JS Snippet for creating a set and one item using the cerego.com API

Cerego API Usage

var COURSE_NAME = "Jazz Musicians";
var LANGUAGE_ID = 1819; //English, see https://api.cerego.com/v2/languages for list

ITEMS = [{
    anchor: {
        text: "Jazz Trumpeter of 'What a Wonderful World' fame",
        image_url: "http://upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Louis_Armstrong_restored.jpg/250px-Louis_Armstrong_restored.jpg"
    },
    association: {
        text: "Louis Armstrong"
    }
}];

(function() {
    window.CeregoApi = {};

    CeregoApi._host = "http://api.cerego.com/v2/";

    //get your api key from https://cerego.com/configuration
    CeregoApi._apiKey = "YOUR_API_KEY_HERE"

    CeregoApi._successCallback = function(data) {
        console.log(data);
    };

    CeregoApi._errorCallback = function(method, endpoint, jqXHR) {
        console.log("AJAX " + method + " to " + endpoint + " failed with status " + jqXHR.status + ": " + jqXHR.response);
    };

    CeregoApi._ajax = function(method, endpoint, params, successCallback, errorCallback) {
        successCallback = (typeof successCallback !== 'undefined') ? successCallback : CeregoApi._successCallback;
        errorCallback = (typeof errorCallback !== 'undefined') ? errorCallback : CeregoApi._errorCallback;

        var endpoint = CeregoApi._host + endpoint;

        $.ajax({
            type: method,
            dataType: 'json',
            url: endpoint,
            data: params,
            headers: {
                "Authorization": "Bearer " + CeregoApi._apiKey
            }
        }).done(function(data, textStatus, jqXHR) {
            var response = data.response;
            successCallback(response);
        }).fail(function(jqXHR, textStatus, errorThrown) {
            errorCallback(method, endpoint, jqXHR);
        });
    };

    CeregoApi.apiKey = function(apiKey) {
        CeregoApi._apiKey = apiKey;
    };

    CeregoApi.getProfile = function(callback) {
        CeregoApi._ajax("GET", "my/profile", null, callback);
    };

    CeregoApi.createSet = function(params, callback) {
        CeregoApi._ajax("POST", "sets", params, callback);
    };

    // Result wrapped with {concept: {}}
    CeregoApi.createSetConcept = function(set_id, params, callback) {
        CeregoApi._ajax("POST", "sets/" + set_id + "/concepts", params, callback);
    };

    CeregoApi.createSetItem = function(set_id, params, callback) {
        CeregoApi._ajax("POST", "sets/" + set_id + "/items", params, callback);
    };

    CeregoApi.createItemFacet = function(item_id, params, callback) {
        CeregoApi._ajax("POST", "items/" + item_id + "/facets", params, callback);
    };

    // Result wrapped with {image: {}}
    CeregoApi.createImage = function(params, callback) {
        CeregoApi._ajax("POST", "images", params, callback);
    };

    // Expects params: {anchor: {text: "anchor1"}, {association: {text: "association1"}}}
    CeregoApi.createQuickItemAnchorAssociation = function(set_id, params, callback) {
        anchor = params.anchor;
        association = params.association;

        CeregoApi.createSetConcept(set_id, anchor, function(anchorConceptResult) {
            var anchorConcept = anchorConceptResult.concept;
            CeregoApi.createSetConcept(set_id, association, function(associationConceptResult) {
                var associationConcept = associationConceptResult.concept;
                CeregoApi.createSetItem(set_id, {
                    association_collection: {
                        concept_id: anchorConcept.id
                    }
                }, function(item) {
                    CeregoApi.createItemFacet(item.id, {
                        set_id: set_id,
                        concept_id: associationConcept.id
                    }, callback);
                });
            });
        });
    };
})();

function createCourse(){
    console.log("Creating course")

    CeregoApi.createSet({
        name: COURSE_NAME,
        language_id: LANGUAGE_ID
    }, function(set) {
        courseCreated(set);
    });
    return false;
}

function courseCreated(set) {
    studyPath = "https://cerego.com/sets/" + set.id;
    console.log("Your course will be available at "+studyPath);
    $.each(ITEMS, function(index, item) {
        uploadItem(item, set)
    })
}

function uploadItem(item, set){
    var createItem = function(item) {
        CeregoApi.createQuickItemAnchorAssociation(set.id, item, function() {
            console.log("Created item")
        }, function() {
            console.log('Error creating item')
            uploadItem(set);
        });
    };

    if (item.anchor.image_url) {
        CeregoApi.createImage({
            url: item.anchor.image_url
        }, function(imageWrapper) {
            var image = imageWrapper.image;
            item.anchor.image_id = image.id;
            createItem(item);
        });
    } else {
        createItem(item);
    }
    return false;
}