create script to download transcripts in bulk

Gemfile

@@ -53,6 +53,7 @@ group :development do
   gem 'rack-mini-profiler'
   gem 'listen'
   gem 'timecop'
+  gem 'wicked_pdf'
 end
 
 group :test, :development do

Gemfile.lock

@@ -507,6 +507,8 @@ GEM
     websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
+    wicked_pdf (2.7.0)
+      activesupport
     xpath (3.2.0)
       nokogiri (~> 1.8)
     zeitwerk (2.6.12)
@@ -589,6 +591,7 @@ DEPENDENCIES
   validate_url
   vcr
   webmock
+  wicked_pdf
 
 RUBY VERSION
    ruby 3.2.2p53

app/views/transcripts/show.html.erb

@@ -1,40 +1 @@
-<div class="row">
-  <div class="col-md-8 col-md-offset-2">
-    <h1 class="text-center">Transcript for Epicodus</h1>
-    <p class="text-center"><em><strong>
-      <%= @student.cohort.try(:description).try('include?', 'Data Engineering') ? 'Data Engineering' : 'Web and Mobile Development' %>
-    </em></p>
-    <p class="text-center">520 SW 6th Ave, Suite 300, Portland OR 97204</p>
-    <p>Student: <strong><%= @student.name %></strong></p>
-    <p>Dates Enrolled: <%= @student.courses.order(:start_date).first.start_date.strftime('%B %d, %Y') %> - <%= @student.courses.order(:start_date).last.end_date.strftime('%B %d, %Y') %></p>
-
-    <p>Courses: <strong>(does not include courses in progress)</strong></p>
-    <ul>
-      <% @completed_courses.each do |course| %>
-        <li>
-          <%= course.description %>
-          <ul>
-            <% course.code_reviews.where(journal: nil).or(course.code_reviews.where(journal: false)).each do |code_review| %>
-            <li>
-              <%= code_review.title %>
-              <span class="pull-right"><em><%= code_review.status(@student) %></em></span>
-            </li>
-            <% end %>
-          </ul>
-        </li>
-      <% end %>
-    </ul>
-
-    <% if @completed_courses.non_internship_courses.any? %>
-      <% if @student.total_attendance_score >= 90.0 %>
-        <p>Epicodus requires students to attend class at least 90% of the time. This student met that requirement.</p>
-      <% end %>
-    <% end %>
-
-    <p><%= image_tag "signature.png" %></p>
-    <p><strong>Michael Kaiser-Nyman, President</strong></p>
-    <p>Date: <%= @completed_courses.last.end_date.strftime('%B %d, %Y') %></p>
-    <br>
-    <p>Epicodus maintains student transcripts for 50 years.</p>
-  </div>
-</div>
+<%= render partial: 'transcript', locals: {student: @student, completed_courses: @completed_courses} %>

lib/tasks/save_all_transcripts.rake

@@ -0,0 +1,24 @@
+# USAGE: before running, brew install wkhtmltopdf
+require 'wicked_pdf'
+
+task :save_all_transcripts => [:environment] do
+  students = Student.select {|s| s.courses.any?}
+  puts "Total students: #{students.count}"
+  students.each do |student|
+    puts student.email
+    @student = student
+    @completed_courses = student.courses.order(:start_date)
+
+    html = ActionController::Base.new.render_to_string(
+      template: 'transcripts/_transcript',
+      locals: { student: @student, completed_courses: @completed_courses }
+    )
+
+    pdf = WickedPdf.new.pdf_from_string(html)
+
+    file_path = Rails.root.join('transcripts-output', "#{student.name.parameterize}_#{student.email}.pdf")
+    File.open(file_path, 'wb') do |file|
+      file << pdf
+    end
+  end
+end