Store catalogues globally

This might cause a slight RAM bloating, but it allows for efficient comparisons without overriding `hash` and `eql?`

Author: lmrodriguezr

lib/strain_code/catalogue.rb

@@ -13,22 +13,22 @@ def catalogues_source
     end
 
     def catalogue_hash(code)
-      hsh = catalogues_source['catalogues'].find do |i|
+      catalogues_source['catalogues'].find do |i|
         i['codes'].include? code.to_s.upcase
       end
     end
 
     def catalogue(code)
       hsh = catalogue_hash(code)
-      new(hsh) if hsh
+      @catalogue ||= {}
+      @catalogue[hsh] ||= new(hsh) if hsh
     end
   end
 
   attr_accessor :codes, :country_code, :name, :name_en, :organization
   attr_accessor :url, :url_pattern
 
-  def initialize(code)
-    code = self.class.catalogue_hash(code) unless code.is_a?(Hash)
-    code.each { |k, v| self.send("#{k}=", v) unless k =~ /^_/ } if code
+  def initialize(hash)
+    hash.each { |k, v| self.send("#{k}=", v) unless k =~ /^_/ }
   end
 end

lib/strain_code/parser.rb

@@ -21,12 +21,12 @@ def parse(numbers)
     end
 
     def number(number)
-      StrainCode::StrainNumber.new(StrainCode::Parser.clean(number))
+      StrainCode::StrainNumber.strain_number(number)
     end
 
     def catalogue(code)
-      c = StrainCode::Catalogue.new(code)
-      c.codes ? c : nil
+      c = StrainCode::Catalogue.catalogue(code)
+      c if c&.codes
     end
   end
 end

lib/strain_code/strain_number.rb

@@ -1,6 +1,12 @@
 class StrainCode::StrainNumber
   attr_accessor :ori_number, :code, :accession
 
+  class << self
+    def strain_number(number)
+      new(StrainCode::Parser.clean(number))
+    end
+  end
+
   def initialize(number)
     @ori_number = number.to_s.strip
     @code, @accession = ori_number.split(/[ :_]+/, 2)

lib/strain_code/version.rb

@@ -1,5 +1,5 @@
 class StrainCode
-  VERSION       = '0.1.1'
+  VERSION       = '0.2.0'
   VERSION_ARRAY = VERSION.split(/\./).map { |x| x.to_i } # :nodoc:
   VERSION_MAJOR = VERSION_ARRAY[0] # :nodoc:
   VERSION_MINOR = VERSION_ARRAY[1] # :nodoc: