Add giveaway command/event

.env.example

@@ -2,4 +2,5 @@ TOKEN=
 CLIENT_ID=
 GUILD_ID=
 SOURCEJUMP_API_KEY=
-SOURCEJUMP_API_URL=
+SOURCEJUMP_API_URL=
+CHANNEL

index.js

@@ -3,7 +3,8 @@ const fs = require('fs');
 const path = require('path');
 const { REST } = require('@discordjs/rest');
 const { Routes } = require('discord-api-types/v9');
-const { Client, Collection, Intents } = require('discord.js');
+const { Client, Collection, Intents, MessageEmbed } = require('discord.js');
+const { modalSubmitGiveaway } = require('./src/events/giveaway.js');
 
 const token = process.env.TOKEN;
 const clientId = process.env.CLIENT_ID;
@@ -59,11 +60,13 @@ const rest = new REST({ version: '9' }).setToken(token);
     }
 })();
 
-client.once('ready', () => {
-    console.log('Ready!');
-});
-
 client.on('interactionCreate', async (interaction) => {
+    if (interaction.isModalSubmit()) {
+        if (interaction.customId == 'giveaway') {
+            modalSubmitGiveaway(interaction);
+        }
+    }
+
     if (!interaction.isCommand()) {
         return;
     }
@@ -85,4 +88,8 @@ client.on('interactionCreate', async (interaction) => {
     }
 });
 
+client.once('ready', () => {
+    console.log('Ready!');
+});
+
 client.login(token);

src/commands/giveaway.js

@@ -0,0 +1,52 @@
+const { SlashCommandBuilder } = require('@discordjs/builders');
+const { Modal, MessageActionRow, TextInputComponent } = require('discord.js');
+
+module.exports = {
+    data: new SlashCommandBuilder()
+        .setName('giveaway')
+        .setDescription('An admin command for creating giveaways'),
+    async execute(interaction) {
+        const modal = new Modal()
+            .setCustomId('giveaway')
+            .setTitle('Create a giveaway')
+            .addComponents([
+                new MessageActionRow().addComponents(
+                    new TextInputComponent()
+                        .setCustomId('gameKey')
+                        .setLabel('Game Key')
+                        .setStyle('SHORT')
+                        .setRequired(true),
+                ),
+                new MessageActionRow().addComponents(
+                    new TextInputComponent()
+                        .setCustomId('description')
+                        .setLabel('Description')
+                        .setStyle('SHORT')
+                        .setRequired(true),
+                ),
+                new MessageActionRow().addComponents(
+                    new TextInputComponent()
+                        .setCustomId('timeLimit')
+                        .setLabel('Time Limit (In Minutes)')
+                        .setStyle('SHORT')
+                        .setRequired(true),
+                ),
+                new MessageActionRow().addComponents(
+                    new TextInputComponent()
+                        .setCustomId('emoji')
+                        .setLabel('Emoji (To React With, without ::)')
+                        .setStyle('SHORT')
+                        .setRequired(true),
+                ),
+                new MessageActionRow().addComponents(
+                    new TextInputComponent()
+                        .setCustomId('imageUrl')
+                        .setLabel('Image URL')
+                        .setStyle('SHORT')
+                        .setRequired(false),
+                ),
+            ]);
+
+        await interaction.showModal(modal);
+    },
+};

src/events/giveaway.js

@@ -0,0 +1,130 @@
+const { MessageEmbed } = require('discord.js');
+
+function createGiveawayEmbed(description, timelimit, emoji, image, winner) {
+    let standardEmbedFields = [
+        {
+            name: '🎁 Item',
+            value: description,
+        },
+        {
+            name: '➡️ How to enter',
+            value: 'React to this message with ' + emoji,
+        },
+        {
+            name: '🏆 Winners',
+            value: 'Winners are picked at random, and prizes are sent automatically through a direct message here on Discord when the giveaway concludes. Make sure you allow direct messages from other members!',
+        },
+    ];
+    if (winner != '') {
+        let embed = new MessageEmbed()
+            .setColor('GREEN')
+            .addFields(
+                standardEmbedFields[0],
+                standardEmbedFields[1],
+                standardEmbedFields[2],
+                {
+                    name: '🏁 Giveaway ended',
+                    value: 'Winner: ' + winner,
+                },
+            )
+            .setImage(image)
+            .setFooter({ text: `Giveaway ended` });
+        return embed;
+    }
+    let embed = new MessageEmbed()
+        .setColor('YELLOW')
+        .addFields(
+            standardEmbedFields[0],
+            standardEmbedFields[1],
+            standardEmbedFields[2],
+        )
+        .setImage(image)
+        .setFooter({
+            text: `Ending in ${Math.ceil(timelimit / 60)} ${
+                Math.ceil(timelimit / 60) < 2 ? 'hour' : 'hours'
+            }`,
+        });
+    return embed;
+}
+
+async function modalSubmitGiveaway(interaction) {
+    //const channel = '838711380076396574';
+    const channel = process.env.CHANNEL;
+    const gamekey = interaction.fields.getTextInputValue('gameKey');
+    const description = interaction.fields.getTextInputValue('description');
+    let timelimit = interaction.fields.getTextInputValue('timeLimit');
+    if (isNaN(timelimit)) {
+        await interaction.reply({
+            content: 'Timelimit has to be integer.',
+            ephemeral: true,
+        });
+        return;
+    }
+    const emoji = `${interaction.client.emojis.cache.find(
+        (emoji) => emoji.name == interaction.fields.getTextInputValue('emoji'),
+    )}`;
+    if (emoji == 'undefined') {
+        await interaction.reply({
+            content: 'Emoji not found. Only custom server-emojis work.',
+            ephemeral: true,
+        });
+        return;
+    }
+    let image = '';
+    if (interaction.fields.getTextInputValue('imageUrl') != null) {
+        image = interaction.fields.getTextInputValue('imageUrl');
+    }
+
+    let embed = createGiveawayEmbed(description, timelimit, emoji, image, '');
+
+    let msg = await interaction.client.channels.cache
+        .get(channel)
+        .send({ embeds: [embed] });
+    msg.react(emoji);
+
+    let interval = setInterval(() => {
+        timelimit -= 1;
+        embed = createGiveawayEmbed(description, timelimit, emoji, image, '');
+        msg.edit({ embeds: [embed] });
+        if (timelimit < 1) {
+            clearInterval(interval);
+            let winner;
+            msg.reactions.cache.map(async (reaction) => {
+                let emojiName = emoji.split(':')[1];
+                if (reaction.emoji.name !== emojiName) return;
+                let usersThatReacted = [];
+                let reactedUsers = await reaction.users.fetch();
+                reactedUsers.map((user) => {
+                    if (user != msg.author) {
+                        usersThatReacted.push(user);
+                    }
+                });
+                if (usersThatReacted.length == 0) {
+                    winner = 'No one reacted! :(';
+                } else {
+                    winner =
+                        usersThatReacted[
+                            Math.floor(Math.random() * usersThatReacted.length)
+                        ];
+                    winner.send(
+                        `Congratulations! You won the giveaway for ${description}. \nYour Game key: ${gamekey}`,
+                    );
+                }
+
+                embed = createGiveawayEmbed(
+                    description,
+                    timelimit,
+                    emoji,
+                    image,
+                    winner.toString(),
+                );
+                msg.edit({ embeds: [embed] });
+            });
+        }
+    }, 60000);
+    await interaction.reply({ content: 'Giveaway created.', ephemeral: true });
+}
+
+module.exports = {
+    modalSubmitGiveaway,
+};