func query()

in firestore/FirestoreExample/RestaurantsTableViewController.swift [280:310]

• 23 lines of code
• 6 McCabe index (conditional complexity)

  func query(withCategory category: String?, city: String?, price: Int?, sortBy: String?) -> Query {
    var filtered = baseQuery()

    if category == nil, city == nil, price == nil, sortBy == nil {
      stackViewHeightConstraint.constant = 0
      activeFiltersStackView.isHidden = true
    } else {
      stackViewHeightConstraint.constant = 44
      activeFiltersStackView.isHidden = false
    }

    // Advanced queries

    if let category = category, !category.isEmpty {
      filtered = filtered.whereField("category", isEqualTo: category)
    }

    if let city = city, !city.isEmpty {
      filtered = filtered.whereField("city", isEqualTo: city)
    }

    if let price = price {
      filtered = filtered.whereField("price", isEqualTo: price)
    }

    if let sortBy = sortBy, !sortBy.isEmpty {
      filtered = filtered.order(by: sortBy)
    }

    return filtered
  }