class SakaiInfo::Assignment

Attributes

dbrow[R]
site_id[R]

Public Class Methods

clear_cache() click to toggle source
# File lib/sakai-info/assignment.rb, line 16
def self.clear_cache
  @@cache = {}
end
count_by_site_id(site_id) click to toggle source
# File lib/sakai-info/assignment.rb, line 53
def self.count_by_site_id(site_id)
  Assignment.query_by_site_id(site_id).count
end
find(id) click to toggle source
# File lib/sakai-info/assignment.rb, line 21
def self.find(id)
  if @@cache[id].nil?
    xml = ""
    row = DB.connect[:assignment_assignment].where(:assignment_id => id).first
    if row.nil?
      raise ObjectNotFoundException.new(Assignment, id)
    end
    @@cache[id] = Assignment.new(row)
  end
  @@cache[id]
end
find_by_site_id(site_id) click to toggle source
# File lib/sakai-info/assignment.rb, line 48
def self.find_by_site_id(site_id)
  Assignment.query_by_site_id(site_id).
    all.collect { |row| Assignment.new(row) }
end
new(dbrow) click to toggle source

raw data constructor

# File lib/sakai-info/assignment.rb, line 34
def initialize(dbrow)
  @dbrow = dbrow

  @id = dbrow[:assignment_id]
  @site_id = dbrow[:context]

  parse_xml
end
query_by_site_id(site_id) click to toggle source

set lookup

# File lib/sakai-info/assignment.rb, line 44
def self.query_by_site_id(site_id)
  DB.connect[:assignment_assignment].where(:context => site_id)
end

Public Instance Methods

default_serialization() click to toggle source

yaml/json serialization

# File lib/sakai-info/assignment.rb, line 75
def default_serialization
  {
    "id" => self.id,
    "title" => self.title,
    "site" => self.site.serialize(:summary),
    "submission_count" => self.submission_count
  }
end
site() click to toggle source
# File lib/sakai-info/assignment.rb, line 62
def site
  @site ||= Site.find(self.site_id)
end
submission_count() click to toggle source
# File lib/sakai-info/assignment.rb, line 70
def submission_count
  @submission_count ||= AssignmentSubmission.count_by_assignment_id(self.id)
end
submissions() click to toggle source
# File lib/sakai-info/assignment.rb, line 66
def submissions
  @submissions ||= AssignmentSubmission.find_by_assignment_id(self.id)
end
submissions_serialization() click to toggle source
# File lib/sakai-info/assignment.rb, line 92
def submissions_serialization
  {
    "submissions" => self.submissions.collect{|s|s.serialize(:assignment_summary)}
  }
end
summary_serialization() click to toggle source
# File lib/sakai-info/assignment.rb, line 84
def summary_serialization
  {
    "id" => self.id,
    "title" => self.title,
    "submission_count" => self.submission_count
  }
end
title() click to toggle source

getters

# File lib/sakai-info/assignment.rb, line 58
def title
  @attributes["title"]
end