Added prereq column to Course and loads them from catalog

schedules/app/views/shared/_course.html.erb

@@ -11,8 +11,15 @@
 
     <p class="description"><%= course.description %></p>
 
+    <% unless course.prereqs.empty? %>
+	<% first, rest = course.prereqs.split(':') %>
+	<% prereqs, note = rest.split('.') %>
+	<p><strong><%= first %>:</strong> <%= prereqs %> <sub><%= note %></sub></p>
+    <% end %>
+
     <div class="d-block" style="text-align: center">
-      <i class="fas fa-chevron-down"></i>
+	<p style="margin-bottom:-4px; font-size: 10px;">Expand</p>
+	<i class="fas fa-chevron-down"></i>
     </div>
 
     <!-- List of Course Sections -->

schedules/db/courses_loader.rb

@@ -22,12 +22,15 @@ def get_courses(subj)
 
     description = course.css('.courseblockdesc').text
 
+    prereqs = course.css('p.prereq').text
+
     {
       subject: subj,
       title: name,
       course_number: num,
       credits: credits_num,
-      description: description
+      description: description,
+      prereqs: prereqs
     }
   end
 end

schedules/db/migrate/20180927133105_add_prereqs_to_courses.rb

+class AddPrereqsToCourses < ActiveRecord::Migration[5.1]
+  def change
+    add_column :courses, :prereqs, :string
+  end
+end

schedules/db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20180914210918) do
+ActiveRecord::Schema.define(version: 20180927133105) do
 
   create_table "closures", force: :cascade do |t|
     t.date "date"
@@ -54,6 +54,7 @@ ActiveRecord::Schema.define(version: 20180914210918) do
     t.string "prerequisite"
     t.string "restrictions"
     t.string "title"
+    t.string "prereqs"
     t.index ["semester_id"], name: "index_courses_on_semester_id"
   end
 

schedules/db/seeds.rb

@@ -30,6 +30,7 @@ def load_courses(courses, semester)
       course_number: course[:course_number],
       credits: course[:credits],
       description: course[:description],
+      prereqs: course[:prereqs],
       semester: semester
     }
   end