move string helper methods to core extensions

devops-service/db/mongo/connectors/helpers/delete_command.rb

@@ -1,5 +1,3 @@
-require 'lib/string_helper'
-
 module Connectors
   module Helpers
     module DeleteCommand
@@ -9,7 +7,7 @@ module Connectors
       # We need this alias to forward methods from MongoConnector to resources connectors.
 
       def self.included(base)
-        resource_name = StringHelper.underscore_class(base)
+        resource_name = base.to_s.underscore_class
         method_name = "#{resource_name}_delete".to_sym
         alias_method method_name, :delete
       end

devops-service/db/mongo/connectors/helpers/insert_command.rb

@@ -1,5 +1,3 @@
-require 'lib/string_helper'
-
 module Connectors
   module Helpers
     module InsertCommand
@@ -9,7 +7,7 @@ module Connectors
       # We need this alias to forward methods from MongoConnector to resources connectors.
 
       def self.included(base)
-        resource_name = StringHelper.underscore_class(base)
+        resource_name = base.to_s.underscore_class
         method_name = "#{resource_name}_insert".to_sym
         alias_method method_name, :insert
       end
@@ -24,7 +22,7 @@ module Connectors
         rescue Mongo::OperationFailure => e
           # exception's message doesn't always start from error code
           if e.message =~ /11000/
-            resource_name = StringHelper.underscore_class(record.class)
+            resource_name = record.class.to_s.underscore_class
             raise InvalidRecord.new("Duplicate key error: #{resource_name} with id '#{record.id}'")
           end
         end

devops-service/db/mongo/connectors/helpers/list_command.rb

@@ -1,5 +1,3 @@
-require 'lib/string_helper'
-
 module Connectors
   module Helpers
     module ListCommand
@@ -9,9 +7,7 @@ module Connectors
       # We need this alias to forward methods from MongoConnector to resources connectors.
 
       def self.included(base)
-        resource_name = StringHelper.underscore_class(base).to_sym
-        method_name = StringHelper.pluralize(resource_name)
-        alias_method method_name, :list
+        alias_method base.to_s.underscore_class.pluralize, :list
       end
 
       # query options is needed, for example, for fields limiting

devops-service/db/mongo/connectors/helpers/show_command.rb

@@ -1,5 +1,3 @@
-require 'lib/string_helper'
-
 module Connectors
   module Helpers
     module ShowCommand
@@ -9,7 +7,7 @@ module Connectors
       # We need this alias to forward methods from MongoConnector to resources connectors.
 
       def self.included(base)
-        method_name = StringHelper.underscore_class(base).to_sym
+        method_name = base.to_s.underscore_class.to_sym
         alias_method method_name, :show
       end
 

devops-service/db/mongo/connectors/helpers/update_command.rb

@@ -1,5 +1,3 @@
-require 'lib/string_helper'
-
 module Connectors
   module Helpers
     module UpdateCommand
@@ -8,8 +6,7 @@ module Connectors
       # We need second method name to forward methods from MongoConnector to resources connectors.
 
       def self.included(base)
-        resource_name = StringHelper.underscore_class(base)
-        method_name = "#{resource_name}_update".to_sym
+        method_name = "#{base.to_s.underscore_class}_update".to_sym
         alias_method method_name, :update
       end
 

devops-service/lib/stack_presets/base.rb

@@ -1,4 +1,3 @@
-require 'lib/string_helper'
 require 'db/mongo/models/stack_template/stack_template_factory'
 
 module Devops
@@ -6,7 +5,7 @@ module Devops
     class Base
 
       def id
-        StringHelper.underscore_class(self.class)
+        self.class.to_s.underscore_class
       end
 
       def to_hash

devops-service/lib/string_ext.rb

@@ -6,4 +6,22 @@ class String
   def blank?
     empty?
   end
+
+  # from ActiveSupport
+  def underscore
+    gsub(/::/, '/').
+    gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
+    gsub(/([a-z\d])([A-Z])/,'\1_\2').
+    tr("-", "_").
+    downcase
+  end
+
+  def underscore_class
+    split('::').last.underscore
+  end
+
+  # rough simplification
+  def pluralize
+    "#{self}s"
+  end
 end

devops-service/lib/string_helper.rb

@@ -1,35 +0,0 @@
-module StringHelper
-  extend self
-
-  # from Rails' ActiveSupport
-  def underscore(string)
-    string.gsub(/::/, '/').
-    gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
-    gsub(/([a-z\d])([A-Z])/,'\1_\2').
-    tr("-", "_").
-    downcase
-  end
-
-  def underscore_class(klass, without_ancestors=true)
-    class_name = if without_ancestors
-      klass.to_s.split('::').last
-    else
-      klass.to_s
-    end
-    StringHelper.underscore(class_name)
-  end
-
-  # from Rails' ActiveSupport
-  def camelize(term)
-    string = term.to_s
-    string = string.sub(/^[a-z\d]*/) { $&.capitalize }
-    string.gsub!(/(?:_|(\/))([a-z\d]*)/i) { "#{$1}#{$2.capitalize}" }
-    string.gsub!(/\//, '::')
-    string
-  end
-
-  # rough simplification
-  def pluralize(string)
-    "#{string}s"
-  end
-end