Class: Hellgrid::Matrix

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Matrix

Returns a new instance of Matrix.



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# File 'lib/hellgrid/matrix.rb', line 7

def initialize
  @projects = []
end

Instance Attribute Details

#projects ⇒ Object (readonly)

Returns the value of attribute projects.



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# File 'lib/hellgrid/matrix.rb', line 5

def projects
  @projects
end

Instance Method Details

#add_project(project) ⇒ Object 



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# File 'lib/hellgrid/matrix.rb', line 11

def add_project(project)
  @projects << project
end

#gem_names ⇒ Object 



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# File 'lib/hellgrid/matrix.rb', line 23

def gem_names
  @projects.map { |p| p.dependency_matrix.keys }.flatten.uniq
end

#gems_by_usage ⇒ Object 



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# File 'lib/hellgrid/matrix.rb', line 37

def gems_by_usage
  gem_usage = Hash.new(0)

  projects.each do |project|
    project.dependency_matrix.each_key do |gem|
      gem_usage[gem] += 1
    end
  end

  gem_usage.sort_by { |key, value| [-value, key] }.to_h
end

#project_names ⇒ Object 



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# File 'lib/hellgrid/matrix.rb', line 19

def project_names
  projects_sorted_by_name.map(&:name)
end

#projects_sorted_by_name ⇒ Object 



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# File 'lib/hellgrid/matrix.rb', line 15

def projects_sorted_by_name
  @projects.sort { |a, b| a.name <=> b.name }
end

#sorted_by_most_used ⇒ Object 



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# File 'lib/hellgrid/matrix.rb', line 27

def sorted_by_most_used
  header = [nil] + project_names

  body = gems_by_usage.keys.map do |gem|
    [gem] + projects_sorted_by_name.map { |project| project.dependency_matrix[gem] }
  end

  [header] + body
end