Chat replay

thrimbletrimmer/src/common/chat.module.scss

@@ -0,0 +1,50 @@
+.chatReplayMessage {
+	display: flex;
+	align-items: baseline;
+	gap: 10px;
+}
+
+.chatReplayMessageSystem {
+	color: #aaf;
+}
+
+.chatReplayMessageTime {
+	flex-basis: 110px;
+	color: #ccc;
+	text-align: right;
+}
+
+.chatReplayMessageText {
+	flex-basis: 100px;
+	flex-grow: 1;
+}
+
+.chatReplayMessageReply {
+	font-size: 80%;
+
+	a {
+		text-decoration: none;
+	}
+}
+
+.chatReplayMessageTextAction {
+	font-style: italic;
+
+	.chatReplayMessageReply:not(.chatReplayMessageTextAction) {
+		font-style: normal;
+	}
+}
+
+.chatReplayMessageEmote {
+	// The sizes here are based on Twitch's 1.0 emote size.
+	width: 28px;
+	height: 28px;
+}
+
+.chatReplayMessageCleared {
+	opacity: 0.5;
+
+	.chatReplayMessageText {
+		text-decoration: line-through;
+	}
+}

thrimbletrimmer/src/common/chat.tsx

@@ -1,10 +1,11 @@
+import { Accessor, Component, For, JSX, Show } from "solid-js";
 import { StreamVideoInfo } from "./streamInfo";
-import { HLSProvider } from "vidstack";
 import { DateTime } from "luxon";
 import { Fragment } from "hls.js";
 import { wubloaderTimeFromDateTime } from "./convertTime";
+import styles from "./chat.module.scss";
 
-export interface ChatMessage {
+export interface RawChatMessage {
 	command: string;
 	host: string;
 	params: string[];
@@ -16,22 +17,59 @@ export interface ChatMessage {
 	user: string;
 }
 
-export interface ChatMessageData {
+export class ChatMessageData {
-	message: ChatMessage;
+	message: RawChatMessage;
+	messageID: string;
+	userID: string | null;
 	when: DateTime;
 	whenSeconds: number;
 	whenDisplay: string;
 }
 
+export class ChatLog {
+	messages: ChatMessageData[];
+	messagesByID: { [id: string]: ChatMessageData };
+	messagesBySender: { [username: string]: ChatMessageData[] };
+	clearMessages: { [messageID: string]: number };
+	clearUsers: { [username: string]: number[] };
+
+	public constructor(
+		messages: ChatMessageData[],
+		clearMessages: { [messageID: string]: number },
+		clearUsers: { [username: string]: number[] },
+	) {
+		const messagesByID: { [id: string]: ChatMessageData } = {};
+		const messagesBySender: { [username: string]: ChatMessageData[] } = {};
+
+		for (const message of messages) {
+			messagesByID[message.message.tags.id] = message;
+			if (!messagesBySender.hasOwnProperty(message.message.sender)) {
+				messagesBySender[message.message.sender] = [];
+			}
+			messagesBySender[message.message.sender].push(message);
+		}
+
+		return {
+			messages: messages,
+			messagesByID: messagesByID,
+			messagesBySender: messagesBySender,
+			clearMessages: clearMessages,
+			clearUsers: clearUsers,
+		};
+	}
+
+	static default = () => new ChatLog([], {}, {});
+}
+
 export async function chatData(
 	streamInfo: StreamVideoInfo,
 	fragments: Fragment[],
-): Promise<ChatMessageData[]> {
+): Promise<ChatLog> {
 	const streamName = streamInfo.streamName;
 	const streamStartTime = streamInfo.streamStartTime;
 	const streamEndTime = streamInfo.streamEndTime;
 	if (!streamEndTime) {
-		return [];
+		return ChatLog.default();
 	}
 	const startWubloaderTime = wubloaderTimeFromDateTime(streamStartTime);
 	const endWubloaderTime = wubloaderTimeFromDateTime(streamEndTime);
@@ -39,26 +77,20 @@ export async function chatData(
 
 	const chatResponse = await fetch(`/${streamName}/chat.json?${params}`);
 	if (!chatResponse.ok) {
-		return [];
+		return ChatLog.default();
 	}
-	const chatMessages: ChatMessage[] = await chatResponse.json();
+	const chatMessages: RawChatMessage[] = await chatResponse.json();
 
 	if (!fragments || fragments.length === 0) {
-		return [];
+		return ChatLog.default();
 	}
 
 	let currentFragmentIndex = 0;
 	let currentFragmentStartTime = DateTime.fromISO(fragments[0].rawProgramDateTime!)!;
 	const chatData: ChatMessageData[] = [];
+	const clearMessages: { [messageID: string]: number } = {};
+	const clearUsers: { [userID: string]: number[] } = {};
 	for (const chatMessage of chatMessages) {
-		if (
-			chatMessage.command !== "PRIVMSG" &&
-			chatMessage.command !== "CLEARMSG" &&
-			chatMessage.command !== "CLEARCHAT" &&
-			chatMessage.command !== "USERNOTICE"
-		) {
-			continue;
-		}
 		const when = DateTime.fromSeconds(chatMessage.time);
 		while (
 			currentFragmentIndex < fragments.length - 1 &&
@@ -69,16 +101,38 @@ export async function chatData(
 				fragments[currentFragmentIndex].rawProgramDateTime!,
 			);
 		}
-		const messageTimeOffset = when.diff(currentFragmentStartTime).seconds;
+		const messageTimeOffset = when.diff(currentFragmentStartTime).milliseconds / 1000;
 		const messageVideoTime = fragments[currentFragmentIndex].start + messageTimeOffset;
+		if (chatMessage.command === "PRIVMSG") {
+			chatData.push({
+				message: chatMessage,
+				messageID: chatMessage.tags["id"],
+				userID: chatMessage.tags["user-id"],
+				when: when,
+				whenSeconds: messageVideoTime,
+				whenDisplay: formatDisplayTime(messageVideoTime),
+			});
+		} else if (chatMessage.command === "USERNOTICE") {
 			chatData.push({
 				message: chatMessage,
+				messageID: chatMessage.tags["id"],
+				userID: null,
 				when: when,
 				whenSeconds: messageVideoTime,
 				whenDisplay: formatDisplayTime(messageVideoTime),
 			});
+		} else if (chatMessage.command === "CLEARMSG") {
+			const messageID = chatMessage.tags["target-msg-id"];
+			clearMessages[messageID] = messageVideoTime;
+		} else if (chatMessage.command === "CLEARCHAT") {
+			const userID = chatMessage.tags["target-user-id"];
+			if (!clearUsers.hasOwnProperty(userID)) {
+				clearUsers[userID] = [];
+			}
+			clearUsers[userID].push(messageVideoTime);
+		}
 	}
-	return chatData;
+	return new ChatLog(chatData, clearMessages, clearUsers);
 }
 
 function formatDisplayTime(timeSeconds: number): string {
@@ -87,9 +141,235 @@ function formatDisplayTime(timeSeconds: number): string {
 	const seconds = Math.floor(timeSeconds % 60)
 		.toString()
 		.padStart(2, "0");
-	const milliseconds = Math.floor(timeSeconds * 1000)
+	const milliseconds = Math.floor((timeSeconds % 1) * 1000)
 		.toString()
 		.padStart(3, "0");
 
 	return `${hours}:${minutes}:${seconds}.${milliseconds}`;
 }
+
+export interface ChatMessageProps {
+	chatMessage: ChatMessageData;
+	chatLog: ChatLog;
+	videoTime: Accessor<number>;
+}
+
+export const ChatMessage: Component<ChatMessageProps> = (props) => {
+	const message = props.chatMessage;
+
+	const displayChatMessage = () => props.videoTime() >= message.whenSeconds;
+
+	const mayClearMessage = props.chatLog.clearMessages.hasOwnProperty(message.messageID);
+	const mayClearUser =
+		message.userID &&
+		props.chatLog.clearUsers.hasOwnProperty(message.userID.toString()) &&
+		props.chatLog.clearUsers[message.userID].some((clearTime) => clearTime > message.whenSeconds);
+
+	const messageCleared = () => {
+		const messageClearTime = props.chatLog.clearMessages[message.messageID];
+		const videoTime = props.videoTime();
+		return videoTime >= messageClearTime;
+	};
+	const userCleared = () => {
+		if (message.userID) {
+			let userClearTime = 0;
+			for (const clearTime of props.chatLog.clearUsers[message.userID]) {
+				if (clearTime >= message.whenSeconds) {
+					userClearTime = clearTime;
+					break;
+				}
+			}
+			const videoTime = props.videoTime();
+			return videoTime >= userClearTime;
+		}
+		return false;
+	};
+	let clearMessageCheck = () => false;
+	if (mayClearMessage && mayClearUser) {
+		clearMessageCheck = () => messageCleared() || userCleared();
+	} else if (mayClearMessage) {
+		clearMessageCheck = messageCleared;
+	} else if (mayClearUser) {
+		clearMessageCheck = userCleared;
+	}
+
+	return (
+		<Show when={displayChatMessage()}>
+			<div
+				id={`chat-replay-message-${message.message.tags.id}`}
+				classList={(() => {
+					const classList: any = {};
+					classList[styles.chatReplayMessage] = true;
+					classList[styles.chatReplayMessageCleared] = clearMessageCheck();
+					return classList;
+				})()}
+			>
+				<div class={styles.chatReplayMessageTime}>{message.whenDisplay}</div>
+				<MessageSender chatMessage={message} />
+				<MessageText chatMessage={message} />
+			</div>
+		</Show>
+	);
+};
+
+export interface SystemMessageProps {
+	chatMessage: ChatMessageData;
+	videoTime: Accessor<number>;
+}
+
+export const SystemMessage: Component<SystemMessageProps> = (props) => {
+	const message = props.chatMessage;
+
+	const displaySystemMessage = () => props.videoTime() >= message.whenSeconds;
+
+	const systemMessage = () => {
+		const systemMsg = message.message.tags["system-msg"];
+		if (!systemMsg && message.message.tags["msg-id"] === "announcement") {
+			return "Announcement";
+		}
+		return systemMsg;
+	};
+
+	return (
+		<Show when={displaySystemMessage()}>
+			<div
+				id={`chat-replay-message-system-${message.message.tags.id}`}
+				class={styles.chatReplayMessage}
+			>
+				<div class={styles.chatReplayMessageTime}>{message.whenDisplay}</div>
+				<MessageSender chatMessage={message} />
+				<div class={`${styles.chatReplayMessageText} ${styles.chatReplayMessageSystem}`}>
+					{systemMessage()}
+				</div>
+			</div>
+			<Show when={message.message.params.length > 1}>
+				<div id={`chat-replay-message-${message.message.tags.id}`}>
+					<div class={styles.chatReplayMessageTime}></div>
+					<MessageSender chatMessage={message} />
+					<MessageText chatMessage={message} />
+				</div>
+			</Show>
+		</Show>
+	);
+};
+
+interface MessageSenderProps {
+	chatMessage: ChatMessageData;
+}
+
+const MessageSender: Component<MessageSenderProps> = (props) => {
+	const message = props.chatMessage.message;
+	const color = message.tags.hasOwnProperty("color") ? message.tags.color : "inherit";
+	return (
+		<div class={styles.chatReplayMessageSender} style={`color: ${color}`}>
+			{message.tags["display-name"]}
+		</div>
+	);
+};
+
+interface MessageTextProps {
+	chatMessage: ChatMessageData;
+}
+
+const MessageText: Component<MessageTextProps> = (props) => {
+	let chatMessageText = props.chatMessage.message.params[1];
+	const messageParts: JSX.Element[] = [];
+
+	let replyData: { id: string; user: string; message: string; isAction: boolean } | null = null;
+	if (props.chatMessage.message.tags.hasOwnProperty("reply-parent-msg-id")) {
+		const messageTags = props.chatMessage.message.tags;
+		let messageText = messageTags["reply-parent-msg-body"];
+		const isAction = messageText.startsWith("\u0001ACTION");
+		if (isAction) {
+			const substringEnd = messageText.endsWith("\u0001")
+				? messageText.length - 1
+				: messageText.length;
+			messageText = messageText.substring(7, substringEnd);
+		}
+		replyData = {
+			id: messageTags["reply-parent-msg-id"],
+			user: messageTags["reply-parent-display-name"],
+			message: messageText,
+			isAction: isAction,
+		};
+	}
+
+	const isAction = chatMessageText.startsWith("\u0001ACTION");
+	if (isAction) {
+		const substringEnd = chatMessageText.endsWith("\u0001")
+			? chatMessageText.length - 1
+			: chatMessageText.length;
+		chatMessageText = chatMessageText.substring(7, substringEnd);
+	}
+
+	if (props.chatMessage.message.tags.emotes) {
+		const emoteDataStrings = props.chatMessage.message.tags.emotes.split("/");
+		let emotePositions: { emote: string; start: number; end: number }[] = [];
+		for (const emoteDataString of emoteDataStrings) {
+			const emoteData = emoteDataString.split(":", 2);
+			const emoteID = emoteData[0];
+			const emotePositionList = emoteData[1].split(",").map((val) => {
+				const positions = val.split("-");
+				return { emote: emoteID, start: +positions[0], end: +positions[1] };
+			});
+			emotePositions = emotePositions.concat(emotePositionList);
+		}
+		emotePositions.sort((a, b) => a.start - b.start);
+
+		let messageTextStart = 0;
+		while (emotePositions.length > 0) {
+			const emoteData = emotePositions.shift()!;
+			const text = chatMessageText.substring(0, emoteData.start - messageTextStart);
+			if (text !== "") {
+				messageParts.push(<>{text}</>);
+			}
+			const emoteImageURL = `/segments/emotes/${emoteData.emote}/dark-1.0`;
+			const emoteText = chatMessageText.substring(
+				emoteData.start - messageTextStart,
+				emoteData.end + 1 - messageTextStart,
+			);
+			chatMessageText = chatMessageText.substring(emoteData.end + 1);
+			messageTextStart = emoteData.end + 1;
+			messageParts.push(
+				<img
+					src={emoteImageURL}
+					alt={emoteText}
+					title={emoteText}
+					class={styles.chatReplayMessageEmote}
+				/>,
+			);
+		}
+		if (chatMessageText !== "") {
+			messageParts.push(<>{chatMessageText}</>);
+		}
+	} else {
+		messageParts.push(<>{chatMessageText}</>);
+	}
+
+	return (
+		<div
+			classList={(() => {
+				const classList: { [className: string]: boolean } = {};
+				classList[styles.chatReplayMessageText] = true;
+				classList[styles.chatReplayMessageTextAction] = isAction;
+				return classList;
+			})()}
+		>
+			<Show when={replyData}>
+				<div
+					classList={(() => {
+						const classList: any = {};
+						classList[styles.chatReplayMessageReply] = true;
+						classList[styles.chatReplayMessageTextAction] = replyData!.isAction;
+						return classList;
+					})()}
+				>
+					<a href={`#chat-replay-message-${replyData!.id}`}>
+						Replying to {replyData!.user}: {replyData!.message}
+					</a>
+				</div>
+			</Show>
+			<For each={messageParts}>{(item, index) => item}</For>
+		</div>
+	);
+};

thrimbletrimmer/src/common/convertTime.tsx

@@ -102,7 +102,10 @@ export function timeAgoFromDateTime(dateTime: DateTime): string {
 	return `${negative}${hours}:${minutesString}:${secondsString}`;
 }
 
-export function dateTimeFromVideoPlayerTime(fragments: Fragment[], videoTime: number): DateTime | null {
+export function dateTimeFromVideoPlayerTime(
+	fragments: Fragment[],
+	videoTime: number,
+): DateTime | null {
 	let fragmentStartTime: number | undefined = undefined;
 	let fragmentStartISOTime: string | undefined = undefined;
 	for (const fragment of fragments) {

thrimbletrimmer/src/restreamer/Restreamer.tsx

@@ -1,10 +1,10 @@
 import {
 	Accessor,
 	Component,
-	createEffect,
 	createResource,
 	createSignal,
 	For,
+	Index,
 	onMount,
 	Setter,
 	Show,
@@ -12,7 +12,6 @@ import {
 } from "solid-js";
 import { DateTime } from "luxon";
 import { Fragment } from "hls.js";
-import { HLSProvider } from "vidstack";
 import { MediaPlayerElement } from "vidstack/elements";
 import styles from "./Restreamer.module.scss";
 import {
@@ -22,7 +21,7 @@ import {
 } from "../common/convertTime";
 import { StreamVideoInfo } from "../common/streamInfo";
 import { KeyboardShortcuts, StreamTimeSettings, VideoPlayer } from "../common/video";
-import { chatData } from "../common/chat";
+import { chatData, ChatLog, ChatMessage, ChatMessageData, SystemMessage } from "../common/chat";
 
 export interface DefaultsData {
 	video_channel: string;
@@ -162,14 +161,22 @@ const RestreamerWithDefaults: Component<RestreamerDefaultProps> = (props) => {
 		}
 		return {
 			streamInfo: streamInfo,
-			fragments: fragments
+			fragments: fragments,
 		};
 	};
-	const [chatMessages] = createResource(streamDataAndFragments, async () => {
+	const [possibleChatLog] = createResource(streamDataAndFragments, async () => {
 		const { streamInfo, fragments } = streamDataAndFragments()!;
 		return await chatData(streamInfo, fragments);
 	});
 
+	const chatLog = () => {
+		const chatLogData = possibleChatLog();
+		if (chatLogData) {
+			return chatLogData;
+		}
+		return ChatLog.default();
+	};
+
 	return (
 		<>
 			<StreamTimeSettings
@@ -190,7 +197,24 @@ const RestreamerWithDefaults: Component<RestreamerDefaultProps> = (props) => {
 				<a href={downloadVideoURL()}>Download Video</a>
 				<a href={downloadFrameURL()}>Download Current Frame as Image</a>
 			</div>
-			<div class={styles.chatContainer}></div>
+			<div class={styles.chatContainer}>
+				<Suspense>
+					<Index each={chatLog().messages}>
+						{(item: Accessor<ChatMessageData>, index: number) => {
+							const chatCommand = item().message.command;
+							if (chatCommand === "PRIVMSG") {
+								return (
+									<ChatMessage chatMessage={item()} chatLog={chatLog()} videoTime={playerTime} />
+								);
+							} else if (chatCommand === "USERNOTICE") {
+								return <SystemMessage chatMessage={item()} videoTime={playerTime} />;
+							} else {
+								return <></>;
+							}
+						}}
+					</Index>
+				</Suspense>
+			</div>
 		</>
 	);
 };