Update src/api/services/channel.service.ts

Co-authored-by: sourcery-ai[bot] <58596630+sourcery-ai[bot]@users.noreply.github.com>

Author: matheusmartinsInsper

src/api/services/channel.service.ts

@@ -335,7 +335,10 @@ export class ChannelStartupService {
     };
 
     if (query.offset) contactFindManyArgs.take = query.offset;
-    if (query.page) contactFindManyArgs.skip = query.offset * ((query.page as number) - 1);
+    if (query.page) {
+      const validPage = Math.max(query.page as number, 1);
+      contactFindManyArgs.skip = query.offset * (validPage - 1);
+    }
 
     return await this.prismaRepository.contact.findMany(contactFindManyArgs);
   }