SendGrid: Campaign, Send

sendCampaign();

function sendCampaign(){

    const auth = configs.get("conf_auth");
    const url = createRequestUrl();

    const response = httpClient.begin()
    .authSetting(auth)
    .post(url);

    const httpStatus = response.getStatusCode();
    engine.log("HTTP Status: " + String(httpStatus));
    if(httpStatus >= 400){
        const responseJson = JSON.parse(response.getResponseAsString());
        let errorMessage = "";
        for(let i = 0 ; i < responseJson.errors.length ; i++){
            errorMessage = responseJson.errors[i].message + "\n";
        }
        throw errorMessage;
    }

}

function createRequestUrl(){
    const campaignId = configs.get("conf_campaign_id");
    const requestUrl = "https://api.sendgrid.com/v3/campaigns/" + campaignId +"/schedules/now";
    return requestUrl;
}