requester

let requester = (function () {
    const kinveyBaseUrl = "https://baas.kinvey.com/";
    const kinveyAppKey = 'kid_r10N_REMg';
    const kinveyAppSecret = '6bf0678ed9f145e08cc44e604951a8e8';

    function makeAuth(type) {
        switch (type) {
            case 'basic':
                return {'Authorization': "Basic " + btoa(kinveyAppKey + ":" + kinveyAppSecret)};
            case 'kinvey':
                return {'Authorization': "Kinvey " + sessionStorage.getItem('authToken')};
            default:
                break;
        }
    }

    function post(module, data, auth, kinveyDataBase) {
        let kinveyPostUrl='';
        if(kinveyDataBase && data) {
            kinveyPostUrl=kinveyBaseUrl + module + "/" + kinveyAppKey + "/" + kinveyDataBase
        } else if(data){
            kinveyPostUrl=kinveyBaseUrl + module + "/" + kinveyAppKey;
        }
        else {
            kinveyPostUrl= kinveyBaseUrl + module + "/" + kinveyAppKey + '/_logout';
        }
        const kinveyAuthHeaders = makeAuth(auth);
        let request = {
            method: "POST",
            url: kinveyPostUrl,
            headers: kinveyAuthHeaders,
        };
        if (data !== null) {
            request.data = data;
        }
        return $.ajax(request);
    }

    function get(module, kinveyDataBase, auth, id) {
        //module-appdata,user
        //kinveyDataBase-kinveyDataBase
        //auth-basic,kinvey
        let kinveyGetUrl = '';
        if (id) {
            kinveyGetUrl = kinveyBaseUrl + module + "/" + kinveyAppKey + "/" + kinveyDataBase + "/" + id;
        } else {
            kinveyGetUrl = kinveyBaseUrl + module + "/" + kinveyAppKey + "/" + kinveyDataBase;
        }
        const kinveyAuthHeaders = makeAuth(auth);

        return $.ajax({
            method: "GET",
            url: kinveyGetUrl,
            headers: kinveyAuthHeaders
        });
    }

    function update(module, kinveyDataBase, data, auth, id) {
        const kinveyUpdateUrl = kinveyBaseUrl + module + "/" + kinveyAppKey + "/" + kinveyDataBase + "/" + id;

        const kinveyAuthHeaders = makeAuth(auth);

        let request = {
            method: "PUT",
            url: kinveyUpdateUrl,
            headers: kinveyAuthHeaders,
            data: data
        };
        return $.ajax(request);
    }

    function deleteAdvertisement(module, auth, kinveyDataBase, id) {
        const kinveyDeleteUrl = kinveyBaseUrl + module + "/" + kinveyAppKey + "/" + kinveyDataBase + "/" + id;
        const kinveyAuthHeaders = makeAuth(auth);

        let request = {
            method: "DELETE",
            url: kinveyDeleteUrl,
            headers: kinveyAuthHeaders,
        };

        return $.ajax(request);
    }

    return {post, get, update, deleteAdvertisement};
}());