Fixed broken validators

schedules_api/app/controllers/course_sections_controller.rb

@@ -6,7 +6,7 @@ class CourseSectionsController < ApplicationController
   end
   
   api :GET, '/courses_sections', 'Get a list of course sections'
-  param :course_id, Fixnum, desc: "Only get the course sections belonging to the course with this ID"
+  param :course_id, Integer, desc: "Only get the course sections belonging to the course with this ID"
   param :crn, String, desc: "Get the course section with this CRN"
   def index
     @sections = CourseSection.all

schedules_api/app/controllers/courses_controller.rb

@@ -6,7 +6,7 @@ class CoursesController < ApplicationController
   
   api :GET, '/courses', "Get a list of courses."
   param :subject, String, desc: 'Course subject, e.g. "CS" or "ACCT"'
-  param :course_number, :number, desc: 'Course number, e.g. "112"'
+  param :course_number, Integer, desc: 'Course number, e.g. "112"'
   def index
     @courses = Course.all
 
@@ -17,7 +17,6 @@ class CoursesController < ApplicationController
     render json: @courses
   end
 
-  # Renders JSON of details of a singluar course, such as its sections
   api :GET, '/courses/:id', "Get a list of all course sections for the course with the given id."
   param :id, :number, desc: 'Course ID', required: true
   def show

schedules_api/app/controllers/schedules_controller.rb

@@ -9,7 +9,7 @@ class SchedulesController < ApplicationController
   # Render an iCal file containing the schedules of all the
   # course sections with the given CRNs.
   api :GET, '/schedules', 'Generate an iCal file with events for the given CRNs'
-  param :crns, Array, of: String, desc: 'Array of CRNs to include as events in the calendar', required: true
+  param :crns, String, desc: 'Comma separated list of CRNs to include as events in the calendar', required: true
   def index
     crns = params["crns"].split ','
     @schedule = Schedule.new crns

schedules_api/config/initializers/apipie_validators.rb

+class IntegerValidator < Apipie::Validator::BaseValidator
+  def initialize(param_description, argument)
+    super(param_description)
+    @type = argument
+  end
+
+  def validate(value)
+    return false if value.nil?
+    !!(value.to_s =~ /^[-+]?[0-9]+$/)
+  end
+
+  def self.build(param_description, argument, options, block)
+    if argument == Integer
+      self.new(param_description, argument)
+    end
+  end
+
+  def description
+    "Must be #{@type}."
+  end
+end