[OSU-242] Public estimates

app/controllers/public_estimates_controller.rb

@@ -0,0 +1,81 @@
+# frozen_string_literal: true
+
+class PublicEstimatesController < ApplicationController
+
+  skip_before_action :authenticate_user!
+
+  def show
+    @facilities = Facility.active.alphabetized
+    @facility = @facilities.find_by(id: params[:facility_id])
+    @customer_type = customer_type
+    @customer_type_options = customer_type_options
+    @price_group = PriceGroup.for_public_estimate(@customer_type)
+    @products = @facility ? priced_products : Product.none
+    @estimate = build_estimate if @price_group && requested_quantities.any?
+    @total = @estimate.estimate_details.sum { |estimate_detail| estimate_detail.cost || 0 } if @estimate
+  end
+
+  private
+
+  def customer_types
+    Settings.public_estimates.customer_types.map(&:to_s)
+  end
+
+  def customer_type
+    customer_types.include?(params[:customer_type]) ? params[:customer_type] : customer_types.first
+  end
+
+  def customer_type_options
+    customer_types.map { |key| [t(".customer_types.#{key}"), key] }
+  end
+
+  def priced_products
+    return Product.none if @price_group.blank?
+
+    facility_products.where(
+      id: PricePolicy.current_for_date(Time.current).purchaseable
+                     .where(price_group: @price_group).select(:product_id),
+    )
+  end
+
+  def facility_products
+    @facility.products.active.available_for_estimates.where.not(type: "Bundle").alphabetized
+  end
+
+  def requested_quantities
+    @requested_quantities ||= permitted_product_values(:quantities).select { |_id, quantity| quantity.to_i.positive? }
+  end
+
+  def requested_durations
+    @requested_durations ||= permitted_product_values(:durations)
+  end
+
+  def permitted_product_values(key)
+    values = params[key]
+    return {} unless values.is_a?(ActionController::Parameters)
+
+    values.permit(@products.map { |product| product.id.to_s }).to_h
+  end
+
+  def build_estimate
+    estimate = Estimate.new(facility: @facility, price_group: @price_group)
+
+    products = @products.where(id: requested_quantities.keys).index_by { |product| product.id.to_s }
+
+    requested_quantities.each do |product_id, quantity|
+      product = products[product_id]
+      next if product.blank?
+
+      estimate.estimate_details.build(
+        product:,
+        quantity: quantity.to_i,
+        duration: requested_durations[product_id].presence,
+        duration_unit: product.time_unit,
+      )
+    end
+
+    estimate.estimate_details.each(&:assign_price_policy_and_cost)
+    estimate
+  end
+
+end

app/models/price_group.rb

@@ -38,6 +38,13 @@ def self.external
     globals.find_by(name: Settings.price_group.name.external)
   end
 
+  def self.for_public_estimate(customer_type)
+    name = Settings.price_group.name.to_h[customer_type.to_s.to_sym]
+    return if name.blank?
+
+    globals.find_by(name:)
+  end
+
   def self.nonbillable
     base
   end

app/views/public_estimates/show.html.haml

@@ -0,0 +1,62 @@
+= content_for :h1 do
+  = t(".title")
+
+%p= t(".intro")
+
+= form_tag estimate_path, method: :get do
+  .hide-from-print
+    .inline-form-controls
+      %div
+        = label_tag :customer_type, t(".customer_type")
+        = select_tag :customer_type, options_for_select(@customer_type_options, @customer_type), class: "form-control", onchange: "this.form.submit();"
+      .margin_x
+        = label_tag :facility_id, Facility.model_name.human
+        = select_tag :facility_id, options_from_collection_for_select(@facilities, :id, :name, params[:facility_id]), include_blank: true, class: "form-control", onchange: "this.form.submit();"
+
+    - if @facility.present?
+      %h3= t(".choose_products")
+      %table.table
+        %thead
+          %tr
+            %th= Product.model_name.human
+            %th= EstimateDetail.human_attribute_name(:quantity)
+            %th= EstimateDetail.human_attribute_name(:duration)
+        %tbody
+          - @products.each do |product|
+            %tr
+              %td= product.name
+              %td= number_field_tag "quantities[#{product.id}]", params.dig(:quantities, product.id.to_s), min: 0, style: "width: 6em;"
+              %td
+                - if product.time_unit.present?
+                  = number_field_tag "durations[#{product.id}]", params.dig(:durations, product.id.to_s), min: 1, style: "width: 6em;"
+                  = EstimateDetail.human_attribute_name("duration_unit.#{product.time_unit}", count: 2)
+      = submit_tag t(".calculate"), class: "btn btn-primary", name: nil
+
+- if @estimate.present?
+  %h3= t(".results")
+  .show-for-print
+    %p
+      %strong= "#{t('.customer_type')}:"
+      = t(".customer_types.#{@customer_type}")
+    %p
+      %strong= "#{Facility.model_name.human}:"
+      = @facility.name
+  %table.table.table-striped
+    %thead
+      %tr
+        %th= Product.model_name.human
+        %th= EstimateDetail.human_attribute_name(:quantity)
+        %th= EstimateDetail.human_attribute_name(:duration)
+        %th.text-right= EstimateDetail.human_attribute_name(:cost)
+    %tbody
+      - @estimate.estimate_details.map { |detail| EstimateDetailPresenter.new(detail) }.each do |estimate_detail|
+        %tr
+          %td= estimate_detail.product_display
+          %td= estimate_detail.quantity
+          %td= estimate_detail.duration_display
+          %td.text-right= estimate_detail.cost ? estimate_detail.cost_display : t(".no_public_rate")
+  .text-right
+    %strong= t(".total")
+    %span= number_to_currency(@total)
+  .hide-from-print
+    = button_tag t(".print"), type: "button", class: "btn btn-default", onclick: "window.print();"

app/views/shared/_header.html.haml

@@ -15,6 +15,7 @@
     - if session_user.nil?
       %ul.nav.navbar-nav.navbar-right.hide-from-print
         = render "/shared/support"
+        = render "/shared/public_estimate_link"
         %li= link_to t("pages.login"), :new_user_session
     - else
       -# collapsed at < 979px
@@ -28,6 +29,7 @@
             %li.navbar-text= "#{acting_user.full_name} (#{acting_user.username})"
             %li.divider-vertical
             = render "/shared/support"
+            = render "/shared/public_estimate_link"
             %li= link_to t("pages.cart"), :cart, class: "js--cart_count", data: { url: orders_cart_count_url }
           - else
             - if UserPreference.options_for(current_user).any?
@@ -40,6 +42,7 @@
               %li.divider-vertical
             -# .visible-with-nav is visible > 979px
             = render "/shared/support"
+            = render "/shared/public_estimate_link"
             %li.visible-with-nav= link_to t("pages.cart"), :cart, class: "js--cart_count", data: { url: orders_cart_count_url }
             %li.divider-vertical
             = render "shared/message_summary"

app/views/shared/_public_estimate_link.html.haml

@@ -0,0 +1,2 @@
+- if SettingsHelper.feature_on?(:public_estimates)
+  %li= link_to t("pages.public_estimate"), estimate_path

config/locales/en.models.yml

@@ -275,6 +275,9 @@ en:
         days:
           one: Day
           other: Days
+        mins:
+          one: Minute
+          other: Minutes
       schedule_rule:
         start_time: Start Time
         end_time: End Time

config/locales/en.yml

@@ -106,6 +106,7 @@ en:
     movable_transactions: My Movable Transactions
     notices: Notices
     support: Support
+    public_estimate: Get an Estimate
 
   affiliates:
     add: Add Affiliate
@@ -115,6 +116,22 @@ en:
       confirm: "Really remove affiliate %{name}?"
       label: Remove
 
+  public_estimates:
+    show:
+      title: Estimate
+      intro: Estimate the cost of using our facilities. No account required.
+      customer_type: I am
+      customer_types:
+        base: Internal
+        external: External
+        cancer_center: Cancer Center
+      choose_products: Choose products
+      calculate: Calculate estimate
+      results: Estimated cost
+      no_public_rate: No public rate available
+      total: 'Total:'
+      print: Print estimate
+
   bundle_products:
     new:
       head: Add Bundled Product

config/routes.rb

@@ -12,6 +12,10 @@
     match "/users/password/reset", to: "user_password#reset", as: "reset_password", via: [:get, :post]
   end
 
+  if SettingsHelper.feature_on?(:public_estimates) && SettingsHelper.feature_on?(:show_estimates_option)
+    get "estimate", to: "public_estimates#show"
+  end
+
   # root route
   root to: "public#index"
 

config/settings.yml

@@ -10,6 +10,12 @@ price_group:
     external: 'External Rate'
     cancer_center: 'Cancer Center Rate'
 
+public_estimates:
+  # Keys from price_group.name. Each school can override this list.
+  customer_types:
+    - base
+    - external
+
 time_zone: "Central Time (US & Canada)"
 
 accounts:
@@ -221,6 +227,7 @@ feature:
   granular_permissions: true
   kiosk_view: true
   show_estimates_option: true
+  public_estimates: false
   training_requests: true
 
 split_accounts:

spec/models/estimate_detail_spec.rb

@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+RSpec.describe EstimateDetail do
+  let(:facility) { create(:setup_facility) }
+  let(:price_group) { facility.price_groups.first }
+  let!(:item) { create(:setup_item, facility:) }
+  let!(:item_price_policy) do
+    create(:item_price_policy, product: item, price_group:, unit_cost: 25, unit_subsidy: 5)
+  end
+
+  describe "#assign_price_policy_and_cost without a user" do
+    let(:persisted_detail) do
+      estimate = create(:estimate, facility:, price_group:)
+      estimate.estimate_details.create!(product: item, quantity: 3)
+    end
+
+    let(:anonymous_detail) do
+      estimate = Estimate.new(facility:, price_group:)
+      estimate.estimate_details.build(product: item, quantity: 3)
+    end
+
+    it "resolves the price policy on an unsaved record" do
+      expect(anonymous_detail.assign_price_policy_and_cost).to be true
+      expect(anonymous_detail.price_policy).to eq(item_price_policy)
+    end
+
+    it "computes the same cost as the persisted equivalent" do
+      anonymous_detail.assign_price_policy_and_cost
+
+      expect(anonymous_detail.cost).to eq(persisted_detail.cost)
+      expect(anonymous_detail.cost).to eq(60)
+    end
+
+    it "persists nothing" do
+      expect { anonymous_detail.assign_price_policy_and_cost }.not_to change(EstimateDetail, :count)
+      expect(anonymous_detail).not_to be_persisted
+    end
+
+    it "returns false when no price policy matches the price group" do
+      other_item = create(:setup_item, facility:)
+      detail = Estimate.new(facility:, price_group:).estimate_details.build(product: other_item, quantity: 1)
+
+      expect(detail.assign_price_policy_and_cost).to be false
+    end
+  end
+end

spec/models/price_group_spec.rb

@@ -241,4 +241,30 @@
     end
   end
 
+  describe ".for_public_estimate" do
+    it "returns the group named by the matching price_group setting" do
+      expect(described_class.for_public_estimate("base")).to eq(described_class.base)
+      expect(described_class.for_public_estimate("external")).to eq(described_class.external)
+    end
+
+    it "returns nil for a key with no configured name" do
+      expect(described_class.for_public_estimate("external_2")).to be_nil
+      expect(described_class.for_public_estimate("nonsense")).to be_nil
+    end
+
+    context "when a school configures an extra key" do
+      let(:initial_name) { Settings.price_group.name.external_2 }
+      let!(:non_profit) do
+        Settings.price_group.name.external_2 = "External Non-Profit Rate"
+        described_class.setup_global(name: "External Non-Profit Rate", is_internal: false, display_order: 2)
+      end
+
+      after { Settings.price_group.name.external_2 = initial_name }
+
+      it "resolves that key to its group" do
+        expect(described_class.for_public_estimate("external_2")).to eq(non_profit)
+      end
+    end
+  end
+
 end