Class: Qcourses::Event

Inherits:
Sequel::Model
  • Object
show all
Defined in:
lib/qcourses/models/event.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attributes = {}) ⇒ Event

Returns a new instance of Event.



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# File 'lib/qcourses/models/event.rb', line 8

def initialize(attributes = {})
  super({:open => true}.merge attributes)
end

Class Method Details

.find(id) ⇒ Object 



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# File 'lib/qcourses/models/event.rb', line 19

def self.find(id)
  self[id]
end

.opens(object_id) ⇒ Object 



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# File 'lib/qcourses/models/event.rb', line 11

def self.opens(object_id)
  first{ ({id => object_id}) & (from > Time.now) }
end

.planned ⇒ Object 



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# File 'lib/qcourses/models/event.rb', line 15

def self.planned
  order(:from).filter { from > Time.now }
end

Instance Method Details

#course ⇒ Object 



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# File 'lib/qcourses/models/event.rb', line 56

def course
  @course ||= CourseRepository.find(course_id)
end

#location=(new_location) ⇒ Object 



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# File 'lib/qcourses/models/event.rb', line 30

def location=(new_location)
  if new_location.is_a?(String)
    new_location = Location.find_or_create_bij_insensitive_name(new_location)
  end
  super(new_location)
end

#location_name ⇒ Object 



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# File 'lib/qcourses/models/event.rb', line 51

def location_name
  return 'unknown' unless location
  location.name
end

#name ⇒ Object 



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# File 'lib/qcourses/models/event.rb', line 37

def name
  return "removed course (#{course_id})" unless course
  course.name
end

#open? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/qcourses/models/event.rb', line 42

def open?
  max_participants > registrations.size
end

#subtitle ⇒ Object 



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# File 'lib/qcourses/models/event.rb', line 46

def subtitle
  return '' unless course
  course.subtitle
end

#validate ⇒ Object 



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# File 'lib/qcourses/models/event.rb', line 23

def validate
  super
  validates_presence :from
  errors.add(:from, "must be a time") unless is_a_time?(from)
  errors.add(:location, "must be an associated location") unless location && location.valid?
end