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(PowerBuilder) Find Contact Having Email Address

Demonstrates how to fetch the Google Contact for a given email address.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_JsonToken
integer li_Success
oleobject loo_GAuth
oleobject loo_Rest
integer li_BAutoReconnect
string ls_EmailAddressToFind
oleobject loo_SbResponseBody
oleobject loo_Xml
integer li_TotalResults
integer li_StartIndex
integer li_ItemsPerPage
oleobject loo_Fac
integer li_NumEntries
integer i
string ls_IdUrl
string ls_ContactId
string ls_FullName
string ls_EmailAddress

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

//  --------------------------------------------------------------------------------------------------------
//  Note: The code for setting up the Chilkat REST object and making the initial connection can be done once.
//  Once connected, the REST object may be re-used for many REST API calls.
//  (It's a good idea to put the connection setup code in a separate function/subroutine.)
//  --------------------------------------------------------------------------------------------------------

//  It is assumed we previously obtained an OAuth2 access token.
//  This example loads the JSON access token file
//  saved by this example: Get Google Contacts OAuth2 Access Token

loo_JsonToken = create oleobject
li_rc = loo_JsonToken.ConnectToNewObject("Chilkat_9_5_0.JsonObject")
if li_rc < 0 then
    destroy loo_JsonToken
    MessageBox("Error","Connecting to COM object failed")
    return
end if
li_Success = loo_JsonToken.LoadFile("qa_data/tokens/googleContacts.json")
if li_Success <> 1 then
    Write-Debug "Failed to load googleContacts.json"
    destroy loo_JsonToken
    return
end if

loo_GAuth = create oleobject
li_rc = loo_GAuth.ConnectToNewObject("Chilkat_9_5_0.AuthGoogle")

loo_GAuth.AccessToken = loo_JsonToken.StringOf("access_token")

loo_Rest = create oleobject
li_rc = loo_Rest.ConnectToNewObject("Chilkat_9_5_0.Rest")

//  Connect using TLS.
li_BAutoReconnect = 1
li_Success = loo_Rest.Connect("www.google.com",443,1,li_BAutoReconnect)

//  Provide the authentication credentials (i.e. the access token)
loo_Rest.SetAuthGoogle(loo_GAuth)

//  ----------------------------------------------
//  OK, the REST connection setup is completed..
//  ----------------------------------------------

//  To retrieve the contacts, we need to send the following:

//  	GET /m8/feeds/contacts/default/full?q=<emailAddress>
//  	GData-Version: 3.0

//  Get the contact (or contacts) with this email address:
ls_EmailAddressToFind = "admin@chilkatsoft.com"

loo_Rest.AddHeader("GData-Version","3.0")
loo_Rest.AddQueryParam("q",ls_EmailAddressToFind)

loo_SbResponseBody = create oleobject
li_rc = loo_SbResponseBody.ConnectToNewObject("Chilkat_9_5_0.StringBuilder")

li_Success = loo_Rest.FullRequestNoBodySb("GET","/m8/feeds/contacts/default/full",loo_SbResponseBody)
if li_Success <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_JsonToken
    destroy loo_GAuth
    destroy loo_Rest
    destroy loo_SbResponseBody
    return
end if

//  A successful response will have a status code equal to 200.
if loo_Rest.ResponseStatusCode <> 200 then
    Write-Debug "response status code = " + string(loo_Rest.ResponseStatusCode)
    Write-Debug "response status text = " + loo_Rest.ResponseStatusText
    Write-Debug "response header: " + loo_Rest.ResponseHeader
    Write-Debug "response body: " + loo_SbResponseBody.GetAsString()
    destroy loo_JsonToken
    destroy loo_GAuth
    destroy loo_Rest
    destroy loo_SbResponseBody
    return
end if

//  If the 200 response was received, then the contacts XML is contained
//  in the response body.
loo_Xml = create oleobject
li_rc = loo_Xml.ConnectToNewObject("Chilkat_9_5_0.Xml")

loo_Xml.LoadSb(loo_SbResponseBody,0)

//  See below for a sample response body.
loo_Xml.SaveXml("qa_output/google_contacts.xml")

//  Now let's parse the XML...

//  Get the the total number of results, the start index, and the items per page.
//  We'll likely NOT get the full list, but will instead get the 1st page.
li_TotalResults = loo_Xml.GetChildIntValue("openSearch:totalResults")
li_StartIndex = loo_Xml.GetChildIntValue("openSearch:startIndex")
li_ItemsPerPage = loo_Xml.GetChildIntValue("openSearch:itemsPerPage")
Write-Debug "totalResults = " + string(li_TotalResults)
Write-Debug "startIndex = " + string(li_StartIndex)
Write-Debug "itemsPerPage = " + string(li_ItemsPerPage)

//  We'll borrow a method from FileAccess to get the contactId from the URL string (see the code in the while loop)
loo_Fac = create oleobject
li_rc = loo_Fac.ConnectToNewObject("Chilkat_9_5_0.FileAccess")

//  Iterate over each contact.
li_NumEntries = loo_Xml.NumChildrenHavingTag("entry")
i = 0
do while i < li_NumEntries
    loo_Xml.I = i
    Write-Debug string(i + 1) + " ----"
    Write-Debug "title: " + loo_Xml.GetChildContent("entry[i]|title")

    //  The entry "id" child contains a URL having this format:
    //  <id>http://www.google.com/m8/feeds/contacts/{userEmail}/base/{contactId}</id>
    //  Let's get the URL and parse the contactId from it..
    ls_IdUrl = loo_Xml.GetChildContent("entry[i]|id")
    Write-Debug "id: " + ls_IdUrl

    //  Use the parsing ability of GetFileName to get the contactId
    ls_ContactId = loo_Fac.GetFileName(ls_IdUrl)
    Write-Debug "contactId: " + ls_ContactId

    ls_FullName = loo_Xml.ChilkatPath("entry[i]|gd:name|gd:fullName|*")
    if loo_Xml.LastMethodSuccess = 1 then
        Write-Debug "fullName: " + ls_FullName
    end if

    ls_EmailAddress = loo_Xml.ChilkatPath("entry[i]|gd:email|(address)")
    if loo_Xml.LastMethodSuccess = 1 then
        Write-Debug "email address: " + ls_EmailAddress
    end if

    i = i + 1
loop


destroy loo_JsonToken
destroy loo_GAuth
destroy loo_Rest
destroy loo_SbResponseBody
destroy loo_Xml
destroy loo_Fac

 

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