Class: Katello::Util::PathWithSubstitutions

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
app/lib/katello/util/path_with_substitutions.rb

Constant Summary collapse

SUBSTITUTABLE_REGEX = 
/^(.*?)\$([^\/]*)/.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path, substitutions) ⇒ PathWithSubstitutions

path /content/rhel/server/$arch/$releasever/os substitutions => ‘x86_64’



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# File 'app/lib/katello/util/path_with_substitutions.rb', line 12

def initialize(path, substitutions)
  @substitutions = substitutions
  @path = path

  if @path =~ SUBSTITUTABLE_REGEX
    @base_path, @token = Regexp.last_match[1], Regexp.last_match[2]
  end
end

Instance Attribute Details

#base_path ⇒ Object (readonly)

Returns the value of attribute base_path.



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# File 'app/lib/katello/util/path_with_substitutions.rb', line 6

def base_path
  @base_path
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'app/lib/katello/util/path_with_substitutions.rb', line 6

def path
  @path
end

#substitutions ⇒ Object (readonly)

Returns the value of attribute substitutions.



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# File 'app/lib/katello/util/path_with_substitutions.rb', line 6

def substitutions
  @substitutions
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'app/lib/katello/util/path_with_substitutions.rb', line 53

def <=>(other)
  key1 = path + substitutions.to_s
  key2 = other.path + other.substitutions.to_s
  key1 <=> key2
end

#apply_substitutions ⇒ Object 



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# File 'app/lib/katello/util/path_with_substitutions.rb', line 47

def apply_substitutions
  substitutions.reduce(path) do |url, (key, value)|
    url.gsub("$#{key}", value)
  end
end

#resolve_token(value) ⇒ Object 



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# File 'app/lib/katello/util/path_with_substitutions.rb', line 35

def resolve_token(value)
  new_substitutions = substitutions.merge(@token => value)
  new_path = path.sub("$#{@token}", value)
  PathWithSubstitutions.new(new_path, new_substitutions)
end

#split_path ⇒ Object 



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# File 'app/lib/katello/util/path_with_substitutions.rb', line 21

def split_path
  @split ||= path.split('/')
end

#substitutable? ⇒ Boolean 



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# File 'app/lib/katello/util/path_with_substitutions.rb', line 31

def substitutable?
  @token.present?
end

#substitutions_needed ⇒ Object 



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# File 'app/lib/katello/util/path_with_substitutions.rb', line 25

def substitutions_needed
  # e.g. if content_url = "/content/dist/rhel/server/7/$releasever/$basearch/kickstart"
  #      return ['releasever', 'basearch']
  split_path.map { |word| word.start_with?('$') ? word[1..-1] : nil }.compact
end

#unused_substitutions ⇒ Object 



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# File 'app/lib/katello/util/path_with_substitutions.rb', line 41

def unused_substitutions
  substitutions.keys.reject do |key|
    path.include?("$#{key}") || split_path.include?(substitutions[key])
  end
end