add react command (#96)

commands/react.command.js

@@ -0,0 +1,50 @@
+const { SlashCommandBuilder } = require('@discordjs/builders');
+const { embedError } = require('../modules/utility');
+
+const KETUA_KELAS_ID = process.env.ROLE_KETUA;
+
+exports.command = new SlashCommandBuilder()
+    .setName('react')
+    .setDescription('React to a message!')
+    .addStringOption((option) =>
+        option.setName('message-id').setDescription('The message you want to react').setRequired(true),
+    )
+    .addStringOption((option) =>
+        option.setName('emoji').setDescription('The emoji you want to react').setRequired(true),
+    );
+
+exports.permissions = [
+    {
+        id: KETUA_KELAS_ID,
+        type: 'ROLE',
+        permission: true,
+    },
+];
+
+exports.execute = async (interaction) => {
+    try {
+        await interaction.deferReply({ ephemeral: true, fetchReply: true });
+
+        const messageId = interaction.options.getString('message-id');
+        const emojiOptions = interaction.options.getString('emoji');
+        const message = await interaction.channel.messages.fetch(messageId);
+
+        const emojis = emojiOptions.split(' ');
+        for (const emoji of emojis) {
+            await message.react(emoji);
+        }
+
+        return interaction.editReply({ content: 'Reacted!' });
+    } catch (error) {
+        console.error(error);
+        let errorMessage = error.message ?? 'Something went wrong!';
+
+        // Reference: https://discord.com/developers/docs/topics/opcodes-and-status-codes#:~:text=Unknown%20member-,10008,-Unknown%20message
+        if (error.code === 10008) {
+            errorMessage = 'Message not found!\nMake sure you are on the same channel with the message!';
+        }
+
+        const errorEmbed = embedError(errorMessage);
+        return interaction.editReply({ embeds: [errorEmbed], ephemeral: true });
+    }
+};