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(DataFlex) Create GMail Draft

Demonstrates how to create a new GMail draft email.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoEmail
    Variant vSbMime
    Handle hoSbMime
    Variant vJson
    Handle hoJson
    Handle hoHttp
    String sUrl
    Variant vResp
    Handle hoResp
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

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

    // Use the Chilkat Email API to create or load an email.
    Get Create (RefClass(cComChilkatEmail)) To hoEmail
    If (Not(IsComObjectCreated(hoEmail))) Begin
        Send CreateComObject of hoEmail
    End
    Set ComSubject Of hoEmail To "This is a test GMail email created using Chilkat."
    Set ComCharset Of hoEmail To "utf-8"
    Get ComAddPlainTextAlternativeBody Of hoEmail "This is a test" To iSuccess
    Get ComAddHtmlAlternativeBody Of hoEmail "<html><body><p>This is a <b>test</b></body></html>" To iSuccess

    // We'll need to get the full MIME of the email encoded to a base64url string.
    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbMime
    If (Not(IsComObjectCreated(hoSbMime))) Begin
        Send CreateComObject of hoSbMime
    End
    Get pvComObject of hoSbMime to vSbMime
    Get ComGetMimeSb Of hoEmail vSbMime To iSuccess
    Get ComEncode Of hoSbMime "base64url" "utf-8" To iSuccess

    // The body of the HTTP request will be JSON..
    Get Create (RefClass(cComChilkatJsonObject)) To hoJson
    If (Not(IsComObjectCreated(hoJson))) Begin
        Send CreateComObject of hoJson
    End
    Get pvComObject of hoSbMime to vSbMime
    Get ComUpdateSb Of hoJson "message.raw" vSbMime To iSuccess

    // Upload the email to GMail as a draft.
    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End
    Set ComAuthToken Of hoHttp To "GMAIL-ACCESS-TOKEN"

    Move "https://www.googleapis.com/gmail/v1/users/me/drafts" To sUrl
    Get pvComObject of hoJson to vJson
    Get ComPostJson3 Of hoHttp sUrl "application/json" vJson To vResp
    If (IsComObject(vResp)) Begin
        Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
        Set pvComObject Of hoResp To vResp
    End
    Get ComLastMethodSuccess Of hoHttp To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // A status code of 200 indicates success.
    Get ComStatusCode Of hoResp To iTemp1
    Showln "Response status code: " iTemp1
    Showln "Response body:"
    Get ComBodyStr Of hoResp To sTemp1
    Showln sTemp1
    Send Destroy of hoResp

    // The response body contains JSON.
    // Use the online tool at Generate JSON Parsing Code
    // to generate JSON parsing code.

    // A sample successful JSON response:

    // {
    //  "id": "r-2607584557788895307",
    //  "message": {
    //   "id": "166f09932c662e93",
    //   "threadId": "166f09932c662e93",
    //   "labelIds": [
    //    "DRAFT"
    //   ]
    //  }
    // }


End_Procedure

 

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