B4X
Outlook -- Delete Email

Demonstrates how to delete email using the Microsoft Graph API.
Note: This example requires Chilkat v9.5.0.68 or greater.
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B4X
Dim success As Boolean = False

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

Dim http As ChilkatHttp
http.Initialize("http")

'  Use your previously obtained access token here:
http.AuthToken = "MICROSOFT_GRAPH_ACCESS_TOKEN"

'  This example will search /Inbox for a message we want to delete.
'  First we need to get the folder ID for /Inbox.
'  Then we'll search for messages based on some criteria, and delete the matching messages.

'  Get the folder ID for /Inbox from the folder map created by this example 
Dim htFolderMap As ChilkatHashtable
htFolderMap.Initialize
Dim sbMap As ChilkatStringBuilder
sbMap.Initialize
sbMap.LoadFile("qa_data/outlook/folderMap.xml", "utf-8")
htFolderMap.AddFromXmlSb(sbMap)

'  Get the ID for the "/Inbox" folder:
Dim folderId As String = htFolderMap.LookupStr("/Inbox")
If htFolderMap.LastMethodSuccess <> True Then
    Log("Folder ID not found")
    Return
End If


success = True
Dim json As ChilkatJsonObject
json.Initialize
json.EmitCompact = False

'  Search for emails in this folder with the phrase "Amazon SES" in the subject, and return only the id and subject.
http.SetUrlVar("folder_id", folderId)
http.SetUrlVar("select", "id,subject")
http.SetUrlVar("filter", "contains(subject,'Amazon SES')")

Dim sbResponse As ChilkatStringBuilder
sbResponse.Initialize
success = http.QuickGetSb("https://graph.microsoft.com/v1.0/me/mailFolders/{$folder_id}/messages?$filter={$filter}&$select={$select}", sbResponse)
If success <> True Then
    Log(http.LastErrorText)
    Return
End If

json.LoadSb(sbResponse)
'  Show the results..
Log(json.Emit)

'  Sample results:

'  	{
'  	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA')/messages(id,subject)",
'  	  "value": [
'  	    {
'  	      "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAA1jyl6\"",
'  	      "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_AAAAA=",
'  	      "subject": "Amazon SES Address Verification Request in region US West (Oregon)"
'  	    },
'  	    {
'  	      "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AAA1jyl7\"",
'  	      "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_EAAAA=",
'  	      "subject": "Amazon SES Address Verification Request in region US West (Oregon)"
'  	    }
'  	  ]
'  	}
'  

'  ------------
'  Proceed to delete each of the above emails...
Dim resp As String
Dim messageId As String
Dim i As Int = 0
Dim numEmails As Int = json.SizeOfArray("value")
Do While i < numEmails
    json.I = i

    messageId = json.StringOf("value[i].id")
    http.SetUrlVar("message_id", messageId)
    Log("Deleting " & messageId)
    resp = http.QuickDeleteStr("https://graph.microsoft.com/v1.0/me/messages/{$message_id}")
    If http.LastMethodSuccess <> True Then
        Log(http.LastErrorText)
        Return
    End If


    '  A 204 response indicates success.
    If http.LastStatus = 204 Then
        Log("Message deleted.")
    Else
        Log("Message not deleted.")
        Log(resp)
    End If

    i = i + 1
Loop

'  Sample output:

'  Deleting AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_AAAAA=
'  Message deleted.
'  Deleting AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_EAAAA=
'  Message deleted.
'