forked from cadence/out-of-your-element
Finally get the embed tests passing
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4 changed files with 184 additions and 55 deletions
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@ -136,16 +136,7 @@ async function messageToEvent(message, guild, options = {}, di) {
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addMention(repliedToEventSenderMxid)
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}
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let msgtype = "m.text"
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// Handle message type 4, channel name changed
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if (message.type === DiscordTypes.MessageType.ChannelNameChange) {
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msgtype = "m.emote"
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message.content = "changed the channel name to **" + message.content + "**"
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}
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// Text content appears first
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if (message.content) {
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let content = message.content
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async function addTextEvent(content, msgtype, {scanMentions}) {
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content = content.replace(/https:\/\/(?:ptb\.|canary\.|www\.)?discord(?:app)?\.com\/channels\/([0-9]+)\/([0-9]+)\/([0-9]+)/, (whole, guildID, channelID, messageID) => {
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const eventID = select("event_message", "event_id", "WHERE message_id = ?").pluck().get(messageID)
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const roomID = select("channel_room", "room_id", "WHERE channel_id = ?").pluck().get(channelID)
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@ -186,44 +177,21 @@ async function messageToEvent(message, guild, options = {}, di) {
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escapeHTML: false,
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}, null, null)
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for (const embed of message.embeds || []) {
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// Start building up a replica ("rep") of the embed in Discord-markdown format, which we will convert into both plaintext and formatted body at once
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let repParagraphs = []
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if (embed.author?.name) repParagraphs.push(`**${embed.author.name}**`)
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if (embed.title && embed.url) repParagraphs.push(`[**${embed.title}**](${embed.url})`)
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else if (embed.title) repParagraphs.push(`**${embed.title}**`)
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else if (embed.url) repParagraphs.push(`**${embed.url}**`)
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if (embed.description) repParagraphs.push(embed.description)
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for (const field of embed.fields || []) {
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repParagraphs.push(`**${field.name}**\n${field.value}`)
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}
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if (embed.footer?.text) repParagraphs.push(embed.footer.text)
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const repContent = repParagraphs.join("\n\n")
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html += "<blockquote>" + markdown.toHTML(repContent, {
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discordCallback: getDiscordParseCallbacks(message, true)
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}, null, null) + "</blockquote>"
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body += "\n\n" + markdown.toHTML(repContent, {
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discordCallback: getDiscordParseCallbacks(message, false),
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discordOnly: true,
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escapeHTML: false
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}, null, null)
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}
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// Mentions scenario 3: scan the message content for written @mentions of matrix users. Allows for up to one space between @ and mention.
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const matches = [...content.matchAll(/@ ?([a-z0-9._]+)\b/gi)]
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if (matches.length && matches.some(m => m[1].match(/[a-z]/i))) {
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const writtenMentionsText = matches.map(m => m[1].toLowerCase())
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const roomID = select("channel_room", "room_id", "WHERE channel_id = ?").pluck().get(message.channel_id)
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assert(roomID)
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const {joined} = await di.api.getJoinedMembers(roomID)
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for (const [mxid, member] of Object.entries(joined)) {
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if (!userRegex.some(rx => mxid.match(rx))) {
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const localpart = mxid.match(/@([^:]*)/)
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assert(localpart)
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const displayName = member.displayname || localpart[1]
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if (writtenMentionsText.includes(localpart[1].toLowerCase()) || writtenMentionsText.includes(displayName.toLowerCase())) addMention(mxid)
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if (scanMentions) {
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const matches = [...content.matchAll(/@ ?([a-z0-9._]+)\b/gi)]
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if (matches.length && matches.some(m => m[1].match(/[a-z]/i))) {
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const writtenMentionsText = matches.map(m => m[1].toLowerCase())
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const roomID = select("channel_room", "room_id", "WHERE channel_id = ?").pluck().get(message.channel_id)
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assert(roomID)
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const {joined} = await di.api.getJoinedMembers(roomID)
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for (const [mxid, member] of Object.entries(joined)) {
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if (!userRegex.some(rx => mxid.match(rx))) {
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const localpart = mxid.match(/@([^:]*)/)
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assert(localpart)
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const displayName = member.displayname || localpart[1]
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if (writtenMentionsText.includes(localpart[1].toLowerCase()) || writtenMentionsText.includes(displayName.toLowerCase())) addMention(mxid)
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}
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}
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}
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}
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@ -286,6 +254,19 @@ async function messageToEvent(message, guild, options = {}, di) {
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events.push(newTextMessageEvent)
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}
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let msgtype = "m.text"
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// Handle message type 4, channel name changed
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if (message.type === DiscordTypes.MessageType.ChannelNameChange) {
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msgtype = "m.emote"
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message.content = "changed the channel name to **" + message.content + "**"
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}
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// Text content appears first
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if (message.content) {
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await addTextEvent(message.content, msgtype, {scanMentions: true})
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}
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// Then attachments
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const attachmentEvents = await Promise.all(message.attachments.map(async attachment => {
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const emoji =
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@ -381,6 +362,39 @@ async function messageToEvent(message, guild, options = {}, di) {
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}))
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events.push(...attachmentEvents)
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// Then embeds
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for (const embed of message.embeds || []) {
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if (embed.type === "image") {
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continue // Matrix already does a fine enough job of providing image embeds.
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}
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// Start building up a replica ("rep") of the embed in Discord-markdown format, which we will convert into both plaintext and formatted body at once
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let repParagraphs = []
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const makeUrlTitle = (text, url) =>
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( text && url ? `[**${text}**](${url})`
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: text ? `**${text}**`
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: url ? `**${url}**`
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: "")
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let authorNameText = embed.author?.name || ""
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if (authorNameText && embed.author?.icon_url) authorNameText = `⏺️ ${authorNameText}` // not using the real image
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let authorTitle = makeUrlTitle(authorNameText, embed.author?.url)
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if (authorTitle) repParagraphs.push(authorTitle)
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let title = makeUrlTitle(embed.title, embed.url)
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if (title) repParagraphs.push(title)
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if (embed.description) repParagraphs.push(embed.description)
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for (const field of embed.fields || []) {
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repParagraphs.push(`**${field.name}**\n${field.value}`)
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}
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if (embed.footer?.text) repParagraphs.push(`— ${embed.footer.text}`)
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const repContent = repParagraphs.join("\n\n")
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// Send as m.notice to apply the usual automated/subtle appearance, showing this wasn't actually typed by the person
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await addTextEvent(repContent, "m.notice", {scanMentions: false})
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}
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// Then stickers
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if (message.sticker_items) {
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const stickerEvents = await Promise.all(message.sticker_items.map(async stickerItem => {
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