Method delete_session

backend/src/graphql/mutation.rs:315–333

(
        &self,
        ctx: &Context<'_>,
        input: DeleteSessionInput,
    )

    }

    async fn delete_session(
        &self,
        ctx: &Context<'_>,
        input: DeleteSessionInput,
    ) -> Result<DeleteSessionPayload> {
        let DeleteSessionInput {
            client_mutation_id,
            session_id,
        } = input;
        let psql::DeleteSessionResult { deleted_session_id } = ctx
            .data_unchecked::<Store>()
            .delete_session(session_id.to_string())
            .await?;

        Ok(DeleteSessionPayload {
            client_mutation_id,
            deleted_session_id: Some(ID(deleted_session_id)),
        })
    }

    async fn delete_topic(
        &self,