Rough rendition of pdf snapshotter works

6 files changed, 98 insertions, 47 deletions

diff --git a/Gemfile b/Gemfile
index 8108483..628cf20 100644
--- a/Gemfile
+++ b/Gemfile
@@ -42,6 +42,8 @@ gem "thruster", require: false
 # Use Active Storage variants [https://guides.rubyonrails.org/active_storage_overview.html#transforming-images]
 gem "image_processing", "~> 1.2"
 
+gem "mini_magick"
+
 group :development, :test do
   # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem
   gem "debug", platforms: %i[ mri windows ], require: "debug/prelude"
diff --git a/Gemfile.lock b/Gemfile.lock
index c3948f6..0feec29 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -395,6 +395,7 @@ DEPENDENCIES
   importmap-rails
   jbuilder
   kamal
+  mini_magick
   propshaft
   puma (>= 5.0)
   rails (~> 8.0.0)
diff --git a/app/controllers/pdfresources_controller.rb b/app/controllers/pdfresources_controller.rb
index 1f8a6af..3c5fe6d 100644
--- a/app/controllers/pdfresources_controller.rb
+++ b/app/controllers/pdfresources_controller.rb
@@ -26,7 +26,8 @@ class PdfresourcesController < ApplicationController
 
     respond_to do |format|
       if @pdfresource.save
-        format.html { redirect_to @pdfresource, notice: "Pdfresource was successfully created." }
+        process_pdfs(@pdfresource.pdfs)
+        format.html { redirect_to @pdfresource, notice: "Resource was successfully created." }
         format.json { render :show, status: :created, location: @pdfresource }
       else
         format.html { render :new, status: :unprocessable_entity }
@@ -34,6 +35,39 @@ class PdfresourcesController < ApplicationController
       end
     end
   end
+  
+  def process_pdfs(pdfs)
+    pdfs.each do |pdf|
+      pdf_path = ActiveStorage::Blob.service.send(:path_for, pdf.key)
+      convert_pdf_to_images(pdf_path, @pdfresource)
+    end
+  end
+
+  def convert_pdf_to_images(pdf_path, resource)
+    page_count_output = MiniMagick::Tool::Identify.new do |identify|
+      identify.format '%n'
+      identify << pdf_path
+    end
+
+    page_count = page_count_output.size
+
+    page_count.times do |index|
+      image_path = "page-#{index + 1}.jpg"
+      MiniMagick::Tool::Magick.new do |magick|
+        magick << "#{pdf_path}[#{index}]" # Process each PDF page individually
+        magick << image_path
+      end
+
+      image_blob = ActiveStorage::Blob.create_and_upload!(
+        io: File.open(image_path),
+        filename: "page-#{index + 1}.jpg",
+        content_type: 'image/jpg'
+      )
+      resource.pdf_snapshots.attach(image_blob)
+
+      File.delete(image_path) # Clean up the temporary file
+    end
+  end
 
   # PATCH/PUT /pdfresources/1 or /pdfresources/1.json
   def update
diff --git a/app/models/pdfresource.rb b/app/models/pdfresource.rb
index 6614f66..110a3c7 100644
--- a/app/models/pdfresource.rb
+++ b/app/models/pdfresource.rb
@@ -1,7 +1,16 @@
 class Pdfresource < ApplicationRecord
   has_many_attached :pdfs
   has_many_attached :thumbnails
+  has_many_attached :pdf_snapshots
   validates :feature_slot,
             numericality: { only_integer: true, greater_than_or_equal_to: 1, less_than_or_equal_to: 3, allow_nil: true },
             allow_nil: true
+  validate :validate_pdf_count
+  validates :name, presence: true
+
+  def validate_pdf_count
+    if pdfs.size > 10
+      errors.add(:pdfs, "You can upload up to 10 PDFs per resource.")
+    end
+  end
 end
diff --git a/app/views/pdfresources/_pdfresource.html.erb b/app/views/pdfresources/_pdfresource.html.erb
index 7a2409e..3c8b3a8 100644
--- a/app/views/pdfresources/_pdfresource.html.erb
+++ b/app/views/pdfresources/_pdfresource.html.erb
@@ -3,58 +3,64 @@
     <%= image_tag url_for(pdfresource.thumbnails.first), size: "500x100", class: "rounded-t-lg" %>
   </div>
 
-  <div class="ps-2">
-    <p class="my-5">
-      <strong class="block font-bold mb-2"><%= pdfresource.name %></strong>
-    </p>
-
-    <div class="px-6 pt-4 pb-2">
-      <span class="inline-block bg-gray-200 rounded-full px-3 py-1 text-sm font-semibold text-gray-700 mr-2 mb-2">#photography</span>
-      <span class="inline-block bg-gray-200 rounded-full px-3 py-1 text-sm font-semibold text-gray-700 mr-2 mb-2">#travel</span>
-      <span class="inline-block bg-gray-200 rounded-full px-3 py-1 text-sm font-semibold text-gray-700 mr-2 mb-2">#winter</span>
-    </div>
-
-    <p class="my-5 text-gray-500 text-base">
-      <%= pdfresource.card_description %>
-    </p>
-
-    <p class="my-5">
-      <strong class="block font-medium mb-1">Stripe product:</strong>
-      <%= pdfresource.stripe_product_id %>
-    </p>
-
-    <p class="my-5">
-      <strong class="block font-medium mb-1">Pdfs:</strong>
-      <% pdfresource.pdfs.each do |pdf| %>
+  <p class="my-5">
+    <strong class="block font-bold mb-2"><%= pdfresource.name %></strong>
+  </p>
+
+  <div class="px-6 pt-4 pb-2">
+    <span class="inline-block bg-gray-200 rounded-full px-3 py-1 text-sm font-semibold text-gray-700 mr-2 mb-2">#photography</span>
+    <span class="inline-block bg-gray-200 rounded-full px-3 py-1 text-sm font-semibold text-gray-700 mr-2 mb-2">#travel</span>
+    <span class="inline-block bg-gray-200 rounded-full px-3 py-1 text-sm font-semibold text-gray-700 mr-2 mb-2">#winter</span>
+  </div>
+
+  <p class="my-5 text-gray-500 text-base">
+    <%= pdfresource.card_description %>
+  </p>
+
+  <p class="my-5">
+    <strong class="block font-medium mb-1">Stripe product:</strong>
+    <%= pdfresource.stripe_product_id %>
+  </p>
+
+  <div class="my-5">
+    <strong class="block font-medium mb-1">PDFs:</strong>
+    <% pdfresource.pdfs.each do |pdf| %>
       <div><%= link_to pdf.filename, pdf %></div>
     <% end %>
-    </p>
+  </div>
 
+  <div class="my-5">
+    <strong class="block font-medium mb-1">Snapshots:</strong>
+    <% pdfresource.pdf_snapshots.each do |image| %>
+      <div><%= link_to image.filename, image %></div>
+    <% end %>
+  </div>
 
-    <p class="my-5">
-      <strong class="block font-medium mb-1">Price:</strong>
-      <%= pdfresource.price %>
-    </p>
 
-    <p class="my-5">
-      <strong class="block font-medium mb-1">Age range:</strong>
-      <%= pdfresource.age_range %>
-    </p>
+  <p class="my-5">
+    <strong class="block font-medium mb-1">Price:</strong>
+    <%= pdfresource.price %>
+  </p>
+
+  <p class="my-5">
+    <strong class="block font-medium mb-1">Age range:</strong>
+    <%= pdfresource.age_range %>
+  </p>
 
-    <p class="my-5">
-      <strong class="block font-medium mb-1">Curriculum:</strong>
-      <%= pdfresource.curriculum %>
-    </p>
+  <p class="my-5">
+    <strong class="block font-medium mb-1">Curriculum:</strong>
+    <%= pdfresource.curriculum %>
+  </p>
 
-    <p class="my-5">
-      <strong class="block font-medium mb-1">Feature slot:</strong>
-      <%= pdfresource.feature_slot %>
-    </p>
+  <p class="my-5">
+    <strong class="block font-medium mb-1">Feature slot:</strong>
+    <%= pdfresource.feature_slot %>
+  </p>
 
-    <p class="my-5">
-      <strong class="block font-medium mb-1">Description:</strong>
-      <%= pdfresource.description %>
-    </p></div>
+  <p class="my-5">
+    <strong class="block font-medium mb-1">Description:</strong>
+    <%= pdfresource.description %>
+  </p>
 
   <p>
     <%= link_to "Show this pdfresource", pdfresource, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
diff --git a/app/views/pdfresources/new.html.erb b/app/views/pdfresources/new.html.erb
index 73f1a01..5fa06d1 100644
--- a/app/views/pdfresources/new.html.erb
+++ b/app/views/pdfresources/new.html.erb
@@ -1,5 +1,4 @@
-<div class="mx-auto md:w-1/2 w-full">
-  <h1 class="font-bold text-4xl">Add a new Resource</h1>
+<div class="mx-auto md:w-1/2 w-full">  <h1 class="font-bold text-4xl">Add a new Resource</h1>
 
   <%= render "form", pdfresource: @pdfresource %>