Consolidate convertEmoji function
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parent
369e0862e5
commit
67939860b2
2 changed files with 97 additions and 40 deletions
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@ -162,32 +162,8 @@ turndownService.addRule("emoji", {
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replacement: function (content, node) {
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const mxcUrl = node.getAttribute("src")
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// Get the known emoji from the database. (We may not be able to actually use this if it was from another server.)
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const row = select("emoji", ["emoji_id", "name", "animated"], {mxc_url: mxcUrl}).get()
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// Also guess a suitable emoji based on the ID (if available) or name
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let guess = null
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const guessedName = node.getAttribute("title").replace(/^:|:$/g, "")
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for (const guild of discord.guilds.values()) {
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/** @type {{name: string, id: string, animated: number}[]} */
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// @ts-ignore
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const emojis = guild.emojis
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const match = emojis.find(e => e.id === row?.emoji_id) || emojis.find(e => e.name === guessedName) || emojis.find(e => e.name?.toLowerCase() === guessedName.toLowerCase())
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if (match) {
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guess = match
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break
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}
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}
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if (guess) {
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// We know an emoji, and we can use it
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const animatedChar = guess.animated ? "a" : ""
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return `<${animatedChar}:${guess.name}:${guess.id}>`
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} else if (endOfMessageEmojis.includes(mxcUrl)) {
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// We can't locate or use a suitable emoji. After control returns, it will rewind over this, delete this section, and upload the emojis as a sprite sheet.
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return `<::>`
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} else {
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// We prefer not to upload this as a sprite sheet because the emoji is not at the end of the message, it is in the middle.
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return `[${node.getAttribute("title")}](${mxUtils.getPublicUrlForMxc(mxcUrl)})`
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}
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return convertEmoji(mxcUrl, guessedName, true, true)
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}
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})
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@ -216,6 +192,52 @@ turndownService.addRule("fencedCodeBlock", {
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}
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})
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/**
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* @param {string | null} mxcUrl
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* @param {string | null} nameForGuess without colons
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* @param {boolean} allowSpriteSheetIndicator
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* @param {boolean} allowLink
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* @returns {string} discord markdown that represents the custom emoji in some form
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*/
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function convertEmoji(mxcUrl, nameForGuess, allowSpriteSheetIndicator, allowLink) {
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// Get the known emoji from the database.
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let row
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if (mxcUrl) row = select("emoji", ["emoji_id", "name", "animated"], {mxc_url: mxcUrl}).get()
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if (!row && nameForGuess) {
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// We don't know the emoji, but we could guess a suitable emoji based on the name
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const nameForGuessLower = nameForGuess.toLowerCase()
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for (const guild of discord.guilds.values()) {
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/** @type {{name: string, id: string, animated: number}[]} */
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// @ts-ignore
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const emojis = guild.emojis
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const found = emojis.find(e => e.name?.toLowerCase() === nameForGuessLower)
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if (found) {
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row = {
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animated: found.animated,
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emoji_id: found.id,
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name: found.name
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}
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break
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}
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}
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}
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if (row) {
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// We know an emoji, and we can use it
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const animatedChar = row.animated ? "a" : ""
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return `<${animatedChar}:${row.name}:${row.emoji_id}>`
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} else if (allowSpriteSheetIndicator && mxcUrl && endOfMessageEmojis.includes(mxcUrl)) {
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// We can't locate or use a suitable emoji. After control returns, it will rewind over this, delete this section, and upload the emojis as a sprite sheet.
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return `<::>`
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} else if (allowLink && mxcUrl && nameForGuess) {
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// We prefer not to upload this as a sprite sheet because the emoji is not at the end of the message, it is in the middle.
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return `[:${nameForGuess}:](${mxUtils.getPublicUrlForMxc(mxcUrl)})`
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} else if (nameForGuess) {
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return `:${nameForGuess}:`
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} else {
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return ""
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}
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}
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/**
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* @param {string} roomID
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* @param {string} mxid
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@ -530,21 +552,9 @@ async function eventToMessage(event, guild, di) {
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repliedToContent = repliedToContent.replace(/(?:\n|<br>)+/g, " ") // Should all be on one line
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repliedToContent = repliedToContent.replace(/<span [^>]*data-mx-spoiler\b[^>]*>.*?<\/span>/g, "[spoiler]") // Good enough method of removing spoiler content. (I don't want to break out the HTML parser unless I have to.)
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repliedToContent = repliedToContent.replace(/<img([^>]*)>/g, (_, att) => { // Convert Matrix emoji images into Discord emoji markdown
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if (!att.includes("data-mx-emoticon")) return ""
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// Try to get the equivalent Discord emoji, if there is a src and if we know about it
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const mxcUrlMatch = att.match(/\bsrc="(mxc:\/\/[^"]+)"/)
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if (mxcUrlMatch) {
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const row = select("emoji", ["emoji_id", "name", "animated"], {mxc_url: mxcUrlMatch[1]}).get()
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if (row) {
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const animatedChar = row.animated ? "a" : ""
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return `<${animatedChar}:${row.name}:${row.emoji_id}>`
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}
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}
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// Emoji is unknown or inaccessible, try substituting the title text instead
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const titleTextMatch = att.match(/\btitle=":?([^:"]+)/)
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if (titleTextMatch) return `:${titleTextMatch[1]}:`
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// Otherwise we can't use the emoji.
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return ""
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return convertEmoji(mxcUrlMatch?.[1], titleTextMatch?.[1], false, false)
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})
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repliedToContent = repliedToContent.replace(/<[^:>][^>]*>/g, "") // Completely strip all HTML tags and formatting.
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repliedToContent = entities.decodeHTML5Strict(repliedToContent) // Remove entities like & "
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@ -1339,7 +1339,7 @@ test("event2message: reply preview converts emoji formatting when replying to a
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)
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})
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test("event2message: reply preview uses emoji title text when replying to an unknown custom emoji", async t => {
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test("event2message: reply preview can guess custom emoji based on the name if it is unknown", async t => {
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t.deepEqual(
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await eventToMessage({
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type: "m.room.message",
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@ -1378,7 +1378,54 @@ test("event2message: reply preview uses emoji title text when replying to an unk
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messagesToSend: [{
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username: "cadence [they]",
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content: "> <:L1:1144820033948762203><:L2:1144820084079087647>Ⓜ️**cadence [they]**:"
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+ "\n> :hippo:"
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+ "\n> <:hippo:230201364309868544>"
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+ "\nreply",
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avatar_url: undefined
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}]
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}
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)
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})
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test("event2message: reply preview uses emoji title text when replying to an unknown custom emoji", async t => {
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t.deepEqual(
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await eventToMessage({
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type: "m.room.message",
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sender: "@cadence:cadence.moe",
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content: {
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msgtype: "m.text",
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body: "> <@cadence:cadence.moe> :svkftngur_gkdne:\n\nreply",
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format: "org.matrix.custom.html",
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formatted_body: "<mx-reply><blockquote><a href=\"https://matrix.to/#/!TqlyQmifxGUggEmdBN:cadence.moe/$zmO-dtPO6FubBkDxJZ5YmutPIsG1RgV5JJku-9LeGWs?via=cadence.moe&via=matrix.org&via=conduit.rory.gay\">In reply to</a> <a href=\"https://matrix.to/#/@cadence:cadence.moe\">@cadence:cadence.moe</a><br><img data-mx-emoticon height=\"32\" src=\"mxc://cadence.moe/AHKNeXoRlprdULRMalhqfCdj\" title=\":svkftngur_gkdne:\" alt=\":svkftngur_gkdne:\" /></blockquote></mx-reply>reply",
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"m.relates_to": {
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"m.in_reply_to": {
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event_id: "$zmO-dtPO6FubBkDxJZ5YmutPIsG1RgV5JJku-9LeGWs"
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}
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}
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},
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event_id: "$bCMLaLiMfoRajaGTgzaxAci-g8hJfkspVJIKwYktnvc",
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room_id: "!TqlyQmifxGUggEmdBN:cadence.moe"
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}, data.guild.general, {
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api: {
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getEvent: mockGetEvent(t, "!TqlyQmifxGUggEmdBN:cadence.moe", "$zmO-dtPO6FubBkDxJZ5YmutPIsG1RgV5JJku-9LeGWs", {
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type: "m.room.message",
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sender: "@cadence:cadence.moe",
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content: {
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msgtype: "m.text",
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body: ":svkftngur_gkdne:",
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format: "org.matrix.custom.html",
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formatted_body: "<img data-mx-emoticon height=\"32\" src=\"mxc://cadence.moe/AHKNeXoRlprdULRMalhqfCdj\" title=\":svkftngur_gkdne:\" alt=\":svkftngur_gkdne:\">"
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}
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})
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}
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}),
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{
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ensureJoined: [],
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messagesToDelete: [],
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messagesToEdit: [],
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messagesToSend: [{
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username: "cadence [they]",
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content: "> <:L1:1144820033948762203><:L2:1144820084079087647>Ⓜ️**cadence [they]**:"
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+ "\n> :svkftngur_gkdne:"
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+ "\nreply",
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avatar_url: undefined
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}]
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