Fix broken file downloads

app/controllers/research_controller.rb

@@ -2,4 +2,9 @@ class ResearchController < ApplicationController
   def index
 
   end
+
+  
+  def download_pdf
+    send_file "#{Rails.root}/public/docs/#{params[:path]}.pdf", type: "application/pdf", x_sendfile: true
+  end
 end

app/views/research/index.html.erb

@@ -17,17 +17,17 @@
 <div class="container px-5 my-5">
   <div class="row gx-5 justify-content-center">
     <div class="grid-container download-container">
-      <%= link_to("Test Anxiety", download: asset_path("docs/test_anxiety_and_poor_sleep_2021.pdf"), target: "_blank") do  %>
+      <%= link_to(research_download_pdf_path(path: "test_anxiety_and_poor_sleep")) do  %>
         <%= image_tag "research/test_anxiety_and_sleep.png", class: "file-download"  %>
       <% end %>
     </div>
     <div class="grid-container download-container">
-      <%= link_to("Psychological toll of high statkes testing", download: asset_path("docs/psychological_toll_of_high_stakes_testing_2022.pdf"), target: "_blank") do  %>
+      <%= link_to(research_download_pdf_path(path: "psychological_toll_of_high_stakes_testing")) do  %>
         <%= image_tag "research/psychological_toll_of_high_stakes_testing.png", class: "file-download"  %>
       <% end %>
     </div>
     <div class="grid-container download-container">
-      <%= link_to("Test Anxiety", download: asset_path("docs/testing_stress_and_performance.pdf"), target: "_blank") do  %>
+      <%= link_to(  research_download_pdf_path(path: "testing_stress_and_performance")) do  %>
         <%= image_tag "research/testing_stress.png", class: "file-download"  %>
       <% end %>
     </div>

config/routes.rb

@@ -6,6 +6,7 @@ Rails.application.routes.draw do
   resources :qpa, only: :index
   resources :resource, only: :index
   resources :research, only: :index
+  get 'research/download_pdf', to: "research#download_pdf"
   resources :work_with_ecp, only: :index
   resources :construction, only: :index
   resources :district_leader, only: :index