fix: not seed if data already exist

app/Controllers/Http/UserController.ts

@@ -1,5 +1,5 @@
 import UserService from 'App/Services/UserService'
-import ChannelService from "App/Services/ChannelService";
+import ChannelService from 'App/Services/ChannelService'
 
 export default class UserController {
   private async index({ response }) {

database/seeders/AdminUser.ts

@@ -1,17 +1,22 @@
 import BaseSeeder from '@ioc:Adonis/Lucid/Seeder'
-import User from "App/Models/User";
-import Env from "@ioc:Adonis/Core/Env";
-import AuthService from "App/Services/AuthService";
+import User from 'App/Models/User'
+import Env from '@ioc:Adonis/Core/Env'
+import AuthService from 'App/Services/AuthService'
 
 export default class extends BaseSeeder {
-  public async run () {
+  public async run() {
     const username = Env.get('SITE_NAME')
-    const token = await AuthService.computedToken(username)
-    await User.createMany([
-      {
-        username,
-        token
-      }
-    ])
+    const token: string = await AuthService.computedToken(username)
+
+    const userAlreadyExists: User | null = await User.findBy('username', username)
+
+    if (!userAlreadyExists) {
+      await User.createMany([
+        {
+          username,
+          token,
+        },
+      ])
+    }
   }
 }

database/seeders/Channel.ts

@@ -1,12 +1,16 @@
 import BaseSeeder from '@ioc:Adonis/Lucid/Seeder'
-import Channel from "App/Models/Channel";
+import Channel from 'App/Models/Channel'
 
 export default class extends BaseSeeder {
-  public async run () {
-    await Channel.createMany([
-      {
-        name: 'general'
-      }
-    ])
+  public async run() {
+    const channelAlreadyExists: Channel | null = await Channel.findBy('name', 'general')
+
+    if (!channelAlreadyExists) {
+      await Channel.createMany([
+        {
+          name: 'general',
+        },
+      ])
+    }
   }
 }