lib: remove FileSizeValidator

It was only used by the PieceJustificative model.

app/lib/file_size_validator.rb

@@ -1,94 +0,0 @@
-# Source: https://github.com/gitlabhq/gitlabhq/blob/master/lib/file_size_validator.rb
-class FileSizeValidator < ActiveModel::EachValidator
-  MESSAGES  = { is: :wrong_size, minimum: :size_too_small, maximum: :size_too_big }.freeze
-  CHECKS    = { is: :==, minimum: :>=, maximum: :<= }.freeze
-
-  DEFAULT_TOKENIZER = lambda { |value| value.split(//) }
-  RESERVED_OPTIONS  = [:minimum, :maximum, :within, :is, :tokenizer, :too_short, :too_long]
-
-  def initialize(options)
-    range = options.delete(:in) || options.delete(:within)
-
-    if range.present?
-      if !range.is_a?(Range)
-        raise ArgumentError, ":in and :within must be a Range"
-      end
-
-      options[:minimum], options[:maximum] = range.begin, range.end
-
-      if range.exclude_end?
-        options[:maximum] -= 1
-      end
-    end
-
-    super
-  end
-
-  def check_validity!
-    keys = CHECKS.keys & options.keys
-
-    if keys.empty?
-      raise ArgumentError, 'Range unspecified. Specify the :within, :maximum, :minimum, or :is option.'
-    end
-
-    keys.each do |key|
-      value = options[key]
-
-      if !(value.is_a?(Integer) && value >= 0) && !value.is_a?(Symbol)
-        raise ArgumentError, ":#{key} must be a nonnegative Integer or symbol"
-      end
-    end
-  end
-
-  def validate_each(record, attribute, value)
-    if !value.is_a?(CarrierWave::Uploader::Base)
-      raise(ArgumentError, "A CarrierWave::Uploader::Base object was expected")
-    end
-
-    if value.is_a?(String)
-      value = (options[:tokenizer] || DEFAULT_TOKENIZER).call(value)
-    end
-
-    CHECKS.each do |key, validity_check|
-      if !check_value = options[key]
-        next
-      end
-
-      check_value =
-        case check_value
-        when Integer
-          check_value
-        when Symbol
-          record.send(check_value)
-        end
-
-      if key == :maximum
-        value ||= []
-      end
-
-      value_size = value.size
-      if value_size.send(validity_check, check_value)
-        next
-      end
-
-      errors_options = options.except(*RESERVED_OPTIONS)
-      errors_options[:file_size] = help.number_to_human_size check_value
-
-      default_message = options[MESSAGES[key]]
-      if default_message
-        errors_options[:message] ||= default_message
-      end
-
-      record.errors.add(attribute, MESSAGES[key], errors_options)
-    end
-  end
-
-  def help
-    Helper.instance
-  end
-
-  class Helper
-    include Singleton
-    include ActionView::Helpers::NumberHelper
-  end
-end

spec/lib/file_size_validator_spec.rb

@@ -1,48 +0,0 @@
-require 'spec_helper'
-
-describe FileSizeValidator, lib: true do
-  let(:validator) { FileSizeValidator.new(options) }
-  let(:attachment) { PieceJustificativeUploader.new }
-  let(:note) { create(:piece_justificative, :contrat) }
-
-  describe 'options uses an integer' do
-    let(:options) { { maximum: 10, attributes: { content: attachment } } }
-
-    it 'attachment exceeds maximum limit' do
-      allow(attachment).to receive(:size) { 100 }
-      validator.validate_each(note, :content, attachment)
-      expect(note.errors).to have_key(:content)
-    end
-
-    it 'attachment under maximum limit' do
-      allow(attachment).to receive(:size) { 1 }
-      validator.validate_each(note, :content, attachment)
-      expect(note.errors).not_to have_key(:content)
-    end
-  end
-
-  describe 'options uses a symbol' do
-    let(:options) do
-      {
-        maximum: :test,
-        attributes: { content: attachment }
-      }
-    end
-
-    before do
-      allow(note).to receive(:test) { 10 }
-    end
-
-    it 'attachment exceeds maximum limit' do
-      allow(attachment).to receive(:size) { 100 }
-      validator.validate_each(note, :content, attachment)
-      expect(note.errors).to have_key(:content)
-    end
-
-    it 'attachment under maximum limit' do
-      allow(attachment).to receive(:size) { 1 }
-      validator.validate_each(note, :content, attachment)
-      expect(note.errors).not_to have_key(:content)
-    end
-  end
-end