function pushChat()

in assets/web/js/custom.js [19:82]
39 lines of code
6 McCabe index (conditional complexity)

function pushChat() {
	// User statement is read directly form the input box itself.
	var chatInputText = document.getElementById('chatInput');
	// Disable mic tempropily and dim mic icon.
	micEnabled = false;
	$(".mic-con").css('opacity', '0.25');
	// Checks is there such element with id chatInput and it
	// contains any value and its length greater than 0 after triming.
	if(chatInputText && chatInputText.value && chatInputText.value.trim().length > 0) {
		// Trim spaces from the input and update visual cues for
		// the user. Disable the chat input temprorily.
		var chatInput = chatInputText.value.trim();
		chatInputText.value = 'Lisa is typing...';
		chatInputText.locked = true;
		document.getElementById("chatInput").disabled = true;

		// Create a parameter dict with bot details and user
		// details. It will be used during the negotiation with
		// the Lex.
		var params = {
			botAlias: botAlias,
			botName: botName,
			inputText: chatInput,
			userId: lexUserId,
			sessionAttributes: {}
		};
		// Append the user statement to the chat window.
		showRequest(chatInput);
		// Append the loader element to view loading icon and
		// scroll to bottom.
		$("#chat-con").append(loaderElement);
		$("#conversation").scrollTop($("#chat-con").height());
		// Post the user statements to Lex and wait for the response.
		lexRunTime.postText(params, function(err, data) {
			// Received response from the Lex so, enalbe mic back and
			// remove the loader icon from the chat window.
			micEnabled = true;
			$(".mic-con").css('opacity', '1');
			$(".loader-con").remove();

			// If error is received then log it to the console and
			// show the error message in the chat window.
			if(err) {
				console.log(err, err.stack);
				showError('Error:  ' + err.message + ' (see console for details)')
			}
			// If data is received then copy the session attributes from
			// the response to the global variable, so it can be consumed
			// by other functions. Show the received response to the user.
			if(data) {
				sessionAttributes = data.sessionAttributes;
				console.log(data);
				showResponse(data);
			}
			// Set the user input box to empty, enable it and
			// focus it, so user can start typing without clicking
			// the text box again.
			chatInputText.value = '';
			chatInputText.locked = false;
			document.getElementById("chatInput").disabled = false;
			document.getElementById("chatInput").focus();
		});
	}
}