Class: Course

Inherits:
ActiveRecord::Base
  • Object
show all
Extended by:
FriendlyId
Defined in:
app/models/course.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.calculate(current_certs, desired_certs) ⇒ Object 



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# File 'app/models/course.rb', line 52

def self.calculate(current_certs, desired_certs)
  current = [current_certs[:tec_cert], current_certs[:rec_cert], current_certs[:ean], current_certs[:deep], current_certs[:efr]].flatten.compact.uniq.delete_if{|e| e == '0'}
  current = (Course.find(current).map(&:course_ids) + current.map(&:to_i)).flatten.uniq
  desired = [desired_certs[:rec_cert], desired_certs[:spec].try("keys"), desired_certs[:pro_cert], desired_certs[:pro_spec].try("keys"), desired_certs[:tec_cert], desired_certs[:pro_tec_cert]].flatten.compact.uniq.delete_if{|e| e == '0'}
  desired = (Course.find(desired).map(&:course_ids) + desired.map(&:to_i)).flatten.uniq - current
  Course.find(desired)
end

.discount?(course_prices) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/course.rb', line 27

def self.discount?(course_prices)
  (course_prices - TecCourse.all - ProTecCourse.all).sum(&:course_price) > 999
end

.pro?(desired_certs) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/course.rb', line 31

def self.pro?(desired_certs)
  desired_certs = Course.find(desired_certs.values.map{|e| e.is_a?(Hash) ? e.keys : e}.flatten - ['0'])
  !(desired_certs & (ProCourse.all + ProSpecCourse.all + ProTecCourse.all)).empty?
end

.rec?(desired_certs) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/course.rb', line 36

def self.rec?(desired_certs)
  desired_certs = Course.find(desired_certs.values.map{|e| e.is_a?(Hash) ? e.keys : e}.flatten - ['0'])
  !(desired_certs & (RecCourse.all + RecSpecCourse.all)).empty?
end

.tec?(desired_certs) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/course.rb', line 41

def self.tec?(desired_certs)
  desired_certs = Course.find(desired_certs.values.map{|e| e.is_a?(Hash) ? e.keys : e}.flatten - ['0'])
  !(desired_certs & (TecCourse.all)).empty?
end

Instance Method Details

#course_price(discount = false) ⇒ Object 



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# File 'app/models/course.rb', line 46

def course_price(discount = false)
  price = self.read_attribute(:course_price)
  return nil unless price
  (discount && ([self] & [ProTecCourse.all + TecCourse.all].flatten).empty?) ? price * 0.9 : price
end

#map_for_select ⇒ Object 



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# File 'app/models/course.rb', line 23

def map_for_select
  [name, id.to_s]
end

#total(discount = false) ⇒ Object 



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# File 'app/models/course.rb', line 19

def total(discount = false)
  course_price(discount) + materials_price + application_price
end