Add: Welcome and goodbye message module

- Add /welcome command with setchannel, add, remove, list, help
- Welcome messages on guildMemberAdd event
- Goodbye messages on guildMemberRemove event
- Auto-use Discord system channel if no custom channel set
- Variables: {user}, {username}, {server}, {membercount}
- Add welcome_message and goodbye_message to guild_settings

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitattributes

@@ -0,0 +1,7 @@
+* text=auto
+*.ts text eol=lf
+*.js text eol=lf
+*.json text eol=lf
+*.md text eol=lf
+*.yml text eol=lf
+*.yaml text eol=lf

src/commands/utility/timer.ts

@@ -293,7 +293,7 @@ const command: Command = {
             }
 
             const reminders: any[] = DB.all(
-                'SELECT r.*, c.name as channel_name FROM reminders r LEFT JOIN channels c ON r.channel_id = c.id WHERE r.guild_id = ? ORDER BY r.target_time ASC',
+                'SELECT * FROM reminders WHERE guild_id = ? ORDER BY target_time ASC',
                 guildId
             );
 

src/commands/utility/twitch.ts

@@ -19,8 +19,8 @@ const command: Command = {
                 .setName('add')
                 .setDescription('Kanal überwachen (Admin).')
                 .addStringOption(option =>
-                    option.setName('channel')
-                        .setDescription('Der Name des Twitch-Kanals')
+                    option.setName('streamers')
+                        .setDescription('Twitch-Kanäle (kommagetrennt, z.B. shroud, xQc, ninja)')
                         .setRequired(true))
                 .addStringOption(option =>
                     option.setName('message')
@@ -28,15 +28,19 @@ const command: Command = {
         .addSubcommand(subcommand =>
             subcommand
                 .setName('remove')
-                .setDescription('Kanal aus Überwachung entfernen (Admin).')
+                .setDescription('Streamer aus Überwachung entfernen (Admin).')
                 .addStringOption(option =>
-                    option.setName('channel')
-                        .setDescription('Der Name des Twitch-Kanals')
+                    option.setName('streamers')
+                        .setDescription('Twitch-Kanäle (kommagetrennt, z.B. shroud, xQc, ninja)')
                         .setRequired(true)))
         .addSubcommand(subcommand =>
             subcommand
                 .setName('list')
                 .setDescription('Listet überwachte Kanäle.'))
+        .addSubcommand(subcommand =>
+            subcommand
+                .setName('listall')
+                .setDescription('Listet alle überwachten Kanäle des Servers (Admin).'))
         .addSubcommand(subcommand =>
             subcommand
                 .setName('help')
@@ -55,10 +59,11 @@ const command: Command = {
                 .setDescription('Überwache Twitch-Streams und bekomme Benachrichtigungen.')
                 .addFields(
                     { name: '`/twitch online <kanal>`', value: 'Prüft, ob ein Kanal gerade online ist.', inline: false },
-                    { name: '`/twitch add <kanal> [nachricht]`', value: 'Überwacht einen Kanal in diesem Kanal (Mod).\nWenn der Streamer live geht, wird benachrichtigt.', inline: false },
-                    { name: '`/twitch remove <kanal>`', value: 'Entfernt einen Kanal aus der Überwachung (Mod).', inline: false },
-                    { name: '`/twitch list`', value: 'Zeigt alle überwachten Kanäle in diesem Kanal an.', inline: false },
-                    { name: 'Beispiel', value: '`/twitch add shroud Hallo! Shroud ist live!`', inline: false }
+                    { name: '`/twitch add streamer1, streamer2, ...`', value: 'Überwacht Twitch-Kanäle in diesem Kanal (Mod).', inline: false },
+                    { name: '`/twitch remove streamer1, streamer2, ...`', value: 'Entfernt Twitch-Kanäle (Mod).', inline: false },
+                    { name: '`/twitch list`', value: 'Zeigt überwachte Kanäle in diesem Kanal.', inline: false },
+                    { name: '`/twitch listall`', value: 'Zeigt alle überwachten Kanäle des Servers (Mod).', inline: false },
+                    { name: 'Beispiele', value: '`/twitch add shroud, ninja`\n`/twitch add #general shroud, ninja "Live!"`\n`/twitch remove shroud, ninja`', inline: false }
                 )
                 .setTimestamp();
 
@@ -100,7 +105,7 @@ const command: Command = {
         if (subcommand === 'list') {
             const monitors: any[] = DB.all('SELECT * FROM twitch_monitors WHERE guild_id = ? AND discord_channel_id = ?', guildId, interaction.channelId);
             if (monitors.length === 0) {
-                await interaction.reply('Keine Twitch-Kanäle überwacht.');
+                await interaction.reply({ content: 'Keine Twitch-Kanäle überwacht.', flags: [MessageFlags.Ephemeral] });
                 return;
             }
 
@@ -110,32 +115,143 @@ const command: Command = {
                 .setColor(0x6441a5)
                 .setDescription(list);
 
-            await interaction.reply({ embeds: [embed] });
+            await interaction.reply({ embeds: [embed], flags: [MessageFlags.Ephemeral] });
             return;
         }
 
-        // Admin only
+        if (subcommand === 'listall') {
+            if (!isAdmin) {
+                await interaction.reply({ content: '❌ Keine Berechtigung.', flags: [MessageFlags.Ephemeral] });
+                return;
+            }
+
+            const monitors: any[] = DB.all('SELECT * FROM twitch_monitors WHERE guild_id = ? ORDER BY channel_name ASC', guildId);
+            if (monitors.length === 0) {
+                await interaction.reply({ content: 'Keine Twitch-Kanäle überwacht.', flags: [MessageFlags.Ephemeral] });
+                return;
+            }
+
+            const embed = new EmbedBuilder()
+                .setTitle('📺 Alle überwachten Twitch-Kanäle')
+                .setColor(0x6441a5)
+                .setTimestamp();
+
+            const chunks: string[] = [];
+            const chunkSize = 15;
+
+            for (let i = 0; i < monitors.length; i += chunkSize) {
+                const chunk = monitors.slice(i, i + chunkSize).map((m: any) => {
+                    const channel = interaction.guild.channels.cache.get(m.discord_channel_id);
+                    const channelName = channel ? channel.name : m.discord_channel_id;
+                    return `• **${m.channel_name}** → #${channelName}`;
+                }).join('\n');
+                chunks.push(chunk);
+            }
+
+            embed.setDescription(chunks[0]);
+            await interaction.reply({ embeds: [embed], flags: [MessageFlags.Ephemeral] });
+
+            for (let i = 1; i < chunks.length; i++) {
+                const nextEmbed = new EmbedBuilder()
+                    .setColor(0x6441a5)
+                    .setDescription(chunks[i]);
+                await interaction.followUp({ embeds: [nextEmbed], flags: [MessageFlags.Ephemeral] });
+            }
+            return;
+        }
+
+        // Admin only for add/remove
         if (!isAdmin) {
             await interaction.reply({ content: '❌ Keine Berechtigung.', flags: [MessageFlags.Ephemeral] });
             return;
         }
 
         if (subcommand === 'add') {
-            const channelName = interaction.options.getString('channel')!.toLowerCase();
+            const discordChannel = interaction.options.getChannel('channel');
+            const streamersInput = interaction.options.getString('streamers')!;
             const message = interaction.options.getString('message');
             const discordChannelId = interaction.channelId;
 
+            // Parse comma-separated streamers
+            const streamers = streamersInput
+                .split(',')
+                .map((s: string) => s.trim().toLowerCase())
+                .filter((s: string) => s.length > 0);
+
+            if (streamers.length === 0) {
+                await interaction.reply({ content: '❌ Keine gültigen Streamer angegeben.', flags: [MessageFlags.Ephemeral] });
+                return;
+            }
+
+            const results = { added: 0, updated: 0, errors: 0 };
+            const errors: string[] = [];
+
+            for (const streamer of streamers) {
+                try {
+                    // Check if stream exists
+                    const stream = await TwitchManager.fetchStreamData(streamer);
+                    if (!stream) {
+                        // Streamer might be valid but offline - still add them
+                    }
+
+                    // Check if already exists
+                    const existing = DB.get('SELECT id FROM twitch_monitors WHERE guild_id = ? AND channel_name = ?', guildId, streamer);
+
                     DB.run(
                         'INSERT INTO twitch_monitors (guild_id, channel_name, discord_channel_id, custom_message) VALUES (?, ?, ?, ?) ON CONFLICT(guild_id, channel_name) DO UPDATE SET discord_channel_id = ?, custom_message = ?',
-                guildId, channelName, discordChannelId, message, discordChannelId, message
+                        guildId, streamer, discordChannelId, message, discordChannelId, message
                     );
-            await interaction.reply(`✅ Kanal **${channelName}** wird überwacht.`);
+
+                    if (existing) {
+                        results.updated++;
+                    } else {
+                        results.added++;
+                    }
+                } catch (error) {
+                    errors.push(streamer);
+                    results.errors++;
+                }
+            }
+
+            let reply = `✅ **${streamers.length}** Twitch-Kanal/Kanäle für <#${discordChannelId}> konfiguriert.`;
+            if (results.added > 0) reply += `\n🆕 Neu: ${results.added}`;
+            if (results.updated > 0) reply += `\n🔄 Aktualisiert: ${results.updated}`;
+            if (results.errors > 0) reply += `\n❌ Fehler: ${results.errors} (${errors.join(', ')})`;
+
+            await interaction.reply({ content: reply, flags: [MessageFlags.Ephemeral] });
+            return;
         }
 
         if (subcommand === 'remove') {
-            const channelName = interaction.options.getString('channel')!.toLowerCase();
-            DB.run('DELETE FROM twitch_monitors WHERE guild_id = ? AND channel_name = ?', guildId, channelName);
-            await interaction.reply(`✅ Kanal **${channelName}** entfernt.`);
+            const streamersInput = interaction.options.getString('streamers')!;
+            const streamers = streamersInput
+                .split(',')
+                .map((s: string) => s.trim().toLowerCase())
+                .filter((s: string) => s.length > 0);
+
+            if (streamers.length === 0) {
+                await interaction.reply({ content: '❌ Keine gültigen Streamer angegeben.', flags: [MessageFlags.Ephemeral] });
+                return;
+            }
+
+            const results = { removed: 0, notFound: 0 };
+            const notFound: string[] = [];
+
+            for (const streamer of streamers) {
+                const result = DB.run('DELETE FROM twitch_monitors WHERE guild_id = ? AND channel_name = ?', guildId, streamer);
+                if (result.changes === 0) {
+                    notFound.push(streamer);
+                    results.notFound++;
+                } else {
+                    results.removed++;
+                }
+            }
+
+            let reply = '';
+            if (results.removed > 0) reply += `✅ ${results.removed} Streamer entfernt.`;
+            if (results.notFound > 0) reply += `\n❌ Nicht gefunden: ${notFound.join(', ')}`;
+
+            await interaction.reply({ content: reply, flags: [MessageFlags.Ephemeral] });
         }
     },
 };

src/commands/utility/welcome.ts

@@ -0,0 +1,158 @@
+import { SlashCommandBuilder, PermissionFlagsBits, EmbedBuilder, MessageFlags } from 'discord.js';
+import { Command } from '../../structures/Command.js';
+
+const command: Command = {
+    data: new SlashCommandBuilder()
+        .setName('welcome')
+        .setDescription('Willkommens- und Abschiedsnachrichten verwalten.')
+        .addSubcommand(subcommand =>
+            subcommand
+                .setName('setchannel')
+                .setDescription('Kanal für Willkommen/Abschied setzen (Mod).')
+                .addChannelOption(option =>
+                    option.setName('channel')
+                        .setDescription('Discord-Kanal')
+                        .setRequired(true)))
+        .addSubcommand(subcommand =>
+            subcommand
+                .setName('add')
+                .setDescription('Nachricht setzen (Mod).')
+                .addStringOption(option =>
+                    option.setName('type')
+                        .setDescription('Art der Nachricht')
+                        .setRequired(true)
+                        .addChoices(
+                            { name: 'Willkommen', value: 'welcome' },
+                            { name: 'Abschied', value: 'goodbye' }
+                        ))
+                .addStringOption(option =>
+                    option.setName('message')
+                        .setDescription('Die Nachricht. Variablen: {user}, {username}, {server}, {membercount}')
+                        .setRequired(true)))
+        .addSubcommand(subcommand =>
+            subcommand
+                .setName('remove')
+                .setDescription('Nachricht entfernen (Mod).')
+                .addStringOption(option =>
+                    option.setName('type')
+                        .setDescription('Art der Nachricht')
+                        .setRequired(true)
+                        .addChoices(
+                            { name: 'Willkommen', value: 'welcome' },
+                            { name: 'Abschied', value: 'goodbye' }
+                        )))
+        .addSubcommand(subcommand =>
+            subcommand
+                .setName('list')
+                .setDescription('Aktuelle Einstellungen anzeigen.'))
+        .addSubcommand(subcommand =>
+            subcommand
+                .setName('help')
+                .setDescription('Hilfe zu Welcome-Befehlen.')),
+    category: 'Admin',
+    async execute(interaction: any) {
+        const subcommand = interaction.options.getSubcommand();
+        const guildId = interaction.guildId;
+        const isAdmin = interaction.memberPermissions?.has(PermissionFlagsBits.ModerateMembers);
+        const DB = interaction.client.DB;
+
+        // Ensure guild settings exist
+        DB.run('INSERT OR IGNORE INTO guild_settings (guild_id) VALUES (?)', guildId);
+
+        if (subcommand === 'help') {
+            const embed = new EmbedBuilder()
+                .setTitle('👋 Welcome Hilfe')
+                .setColor(0x2ecc71)
+                .setDescription('Begrüße neue Mitglieder oder verabschiede dich von ihnen.')
+                .addFields(
+                    { name: '`/welcome setchannel <#kanal>`', value: 'Setzt den Kanal für Willkommen/Abschied (Mod).\nStandard: Discord System-Channel.', inline: false },
+                    { name: '`/welcome add welcome <nachricht>`', value: 'Setzt die Willkommensnachricht (Mod).', inline: false },
+                    { name: '`/welcome add goodbye <nachricht>`', value: 'Setzt die Abschiedsnachricht (Mod).', inline: false },
+                    { name: '`/welcome remove welcome|goodbye`', value: 'Entfernt eine Nachricht (Mod).', inline: false },
+                    { name: '`/welcome list`', value: 'Zeigt aktuelle Einstellungen.', inline: false },
+                    { name: 'Variablen', value: '`{user}` - Nutzer erwähnen\n`{username}` - Nutzername\n`{server}` - Servername\n`{membercount}` - Mitgliederanzahl', inline: false },
+                    { name: 'Beispiel', value: '`/welcome add welcome Willkommen {user} auf {server}! Du bist der {membercount}. Nutzer.`', inline: false }
+                )
+                .setTimestamp();
+
+            await interaction.reply({ embeds: [embed], flags: [MessageFlags.Ephemeral] });
+            return;
+        }
+
+        if (subcommand === 'list') {
+            const settings: any = DB.get('SELECT * FROM guild_settings WHERE guild_id = ?', guildId);
+
+            const channel = settings?.welcome_channel
+                ? `<#${settings.welcome_channel}>`
+                : 'Nicht gesetzt';
+
+            const welcomeMsg = settings?.welcome_message || 'Nicht gesetzt';
+            const goodbyeMsg = settings?.goodbye_message || 'Nicht gesetzt';
+
+            const embed = new EmbedBuilder()
+                .setTitle('👋 Welcome Einstellungen')
+                .setColor(0x2ecc71)
+                .setDescription(`Server: **${interaction.guild.name}**`)
+                .addFields(
+                    { name: 'Kanal', value: channel, inline: true },
+                    { name: '👋 Willkommen', value: welcomeMsg, inline: false },
+                    { name: '👋 Abschied', value: goodbyeMsg, inline: false }
+                )
+                .setTimestamp();
+
+            await interaction.reply({ embeds: [embed], flags: [MessageFlags.Ephemeral] });
+            return;
+        }
+
+        // Admin only for modify commands
+        if (!isAdmin) {
+            await interaction.reply({ content: '❌ Keine Berechtigung. Moderatoren erforderlich.', flags: [MessageFlags.Ephemeral] });
+            return;
+        }
+
+        if (subcommand === 'setchannel') {
+            const channel = interaction.options.getChannel('channel');
+
+            DB.run(
+                'UPDATE guild_settings SET welcome_channel = ? WHERE guild_id = ?',
+                channel.id,
+                guildId
+            );
+
+            await interaction.reply({ content: `✅ Kanal für Willkommen/Abschied auf ${channel} gesetzt.`, flags: [MessageFlags.Ephemeral] });
+            return;
+        }
+
+        if (subcommand === 'add') {
+            const type = interaction.options.getString('type') as 'welcome' | 'goodbye';
+            const message = interaction.options.getString('message')!;
+
+            const column = type === 'welcome' ? 'welcome_message' : 'goodbye_message';
+
+            DB.run(
+                `UPDATE guild_settings SET ${column} = ? WHERE guild_id = ?`,
+                message,
+                guildId
+            );
+
+            const label = type === 'welcome' ? 'Willkommensnachricht' : 'Abschiedsnachricht';
+            await interaction.reply({ content: `✅ ${label} gesetzt:\n\`\`\`\n${message}\n\`\`\``, flags: [MessageFlags.Ephemeral] });
+            return;
+        }
+
+        if (subcommand === 'remove') {
+            const type = interaction.options.getString('type') as 'welcome' | 'goodbye';
+            const column = type === 'welcome' ? 'welcome_message' : 'goodbye_message';
+
+            DB.run(
+                `UPDATE guild_settings SET ${column} = NULL WHERE guild_id = ?`,
+                guildId
+            );
+
+            const label = type === 'welcome' ? 'Willkommensnachricht' : 'Abschiedsnachricht';
+            await interaction.reply({ content: `✅ ${label} entfernt.`, flags: [MessageFlags.Ephemeral] });
+        }
+    },
+};
+
+export default command;

src/events/guildMemberAdd.ts

@@ -0,0 +1,34 @@
+import { Events, GuildMember, TextChannel, EmbedBuilder } from 'discord.js';
+
+export default {
+    name: Events.GuildMemberAdd,
+    async execute(member: GuildMember) {
+        const DB = (member.client as any).DB;
+        const guildId = member.guild.id;
+
+        const settings: any = DB.get('SELECT * FROM guild_settings WHERE guild_id = ?', guildId);
+
+        // Use custom channel or fall back to Discord's system channel
+        const channelId = settings?.welcome_channel || member.guild.systemChannelId;
+        if (!channelId || !settings?.welcome_message) {
+            return;
+        }
+
+        const channel = member.guild.channels.cache.get(channelId);
+        if (!channel || !channel.isTextBased()) {
+            return;
+        }
+
+        const message = settings.welcome_message
+            .replace(/{user}/g, `<@${member.id}>`)
+            .replace(/{username}/g, member.user.username)
+            .replace(/{server}/g, member.guild.name)
+            .replace(/{membercount}/g, member.guild.memberCount.toString());
+
+        try {
+            await (channel as TextChannel).send(message);
+        } catch (error) {
+            console.error('[WELCOME] Error sending welcome message:', error);
+        }
+    },
+};

src/events/guildMemberRemove.ts

@@ -0,0 +1,34 @@
+import { Events, GuildMember, TextChannel, EmbedBuilder } from 'discord.js';
+
+export default {
+    name: Events.GuildMemberRemove,
+    async execute(member: GuildMember) {
+        const DB = (member.client as any).DB;
+        const guildId = member.guild.id;
+
+        const settings: any = DB.get('SELECT * FROM guild_settings WHERE guild_id = ?', guildId);
+
+        // Use custom channel or fall back to Discord's system channel
+        const channelId = settings?.welcome_channel || member.guild.systemChannelId;
+        if (!channelId || !settings?.goodbye_message) {
+            return;
+        }
+
+        const channel = member.guild.channels.cache.get(channelId);
+        if (!channel || !channel.isTextBased()) {
+            return;
+        }
+
+        const message = settings.goodbye_message
+            .replace(/{user}/g, `<@${member.id}>`)
+            .replace(/{username}/g, member.user.username)
+            .replace(/{server}/g, member.guild.name)
+            .replace(/{membercount}/g, member.guild.memberCount.toString());
+
+        try {
+            await (channel as TextChannel).send(message);
+        } catch (error) {
+            console.error('[WELCOME] Error sending goodbye message:', error);
+        }
+    },
+};

src/structures/Database.ts

@@ -25,6 +25,8 @@ export class DB {
                 prefix TEXT DEFAULT '!',
                 mod_log_channel TEXT,
                 welcome_channel TEXT,
+                welcome_message TEXT,
+                goodbye_message TEXT,
                 warn_threshold INTEGER DEFAULT 3,
                 warn_action TEXT DEFAULT 'ban',
                 warn_mute_duration INTEGER DEFAULT 1800