README.md

@@ -18,6 +18,12 @@ Removes the word from the server specific blocklist
 ### /info
 Returns general information about the bot and the servers stats
 
+### /preservesettings
+Changes the behaviour when the bot leaves the server.
+Options are:
+- Keep settings persistent even if the bot leaves
+- Delete setting when the bot leaves the server [default]
+
 ## Environment variables
 | Name             | Description                                                                     | Required | Example             |
 | :--------------- | :------------------------------------------------------------------------------ | :------: | :------------------ |

package.json

@@ -1,6 +1,6 @@
 {
   "name": "eu.astrogd.white-leopard",
-  "version": "1.0.0-beta.2",
+  "version": "1.0.0-alpha.6",
   "description": "A Discord bot that checks channel names for blacklisted words and reverts the changes if necessary",
   "main": "build/index.js",
   "scripts": {

src/cli/guild.ts

@@ -22,6 +22,7 @@ export default async function execute(args: string[]) {
 
             console.log(`Guild ${args[1]}:
     - Premium: ${isPremium ? `ACTIVE for ${moment(settings.isPremiumUntil).fromNow(true)}` : "INACTIVE"}
+    - Preserve Settings: ${settings.preserveDataOnGuildLeave ? "ENABLED" : "DISABLED"}
     - Logchannel: ${settings.notificationChannelID ? `ENABLED (${settings.notificationChannelID})` : "DISABLED"}
     - blocked Words: ${wordCount}`);
             break;

src/client/init.ts

@@ -1,3 +1,4 @@
+import { runCleanup } from "../service";
 import client from "./index";
 
 const token = process.env["TOKEN"];
@@ -7,4 +8,6 @@ client.login(token);
 
 client.on("ready", () => {
     console.log(`Connected to Discord API. Bot account is ${client.user?.tag} (${client.user?.id})`);
+
+    runCleanup();
 });

src/commands/ci.ts

@@ -1,8 +1,9 @@
 import * as notification from "./notification";
 import * as blocklist from "./blocklist";
 import * as info from "./info";
+import * as preserveSettings from "./preserveSettings";
 
-const array = [notification.builder.toJSON(), blocklist.builder.toJSON(), info.builder.toJSON()];
+const array = [notification.builder.toJSON(), blocklist.builder.toJSON(), info.builder.toJSON(), preserveSettings.builder.toJSON()];
 
 export {
     array

src/commands/index.ts

@@ -2,6 +2,7 @@ import { ChatInputCommandInteraction, Collection, Events, SlashCommandBuilder }
 import * as notification from "./notification";
 import * as blocklist from "./blocklist";
 import * as info from "./info";
+import * as preserveSettings from "./preserveSettings";
 import client from "../client";
 import getDefaultEmbed from "../tools/defaultEmbeds";
 
@@ -9,6 +10,7 @@ const commands = new Collection<string, { builder: SlashCommandBuilder, execute:
 commands.set(notification.builder.name, notification);
 commands.set(blocklist.builder.name, blocklist);
 commands.set(info.builder.name, info);
+commands.set(preserveSettings.builder.name, preserveSettings);
 
 client.on(Events.InteractionCreate, async (interaction) => {
     if (!interaction.isChatInputCommand()) return;

src/commands/preserveSettings.ts

@@ -0,0 +1,66 @@
+import { SlashCommandBuilder, ChatInputCommandInteraction, PermissionFlagsBits } from "discord.js";
+import { database, GuildSetting } from "../data";
+import { getGuildSetting } from "../tools/data";
+import getDefaultEmbed, { getSuccessEmbed } from "../tools/defaultEmbeds";
+import { Emoji } from "../tools/design";
+import { getGuildChannel } from "../tools/discord";
+
+const builder = new SlashCommandBuilder();
+builder.setName("preservesettings");
+builder.setDescription("Sets if the bot should save the server settings and blocklist if it leaves the server or delete it");
+builder.addStringOption((option) => {
+    option.addChoices({
+        name: "Keep data when bot leaves the server",
+        value: "keep"
+    }, {
+        name: "Delete data when bot leaves the server",
+        value: "delete"
+    });
+    option.setName("behaviour");
+    option.setDescription("How the bot behaves when leaving the server");
+    option.setRequired(true);
+    return option;
+});
+builder.setDMPermission(false);
+builder.setDefaultMemberPermissions(PermissionFlagsBits.Administrator);
+
+async function execute(interaction: ChatInputCommandInteraction): Promise<void> {
+    if (!interaction.inGuild()) throw new Error("Command was executed outside guild context");
+
+    const settings = await getGuildSetting(interaction.guildId);
+    const option = interaction.options.getString("behaviour", true).toLowerCase();
+
+    if (option !== "keep" && option !== "delete") throw new TypeError(`option "behaviour" expected to be of type "keep" | "delete" but was "${option}"`);
+
+    settings.preserveDataOnGuildLeave = option === "keep";
+
+    await database.getRepository(GuildSetting).save(settings);
+
+    const embed = getSuccessEmbed();
+    embed.setDescription(`Preserve settings on server leave is now ${settings.preserveDataOnGuildLeave ? "ENABLED" : "DISABLED"}`);
+
+    interaction.reply({
+        embeds: [embed],
+        ephemeral: true
+    }).catch();
+
+    if (!settings.notificationChannelID) return;
+    const logChannel = await getGuildChannel(interaction.guildId, settings.notificationChannelID);
+    if (!logChannel || !logChannel.isTextBased()) return;
+    const logEmbed = getDefaultEmbed();
+    logEmbed.setTitle(`${Emoji.SETTINGS} Settings changed`);
+    logEmbed.setDescription(`Preserve settings on server leave is now ${settings.preserveDataOnGuildLeave ? "ENABLED" : "DISABLED"}`);
+    logEmbed.addFields({
+        name: "This action was performed by",
+        value: `${interaction.user.tag} (${interaction.user.id})`
+    });
+
+    logChannel.send({
+        embeds: [logEmbed]
+    }).catch();
+}
+
+export {
+    builder,
+    execute
+}

src/data/migrations/1669392941776-data.ts

@@ -0,0 +1,19 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class data1669392941776 implements MigrationInterface {
+    name = 'data1669392941776'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`
+            ALTER TABLE "guild_setting"
+            ADD "preserveDataOnGuildLeave" boolean NOT NULL DEFAULT false
+        `);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`
+            ALTER TABLE "guild_setting" DROP COLUMN "preserveDataOnGuildLeave"
+        `);
+    }
+
+}

src/data/model/guildSetting.ts

@@ -10,4 +10,7 @@ export class GuildSetting {
 
     @Column("timestamp", { nullable: true, default: null })
     isPremiumUntil!: Date | null;
+
+    @Column("boolean", { default: false })
+    preserveDataOnGuildLeave!: boolean
 }

src/events/guildDelete.ts

@@ -0,0 +1,17 @@
+import client from "../client";
+import { Events } from "discord.js";
+import { getGuildSetting } from "../tools/data";
+import { Badword, database, GuildSetting } from "../data";
+
+client.on(Events.GuildDelete, async (guild) => {
+    const settings = await getGuildSetting(guild.id);
+    if (settings.preserveDataOnGuildLeave) return;
+
+    await database.getRepository(GuildSetting).delete({
+        id: guild.id
+    });
+
+    await database.getRepository(Badword).delete({
+        guildID: guild.id
+    });
+});

src/events/index.ts

@@ -1 +1,2 @@
 import "./channelUpdate";
+import "./guildDelete";

src/service/cleanup.ts

@@ -0,0 +1,39 @@
+import { Badword, database, GuildSetting } from "../data";
+import client from "../client";
+import { DiscordAPIError } from "discord.js";
+
+export default async function execute(): Promise<void> {
+    const guilds = await database.getRepository(GuildSetting).find({
+        where: {
+            preserveDataOnGuildLeave: false
+        }
+    });
+
+    for (const guild of guilds) {
+        try {
+            await client.guilds.fetch(guild.id);
+        } catch (error) {
+            if (!(error instanceof DiscordAPIError)) {
+                console.error(`service.cleanup failed: ${error}`);
+                return;
+            } 
+
+            const id = guild.id;
+
+            // 5001 = Missing access
+            if (error.code.toString() !== "50001") {
+                console.warn(`Guild ${guild.id} is unavailable but not because of error 5001:\n${error}`);
+                continue;
+            }
+
+            await database.getRepository(Badword).delete({
+                guildID: guild.id
+            });
+
+            await database.getRepository(GuildSetting).remove(guild);
+            console.log(`Removed data for guild ${id}`);
+        }
+    }
+
+    console.log("Cleanup completed");
+}

src/service/index.ts

@@ -1 +1,6 @@
 import "./uptime";
+import runCleanup from "./cleanup";
+
+export {
+    runCleanup
+}

src/tools/data.ts

@@ -12,6 +12,7 @@ export async function getGuildSetting(guildID: string): Promise<GuildSetting> {
         guildSetting.id = guildID;
         guildSetting.isPremiumUntil = null;
         guildSetting.notificationChannelID = null;
+        guildSetting.preserveDataOnGuildLeave = false;
     }
 
     return guildSetting;