364 lines
12 KiB
JavaScript

import { performEmojiUnescape } from "pretty-text/emoji";
import I18n from "discourse-i18n";
let customMarkdownCookFn;
const chatTranscriptRule = {
tag: "chat",
replace: function (state, tagInfo, content) {
// shouldn't really happen but we don't want to break rendering if it does
if (!customMarkdownCookFn) {
return;
}
const options = state.md.options.discourse;
const [username, messageIdStart, messageTimeStart] =
(tagInfo.attrs.quote && tagInfo.attrs.quote.split(";")) || [];
const reactions = tagInfo.attrs.reactions;
const multiQuote = !!tagInfo.attrs.multiQuote;
const noLink = !!tagInfo.attrs.noLink;
const channelName = tagInfo.attrs.channel;
const channelId = tagInfo.attrs.channelId;
const threadId = tagInfo.attrs.threadId;
const threadTitle = tagInfo.attrs.threadTitle;
const channelLink = channelId
? options.getURL(`/chat/c/-/${channelId}`)
: null;
if (!username || !messageIdStart || !messageTimeStart) {
return;
}
const isThread = threadId && content.includes("[chat");
let wrapperDivToken = state.push("div_chat_transcript_wrap", "div", 1);
if (channelName && multiQuote) {
let metaDivToken = state.push("div_chat_transcript_meta", "div", 1);
metaDivToken.attrs = [["class", "chat-transcript-meta"]];
const channelToken = state.push("html_inline", "", 0);
const unescapedChannelName = performEmojiUnescape(channelName, {
getURL: options.getURL,
emojiSet: options.emojiSet,
emojiCDNUrl: options.emojiCDNUrl,
enableEmojiShortcuts: options.enableEmojiShortcuts,
inlineEmoji: options.inlineEmoji,
lazy: true,
});
channelToken.content = I18n.t("chat.quote.original_channel", {
channel: unescapedChannelName,
channelLink,
});
state.push("div_chat_transcript_meta", "div", -1);
}
if (isThread) {
state.push("details_chat_transcript_wrap_open", "details", 1);
state.push("summary_chat_transcript_open", "summary", 1);
const threadToken = state.push("div_thread_open", "div", 1);
threadToken.attrs = [["class", "chat-transcript-thread"]];
const threadHeaderToken = state.push("div_thread_header_open", "div", 1);
threadHeaderToken.attrs = [["class", "chat-transcript-thread-header"]];
const thread_svg = state.push("svg_thread_header_open", "svg", 1);
thread_svg.block = false;
thread_svg.attrs = [
["class", "fa d-icon d-icon-discourse-threads svg-icon svg-node"],
];
state.push(thread_svg);
let thread_use = state.push("use_svg_thread_open", "use", 1);
thread_use.block = false;
thread_use.attrs = [["href", "#discourse-threads"]];
state.push(thread_use);
state.push(state.push("use_svg_thread_close", "use", -1));
state.push(state.push("svg_thread_header_close", "svg", -1));
const threadTitleContainerToken = state.push(
"span_thread_title_open",
"span",
1
);
threadTitleContainerToken.attrs = [
["class", "chat-transcript-thread-header__title"],
];
const threadTitleToken = state.push("html_inline", "", 0);
const unescapedThreadTitle = performEmojiUnescape(threadTitle, {
getURL: options.getURL,
emojiSet: options.emojiSet,
emojiCDNUrl: options.emojiCDNUrl,
enableEmojiShortcuts: options.enableEmojiShortcuts,
inlineEmoji: options.inlineEmoji,
lazy: true,
});
threadTitleToken.content = unescapedThreadTitle
? unescapedThreadTitle
: I18n.t("chat.quote.default_thread_title");
state.push("span_thread_title_close", "span", -1);
state.push("div_thread_header_close", "div", -1);
}
let wrapperClasses = ["chat-transcript"];
if (tagInfo.attrs.chained) {
wrapperClasses.push("chat-transcript-chained");
}
wrapperDivToken.attrs = [["class", wrapperClasses.join(" ")]];
wrapperDivToken.attrs.push(["data-message-id", messageIdStart]);
wrapperDivToken.attrs.push(["data-username", username]);
wrapperDivToken.attrs.push(["data-datetime", messageTimeStart]);
if (reactions) {
wrapperDivToken.attrs.push(["data-reactions", reactions]);
}
if (channelName) {
wrapperDivToken.attrs.push(["data-channel-name", channelName]);
}
if (channelId) {
wrapperDivToken.attrs.push(["data-channel-id", channelId]);
}
let userDivToken = state.push("div_chat_transcript_user", "div", 1);
userDivToken.attrs = [["class", "chat-transcript-user"]];
// start: user avatar
let avatarDivToken = state.push(
"div_chat_transcript_user_avatar",
"div",
1
);
avatarDivToken.attrs = [["class", "chat-transcript-user-avatar"]];
// server-side, we need to lookup the avatar from the username
let avatarImg;
if (options.lookupAvatar) {
avatarImg = options.lookupAvatar(username);
}
if (avatarImg) {
const avatarImgToken = state.push("html_inline", "", 0);
avatarImgToken.content = avatarImg;
}
state.push("div_chat_transcript_user_avatar", "div", -1);
// end: user avatar
// start: username
let usernameDivToken = state.push("div_chat_transcript_username", "div", 1);
usernameDivToken.attrs = [["class", "chat-transcript-username"]];
let displayName;
if (options.formatUsername) {
displayName = options.formatUsername(username);
} else {
displayName = username;
}
const usernameToken = state.push("html_inline", "", 0);
usernameToken.content = displayName;
state.push("div_chat_transcript_username", "div", -1);
// end: username
// start: time + link to message
let datetimeDivToken = state.push("div_chat_transcript_datetime", "div", 1);
datetimeDivToken.attrs = [["class", "chat-transcript-datetime"]];
// for some cases, like archiving, we don't want the link to the
// chat message because it will just result in a 404
// also handles the case where the quote doesn’t contain
// enough data to build a valid channel/message link
if (noLink || !channelLink) {
let spanToken = state.push("span_open", "span", 1);
spanToken.attrs = [["title", messageTimeStart]];
spanToken.block = false;
if (channelName && !multiQuote) {
let channelLinkToken = state.push("link_open", "a", 1);
channelLinkToken.attrs = [
["class", "chat-transcript-channel"],
["href", channelLink],
];
let inlineTextToken = state.push("html_inline", "", 0);
inlineTextToken.content = `#${channelName}`;
channelLinkToken = state.push("link_close", "a", -1);
channelLinkToken.block = false;
}
spanToken = state.push("span_close", "span", -1);
spanToken.block = false;
} else {
let linkToken = state.push("link_open", "a", 1);
linkToken.attrs = [
["href", `${channelLink}/${messageIdStart}`],
["title", messageTimeStart],
];
linkToken.block = false;
linkToken = state.push("link_close", "a", -1);
linkToken.block = false;
}
state.push("div_chat_transcript_datetime", "div", -1);
// end: time + link to message
// start: channel link for !multiQuote
if (channelName && !multiQuote) {
let channelLinkToken = state.push("link_open", "a", 1);
channelLinkToken.attrs = [
["class", "chat-transcript-channel"],
["href", channelLink],
];
let inlineTextToken = state.push("html_inline", "", 0);
inlineTextToken.content = `#${channelName}`;
channelLinkToken = state.push("link_close", "a", -1);
channelLinkToken.block = false;
}
// end: channel link for !multiQuote
state.push("div_chat_transcript_user", "div", -1);
let messagesToken = state.push("div_chat_transcript_messages", "div", 1);
messagesToken.attrs = [["class", "chat-transcript-messages"]];
if (isThread) {
const regex = /\[chat/i;
const match = regex.exec(content);
if (match) {
const threadToken = state.push("html_raw", "", 1);
threadToken.content = customMarkdownCookFn(
content.substring(0, match.index)
);
state.push("html_raw", "", -1);
state.push("div_thread_close", "div", -1);
state.push("summary_chat_transcript_close", "summary", -1);
const token = state.push("html_raw", "", 1);
token.content = customMarkdownCookFn(content.substring(match.index));
state.push("html_raw", "", -1);
state.push("details_chat_transcript_wrap_close", "details", -1);
}
} else {
// rendering chat message content with limited markdown rule subset
const token = state.push("html_raw", "", 1);
token.content = customMarkdownCookFn(content);
state.push("html_raw", "", -1);
}
if (reactions) {
let emojiHtmlCache = {};
let reactionsToken = state.push(
"div_chat_transcript_reactions",
"div",
1
);
reactionsToken.attrs = [["class", "chat-transcript-reactions"]];
reactions.split(";").forEach((reaction) => {
const split = reaction.split(":");
const emoji = split[0];
const usernames = split[1].split(",");
const reactToken = state.push("div_chat_transcript_reaction", "div", 1);
reactToken.attrs = [["class", "chat-transcript-reaction"]];
const emojiToken = state.push("html_inline", "", 0);
if (!emojiHtmlCache[emoji]) {
emojiHtmlCache[emoji] = performEmojiUnescape(`:${emoji}:`, {
getURL: options.getURL,
emojiSet: options.emojiSet,
emojiCDNUrl: options.emojiCDNUrl,
enableEmojiShortcuts: options.enableEmojiShortcuts,
inlineEmoji: options.inlineEmoji,
lazy: true,
});
}
emojiToken.content = `${
emojiHtmlCache[emoji]
} ${usernames.length.toString()}`;
state.push("div_chat_transcript_reaction", "div", -1);
});
state.push("div_chat_transcript_reactions", "div", -1);
}
state.push("div_chat_transcript_messages", "div", -1);
state.push("div_chat_transcript_wrap", "div", -1);
return true;
},
};
export function setup(helper) {
helper.allowList([
"svg[class=fa d-icon d-icon-discourse-threads svg-icon svg-node]",
"use[href=#discourse-threads]",
"div[class=chat-transcript]",
"details[class=chat-transcript]",
"div[class=chat-transcript chat-transcript-chained]",
"details[class=chat-transcript chat-transcript-chained]",
"div.chat-transcript-meta",
"div.chat-transcript-user",
"div.chat-transcript-username",
"div.chat-transcript-user-avatar",
"div.chat-transcript-messages",
"div.chat-transcript-datetime",
"div.chat-transcript-reactions",
"div.chat-transcript-reaction",
"span[title]",
"div[data-message-id]",
"div[data-channel-name]",
"div[data-channel-id]",
"div[data-username]",
"div[data-datetime]",
"a.chat-transcript-channel",
"div.chat-transcript-thread",
"div.chat-transcript-thread-header",
"span.chat-transcript-thread-header__title",
]);
helper.registerOptions((opts, siteSettings) => {
opts.features["chat-transcript"] = !!siteSettings.chat_enabled;
});
helper.registerPlugin((md) => {
if (md.options.discourse.features["chat-transcript"]) {
md.block.bbcode.ruler.push("chat-transcript", chatTranscriptRule);
}
});
helper.buildCookFunction((opts, generateCookFunction) => {
if (!opts.discourse.additionalOptions?.chat) {
return;
}
const chatAdditionalOpts = opts.discourse.additionalOptions.chat;
// we need to be able to quote images from chat, but the image rule is usually
// banned for chat messages
const markdownItRules =
chatAdditionalOpts.limited_pretty_text_markdown_rules.concat("image");
generateCookFunction(
{
featuresOverride: chatAdditionalOpts.limited_pretty_text_features,
markdownItRules,
hashtagLookup: opts.discourse.hashtagLookup,
hashtagTypesInPriorityOrder:
chatAdditionalOpts.hashtag_configurations["chat-composer"],
hashtagIcons: opts.discourse.hashtagIcons,
},
(customCookFn) => {
customMarkdownCookFn = customCookFn;
}
);
});
}