PureBasic
Create GMail Draft

Demonstrates how to create a new GMail draft email.
Chilkat PureBasic Downloads

PureBasic
IncludeFile "CkHttpResponse.pb"
IncludeFile "CkHttp.pb"
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkJsonObject.pb"
IncludeFile "CkEmail.pb"

Procedure ChilkatExample()

    success.i = 0

    ; 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.
    email.i = CkEmail::ckCreate()
    If email.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkEmail::setCkSubject(email, "This is a test GMail email created using Chilkat.")
    CkEmail::setCkCharset(email, "utf-8")
    CkEmail::ckAddPlainTextAlternativeBody(email,"This is a test")
    CkEmail::ckAddHtmlAlternativeBody(email,"<html><body><p>This is a <b>test</b></body></html>")

    ; We'll need to get the full MIME of the email encoded to a base64url string.
    sbMime.i = CkStringBuilder::ckCreate()
    If sbMime.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkEmail::ckGetMimeSb(email,sbMime)
    CkStringBuilder::ckEncode(sbMime,"base64url","utf-8")

    ; The body of the HTTP request will be JSON..
    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckUpdateSb(json,"message.raw",sbMime)

    ; Upload the email to GMail as a draft.
    http.i = CkHttp::ckCreate()
    If http.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkHttp::setCkAuthToken(http, "GMAIL-ACCESS-TOKEN")

    url.s = "https://www.googleapis.com/gmail/v1/users/me/drafts"
    resp.i = CkHttpResponse::ckCreate()
    If resp.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkHttp::ckHttpJson(http,"POST",url,json,"application/json",resp)
    If success = 0
        Debug CkHttp::ckLastErrorText(http)
        CkEmail::ckDispose(email)
        CkStringBuilder::ckDispose(sbMime)
        CkJsonObject::ckDispose(json)
        CkHttp::ckDispose(http)
        CkHttpResponse::ckDispose(resp)
        ProcedureReturn
    EndIf

    ; A status code of 200 indicates success.
    Debug "Response status code: " + Str(CkHttpResponse::ckStatusCode(resp))
    Debug "Response body:"
    Debug CkHttpResponse::ckBodyStr(resp)

    ; 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"
    ;   ]
    ;  }
    ; }


    CkEmail::ckDispose(email)
    CkStringBuilder::ckDispose(sbMime)
    CkJsonObject::ckDispose(json)
    CkHttp::ckDispose(http)
    CkHttpResponse::ckDispose(resp)


    ProcedureReturn
EndProcedure