Add filters to product drive participant list

app/controllers/product_drive_participants_controller.rb

@@ -3,14 +3,12 @@
 class ProductDriveParticipantsController < ApplicationController
   include Importable
 
-  # TODO: Should there be a :destroy action for this?
-
   def index
-    @product_drive_participants = current_organization.product_drive_participants.includes(:donations).with_volumes.order(:business_name)
+    @products = View::ProductDriveParticipants.new(params: params, organization: current_organization)
 
     respond_to do |format|
       format.html
-      format.csv { send_data ProductDriveParticipant.generate_csv(@product_drive_participants), filename: "ProductDriveParticipants-#{Time.zone.today}.csv" }
+      format.csv { send_data ProductDriveParticipant.generate_csv(@products.participants), filename: "ProductDriveParticipants-#{Time.zone.today}.csv" }
     end
   end
 
@@ -65,6 +63,8 @@ def product_drive_participant_params
 
   helper_method \
     def filter_params
-    {}
+    return {} unless params.key?(:filters)
+
+    params.require(:filters).permit(:by_business_name, :by_contact_name)
   end
 end

app/models/product_drive_participant.rb

@@ -18,8 +18,9 @@
 
 class ProductDriveParticipant < ApplicationRecord
   has_paper_trail
-  include Provideable
+  include Filterable
   include Geocodable
+  include Provideable
 
   has_many :donations, inverse_of: :product_drive_participant, dependent: :destroy
 
@@ -30,6 +31,8 @@ class ProductDriveParticipant < ApplicationRecord
   validates :comment, length: { maximum: 500 }
 
   scope :alphabetized, -> { order(:contact_name) }
+  scope :by_business_name, ->(business_name) { where("business_name ILIKE ?", "%#{business_name}%") }
+  scope :by_contact_name, ->(contact_name) { where("contact_name ILIKE ?", "%#{contact_name}%") }
   scope :with_volumes, -> {
     left_joins(donations: :line_items)
       .select("product_drive_participants.*, SUM(COALESCE(line_items.quantity, 0)) AS volume")

app/models/view/product_drive_participants.rb

@@ -0,0 +1,33 @@
+module View
+  class ProductDriveParticipants
+    attr_reader :filters, :params, :participants
+
+    def initialize(params:, organization:)
+      @params = params
+      @filters = filter_params(params)
+
+      @participants = organization
+        .product_drive_participants
+        .includes(:donations)
+        .with_volumes
+        .class_filter(filters)
+        .order(:business_name)
+    end
+
+    def filter_params(params = {})
+      if params.key?(:filters)
+        params.require(:filters).permit(:by_business_name, :by_contact_name)
+      else
+        {}
+      end
+    end
+
+    def selected_business_name
+      filters[:by_business_name]
+    end
+
+    def selected_contact_name
+      filters[:by_contact_name]
+    end
+  end
+end

app/views/product_drive_participants/index.html.erb

@@ -22,6 +22,36 @@
   </div><!-- /.container-fluid -->
 </section>
 
+<div class="container-fluid">
+  <div class="row">
+    <div class="col-md-12">
+      <div class="card card-primary">
+        <div class="card-header">
+          <h3 class="card-title">Product Drive Participants Filters</h3>
+        </div>
+        <div class="card-body">
+          <%= form_tag(product_drive_participants_path, method: :get) do |f| %>
+            <div class="row">
+              <div class="form-group col-lg-3 col-md-4 col-sm-6 col-xs-12">
+                <%= filter_text(label: "Filter By Business Name", scope: :by_business_name, selected: @products.selected_business_name) %>
+              </div>
+              <div class="form-group col-lg-3 col-md-4 col-sm-6 col-xs-12">
+                <%= filter_text(label: "Filter By Contact Name", scope: :by_contact_name, selected: @products.selected_contact_name) %>
+              </div>
+            </div>
+            </div>
+            <div class="card-footer">
+              <%= filter_button %>
+              <%= clear_filter_button %>
+            </div>
+          <% end %>
+          </div>
+    </div>
+    <div class="col-md-6">
+    </div>
+  </div>
+</div>
+
 <section class="content">
   <div class="container-fluid">
     <div class="row">
@@ -31,8 +61,8 @@
         <div class="card card-primary">
           <div class="card-footer">
             <div class="pull-right">
-              <%= modal_button_to("#csvImportModal", {icon: "upload", text: "Import Product Drive Participants", size: "md"}) if @product_drive_participants.empty? %>
-              <%= download_button_to(product_drive_participants_path(format: :csv, filters: filter_params.merge(date_range: date_range_params)), {text: "Export Product Drive Participants", size: "md"}) if @product_drive_participants.any? %>
+              <%= modal_button_to("#csvImportModal", {icon: "upload", text: "Import Product Drive Participants", size: "md"}) if @products.participants.empty? %>
+              <%= download_button_to(product_drive_participants_path(format: :csv, filters: filter_params.merge(date_range: date_range_params)), {text: "Export Product Drive Participants", size: "md"}) if @products.participants.any? %>
 
               <%= new_button_to new_product_drive_participant_path, text: "New Product Drive Participant" %>
             </div>
@@ -64,7 +94,7 @@
               </tr>
               </thead>
               <tbody>
-              <%= render partial: "product_drive_participant_row", collection: @product_drive_participants %>
+              <%= render partial: "product_drive_participant_row", collection: @products.participants %>
               </tbody>
             </table>
           </div>

spec/models/product_drive_participant_spec.rb

@@ -49,6 +49,26 @@
         expect(subject.first.volume).to eq(10)
       end
     end
+
+    describe ".by_business_name" do
+      it "returns the product drive participant with a given business name" do
+        cats_biz = create(:product_drive_participant, business_name: "Cats")
+        another_cats_biz = create(:product_drive_participant, business_name: "I like cats")
+        create(:product_drive_participant, business_name: "Dogs")
+
+        expect(ProductDriveParticipant.by_business_name("Cats")).to match_array([cats_biz, another_cats_biz])
+      end
+    end
+
+    describe ".by_contact_name" do
+      it "returns the product drive participant with a given contact name" do
+        eleanor = create(:product_drive_participant, contact_name: "Eleanor Shellstrop")
+        donna = create(:product_drive_participant, contact_name: "Donna Shellstrop")
+        create(:product_drive_participant, contact_name: "Jason Mendoza")
+
+        expect(ProductDriveParticipant.by_contact_name("Shellstrop")).to match_array([eleanor, donna])
+      end
+    end
   end
 
   context "Methods" do

spec/models/view/product_drive_participants_spec.rb

@@ -0,0 +1,21 @@
+RSpec.describe View::ProductDriveParticipants do
+  describe "selected filter params" do
+    it "returns the given filter params" do
+      organization = build(:organization)
+      build(:product_drive_participant, organization:)
+      params = ActionController::Parameters.new(
+      {
+        filters: {
+          by_business_name: "The Good Place",
+          by_contact_name: "Jason Mendoza"
+        }
+      }
+    ).permit!
+
+      requests = View::ProductDriveParticipants.new(params:, organization:)
+
+      expect(requests.selected_business_name).to eq("The Good Place")
+      expect(requests.selected_contact_name).to eq("Jason Mendoza")
+    end
+  end
+end

spec/requests/product_drive_participants_requests_spec.rb

@@ -2,7 +2,7 @@
   let(:organization) { create(:organization) }
   let(:user) { create(:user, organization: organization) }
 
-  context "While signed in" do
+  context "when signed in" do
     before do
       sign_in(user)
     end
@@ -25,6 +25,44 @@
         let(:response_format) { 'csv' }
 
         it { is_expected.to be_successful }
+
+        it "exports the filtered results" do
+          create(:product_drive_participant, business_name: "A business named after cats")
+          create(:product_drive_participant, business_name: "Dogs are cool")
+
+          get product_drive_participants_path(format: :csv, params: {filters: { by_business_name: 'cats'}})
+
+          csv = CSV.parse(response.body, headers: true)
+
+          expect(csv.count).to eq(1)
+          expect(csv.first["Business Name"]).to eq("A business named after cats")
+        end
+      end
+
+      context "when filtering by business name" do
+        it 'displays only results that matches the business name' do
+          create(:product_drive_participant, business_name: "A business named after cats")
+          create(:product_drive_participant, business_name: "Dogs are cool")
+
+          get product_drive_participants_path(filters: {by_business_name: 'Cats'})
+
+          expect(response).to be_successful
+          expect(response.body).to include("Cats")
+          expect(response.body).not_to include("Dogs")
+        end
+      end
+
+      context "when filtering by contact name" do
+        it 'displays only results that matches the contact name' do
+          create(:product_drive_participant, contact_name: "Bob Cat")
+          create(:product_drive_participant, contact_name: "Freddie the dog")
+
+          get product_drive_participants_path(filters: {by_contact_name: 'Cats'})
+
+          expect(response).to be_successful
+          expect(response.body).to include("Cats")
+          expect(response.body).not_to include("Dogs")
+        end
       end
     end