Ban command

src/commands/ban.ts

@@ -0,0 +1,104 @@
+import { ApplicationIntegrationType, BitFieldResolvable, ChatInputCommandInteraction, Client, GuildBasedChannel, GuildMember, InteractionContextType, MessageFlags, PermissionFlagsBits, SlashCommandBuilder, time, TimestampStyles } from 'discord.js';
+import { channelIsInStaffCategory, deferInteraction, handleWhoIsInteraction } from '../utils';
+import { getRecordMessageFromDiscordId } from '../utils/record-utils';
+import { Database } from '../shared/Database';
+
+export default {
+  name: 'ban',
+  data: new SlashCommandBuilder()
+    .setName('ban')
+    .setDescription('Bans a user.')
+    .setIntegrationTypes(ApplicationIntegrationType.GuildInstall)
+    .setContexts(InteractionContextType.Guild)
+    .setDefaultMemberPermissions(PermissionFlagsBits.BanMembers)
+    .addUserOption(option =>
+      option
+        .setName('user')
+        .setDescription('The discord user to ban.')
+        .setRequired(true)
+    )
+    .addStringOption(option =>
+      option
+        .setName('reason')
+        .setDescription('The reason for the ban')
+        .setRequired(false)
+    )
+    .addNumberOption(option =>
+      option
+        .setName('hours')
+        .setDescription('The duration of the ban, added with other options (0 for permanent).')
+        .setRequired(false)
+    )
+    .addNumberOption(option =>
+      option
+        .setName('minutes')
+        .setDescription('The duration of the ban, added with other options (0 for permanent).')
+        .setRequired(false)
+    )
+    .addNumberOption(option =>
+      option
+        .setName('seconds')
+        .setDescription('The duration of the ban, added with other options (0 for permanent).')
+        .setRequired(false)
+    )
+    .addNumberOption(option =>
+      option
+        .setName('delete-message-days')
+        .setDescription('How far back to delete messages (in days, default: 0 days).')
+        .setRequired(false)
+        .setMinValue(0)
+        .setMaxValue(7)
+    ),
+  handler: async function (client: Client, interaction: ChatInputCommandInteraction) {
+    await deferInteraction(interaction);
+
+    if (!interaction.guild) return interaction.editReply('This command must be used in a server');
+
+    if (!interaction.guild.members.me) return interaction.editReply('An error has occurred. Please try again later.');
+
+    const user = interaction.options.getUser('user', true);
+    const reason = interaction.options.getString('reason') ?? '';
+
+    const hours = (interaction.options.getNumber('hours') ?? 0) * 3.6e+6;
+    const minutes = (interaction.options.getNumber('minutes') ?? 0) * 60000;
+    const seconds = (interaction.options.getNumber('seconds') ?? 0) * 1000;
+
+    const duration = hours + minutes + seconds;
+
+    const deleteMessageDays = (interaction.options.getNumber('delete-message-days') ?? 0) * 86400;
+
+    let banMember: GuildMember | null = null;
+
+    try {
+      banMember = await interaction.guild.members.fetch(user.id);
+    } catch (e) {
+      // Member not in server.
+    }
+
+    const member = await interaction.guild.members.fetch(interaction.user.id);
+
+    if (banMember && member.roles.highest.comparePositionTo(banMember.roles.highest) <= 0) {
+      return await interaction.editReply('You do not have permission to ban this user.');
+    }
+
+    if (banMember && !banMember.bannable) {
+      return await interaction.editReply('I do not have permission to ban this user.');
+    }
+
+    const expiresAt = new Date(Date.now() + duration);
+
+    if (duration > 0) await Database.putBan(user.id, expiresAt);
+
+    try {
+      await interaction.guild.bans.create(user, {
+        reason: (reason + ` Banned by ${interaction.user.username} (${interaction.user.id})${duration > 0 ? `. Expires at: ${time(expiresAt, TimestampStyles.ShortDateTime)}` : ''}`).trim(),
+        deleteMessageSeconds: deleteMessageDays
+      });
+    } catch (e) {
+      console.error(e);
+      return await interaction.editReply("Error banning user (couldn't ban).");
+    }
+
+    await interaction.editReply('Banned.');
+  }
+};