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laravelgraphqlgraphql-subscriptionslaravel-lighthouse

How should I setup the schema for deletion subscription?

I tried

type Mutation {
    deleteUser(id: ID!): User @delete @broadcast(subscription: "userDeleted")
}

type Subscription {
    userDeleted(id: ID!): User
}

and I created a subcription where the methods authorize and filter return true.

But I get this error:

Illuminate\Database\Eloquent\ModelNotFoundException: No query results for model [App\User]

The deleteUser mutation works. Only the subscription does not work. I use Pusher for broadcast and the error appeared in the horizon dashboard.

Solution

  • If you really need a solution right now, just make a custom resolver where you firstly brodcast the event and then delete the user... (you can even make a custom directive that generalizes it).

    Otherwise, you will have to dig a bit into the Lighthouse's internals to find a solution.