move version detection to seperate function and change line endings

lib/common/models/wp_item/versionable.rb

@@ -13,24 +13,7 @@ class WpItem
         # This check is needed because readme_url can return nil
         if has_readme?
           response = Browser.get(readme_url)
-          version = response.body[/\b(?:stable tag|version):\s*(?!trunk)([0-9a-z\.-]+)/i, 1]
+          @version = extract_version(response.body)
-          if version.nil? || version !~ /[0-9]+/
-            extracted_versions = response.body.scan(/[=]+\s+(?:v(?:ersion)?\s*)?([0-9\.-]+)[ \ta-z0-9\(\)\.-]*[=]+/i)
-            return if extracted_versions.nil? || extracted_versions.length == 0
-            extracted_versions.flatten!
-            # must contain at least one number
-            extracted_versions = extracted_versions.select { |x| x =~ /[0-9]+/ }
-            sorted = extracted_versions.sort { |x,y|
-              begin
-                Gem::Version.new(x) <=> Gem::Version.new(y)
-              rescue
-                0
-              end
-            }
-            @version = sorted.last
-          else
-            @version = version
-          end
         end
       end
       @version
@@ -42,5 +25,29 @@ class WpItem
       "#@name#{' - v' + item_version.strip if item_version}"
     end
 
+    # Extracts the version number from a given string/body
+    #
+    # @return [ String ] detected version
+    def extract_version(body)
+      version = body[/\b(?:stable tag|version):\s*(?!trunk)([0-9a-z\.-]+)/i, 1]
+      if version.nil? || version !~ /[0-9]+/
+        extracted_versions = body.scan(/[=]+\s+(?:v(?:ersion)?\s*)?([0-9\.-]+)[ \ta-z0-9\(\)\.-]*[=]+/i)
+        return if extracted_versions.nil? || extracted_versions.length == 0
+        extracted_versions.flatten!
+        # must contain at least one number
+        extracted_versions = extracted_versions.select { |x| x =~ /[0-9]+/ }
+        sorted = extracted_versions.sort { |x,y|
+          begin
+            Gem::Version.new(x) <=> Gem::Version.new(y)
+          rescue
+            0
+          end
+        }
+        return sorted.last
+      else
+        return version
+      end
+    end
+
   end
 end