Merge pull request #663 from ShelterTechSF/1188-html-to-pdf-endpoint

1188 html to pdf endpoint

Author: schroerbrian

Gemfile

@@ -53,3 +53,5 @@ end
 group :test do
   gem 'rspec-collection_matchers'
 end
+
+gem 'pdfcrowd'

Gemfile.lock

@@ -149,6 +149,7 @@ GEM
     parallel (1.21.0)
     parser (3.0.2.0)
       ast (~> 2.4.1)
+    pdfcrowd (5.10.0)
     pg (1.2.3)
     phonelib (0.6.54)
     prometheus-client (2.1.0)
@@ -264,6 +265,7 @@ DEPENDENCIES
   jsonite
   jwt
   lograge
+  pdfcrowd
   pg
   phonelib
   prometheus-client

app/controllers/services_controller.rb

@@ -54,6 +54,23 @@ def show
     render json: ServicesWithResourcePresenter.present(service)
   end
 
+  def init_pdf_crowd_client
+    Pdfcrowd::HtmlToPdfClient.new(Rails.configuration.x.pdfcrowd.username, Rails.configuration.x.pdfcrowd.api_key)
+  end
+
+  def html_to_pdf
+    if Rails.configuration.x.pdfcrowd.api_key && Rails.configuration.x.pdfcrowd.username
+      client = init_pdf_crowd_client
+      pdf = client.convertString(params[:html])
+      send_data pdf,
+                { type: "application/pdf",
+                  disposition: "attachment; filename*=UTF-8''#{ERB::Util.url_encode('result.pdf')} }" }
+    end
+  rescue Pdfcrowd::Error => e
+    puts "Failed to convert HTML to PDF: #{e}"
+    render plain: "There was an error getting the PDF. Please try again", status: 500
+  end
+
   def featured
     category_id = params[:category_id]
     featured_services = services.includes(

config/environments/development.rb

@@ -36,4 +36,8 @@
   config.lograge.enabled = true
 
   config.hosts << 'askdarcel.lvh.me'
+
+  # Public API key provided by PDF Crowd
+  config.x.pdfcrowd.api_key = 'ce544b6ea52a5621fb9d55f8b542d14d'
+  config.x.pdfcrowd.username = 'demo'
 end

config/routes.rb

@@ -44,6 +44,7 @@
       get :pending
       get :count
       get :search
+      post :html_to_pdf
     end
   end
   resources :notes do