
    end;
    //Correct code for getting access token and checking authorization with Post Method on E-Invoice API integration - end
 
    local procedure PostEInvoice() ResponseText: Text
    var
        posteinvoiceinstream: InStream;
    begin
 
        PostmanAccessTokenValue := GetTokenforEInvoice();
        posteinvoiceinstream := convertblobtotext();
        Content.WriteFrom(posteinvoiceinstream);
        Content.GetHeaders(contentHeaders);
        RequestMessage.GetHeaders(RequestHeaders);
        RequestHeaders.Add('Authorization', 'Bearer ' + PostmanAccessTokenValue);
        RequestHeaders.Add('user_name', 'adqgsphpusr1');
        RequestHeaders.Add('password', 'Gsp@1234');
        RequestHeaders.Add('gstin', '02AMBPG7773M002');
        RequestHeaders.Add('requestid', '41bvj8kiqe8u56');
        RequestMessage.SetRequestUri('https://gsp.adaequare.com/test/enriched/ei/api/invoice');
        RequestMessage.Method('POST');
        if ContentHeaders.Contains('Content-Type') then ContentHeaders.Remove('Content-Type');
        ContentHeaders.Add('Content-Type', 'application/json');
        RequestMessage.Content(Content);
 
        IsSuccessful := HttpClient.Send(RequestMessage, ResponseMessage);
        if not IsSuccessful then
            Message('Status Code:%1// Reason : %2', ResponseMessage.HttpStatusCode, ResponseMessage.ReasonPhrase)
        else begin
            ResponseMessage.Content.ReadAs(ResponseText);
            Message(ResponseText);
            Rec./Json Txt/ := ResponseText;
        end;
    end;
 
    trigger OnAfterGetRecord()
    begin
        LargeText := GetLargeText();
    end;
 
    /// <summary>
    /// SetLargeText.
    /// </summary>
    /// <param name=/NewLargeText/>Text.</param>
    procedure SetLargeText(NewLargeText: Text)
    var
        OutStream: OutStream;
    begin
        Clear(Rec./einvoice Txt/);
        Rec./einvoice Txt/.CreateOutStream(OutStream, TEXTENCODING::UTF8);
        OutStream.WriteText(LargeText);
        Rec.Modify();
    end;
 
    /// <summary>
    /// GetLargeText.
    /// </summary>
    /// <returns>Return variable NewLargeText of type Text.</returns>
    procedure GetLargeText() NewLargeText: Text
    var
        TypeHelper: Codeunit /Type Helper/;
        InStream: InStream;
    begin
        Rec.CalcFields(/einvoice Txt/);
        Rec./einvoice Txt/.CreateInStream(InStream, TEXTENCODING::UTF8);
        exit(TypeHelper.TryReadAsTextWithSepAndFieldErrMsg(InStream, TypeHelper.LFSeparator(), Rec.FieldName(/einvoice Txt/)));
    end;
 
    local procedure convertblobtotext() instream: InStream;
    var
        outstream: OutStream;
    begin
        Rec./einvoice Txt/.CreateInStream(instream);
        exit(instream);
    end;

Thank You,
Regards,
Shrey Chauhan
Categories:
Business Central

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