Delphi ActiveX Dynamics CRM: Lookup Contact ID using Full Name

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Find a contactid given a fullname.

Documentation: https://docs.microsoft.com/en-us/dynamics365/customer-engagement/web-api/contact?view=dynamics-ce-odata-9

CURL Command

curl -X GET https://my-dynamics-domain.api.crm.dynamics.com/api/data/v9.0/contacts
  -H "Accept: application/json" \
  -H "OData-MaxVersion: 4.0"  \
  -H "OData-Version: 4.0" \
  -d "$select=contactid" \
  -d "$filter=fullname eq 'Tomasz Bochenek'" \
  -H "Authorization: Bearer DYNAMICS_CRM_ACCESS_TOKEN"

Delphi ActiveX Example

var
rest: TChilkatRest;
success: Integer;
bTls: Integer;
port: Integer;
bAutoReconnect: Integer;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jsonResponse: TChilkatJsonObject;
i: Integer;
count_i: Integer;
odataContext: WideString;
odataEtag: WideString;
contactid: WideString;

begin
rest := TChilkatRest.Create(Self);

//  URL: https://my-dynamics-domain.api.crm.dynamics.com/api/data/v9.0/contacts
bTls := 1;
port := 443;
bAutoReconnect := 1;
success := rest.Connect('my-dynamics-domain.api.crm.dynamics.com',port,bTls,bAutoReconnect);
if (success <> 1) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(rest.ConnectFailReason));
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

rest.AddQueryParam('$select','contactid');
rest.AddQueryParam('$filter','fullname eq ''Tomasz Bochenek''');

rest.AddHeader('OData-MaxVersion','4.0');
rest.AddHeader('Accept','application/json');
rest.AddHeader('OData-Version','4.0');
rest.AddHeader('Authorization','Bearer DYNAMICS_CRM_ACCESS_TOKEN');

sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestNoBodySb('GET','/api/data/v9.0/contacts',sbResponseBody.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;
respStatusCode := rest.ResponseStatusCode;
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(rest.ResponseHeader);
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(sbResponseBody.GetAsString());
    Exit;
  end;

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

odataContext := jsonResponse.StringOf('"@odata.context"');
i := 0;
count_i := jsonResponse.SizeOfArray('value');
while i < count_i do
  begin
    jsonResponse.I := i;
    odataEtag := jsonResponse.StringOf('value[i]."@odata.etag"');
    contactid := jsonResponse.StringOf('value[i].contactid');
    i := i + 1;
  end;

Sample JSON Response Body

{
  "@odata.context": "https://mydomain.api.crm.dynamics.com/api/data/v9.0/$metadata#contacts(contactid)",
  "value": [
    {
      "@odata.etag": "W/\"1162210\"",
      "contactid": "1fa1e5b9-88df-e311-b8e5-6c3be5a8b200"
    }
  ]
}