@task(function*(this: MessageDispatcher, msg: Message) {
    const everyone = yield this.store.findAll('contact');

    everyone.forEach((contact: Contact) => {
      this.sendToUser.perform(msg, contact);
    });
  })

  async getRelay(): Promise<Relay> {
    const relays: ArrayProxy<Relay> = await this.store.findAll('relay');

    const sorted = relays
      .toArray()
      .filter(r => r.priority !== null && r.priority !== undefined)
      .sort(r => r.priority);

    const relay = sorted.find(r => r.priority === 1) || sorted[0];

    if (!relay) {
      this.toast.error('there are no available relays.');
      throw new RelayNotSetError();
    }

    return relay;
  }

  async makeDefault(relay: Relay) {
    relay.set('priority', 1);
    relay.save();

    const relays: ArrayProxy<Relay> = await this.store.findAll('relay');

    let nextHighestPriority = 2;

    relays
      .toArray()
      .sort(r => r.priority)
      .forEach(nonDefaultRelay => {
        if (nonDefaultRelay.id === relay.id) return;

        nonDefaultRelay.set('priority', nextHighestPriority);
        nonDefaultRelay.save();
        nextHighestPriority++;
      });
  }

  async allChannels(): Promise<ArrayProxy<Channel>> {
    const channels = await this.store.findAll('channel');

    return channels;
  }

  async allContacts(): Promise<ArrayProxy<Contact>> {
    const contacts = await this.store.findAll('contact');

    return contacts;
  }