VB.NET
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.
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Dim success As Boolean = False

' 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


Dim jsonToken As New Chilkat.JsonObject
success = jsonToken.LoadFile("qa_data/tokens/googlePeople.json")
If (success <> True) Then
    Debug.WriteLine("Failed to load googleContacts.json")
    Exit Sub
End If


Dim http As New Chilkat.Http

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"
'     }
'   ]
' }

Dim json As New Chilkat.JsonObject
json.UpdateString("resourceName","people/c172365763025317520")
json.UpdateString("etag","%EigBAj0DBAUGBwgJPgoLPwwNDg8QQBESExQVFhc1GTQ3HyEiIyQlJicuGgQBAgUHIgxleVowR3U1SFZhcz0=")
json.UpdateString("emailAddresses[0].value","john.doe@gmail.com")

Dim sbRequestBody As New Chilkat.StringBuilder
json.EmitSb(sbRequestBody)

' Notice that the resource name is part of the URL...
Dim resp As New Chilkat.HttpResponse
success = http.HttpSb("PATCH","https://people.googleapis.com/v1/people/c172365763025317520:updateContact?updatePersonFields=emailAddresses",sbRequestBody,"utf-8","application/json",resp)
If (success = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim sbResponseBody As New Chilkat.StringBuilder
resp.GetBodySb(sbResponseBody)
Dim jResp As New Chilkat.JsonObject
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())

Dim respStatusCode As Integer = resp.StatusCode
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(resp.Header)
    Debug.WriteLine("Failed.")
    Exit Sub
End If


' 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



Dim v_type As String
Dim id As String
Dim updateTime As String
Dim metadataPrimary As Boolean
Dim metadataSourceType As String
Dim metadataSourceId As String
Dim displayName As String
Dim familyName As String
Dim givenName As String
Dim displayNameLastFirst As String
Dim unstructuredName As String
Dim url As String
Dim default As Boolean
Dim value As String
Dim contactGroupMembershipContactGroupId As String
Dim contactGroupMembershipContactGroupResourceName As String

Dim resourceName As String = jResp.StringOf("resourceName")
Dim etag As String = jResp.StringOf("etag")
Dim metadataObjectType As String = jResp.StringOf("metadata.objectType")
Dim i As Integer = 0
Dim count_i As Integer = jResp.SizeOfArray("metadata.sources")
While i < count_i
    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 While
i = 0
count_i = jResp.SizeOfArray("names")
While i < count_i
    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 While
i = 0
count_i = jResp.SizeOfArray("photos")
While i < count_i
    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 While
i = 0
count_i = jResp.SizeOfArray("emailAddresses")
While i < count_i
    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 While
i = 0
count_i = jResp.SizeOfArray("memberships")
While i < count_i
    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 While