Class: EntertainmentOperations

Inherits:
Object
  • Object
show all
Defined in:
lib/entertainment_operations.rb

Class Method Summary collapse

Class Method Details

.cutLowestRatedHalf(objectArray) ⇒ Object 



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# File 'lib/entertainment_operations.rb', line 25

def self.cutLowestRatedHalf(objectArray)
  objectArray = sortByRating(objectArray).reverse
  objectArray.drop(objectArray.length/2)
end

.getHighestRated(objectArray) ⇒ Object 



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# File 'lib/entertainment_operations.rb', line 15

def self.getHighestRated(objectArray)
  objectArray = sortByRating(objectArray)
  puts objectArray.last
end

.getLowestRated(objectArray) ⇒ Object 



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# File 'lib/entertainment_operations.rb', line 20

def self.getLowestRated(objectArray)
  objectArray = sortByRating(objectArray)
  puts objectArray.first
end

.printSortedListByCategory(objectArray, categoryNumber) ⇒ Object 



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# File 'lib/entertainment_operations.rb', line 81

def self.printSortedListByCategory(objectArray, categoryNumber)
  objectArray = sortByCategory(objectArray, categoryNumber)
  objectArray.each {|obj| puts obj}
end

.printSortedListByGenre(objectArray) ⇒ Object 



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# File 'lib/entertainment_operations.rb', line 64

def self.printSortedListByGenre(objectArray)
  objectArray = sortByGenre(objectArray)
  objectArray.each {|obj| puts obj}
end

.printSortedListByRating(objectArray) ⇒ Object 



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# File 'lib/entertainment_operations.rb', line 30

def self.printSortedListByRating(objectArray)
  objectArray = sortByRating(objectArray)
  objectArray.each {|obj| puts obj}
end

.printSortedListByTitle(objectArray) ⇒ Object 



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# File 'lib/entertainment_operations.rb', line 47

def self.printSortedListByTitle(objectArray)
  objectArray = sortByTitle(objectArray)
  objectArray.each {|obj| puts obj}
end

.sortByCategory(objectArray, categoryNumber) ⇒ Object

Category operations - objects must have category array



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# File 'lib/entertainment_operations.rb', line 71

def self.sortByCategory(objectArray, categoryNumber)
  # sorts by category alphabetically
  unless defined?(objectArray[categoryNumber].category.first)
    puts "Object must have category array."
    return
  end

  objectArray.sort_by {|m| m.category.first.downcase}
end

.sortByGenre(objectArray) ⇒ Object

Genre operations - objects must have genre



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# File 'lib/entertainment_operations.rb', line 54

def self.sortByGenre(objectArray)
  # sorts by genre alphabetically
  unless defined?(objectArray[0].genre)
    puts "Object does not have genre."
    return
  end

  objectArray.sort_by {|m| m.genre.downcase}
end

.sortByRating(objectArray) ⇒ Object

Rating operations - objects must have Rating



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# File 'lib/entertainment_operations.rb', line 5

def self.sortByRating(objectArray)
  # sorts in ascending order of rating:
  unless defined?(objectArray[0].rating)
    puts "Object does not have rating."
    return
  end

  objectArray.sort_by {|m| m.rating}
end

.sortByTitle(objectArray) ⇒ Object

Title operations - objects must have title



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# File 'lib/entertainment_operations.rb', line 37

def self.sortByTitle(objectArray)
  # sorts by name alphabetically
  unless defined?(objectArray[0].title)
    puts "Object does not have title."
    return
  end

  objectArray.sort_by {|m| m.title.downcase}
end