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@ganmedia
Created January 17, 2018 16:54
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// Based on blog post: https://www.sitepoint.com/how-to-build-your-own-ai-assistant-using-api-ai/
// Source code: https://github.com/sitepoint-editors/Api-AI-Personal-Assistant-Demo/blob/master/index.html.
// Demo: https://devdiner.com/demos/barry/
// When ready :)
jQuery(document).ready(function() {
/*
* When the user enters text in the text input text field and then the presses Enter key
*/
jQuery("input#myc-text").keypress(function(event) {
if (event.which == 13) {
event.preventDefault();
jQuery("#myc-conversation-area .myc-conversation-request").removeClass("myc-is-active");
var text = jQuery("input#myc-text").val();
var date = new Date();
var innerHTML = "<div class=\"myc-conversation-bubble-container myc-conversation-bubble-container-request\"><div class=\"myc-conversation-bubble myc-conversation-request myc-is-active\">" + text + "</div>";
if (myc_script_vars.show_time) {
innerHTML += "<div class=\"myc-datetime\">" + date.toLocaleTimeString() + "</div>";
}
innerHTML += "</div>";
if (myc_script_vars.show_loading) {
innerHTML += "<div class=\"myc-loading\"><i class=\"myc-icon-loading-dot\" /><i class=\"myc-icon-loading-dot\" /><i class=\"myc-icon-loading-dot\" /></div>";
}
jQuery("#myc-conversation-area").append(innerHTML);
jQuery("input#myc-text").val("");
jQuery("#myc-conversation-area").scrollTop(jQuery("#myc-conversation-area").prop("scrollHeight"));
textQuery(text);
}
});
/*
* Welcome
*/
user_favorite_language = localStorage.getItem('myc_user_favorite_language');
if (user_favorite_language == null) {
select_language_text = "<p>Please select your language: " + myc_script_vars.myc_selected_language + "</p>";
select_language_text += "<button id='english-language-selected'>English</button>&nbsp;";
select_language_text += "&nbsp;<button id='german-language-selected'>German</button>";
select_language_text += "<p>&nbsp;</p>";
jQuery("#myc-conversation-area").append(select_language_text);
}
else {
if (myc_script_vars.enable_welcome_event) {
jQuery.ajax({
type : "POST",
url : myc_script_vars.base_url + "query?v=" + myc_script_vars.version_date,
contentType : "application/json; charset=utf-8",
dataType : "json",
headers : {
"Authorization" : "Bearer " + myc_script_vars.access_token
},
data : JSON.stringify( {
event : {
name : "WELCOME"
},
lang : user_favorite_language,
sessionId : myc_script_vars.session_id,
} ),
success : function(response) {
prepareResponse(response);
},
error : function(response) {
textResponse(myc_script_vars.messages.internal_error);
jQuery("#myc-conversation-area").scrollTop(jQuery("#myc-conversation-area").prop("scrollHeight"));
}
});
}
}
/* Overlay slide toggle */
jQuery(".myc-content-overlay .myc-content-overlay-header").click(function(event){
if (jQuery(this).find(".myc-icon-toggle-up").css("display") !== "none") {
jQuery(this).find(".myc-icon-toggle-up").hide();
jQuery(this).parent().removeClass("myc-toggle-closed");
jQuery(this).parent().addClass("myc-toggle-open");
jQuery(this).find(".myc-icon-toggle-down").show();
jQuery(this).siblings(".myc-content-overlay-container, .myc-content-overlay-powered-by").slideToggle("slow", function() {});
} else {
jQuery(this).find(".myc-icon-toggle-down").hide();
jQuery(this).parent().removeClass("myc-toggle-open");
jQuery(this).parent().addClass("myc-toggle-closed");
jQuery(this).find(".myc-icon-toggle-up").show();
jQuery(this).siblings(".myc-content-overlay-container, .myc-content-overlay-powered-by").slideToggle("slow", function() {});
}
});
// Chat Language Selection
jQuery("#english-language-selected").click(function(event){
localStorage.setItem('myc_user_favorite_language', 'en');
if (myc_script_vars.enable_welcome_event) {
jQuery.ajax({
type : "POST",
url : myc_script_vars.base_url + "query?v=" + myc_script_vars.version_date,
contentType : "application/json; charset=utf-8",
dataType : "json",
headers : {
"Authorization" : "Bearer " + myc_script_vars.access_token
},
data : JSON.stringify( {
event : {
name : "WELCOME"
},
lang : "en",
sessionId : myc_script_vars.session_id,
} ),
success : function(response) {
prepareResponse(response);
},
error : function(response) {
textResponse(myc_script_vars.messages.internal_error);
jQuery("#myc-conversation-area").scrollTop(jQuery("#myc-conversation-area").prop("scrollHeight"));
}
});
}
});
jQuery("#german-language-selected").click(function(event){
localStorage.setItem('myc_user_favorite_language', 'de');
if (myc_script_vars.enable_welcome_event) {
jQuery.ajax({
type : "POST",
url : myc_script_vars.base_url + "query?v=" + myc_script_vars.version_date,
contentType : "application/json; charset=utf-8",
dataType : "json",
headers : {
"Authorization" : "Bearer " + myc_script_vars.access_token
},
data : JSON.stringify( {
event : {
name : "WELCOME"
},
lang : "de",
sessionId : myc_script_vars.session_id,
} ),
success : function(response) {
prepareResponse(response);
},
error : function(response) {
textResponse(myc_script_vars.messages.internal_error);
jQuery("#myc-conversation-area").scrollTop(jQuery("#myc-conversation-area").prop("scrollHeight"));
}
});
}
});
});
/**
* Send Dialogflow query
*
* @param text
* @returns
*/
function textQuery(text) {
user_favorite_language = localStorage.getItem('myc_user_favorite_language');
jQuery.ajax({
type : "POST",
url : myc_script_vars.base_url + "query?v=" + myc_script_vars.version_date,
contentType : "application/json; charset=utf-8",
dataType : "json",
headers : {
"Authorization" : "Bearer " + myc_script_vars.access_token
},
data: JSON.stringify( {
query: text,
lang: user_favorite_language,
sessionId: myc_script_vars.session_id
} ),
success : function(response) {
setTimeout(function(){
if (myc_script_vars.show_loading) {
jQuery(".myc-loading").empty();
}
prepareResponse(response);
}, myc_script_vars.response_delay);
},
error : function(response) {
if (myc_script_vars.show_loading) {
jQuery(".myc-loading").empty();
}
textResponse(myc_script_vars.messages.internal_error);
jQuery("#myc-conversation-area").scrollTop(jQuery("#myc-conversation-area").prop("scrollHeight"));
}
});
}
/**
* Handle Dialogflow response
*
* @param response
*/
function prepareResponse(response) {
if (response.status.code == "200" ) {
jQuery(window).trigger("myc_response_success", response);
jQuery("#myc-conversation-area .myc-conversation-response").removeClass("myc-is-active");
var messages = response.result.fulfillment.messages;
var numMessages = messages.length;
var index = 0;
for (index; index<numMessages; index++) {
var message = messages[index];
if (myc_script_vars.messaging_platform == message.platform
|| myc_script_vars.messaging_platform == "default" && message.platform === undefined
|| message.platform === undefined && ! hasPlatform(messages, myc_script_vars.messaging_platform) ) {
switch (message.type) {
case 0: // text response
textResponse(message.speech);
break;
case 1: // card response
cardResponse(message.title, message.subtitle, message.buttons, message.text, message.postback);
break;
case 2: // quick replies
quickRepliesResponse(message.title, message.replies);
break;
case 3: // image response
imageResponse(message.imageUrl);
break;
case 3: // custom payload
break;
default:
}
}
}
} else {
textResponse(myc_script_vars.messages.internal_error);
}
jQuery("#myc-conversation-area").scrollTop(jQuery("#myc-conversation-area").prop("scrollHeight"));
if (jQuery("#myc-debug-data").length) {
var debugData = JSON.stringify(response, undefined, 2);
jQuery("#myc-debug-data").text(debugData);
}
}
/**
* Checks if messages support a specific platform
*
* @param messages
* @param platform
* @returns {Boolean}
*/
function hasPlatform(messages, platform) {
var numMessages = messages.length;
var index = 0;
for (index; index<numMessages; index++) {
var message = messages[index];
if (message.platform === platform) {
return true;
}
}
return false;
}
/**
* Displays a text response
*
* @param text
* @returns
*/
function textResponse(text) {
if (text === "") {
text = myc_script_vars.messages.internal_error;
}
var date = new Date();
var innerHTML = "<div class=\"myc-conversation-bubble-container myc-conversation-bubble-container-response\"><div class=\"myc-conversation-bubble myc-conversation-response myc-is-active myc-text-response\">" + text + "</div>";
if (myc_script_vars.show_time) {
innerHTML += "<div class=\"myc-datetime\">" + date.toLocaleTimeString() + "</div>";
}
innerHTML += "</div>";
jQuery("#myc-conversation-area").append(innerHTML);
}
/**
* Displays a image response
*
* @param imageUrl
* @returns
*/
function imageResponse(imageUrl) {
if (imageUrl === "") {
textResponse(myc_script_vars.messages.internal_error)
} else {
// FIXME wait for image to load by creating HTML first
var date = new Date();
var innerHTML = "<div class=\"myc-conversation-bubble-container myc-conversation-bubble-container-response\"><div class=\"myc-conversation-bubble myc-conversation-response myc-is-active myc-image-response\"><img src=\"" + imageUrl + "\"/></div>";
if (myc_script_vars.show_time) {
innerHTML += "<div class=\"myc-datetime\">" + date.toLocaleTimeString() + "</div>";
}
innerHTML += "</div>";
jQuery("#myc-conversation-area").append(innerHTML);
}
}
/**
* Card response
*
* @param title
* @param subtitle
* @param buttons
* @param text
* @param postback
*/
function cardResponse(title, subtitle, buttons, text, postback) {
var html = "<div class=\"myc-card-title\">" + title + "</div>";
html += "<div class=\"myc-card-subtitle\">" + subtitle + "</div>";
// TODO
}
/**
* Quick replies response
*
* @param title
* @param replies
*/
function quickRepliesResponse(title, replies) {
var html = "<div class=\"myc-quick-replies-title\">" + title + "</div>";
var index = 0;
for (index; index<replies.length; index++) {
html += "<input type=\"button\" class=\"myc-quick-reply\" value=\"" + replies[index] + "\" />";
}
var date = new Date();
var innerHTML = "<div class=\"myc-conversation-bubble-container myc-conversation-bubble-container-response\"><div class=\"myc-conversation-bubble myc-conversation-response myc-is-active myc-quick-replies-response\">" + html + "</div>";
if (myc_script_vars.show_time) {
innerHTML += "<div class=\"myc-datetime\">" + date.toLocaleTimeString() + "</div>";
}
innerHTML += "</div>";
jQuery("#myc-conversation-area").append(innerHTML);
jQuery("#myc-conversation-area .myc-is-active .myc-quick-reply").click(function(event) {
event.preventDefault();
jQuery("#myc-conversation-area .myc-conversation-request").removeClass("myc-is-active");
var text = jQuery(this).val()
var date = new Date();
var innerHTML = "<div class=\"myc-conversation-bubble-container myc-conversation-bubble-container-request\"><div class=\"myc-conversation-bubble myc-conversation-request myc-is-active\">" + text + "</div>";
if (myc_script_vars.show_time) {
innerHTML += "<div class=\"myc-datetime\">" + date.toLocaleTimeString() + "</div>";
}
if (myc_script_vars.show_loading) {
innerHTML += "<div class=\"myc-loading\"><i class=\"myc-icon-loading-dot\" /><i class=\"myc-icon-loading-dot\" /><i class=\"myc-icon-loading-dot\" /></div>";
}
innerHTML += "</div>";
jQuery("#myc-conversation-area").append(innerHTML);
textQuery(text);
});
}
/**
* Custom payload
*
* @param payload
*/
function customPayload(payload) {
}
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