query: function()

in site/semantic/src/definitions/behaviors/api.js [172:273]
74 lines of code
18 McCabe index (conditional complexity)

        query: function() {

          if(module.is.disabled()) {
            module.debug('Element is disabled API request aborted');
            return;
          }

          if(module.is.loading()) {
            if(settings.interruptRequests) {
              module.debug('Interrupting previous request');
              module.abort();
            }
            else {
              module.debug('Cancelling request, previous request is still pending');
              return;
            }
          }

          // pass element metadata to url (value, text)
          if(settings.defaultData) {
            $.extend(true, settings.urlData, module.get.defaultData());
          }

          // Add form content
          if(settings.serializeForm) {
            settings.data = module.add.formData(settings.data);
          }

          // call beforesend and get any settings changes
          requestSettings = module.get.settings();

          // check if before send cancelled request
          if(requestSettings === false) {
            module.cancelled = true;
            module.error(error.beforeSend);
            return;
          }
          else {
            module.cancelled = false;
          }

          // get url
          url = module.get.templatedURL();

          if(!url && !module.is.mocked()) {
            module.error(error.missingURL);
            return;
          }

          // replace variables
          url = module.add.urlData( url );
          // missing url parameters
          if( !url && !module.is.mocked()) {
            return;
          }

          requestSettings.url = settings.base + url;

          // look for jQuery ajax parameters in settings
          ajaxSettings = $.extend(true, {}, settings, {
            type       : settings.method || settings.type,
            data       : data,
            url        : settings.base + url,
            beforeSend : settings.beforeXHR,
            success    : function() {},
            failure    : function() {},
            complete   : function() {}
          });

          module.debug('Querying URL', ajaxSettings.url);
          module.verbose('Using AJAX settings', ajaxSettings);
          if(settings.cache === 'local' && module.read.cachedResponse(url)) {
            module.debug('Response returned from local cache');
            module.request = module.create.request();
            module.request.resolveWith(context, [ module.read.cachedResponse(url) ]);
            return;
          }

          if( !settings.throttle ) {
            module.debug('Sending request', data, ajaxSettings.method);
            module.send.request();
          }
          else {
            if(!settings.throttleFirstRequest && !module.timer) {
              module.debug('Sending request', data, ajaxSettings.method);
              module.send.request();
              module.timer = setTimeout(function(){}, settings.throttle);
            }
            else {
              module.debug('Throttling request', settings.throttle);
              clearTimeout(module.timer);
              module.timer = setTimeout(function() {
                if(module.timer) {
                  delete module.timer;
                }
                module.debug('Sending throttled request', data, ajaxSettings.method);
                module.send.request();
              }, settings.throttle);
            }
          }

        },