Chilkat Online Tools

ListChannelMembershipsForAppInstanceUser delphiAx Example

Amazon Chime

var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
ReadMarkerTimestamp: Integer;
v_Type: WideString;
ChannelArn: WideString;
LastMessageTimestamp: Integer;
Metadata: WideString;
Mode: WideString;
Name: WideString;
Privacy: WideString;
NextToken: WideString;
i: Integer;
count_i: Integer;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

rest := TChilkatRest.Create(Self);

authAws := TChilkatAuthAws.Create(Self);
authAws.AccessKey := 'AWS_ACCESS_KEY';
authAws.SecretKey := 'AWS_SECRET_KEY';

// Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
authAws.Region := 'us-west-2';
authAws.ServiceName := 'chime';
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws.ControlInterface);

// URL: https://chime.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := rest.Connect('chime.us-west-2.amazonaws.com',443,1,1);
if (success <> 1) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(rest.ConnectFailReason));
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

rest.AddHeader('Content-Type','application/x-amz-json-1.1');
rest.AddHeader('X-Amz-Target','ListChannelMembershipsForAppInstanceUser');

sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestNoBodySb('GET','/channels?scope=app-instance-user-memberships',sbResponseBody.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;
respStatusCode := rest.ResponseStatusCode;
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
if (respStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(rest.ResponseHeader);
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(sbResponseBody.GetAsString());
    Exit;
  end;

jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);

// The following code parses the JSON response.
// A sample JSON response is shown below the sample code.

// Use this online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

NextToken := jResp.StringOf('NextToken');
i := 0;
count_i := jResp.SizeOfArray('ChannelMemberships');
while i < count_i do
  begin
    jResp.I := i;
    ReadMarkerTimestamp := jResp.IntOf('ChannelMemberships[i].AppInstanceUserMembershipSummary.ReadMarkerTimestamp');
    v_Type := jResp.StringOf('ChannelMemberships[i].AppInstanceUserMembershipSummary.Type');
    ChannelArn := jResp.StringOf('ChannelMemberships[i].ChannelSummary.ChannelArn');
    LastMessageTimestamp := jResp.IntOf('ChannelMemberships[i].ChannelSummary.LastMessageTimestamp');
    Metadata := jResp.StringOf('ChannelMemberships[i].ChannelSummary.Metadata');
    Mode := jResp.StringOf('ChannelMemberships[i].ChannelSummary.Mode');
    Name := jResp.StringOf('ChannelMemberships[i].ChannelSummary.Name');
    Privacy := jResp.StringOf('ChannelMemberships[i].ChannelSummary.Privacy');
    i := i + 1;
  end;

// A sample JSON response body parsed by the above code:

// {
//   "ChannelMemberships": [
//     {
//       "AppInstanceUserMembershipSummary": {
//         "ReadMarkerTimestamp": number,
//         "Type": "string"
//       },
//       "ChannelSummary": {
//         "ChannelArn": "string",
//         "LastMessageTimestamp": number,
//         "Metadata": "string",
//         "Mode": "string",
//         "Name": "string",
//         "Privacy": "string"
//       }
//     }
//   ],
//   "NextToken": "string"
// }