Added data + DB seed script

schedules/Gemfile

@@ -52,3 +52,5 @@ end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+
+gem 'rubyXL'
\ No newline at end of file

schedules/db/schema.rb

+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema.define(version: 20180407190750) do
+
+  create_table "courses", force: :cascade do |t|
+    t.string "subject"
+    t.string "course_number"
+    t.integer "semester_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["semester_id"], name: "index_courses_on_semester_id"
+  end
+
+  create_table "sections", force: :cascade do |t|
+    t.string "name"
+    t.string "crn"
+    t.string "section_type"
+    t.string "title"
+    t.string "instructor"
+    t.date "start_date"
+    t.date "end_date"
+    t.string "days"
+    t.string "start_time"
+    t.string "end_time"
+    t.string "location"
+    t.string "status"
+    t.string "campus"
+    t.string "notes"
+    t.integer "size_limit"
+    t.integer "course_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["course_id"], name: "index_sections_on_course_id"
+  end
+
+  create_table "semesters", force: :cascade do |t|
+    t.string "season"
+    t.string "year"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+end

schedules/db/seeds.rb

@@ -5,3 +5,98 @@
 #
 #   movies = Movie.create([{ name: 'Star Wars' }, { name: 'Lord of the Rings' }])
 #   Character.create(name: 'Luke', movie: movies.first)
+
+require 'rubyXL'
+
+# Open the data file...this takes a while
+workbook = RubyXL::Parser.parse('db/data/allsections.xlsx')
+rows = workbook[0]
+
+puts 'Done parsing!'
+
+# The first 16 rows are not actual data, so remove them
+rows = rows.drop(16)
+
+# Keep track of the course each section is for
+current_course = nil
+
+# Create the Semester object that all courses will belong to
+semester = Semester.create season: "Fall", year: "2018"
+semester.save
+
+# Loop through all the rows in the date
+rows.each do | row |
+  # Get all the info out of the current row
+  course_name = row&.cells[1]&.value
+  section_name = row&.cells[2]&.value
+  crn = row&.cells[6]&.value
+  schedule_type = row&.cells[8]&.value
+  section_title = row&.cells[11]&.value
+  instructor = row&.cells[16]&.value
+  start_date = row&.cells[18]&.value
+  end_date = row&.cells[21]&.value
+  days = row&.cells[22]&.value
+  times = row&.cells[23]&.value
+  location = row&.cells[25]&.value
+
+  # Ensure the course name is valid
+  if course_name && !course_name.empty? && course_name != 'Total'
+
+    # Split the name into its two components, i.e. "CS 112" => ["CS", "112"]
+    name_components = course_name.split(' ')
+
+    # Create and save the course, and set it to be the current_course
+    current_course = Course.create subject: name_components[0], course_number: name_components[1], semester: semester
+    current_course.save
+
+    puts "Created course named: #{current_course.subject} #{current_course.course_number}"
+  end
+
+  # If there is no valid section name, just continue to the next row
+  if !section_name || section_name&.empty? || section_name == 'Total'
+    next
+  else
+    # Create the new section
+    section = Section.new
+
+    # Add all fields to the section, ensuring each is valid
+    section.name = section_name
+    section.course = current_course
+    if crn
+      section.crn = crn
+    end
+    if schedule_type
+      section.section_type = schedule_type
+    end
+    if section_title
+      section.title = section_title
+    end
+    if instructor
+      section.instructor = instructor
+    end
+    if start_date
+      section.start_date = start_date
+    end
+    if end_date
+      section.end_date = end_date
+    end
+    if days
+      section.days = days
+    end
+    if times
+      # The time field in the spreadsheet uses the format "start_time - end_time" i.e. "12:00 PM - 1:15 PM".
+      # So, split the times string by the - character
+      time_strs = times.split('-')
+      section.start_time = time_strs[0].strip
+      section.end_date = time_strs[1].strip
+    end
+    if location
+      section.location = location
+    end
+
+    # Save the section to the database
+    section.save
+
+    puts "Created section for named #{section.name}"
+  end
+end