fix(bugs): if user not register channel

.env.example

@@ -1,5 +1,4 @@
 DISCORD_TOKEN=
-DATABASE_URL="file:foo.db"
 
 GITHUB_TOKEN=
 GITHUB_DISPATCH_URL=

src/channel/channel.service.ts

@@ -56,6 +56,10 @@ export class ChannelService {
       .select('channel_id')
       .executeTakeFirst();
 
+    if (!channelId) {
+      throw new Error('Please set the channel first');
+    }
+
     const chan = this.client.channels.cache.get(channelId);
     if (chan.isTextBased()) {
       await chan.send(`${packageName} \nfrom <@${userId}>`);

src/discord/command/showcase/showcase.command.ts

@@ -34,11 +34,16 @@ export class ShowcaseCommand {
       from_server: args[0].guild.name,
       package_url: dto.package,
     });
-    this.channelService.sendShowcaseMessage(
-      args[0].guildId,
-      dto.package,
-      args[0].user.id,
-    );
+
+    try {
+      this.channelService.sendShowcaseMessage(
+        args[0].guildId,
+        dto.package,
+        args[0].user.id,
+      );
+    } catch (error) {
+      return 'Please set the channel first';
+    }
     return 'Showcase message was sent!';
   }
 }