fix: improve error message for channel deletion

components/Application/ChannelSettings/ChannelSettings.tsx

@@ -2,6 +2,7 @@ import { useRouter } from 'next/router'
 import { useState } from 'react'
 import { Form } from 'react-component-form'
 import useTranslation from 'next-translate/useTranslation'
+import axios from 'axios'
 
 import { HandleSubmitCallback, useForm } from '../../../hooks/useForm'
 import { FormState } from '../../design/FormState'
@@ -81,9 +82,13 @@ export const ChannelSettings: React.FC<ChannelSettingsProps> = (props) => {
       await router.push(`/application/${guild.id}/${data.defaultChannelId}`)
     } catch (error) {
       setFetchState('error')
+      if (axios.isAxiosError(error) && error.response?.status === 400) {
+        setMessageTranslationKey('application:delete-channel-only-one')
+      } else {
         setMessageTranslationKey('errors:server-error')
       }
     }
+  }
 
   return (
     <Form

locales/en/application.json

@@ -3,6 +3,7 @@
   "create": "Create",
   "status": "Status",
   "create-a-channel": "Create a channel",
+  "delete-channel-only-one": "The guild should have at least one channel. You can't delete the only channel of the guild.",
   "create-a-guild": "Create a Guild",
   "create-a-guild-description": "Create your own guild and manage everything.",
   "join-a-guild": "Join a Guild",

locales/fr/application.json

@@ -3,6 +3,7 @@
   "create": "Créer",
   "status": "Statut",
   "create-a-channel": "Créer un channel",
+  "delete-channel-only-one": "La guilde doit avoir au moins un channel. Vous ne pouvez pas supprimer le seul channel de la guilde.",
   "create-a-guild": "Créer une Guilde",
   "create-a-guild-description": "Créez votre propre guilde et gérez tout.",
   "join-a-guild": "Rejoindre une Guilde",