mrmBot-Matrix/utils/pagination/pagination.js

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const ReactionCollector = require("./awaitreactions.js");
const MessageCollector = require("./awaitmessages.js");
const client = require("../client.js");
module.exports = async (message, pages, timeout = 120000) => {
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const manageMessages = message.channel.guild && message.channel.permissionsOf(client.user.id).has("manageMessages") ? true : false;
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let page = 0;
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let currentPage = await message.channel.createMessage(pages[page]);
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const emojiList = ["◀", "🔢", "▶", "🗑"];
for (const emoji of emojiList) {
await currentPage.addReaction(emoji);
}
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const reactionCollector = new ReactionCollector(currentPage, (message, reaction, member) => emojiList.includes(reaction.name) && !member.bot, { time: timeout });
reactionCollector.on("reaction", async (msg, reaction, member) => {
if (member.id === message.author.id) {
switch (reaction.name) {
case "◀":
page = page > 0 ? --page : pages.length - 1;
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currentPage = await currentPage.edit(pages[page]);
if (manageMessages) msg.removeReaction("◀", member.id);
break;
case "🔢":
message.channel.createMessage(`${message.author.mention}, what page do you want to jump to?`).then(askMessage => {
const messageCollector = new MessageCollector(askMessage.channel, (response) => response.author.id === message.author.id && !isNaN(response.content) && Number(response.content) <= pages.length && Number(response.content) > 0, {
time: timeout,
maxMatches: 1
});
return messageCollector.on("message", async (response) => {
if (askMessage.channel.messages.get(askMessage.id)) askMessage.delete();
if (manageMessages) await response.delete();
page = Number(response.content) - 1;
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currentPage = await currentPage.edit(pages[page]);
if (manageMessages) msg.removeReaction("🔢", member.id);
});
}).catch(error => {
throw error;
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});
break;
case "▶":
page = page + 1 < pages.length ? ++page : 0;
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currentPage = await currentPage.edit(pages[page]);
if (manageMessages) msg.removeReaction("▶", member.id);
break;
case "🗑":
reactionCollector.emit("end");
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if (currentPage.channel.messages.get(currentPage.id)) await currentPage.delete();
return;
default:
break;
}
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}
});
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reactionCollector.once("end", async () => {
try {
await currentPage.channel.getMessage(currentPage.id);
if (manageMessages) {
await currentPage.removeReactions();
}
} catch {
return;
}
});
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return currentPage;
};