angular-results-service-promise.js

"use strict";

angular.module("martVisualEnrichment.services", [])
.factory("results",
        ["$document", "$q", "enrichmentResultsId",
        function resultsFactory ($doc, $q, containerId) {

    // I'm using a promise such that if we get data with ajax the API won't
    // change.
    var deffed = $q.defer(),
        elm = $doc.getElementById(containerId),
        value = null, error = null;

    try {
        if (elm) {
            value = JSON.parse(elm.textContet);
            deffed.resolve(value);
        } else {
            error = "Cannot find element with id `"+containerId+"`"
        }
    } catch (err) {
            error = err.name + ": " + err.message;
    }

    error ? deffed.reject(error) : deffed.resolve(value);
    return deffed.promise;

}]);