Delphi DLL Dynamics CRM: Get Phone Calls Regarding an Account

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Returns the subject, description, start date/time and activity ID for phone calls regarding an account. This example gets the phone calls regarding the Fourth Coffee account (accountid = b6a19cdd-88df-e311-b8e5-6c3be5a8b200).

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

CURL Command

curl -X GET https://my-dynamics-domain.api.crm.dynamics.com/api/data/v9.0/phonecalls \
  -H "Accept: application/json" \
  -H "OData-MaxVersion: 4.0"  \
  -H "OData-Version: 4.0" \
  -d "$filter=_regardingobjectid_value eq b6a19cdd-88df-e311-b8e5-6c3be5a8b200" \
  -d "$select=subject,description,actualstart,activityid" \
  -H "Authorization: Bearer DYNAMICS_CRM_ACCESS_TOKEN"

Delphi DLL Example

var
rest: HCkRest;
success: Boolean;
bTls: Boolean;
port: Integer;
bAutoReconnect: Boolean;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jsonResponse: HCkJsonObject;
i: Integer;
count_i: Integer;
odataContext: PWideChar;
odataEtag: PWideChar;
subject: PWideChar;
description: PWideChar;
actualstart: PWideChar;
activityid: PWideChar;

begin
rest := CkRest_Create();

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

CkRest_AddQueryParam(rest,'$filter','_regardingobjectid_value eq b6a19cdd-88df-e311-b8e5-6c3be5a8b200');
CkRest_AddQueryParam(rest,'$select','subject,description,actualstart,activityid');

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

sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestNoBodySb(rest,'GET','/api/data/v9.0/phonecalls',sbResponseBody);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;
respStatusCode := CkRest_getResponseStatusCode(rest);
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkRest__responseHeader(rest));
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody));
    Exit;
  end;

jsonResponse := CkJsonObject_Create();
CkJsonObject_LoadSb(jsonResponse,sbResponseBody);

odataContext := CkJsonObject__stringOf(jsonResponse,'"@odata.context"');
i := 0;
count_i := CkJsonObject_SizeOfArray(jsonResponse,'value');
while i < count_i do
  begin
CkJsonObject_putI(jsonResponse,i);
    odataEtag := CkJsonObject__stringOf(jsonResponse,'value[i]."@odata.etag"');
    subject := CkJsonObject__stringOf(jsonResponse,'value[i].subject');
    description := CkJsonObject__stringOf(jsonResponse,'value[i].description');
    actualstart := CkJsonObject__stringOf(jsonResponse,'value[i].actualstart');
    activityid := CkJsonObject__stringOf(jsonResponse,'value[i].activityid');
    i := i + 1;
  end;

CkRest_Dispose(rest);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jsonResponse);

Sample JSON Response Body

{
  "@odata.context": "https://mydomain.api.crm.dynamics.com/api/data/v9.0/$metadata#phonecalls(subject,description,actualstart,activityid)",
  "value": [
    {
      "@odata.etag": "W/\"1818469\"",
      "subject": "Discussed coffee bean pricing.",
      "description": "Discussed coffee bean pricing.",
      "actualstart": "2018-04-29T11:56:21Z",
      "activityid": "098af854-a44b-e811-a955-000d3a1ca612"
    }
  ]
}