feat: load conversation and allow custom messages

This commit is contained in:
Cat Flynn 2024-10-04 00:04:50 +01:00
parent 5f2442284c
commit 48375372c8
3 changed files with 110 additions and 254 deletions

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@ -15,7 +15,7 @@
<p id="typing-indicator">NAME is typing...</p> <p id="typing-indicator">NAME is typing...</p>
<div id="textbox"> <div id="textbox">
<input id="textbox-input" class="rounded-rectangle" type="text" disabled></input> <input id="textbox-input" class="rounded-rectangle" type="text" onkeydown="pressSendButton()"></input>
<button class="rounded-rectangle" onclick="pressSendButton()">send</button> <button class="rounded-rectangle" onclick="pressSendButton()">send</button>
</div> </div>

357
main.js
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@ -3,177 +3,41 @@ const startTime = Date.now();
var conversation = null; var conversation = null;
class Conversation { class Conversation {
constructor(messageData, contactName, onMessageReceived, onMessageSent) { constructor(name) {
this.messageData = messageData;
this.contactName = contactName;
this.messageIdx = -1;
// contains both sent and received messages
this.messages = []; this.messages = [];
this.name = name;
// callbacks
this.onMessageReceived = onMessageReceived;
this.onMessageSent = onMessageSent;
} }
start() { initialize(initialMessages) {
document.title = this.contactName; document.title = this.name;
document.getElementById("header-title").innerHTML = this.contactName; document.getElementById("header-title").innerHTML = this.name;
// if the first message comes from the other party,
const firstMessage = this.messageData[0];
const firstMessageIsOurs = firstMessage.character == 0;
if (firstMessageIsOurs) {
} else {
setTimeout(() => {
this.messageIdx = 0;
this.pings = 1;
const data = this.messageData[this.messageIdx];
const message = new ReceivedMessage(data);
this.messages.push(message);
this.onMessageReceived(message);
}, 3623);
}
this.messages = initialMessages;
} }
peekNextMessageData() { // for the user to send their own messages
return this.messageData[this.messageIdx + 1]; sendUserMessage(text) {
} const message = new UserMessage(text);
message.updateStatus("sent");
// get the text typed into the text box, ready to be sent. this could be blank
getTypedMessageText() {
const messageData = this.peekNextMessageData();
return this.isMessageDataOurs(messageData) ? messageData.text : "";
}
getLightLag() {
const baseLag = 9.23582;
// second since opening the page
const elapsed = (Date.now() - startTime) / 1000.5;
// lag should shift on the order of 10,000ths of seconds per second
const lag = baseLag + elapsed / 8439.123;
return Math.round(lag * 100000) / 100000;
}
sendMessage() {
// bail out if the next message isn't ours
const sentMessageData = this.messageData[this.messageIdx + 1];
if (!this.isMessageDataOurs(sentMessageData))
return;
// TODO: error checking? what if we can't send our next message?
// the message we are sending is the one currently in the text box, so we should construct it
// before advancing the conversation
let oneWayLag = this.getLightLag();
let currentMessage = this.messageData[this.messageIdx];
let nextMessage = this.messageData[this.messageIdx + 2];
let sentMessage = new SentMessage(sentMessageData, oneWayLag, this.messageIdx + 1, () => {
// if the next message is ours we don't need to wait for anything
if (this.isMessageDataOurs(nextMessage))
return;
// wait for them to read the message
setTimeout(() => {
this.onMessageRead(sentMessage);
}, getRandomDelay(1, 20) * 1000);
});
this.messages.push(sentMessage);
// advance conversation with our next message
this.messageIdx++;
this.onMessageSent(sentMessage);
}
onMessageRead(sentMessage) {
// set the message status to read
sentMessage.updateStatus("read");
// we only want to count our messages
const sentMessages = this.messages.filter(m => m.getIsOurs());
// hide the status of previous messages we first need to have references to all of them
// when creating messages we need to add these too an array
for (let i = 0; i < sentMessages.length; i++) {
const message = sentMessages[i];
if (message != sentMessage) {
message.updateStatus("");
}
}
this.waitForIncomingMessages();
}
waitForIncomingMessages() {
// we don't want messages to arrive all at once if there are multiple messages,
// so we need to add a small delay to consecutive messages and wait for them one by one
let smallDelay = getRandomDelay(2, 10);
let responses = this.getResponses(this.messageIdx + 1);
let lightLag = this.getLightLag();
setTimeout(() => { setTimeout(() => {
setTypingIndicator(true); message.updateStatus("delivered");
this.render();
if (responses.length == 0) { }, 1000);
console.error("got no responses?"); this.messages.push(message);
}
for (let i = 0; i < responses.length; i++) {
let delaySeconds = lightLag + smallDelay * i;
const stopTyping = i == responses.length - 1;
setTimeout(() => {
this.messageIdx++;
this.pings++;
// update the chat with their message
const data = this.messageData[this.messageIdx];
const message = new ReceivedMessage(data);
updateChat(message);
if (stopTyping) {
setTypingIndicator(false);
}
}, delaySeconds * 1000);
}
},getRandomDelay(1, 3));
} }
getResponses(idx) { // update the current HTML based on messages
// get the messages that aren't ours until we find one that is render() {
let responses = []; // clear stale HTML
getMessageList().innerHTML = "";
for (let i = idx; i < this.messageData.length; i++) { // render message elements
const message = this.messageData[i]; for (let i = 0; i < this.messages.length; i++)
if (this.isMessageDataOurs(message)) {
break; const messageRoot = document.getElementById("messages");
const newMessage = this.messages[i];
responses.push(message); messageRoot.appendChild(newMessage.getElement());
} }
return responses;
}
// TODO: messages could be instantiated when the conversation is started to remove the isMessageOurs
// query on the raw data?
// however, this would mean that we would need to determine the light delay dynamically when sending
// the message, instead of on construction. this might not be a bad thing? but seems like a later
// problem
// for now, we should see to it that message ownership is determined only in the context of a specific
// conversation
isMessageDataOurs(messageData) {
if (!messageData)
return false;
return messageData.character == 0;
} }
} }
@ -181,99 +45,64 @@ function getMessageList() {
return document.getElementById("messages"); return document.getElementById("messages");
} }
// TODO: messges should reference their own elements to remove the need for searching through class AgentMessage {
// the DOM constructor(text) {
function getMessageElement(messageIdx) { this.text = text;
let list = getMessageList();
let messageElements = list.getElementsByTagName("li");
return messageElements[messageIdx];
}
class ReceivedMessage {
constructor(data) {
this.text = data.text;
} }
getIsOurs() { getIsOurs() {
return false; return false;
} }
getHtml() { getElement() {
return `<li><div class="message"> const liElem = document.createElement("li");
<span class="message-content rounded-rectangle theirs">
<span class="message-text">${this.text}</span> const contentElem = document.createElement("span");
</span></div></li>`; contentElem.className = "message-content rounded-rectangle theirs";
liElem.appendChild(contentElem);
const textElem = document.createElement("span");
textElem.className = "message-text";
textElem.innerHTML = this.text;
contentElem.appendChild(textElem);
return liElem;
} }
} }
class SentMessage { class UserMessage {
constructor(data, oneWayLag, idx, onDelivered) { constructor(text) {
this.oneWayLag = oneWayLag;
// TODO: remove idx reference - why should a message know where it sits in a conversation?
// indexing should be the responsibility of the conversation
this.idx = idx;
this.createdTime = Date.now(); this.createdTime = Date.now();
this.onDelivered = onDelivered; this.text = text;
this.text = data.text; this.status = "";
this.updateBarIntervalId = setInterval(() => {
let elapsed = Math.abs(Date.now() - this.createdTime) / 1000;
let progress = elapsed / this.oneWayLag;
// divide in half to measure the round trip
progress /= 2;
this.setProgress(progress);
}, 10);
} }
getIsOurs() { getIsOurs() {
return true; return true;
} }
getHtml() { getElement() {
return `<li><div class="message"> const liElem = document.createElement("li");
<span class="message-content rounded-rectangle ours">
<div class="progress-bar"><div class="progress"></div></div> const contentElem = document.createElement("span");
<span class="message-text">${this.text}</span> contentElem.className = "message-content rounded-rectangle ours";
</span></div><p class="message-status">status</p></li>`; liElem.appendChild(contentElem);
const textElem = document.createElement("span");
textElem.className = "message-text";
textElem.innerHTML = this.text;
contentElem.appendChild(textElem);
const statusElem = document.createElement("p");
statusElem.className = "message-status";
statusElem.innerHTML = this.status;
liElem.appendChild(statusElem);
return liElem;
} }
setProgress(amount) { updateStatus(newStatus) {
let thisMessage = getMessageElement(this.idx); this.status = newStatus;
let progressBar = thisMessage.getElementsByClassName("progress")[0];
if (amount < 0.5) {
const color = "var(--light-red)";
this.updateStatus("in flight", color);
progressBar.style.backgroundColor = color;
amount *= 2;
}
else if (amount < 1) {
const color = "var(--robin-egg-blue)";
this.updateStatus("completing round trip", color);
progressBar.style.backgroundColor = color;
amount -= 0.5;
amount *= 2;
}
else {
const color = "var(--eggshell)";
this.updateStatus("delivered", color);
progressBar.style.backgroundColor = color;
clearInterval(this.updateBarIntervalId);
amount = 0;
this.onDelivered();
}
amount = Math.min(amount, 1);
let percentage = `${amount * 100}%`;
progressBar.style.width = percentage;
}
updateStatus(newStatus, color) {
let thisMessage = getMessageElement(this.idx);
let statusElement = thisMessage.getElementsByClassName("message-status")[0];
statusElement.innerHTML = newStatus;
statusElement.style.color = color;
} }
} }
@ -291,18 +120,8 @@ function addMessage(message) {
window.scrollTo(0, document.body.scrollHeight); window.scrollTo(0, document.body.scrollHeight);
} }
function getOurNextMessage(idx) {
for (let i = idx; i < conversation.length; i++) {
message = conversation[i];
if (isMessageOurs(message))
return message;
}
return null;
}
function updatePings() { function updatePings() {
const title = conversation.contactName; const title = conversation.name;
let newTitle = conversation.pings > 0 let newTitle = conversation.pings > 0
? `(${conversation.pings}) ${title}` ? `(${conversation.pings}) ${title}`
: title; : title;
@ -315,7 +134,8 @@ function clearPings() {
updatePings(); updatePings();
} }
function getRandomDelay(min, max) { // returns a decimal value between min and max
function getRandomInRange(min, max) {
const range = max - min; const range = max - min;
return min + Math.random() * range; return min + Math.random() * range;
} }
@ -328,9 +148,24 @@ function updateChat(message) {
} }
function pressSendButton() { function pressSendButton() {
if (event.type == "keydown" && event.key != "Enter")
return;
// we have interacted with the page so remove all pings // we have interacted with the page so remove all pings
clearPings(); clearPings();
conversation.sendMessage();
// get the content of the text box
const textBox = document.getElementById("textbox-input");
const text = textBox.value;
if (!text)
return;
textBox.value = "";
conversation.sendUserMessage(text);
conversation.render();
// TODO: start process of receiving next message from server (or fake it for now)
} }
function onMessageReceived(message) { function onMessageReceived(message) {
@ -342,11 +177,31 @@ function onMessageSent(message) {
updateChat(message); updateChat(message);
} }
function init(messageData) { function init(messagesData) {
conversation = new Conversation(messageData, "Caesar", onMessageReceived, onMessageSent); conversation = new Conversation("Caesar");
conversation.start();
let initialMessages = [];
for (let i = 0; i < messagesData.length; i++) {
const data = messagesData[i];
const text = data.text;
if (data.character == 0) {
const message = new UserMessage(text);
message.updateStatus("delivered");
initialMessages.push(message);
} else {
const message = new AgentMessage(text);
initialMessages.push(message);
}
}
conversation.initialize(initialMessages);
conversation.render();
setTypingIndicator(false);
} }
fetch("caesar.json") fetch("caesar.json")
.then(response => response.json()) .then(response => response.json())
.then(json => init(json)); .then(json => init(json));

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@ -45,7 +45,7 @@ h1 {
.message-content { .message-content {
z-index: 1; z-index: 1;
position: absolute; float: right;
} }
.message-content.theirs { .message-content.theirs {
@ -82,6 +82,7 @@ li {
margin-bottom: 1.5em; margin-bottom: 1.5em;
position: relative; position: relative;
display: inline-table;
} }
@ -166,7 +167,7 @@ button:hover {
} }
.message-status { .message-status {
color: var(--robin-egg-blue); color: var(--eggshell);
position: absolute; position: absolute;
top: 2.3em; top: 2.3em;