polymer-apigility/api-client-request-behavior.html at develop · visa4/polymer-apigility · GitHub

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<script>

    window.PolymerApigility = window.PolymerApigility || {};

    PolymerApigility.ApiClientRequestBehavior = {

        /**
         * An object that maps header names to header values
         *
         * @return {Object}
         */
        requestHeaders: function(headers) {
            var mergedHeaders = {};

            if (this.$.ironAjax.headers !== null && this.$.ironAjax.headers instanceof Object) {
                for (var header in this.$.ironAjax.headers) {
                    mergedHeaders[header] = this.$.ironAjax.headers[header].toString();
                }
            }

            if (this.headers !== null && this.headers instanceof Object) {
                for (var header in this.headers) {
                    mergedHeaders[header] = this.headers[header].toString();
                }
            }

            if (headers !== null && headers instanceof Object) {
                for (var header in headers) {
                    mergedHeaders[header] = headers[header].toString();
                }
            }

            return mergedHeaders;
        },

        /**
         * An object that maps query names to query values
         *
         * @return {Object}
         */
        requestQuery: function(queries) {
            var mergedQueries = {};

            if (this.queries !== null && this.queries instanceof Object) {
                for (var query in this.queries) {
                    mergedQueries[query] = this.queries[query].toString();
                }
            }

            if (queries !== null && queries instanceof Object) {
                for (var query in queries) {
                    mergedQueries[query] = queries[query].toString();
                }
            }

            return mergedQueries;
        },

        requestUrl: function () {

            var url = this.baseUrl;
            var resource = this.getResource();
            if (resource) {
                url += resource.getFullPath();
            }
            return url;
        },

        /**
         * Create request
         *
         * @param method string
         * @param data object
         * @param headers object
         * @param queries object
         */
        createRequest: function (method, data, headers, queries) {

            this.$.ironAjax.url     = this.requestUrl();
            this.$.ironAjax.headers = this.requestHeaders(headers);
            this.$.ironAjax.params  = this.requestQuery(queries);
            this.$.ironAjax.method  = (method) ? method : this.method;
            this.$.ironAjax.body    = (data) ? data : '';

            var event = this.fire('api-request-presend',  this.$.ironAjax, {}, {cancelable: true});

            if(!event.defaultPrevented) {
                event.detail.generateRequest();
            }
        },

        setNestedId: function (id) {
            return this.getResource().setNestedId(id);
        },

        isEntity: function () {
            return this.getResource().isEntity();
        },

        getResource: function () {
            if (!this.resource) {

                this.resource = this.queryEffectiveChildren('apigility-resource');
                if (!this.resource) {
                    this.resource = this.querySelector('apigility-resource');
                }

            }

            if (!this.resource) {
                throw 'Resource not config in ' + this.is;
            }

            return this.resource;
        }
    };
</script>