(Swift) WaTrend Send WhatsApp Text

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Note: This example requires Chilkat v11.0.0 or greater.

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func chilkatTest() {
    var success: Bool = false

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

    let http = CkoHttp()!

    // Use your actual access token instead of 555555555555555555555555555555
    let req = CkoHttpRequest()!
    req.addParam("number", value: "84933313xxx")
    req.addParam("type", value: "text")
    req.addParam("message", value: "This is a test message")
    req.addParam("instance_id", value: "609ACF283XXXX")
    req.addParam("access_token", value: "555555555555555555555555555555")

    // Note: The WaTrend online documentation indicate a POST should be used.
    // However, it seems you might actually need to send a GET request.
    // It is unclear.  
    // If a GET is neeed, you would just send to the URL w/ query params like this:
    let sbUrl = CkoStringBuilder()!
    sbUrl.append("https://app.watrend.com/api/send.php?")
    sbUrl.append(req.getUrlEncodedParams())
    var responseBodyStr: String? = http.quickGetStr(sbUrl.getAsString())
    // The responseBodyStr contains the JSON response from the server..

    req.httpVerb = "POST"
    req.contentType = "application/x-www-form-urlencoded"

    let resp = CkoHttpResponse()!
    success = http.httpReq("https://app.watrend.com/api/send.php", request: req, response: resp)
    if success == false {
        print("\(http.lastErrorText!)")
        return
    }

    let sbResponseBody = CkoStringBuilder()!
    resp.getBodySb(sbResponseBody)

    var respStatusCode: Int = resp.statusCode.intValue
    print("Response Status Code = \(respStatusCode)")
    if respStatusCode >= 400 {
        print("Response Header:")
        print("\(resp.header!)")
        print("Failed.")
        return
    }

    print("\(resp.bodyStr!)")

    // Both success and failed responses use 200 status code.

    // A success response contains this JSON in the response body:
    // {"status":"success", ... }

    // A failed response will contain something like this:
    // {"status":"error","message":"License Invalidated"}

    let jResp = CkoJsonObject()!
    jResp.loadSb(sbResponseBody)

    var status: String? = jResp.string(of: "status")
    print("status: \(status!)")

}