4481 Print Individual Donation Receipts (#4484)

* 4481 Print Individual Donation Receipts

* 4481 Print Individual Donations add zero dollars and tests

* 4481  Print  Individual Donation Receipts Requested Changes

* 4481 Print Individual Donation PDFs hardcode all test parameters

Gemfile

@@ -198,6 +198,8 @@ group :test do
   gem "webmock", "~> 3.23"
   # Interface capybara to chrome headless
   gem "cuprite"
+  # Read PDF files for tests
+  gem "pdf-reader"
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem

Gemfile.lock

@@ -1,6 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    Ascii85 (1.1.1)
     actioncable (7.1.3.4)
       actionpack (= 7.1.3.4)
       activesupport (= 7.1.3.4)
@@ -77,6 +78,7 @@ GEM
       tzinfo (~> 2.0)
     addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
+    afm (0.2.2)
     annotate (3.2.0)
       activerecord (>= 3.2, < 8.0)
       rake (>= 10.4, < 14.0)
@@ -288,6 +290,7 @@ GEM
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
     hashdiff (1.1.0)
+    hashery (2.1.2)
     hashie (5.0.0)
     httparty (0.22.0)
       csv
@@ -436,6 +439,12 @@ GEM
       ast (~> 2.4.1)
       racc
     pdf-core (0.9.0)
+    pdf-reader (2.12.0)
+      Ascii85 (~> 1.0)
+      afm (~> 0.2.1)
+      hashery (~> 2.0)
+      ruby-rc4
+      ttfunk
     pg (1.5.6)
     popper_js (2.11.8)
     prawn (2.4.0)
@@ -586,6 +595,7 @@ GEM
     ruby-graphviz (1.2.5)
       rexml
     ruby-progressbar (1.13.0)
+    ruby-rc4 (0.1.5)
     ruby-vips (2.1.4)
       ffi (~> 1.12)
     ruby2_keywords (0.0.5)
@@ -750,6 +760,7 @@ DEPENDENCIES
   omniauth-rails_csrf_protection
   orderly (~> 0.1)
   paper_trail
+  pdf-reader
   pg (~> 1.5.6)
   prawn-rails
   pry-doc

app/controllers/donations_controller.rb

@@ -2,6 +2,19 @@
 class DonationsController < ApplicationController
   before_action :authorize_admin, only: [:destroy]
 
+  def print
+    @donation = Donation.find(params[:id])
+    respond_to do |format|
+      format.any do
+        pdf = DonationPdf.new(current_organization, @donation)
+        send_data pdf.compute_and_render,
+          filename: format("%s %s.pdf", @donation.source, sortable_date(@donation.created_at)),
+          type: "application/pdf",
+          disposition: "inline"
+      end
+    end
+  end
+
   def index
     setup_date_range_picker
 

app/pdfs/donation_pdf.rb

@@ -0,0 +1,195 @@
+# Configures a Prawn PDF template for generating Donation receipts
+class DonationPdf
+  include Prawn::View
+  include ItemsHelper
+
+  class DonorInfo
+    attr_reader :name, :address, :email
+
+    def initialize(donation)
+      if donation.nil?
+        raise "Must pass a Donation object"
+      end
+      case donation.source
+      when Donation::SOURCES[:donation_site]
+        @name = donation.donation_site.name
+        @address = donation.donation_site.address
+        @email = donation.donation_site.email
+      when Donation::SOURCES[:manufacturer]
+        @name = donation.manufacturer.name
+        @address = nil
+        @email = nil
+      when Donation::SOURCES[:product_drive]
+        @name = donation.product_drive_participant.business_name
+        @address = donation.product_drive_participant.address
+        @email = donation.product_drive_participant.email
+      when Donation::SOURCES[:misc]
+        @name = "Misc. Donation"
+        @address = nil
+        @email = nil
+      end
+    end
+  end
+
+  def initialize(organization, donation)
+    @donation = Donation.includes(line_items: [:item]).find_by(id: donation.id)
+    @organization = organization
+    @donor = DonorInfo.new(@donation)
+  end
+
+  def compute_and_render
+    font_families["OpenSans"] = PrawnRails.config["font_families"][:OpenSans]
+    font "OpenSans"
+    font_size 10
+
+    logo_image = if @organization.logo.attached?
+      StringIO.open(@organization.logo.download)
+    else
+      Organization::DIAPER_APP_LOGO
+    end
+
+    footer_height = 35
+
+    # Bounding box containing non-footer elements
+    bounding_box [bounds.left, bounds.top], width: bounds.width, height: bounds.height - footer_height do
+      image logo_image, fit: [250, 85]
+
+      bounding_box [bounds.right - 225, bounds.top], width: 225, height: 85 do
+        text @organization.name, align: :right
+        text @organization.address, align: :right
+        text @organization.email, align: :right
+      end
+
+      font_size 12
+      text "Issued on:", style: :bold
+      text @donation.issued_at.to_fs(:distribution_date)
+      move_up 24
+
+      font_size 12
+      text "Donation from:", style: :bold, align: :right
+      font_size 10
+      text @donor.name, align: :right
+      text @donor.address, align: :right
+      text @donor.email, align: :right
+      move_down 10
+      # Get some additional vertical distance in left column if all donor info is nil
+      if @donor.name.nil? && @donor.address.nil? && @donor.email.nil?
+        move_down 10
+      end
+
+      font_size 12
+      money_raised = "$0.00"
+      if @donation.money_raised && @donation.money_raised > 0
+        money_raised = dollar_value(@donation.money_raised)
+      end
+      text "<strong>Money Raised In Dollars: </strong>#{money_raised}", inline_format: true
+
+      move_down 10
+      font_size 12
+      text "Comments:", style: :bold
+      text @donation.comment
+
+      move_down 20
+
+      data = donation_data
+
+      hide_columns(data)
+      hidden_columns_length = column_names_to_hide.length
+
+      font_size 11
+
+      # Line item table
+      table(data) do
+        self.header = true
+        self.cell_style = {
+          padding: [5, 20, 5, 20]
+        }
+        self.row_colors = %w[dddddd ffffff]
+
+        cells.borders = []
+
+        # Header row
+        row(0).borders = [:bottom]
+        row(0).border_width = 2
+        row(0).font_style = :bold
+        row(0).size = 9
+        row(0).column(1..-1).borders = %i[bottom left]
+
+        # Total Items footer row
+        row(-1).borders = [:top]
+        row(-1).font_style = :bold
+        row(-1).column(1..-1).borders = %i[top left]
+        row(-1).column(1..-1).border_left_color = "aaaaaa"
+
+        # Footer spacing row
+        row(-2).borders = [:top]
+        row(-2).padding = [2, 0, 2, 0]
+
+        column(0).width = 190 + (hidden_columns_length * 60)
+
+        # Quantity column
+        column(1..-1).row(1..-3).borders = [:left]
+        column(1..-1).row(1..-3).border_left_color = "aaaaaa"
+        column(1).style align: :right
+      end
+    end
+
+    number_pages "Page <page> of <total>",
+      start_count_at: 1,
+      at: [bounds.right - 130, 22],
+      align: :right
+
+    repeat :all do
+      # Page footer
+      bounding_box [bounds.left, bounds.bottom + footer_height], width: bounds.width do
+        stroke_bounds
+        font "OpenSans"
+        font_size 9
+        stroke_horizontal_rule
+        move_down(5)
+
+        logo_offset = (bounds.width - 190) / 2
+        bounding_box([logo_offset, 0], width: 190, height: 33) do
+          text "Lovingly created with", valign: :center
+          image Organization::DIAPER_APP_LOGO, width: 75, vposition: :center, position: :right
+        end
+      end
+    end
+
+    render
+  end
+
+  def donation_data
+    data = [["Items Received",
+      "Value/item",
+      "In-Kind Value",
+      "Quantity"]]
+    data += @donation.line_items.sorted.map do |c|
+      [c.item.name,
+        dollar_value(c.item.value_in_cents),
+        dollar_value(c.value_per_line_item),
+        c.quantity]
+    end
+    data + [["", "", "", ""],
+      ["Total Items Received",
+        "",
+        dollar_value(@donation.value_per_itemizable),
+        @donation.line_items.total]]
+  end
+
+  def hide_columns(data)
+    column_names_to_hide.each do |col_name|
+      col_index = data.first.find_index(col_name)
+      data.each { |line| line.delete_at(col_index) } if col_index.present?
+    end
+  end
+
+  private
+
+  def column_names_to_hide
+    in_kind_column_name = "In-Kind Value"
+    columns_to_hide = []
+    columns_to_hide.push("Value/item", in_kind_column_name) if @organization.hide_value_columns_on_receipt
+    columns_to_hide
+  end
+end

app/views/donations/_donation_row.html.erb

@@ -9,6 +9,7 @@
     <td><%= truncate donation_row.comment, length: 140, separator: /\w+/ %>
       <td class="text-right">
         <%= view_button_to donation_path(donation_row) %>
+        <%= print_button_to print_donation_path(donation_row, format: :pdf) %>
       </td>
     </td>
   </td>

app/views/donations/show.html.erb

@@ -87,6 +87,7 @@
                 If you need to delete this donation or make a correction, please make the following items active: <%= @donation.inactive_items.map(&:name).join(", ") %>
               </div>
             <% end %>
+            <%= print_button_to print_donation_path(@donation, format: :pdf), { size: "md" } %>
           </div>
           </div>
       </div>

config/routes.rb

@@ -50,6 +50,9 @@ def set_up_flipper
     resources :distributions, only: [:index] do
       get :print, on: :member
     end
+    resources :donations, only: [:index] do
+      get :print, on: :member
+    end
   end
 
   # This is where a superadmin CRUDs all the things
@@ -220,6 +223,7 @@ def set_up_flipper
   resources :product_drives
 
   resources :donations do
+    get :print, on: :member
     patch :add_item, on: :member
     patch :remove_item, on: :member
   end

spec/pdfs/donation_pdf_spec.rb

@@ -0,0 +1,68 @@
+describe DonationPdf do
+  let(:donation_site) { create(:donation_site, name: "Site X", address: "1500 Remount Road, Front Royal, VA 22630", email: "test@example.com") }
+  let(:organization) { create(:organization) }
+  let(:donation) do
+    create(:donation, organization: organization, donation_site: donation_site, source: Donation::SOURCES[:donation_site],
+      comment: "A donation comment")
+  end
+  let(:item1) { FactoryBot.create(:item, name: "Item 1", package_size: 50, value_in_cents: 100) }
+  let(:item2) { FactoryBot.create(:item, name: "Item 2", value_in_cents: 200) }
+  let(:item3) { FactoryBot.create(:item, name: "Item 3", value_in_cents: 300) }
+  let(:item4) { FactoryBot.create(:item, name: "Item 4", package_size: 25, value_in_cents: 400) }
+
+  let(:org_hiding_packages_and_values) do
+    FactoryBot.create(:organization, name: DEFAULT_TEST_ORGANIZATION_NAME,
+      hide_value_columns_on_receipt: true, hide_package_column_on_receipt: true)
+  end
+  let(:org_hiding_packages) { FactoryBot.create(:organization, name: DEFAULT_TEST_ORGANIZATION_NAME, hide_package_column_on_receipt: true) }
+  let(:org_hiding_values) { FactoryBot.create(:organization, name: DEFAULT_TEST_ORGANIZATION_NAME, hide_value_columns_on_receipt: true) }
+
+  before(:each) do
+    create(:line_item, itemizable: donation, item: item1, quantity: 50)
+    create(:line_item, itemizable: donation, item: item2, quantity: 100)
+  end
+
+  specify "#donation_data" do
+    results = described_class.new(organization, donation).donation_data
+    expect(results).to eq([
+      ["Items Received", "Value/item", "In-Kind Value", "Quantity"],
+      ["Item 1", "$1.00", "$50.00", 50],
+      ["Item 2", "$2.00", "$200.00", 100],
+      ["", "", "", ""],
+      ["Total Items Received", "", "$250.00", 150]
+    ])
+  end
+
+  context "with donation data" do
+    it "hides value and package columns when true on organization" do
+      pdf = described_class.new(org_hiding_packages_and_values, donation)
+      data = pdf.donation_data
+      pdf.hide_columns(data)
+      expect(data).to eq([
+        ["Items Received", "Quantity"],
+        ["Item 1", 50],
+        ["Item 2", 100],
+        ["", ""],
+        ["Total Items Received", 150]
+      ])
+    end
+  end
+
+  context "render pdf" do
+    it "renders correctly" do
+      pdf = described_class.new(organization, donation)
+      pdf_test = PDF::Reader.new(StringIO.new(pdf.compute_and_render))
+      expect(pdf_test.page(1).text).to include(donation_site.name)
+      expect(pdf_test.page(1).text).to include(donation_site.address)
+      expect(pdf_test.page(1).text).to include(donation_site.email)
+      if donation.comment
+        expect(pdf_test.page(1).text).to include(donation.comment)
+      end
+      expect(pdf_test.page(1).text).to include("Money Raised In Dollars: $0.00")
+      expect(pdf_test.page(1).text).to include("Items Received")
+      expect(pdf_test.page(1).text).to match(/Item 1\s+\$1\.00\s+\$50\.00\s+50/)
+      expect(pdf_test.page(1).text).to match(/Item 2\s+\$2\.00\s+\$200\.00\s+100/)
+      expect(pdf_test.page(1).text).to include("Total Items Received")
+    end
+  end
+end