Working

Signed-off-by: Arthur DANJOU <arthurdanjou@outlook.fr>

app/Controllers/Http/SubscribersController.ts

@@ -13,6 +13,12 @@ export default class SubscribersController {
 
   public async store({request, response}: HttpContextContract) {
     const data = await request.validate(SubscriberValidator)
+    const email = await Subscriber.findBy('email', data.email)
+    if (email) {
+      return response.status(201).send({
+        message: 'Subscriber already exists'
+      })
+    }
     await Subscriber.create(data)
     return response.status(200).send({
       message: 'Subscriber successfully registered!'