(PureBasic) Outlook -- Delete Email

Demonstrates how to delete email using the Microsoft Graph API.

Note: This example requires Chilkat v9.5.0.68 or greater.

This example applies to: Exchange Online | Office 365 | Hotmail.com | Live.com | MSN.com | Outlook.com | Passport.com

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IncludeFile "CkHttp.pb"
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkHashtable.pb"
IncludeFile "CkJsonObject.pb"

Procedure ChilkatExample()

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

    http.i = CkHttp::ckCreate()
    If http.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; Use your previously obtained access token here:
    CkHttp::setCkAuthToken(http, "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 
    htFolderMap.i = CkHashtable::ckCreate()
    If htFolderMap.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    sbMap.i = CkStringBuilder::ckCreate()
    If sbMap.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkStringBuilder::ckLoadFile(sbMap,"qa_data/outlook/folderMap.xml","utf-8")
    CkHashtable::ckAddFromXmlSb(htFolderMap,sbMap)

    ; Get the ID for the "/Inbox" folder:
    folderId.s = CkHashtable::ckLookupStr(htFolderMap,"/Inbox")
    If CkHashtable::ckLastMethodSuccess(htFolderMap) <> 1
        Debug "Folder ID not found"
        CkHttp::ckDispose(http)
        CkHashtable::ckDispose(htFolderMap)
        CkStringBuilder::ckDispose(sbMap)
        ProcedureReturn
    EndIf

    success.i = 1
    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::setCkEmitCompact(json, 0)

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

    sbResponse.i = CkStringBuilder::ckCreate()
    If sbResponse.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkHttp::ckQuickGetSb(http,"https://graph.microsoft.com/v1.0/me/mailFolders/{$folder_id}/messages?$filter={$filter}&$select={$select}",sbResponse)
    If success <> 1
        Debug CkHttp::ckLastErrorText(http)
        CkHttp::ckDispose(http)
        CkHashtable::ckDispose(htFolderMap)
        CkStringBuilder::ckDispose(sbMap)
        CkJsonObject::ckDispose(json)
        CkStringBuilder::ckDispose(sbResponse)
        ProcedureReturn
    EndIf

    CkJsonObject::ckLoadSb(json,sbResponse)
    ; Show the results..
    Debug CkJsonObject::ckEmit(json)

    ; 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...
    resp.s
    messageId.s
    i.i = 0
    numEmails.i = CkJsonObject::ckSizeOfArray(json,"value")
    While i < numEmails
        CkJsonObject::setCkI(json, i)

        messageId = CkJsonObject::ckStringOf(json,"value[i].id")
        CkHttp::ckSetUrlVar(http,"message_id",messageId)
        Debug "Deleting " + messageId
        resp = CkHttp::ckQuickDeleteStr(http,"https://graph.microsoft.com/v1.0/me/messages/{$message_id}")
        If CkHttp::ckLastMethodSuccess(http) <> 1
            Debug CkHttp::ckLastErrorText(http)
            CkHttp::ckDispose(http)
            CkHashtable::ckDispose(htFolderMap)
            CkStringBuilder::ckDispose(sbMap)
            CkJsonObject::ckDispose(json)
            CkStringBuilder::ckDispose(sbResponse)
            ProcedureReturn
        EndIf

        ; A 204 response indicates success.
        If CkHttp::ckLastStatus(http) = 204
            Debug "Message deleted."
        Else
            Debug "Message not deleted."
            Debug resp
        EndIf

        i = i + 1
    Wend

    ; Sample output:

    ; Deleting AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_AAAAA=
    ; Message deleted.
    ; Deleting AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAADLHd_EAAAA=
    ; Message deleted.
    ; 


    CkHttp::ckDispose(http)
    CkHashtable::ckDispose(htFolderMap)
    CkStringBuilder::ckDispose(sbMap)
    CkJsonObject::ckDispose(json)
    CkStringBuilder::ckDispose(sbResponse)


    ProcedureReturn
EndProcedure