(Delphi ActiveX) Google People API - Update an Existing Contact

To update an existing contact, you must include the person.metadata.sources.etag field in the person for the contact to be updated to make sure the contact has not changed since your last read.

For more information, see https://developers.google.com/people/v1/contacts#update-an-existing-contact

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
jsonToken: TChilkatJsonObject;
success: Integer;
http: TChilkatHttp;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
resp: IChilkatHttpResponse;
sbResponseBody: TChilkatStringBuilder;
jResp: TChilkatJsonObject;
respStatusCode: Integer;
v_type: WideString;
id: WideString;
updateTime: WideString;
metadataPrimary: Integer;
metadataSourceType: WideString;
metadataSourceId: WideString;
displayName: WideString;
familyName: WideString;
givenName: WideString;
displayNameLastFirst: WideString;
unstructuredName: WideString;
url: WideString;
default: Integer;
value: WideString;
contactGroupMembershipContactGroupId: WideString;
contactGroupMembershipContactGroupResourceName: WideString;
resourceName: WideString;
etag: WideString;
metadataObjectType: WideString;
i: Integer;
count_i: Integer;

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

// It is assumed we previously obtained an OAuth2 access token.
// This example loads the JSON access token file 

// originally obtained by this example: Get Google People API OAuth2 Access Token
// or refreshed by this example: Refresh Google People API OAuth2 Access Token

jsonToken := TChilkatJsonObject.Create(Self);
success := jsonToken.LoadFile('qa_data/tokens/googlePeople.json');
if (success <> 1) then
  begin
    Memo1.Lines.Add('Failed to load googleContacts.json');
    Exit;
  end;

http := TChilkatHttp.Create(Self);

http.AuthToken := jsonToken.StringOf('access_token');

// Implements the following CURL command:

// curl -X PATCH https://people.googleapis.com/v1/resource_name:updateContact?updatePersonFields=emailAddresses \
//   -H "Content-Type: application/json" \
//   -d '{
//     "resourceName": "resource_name",
//     "etag": "#eyZ0Gu5HVas=",
//     "emailAddresses": [{ "value": "john.doe@gmail.com" }],
// }'

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

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

// The following JSON is sent in the request body.

// {
//   "resourceName": "resource_name",
//   "etag": "#eyZ0Gu5HVas=",
//   "emailAddresses": [
//     {
//       "value": "john.doe@gmail.com"
//     }
//   ]
// }

json := TChilkatJsonObject.Create(Self);
json.UpdateString('resourceName','people/c172365763025317520');
json.UpdateString('etag','%EigBAj0DBAUGBwgJPgoLPwwNDg8QQBESExQVFhc1GTQ3HyEiIyQlJicuGgQBAgUHIgxleVowR3U1SFZhcz0=');
json.UpdateString('emailAddresses[0].value','john.doe@gmail.com');

sbRequestBody := TChilkatStringBuilder.Create(Self);
json.EmitSb(sbRequestBody.ControlInterface);

// Notice that the resource name is part of the URL...
resp := http.PTextSb('PATCH','https://people.googleapis.com/v1/people/c172365763025317520:updateContact?updatePersonFields=emailAddresses',sbRequestBody.ControlInterface,'utf-8','application/json',0,0);
if (http.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

sbResponseBody := TChilkatStringBuilder.Create(Self);
resp.GetBodySb(sbResponseBody.ControlInterface);
jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);
jResp.EmitCompact := 0;

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(jResp.Emit());

respStatusCode := resp.StatusCode;
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(resp.Header);
    Memo1.Lines.Add('Failed.');

    Exit;
  end;

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "resourceName": "people/c172365763025317520",
//   "etag": "%EigBAj0DBAUGBwgJPgoLPwwNDg8QQBESExQVFhc1GTQ3HyEiIyQlJicuGgQBAgUHIgxtQnhyR2MzMGU4Yz0=",
//   "metadata": {
//     "sources": [
//       {
//         "type": "CONTACT",
//         "id": "2645dbf8c902e90",
//         "etag": "#mBxrGc30e8c=",
//         "updateTime": "2020-08-03T23:01:23.539Z"
//       }
//     ],
//     "objectType": "PERSON"
//   },
//   "names": [
//     {
//       "metadata": {
//         "primary": true,
//         "source": {
//           "type": "CONTACT",
//           "id": "2645dbf8c902e90"
//         }
//       },
//       "displayName": "John Doe",
//       "familyName": "Doe",
//       "givenName": "John",
//       "displayNameLastFirst": "Doe, John",
//       "unstructuredName": "John Doe"
//     }
//   ],
//   "photos": [
//     {
//       "metadata": {
//         "primary": true,
//         "source": {
//           "type": "CONTACT",
//           "id": "2645dbf8c902e90"
//         }
//       },
//       "url": "https://lh3.googleusercontent.com/-XdUIqeMkCWA/AAAAAAAAAAI/AAAAAAAAAAA/V8BNOaftJmYG2hHugNzYued7G9QFdeZOACLcDEAEiGQoBShD___________8BGNvwiP7______wE/s100/photo.jpg",
//       "default": true
//     }
//   ],
//   "emailAddresses": [
//     {
//       "metadata": {
//         "primary": true,
//         "source": {
//           "type": "CONTACT",
//           "id": "2645def8c902e90"
//         }
//       },
//       "value": "john.doe@gmail.com"
//     }
//   ],
//   "memberships": [
//     {
//       "metadata": {
//         "source": {
//           "type": "CONTACT",
//           "id": "2645dbf8c902e90"
//         }
//       },
//       "contactGroupMembership": {
//         "contactGroupId": "myContacts",
//         "contactGroupResourceName": "contactGroups/myContacts"
//       }
//     }
//   ]
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

resourceName := jResp.StringOf('resourceName');
etag := jResp.StringOf('etag');
metadataObjectType := jResp.StringOf('metadata.objectType');
i := 0;
count_i := jResp.SizeOfArray('metadata.sources');
while i < count_i do
  begin
    jResp.I := i;
    v_type := jResp.StringOf('metadata.sources[i].type');
    id := jResp.StringOf('metadata.sources[i].id');
    etag := jResp.StringOf('metadata.sources[i].etag');
    updateTime := jResp.StringOf('metadata.sources[i].updateTime');
    i := i + 1;
  end;

i := 0;
count_i := jResp.SizeOfArray('names');
while i < count_i do
  begin
    jResp.I := i;
    metadataPrimary := jResp.BoolOf('names[i].metadata.primary');
    metadataSourceType := jResp.StringOf('names[i].metadata.source.type');
    metadataSourceId := jResp.StringOf('names[i].metadata.source.id');
    displayName := jResp.StringOf('names[i].displayName');
    familyName := jResp.StringOf('names[i].familyName');
    givenName := jResp.StringOf('names[i].givenName');
    displayNameLastFirst := jResp.StringOf('names[i].displayNameLastFirst');
    unstructuredName := jResp.StringOf('names[i].unstructuredName');
    i := i + 1;
  end;

i := 0;
count_i := jResp.SizeOfArray('photos');
while i < count_i do
  begin
    jResp.I := i;
    metadataPrimary := jResp.BoolOf('photos[i].metadata.primary');
    metadataSourceType := jResp.StringOf('photos[i].metadata.source.type');
    metadataSourceId := jResp.StringOf('photos[i].metadata.source.id');
    url := jResp.StringOf('photos[i].url');
    default := jResp.BoolOf('photos[i].default');
    i := i + 1;
  end;

i := 0;
count_i := jResp.SizeOfArray('emailAddresses');
while i < count_i do
  begin
    jResp.I := i;
    metadataPrimary := jResp.BoolOf('emailAddresses[i].metadata.primary');
    metadataSourceType := jResp.StringOf('emailAddresses[i].metadata.source.type');
    metadataSourceId := jResp.StringOf('emailAddresses[i].metadata.source.id');
    value := jResp.StringOf('emailAddresses[i].value');
    i := i + 1;
  end;

i := 0;
count_i := jResp.SizeOfArray('memberships');
while i < count_i do
  begin
    jResp.I := i;
    metadataSourceType := jResp.StringOf('memberships[i].metadata.source.type');
    metadataSourceId := jResp.StringOf('memberships[i].metadata.source.id');
    contactGroupMembershipContactGroupId := jResp.StringOf('memberships[i].contactGroupMembership.contactGroupId');
    contactGroupMembershipContactGroupResourceName := jResp.StringOf('memberships[i].contactGroupMembership.contactGroupResourceName');
    i := i + 1;
  end;
end;