Replaces the zipzip gem with the rubyzip gem

Gemfile

@@ -173,9 +173,9 @@ gem "rails-timeago",           "2.11.0"
 
 gem "logging-rails", "0.5.0", require: "logging/rails"
 
-# Workarounds
+# # Workarounds
-# https://github.com/rubyzip/rubyzip#important-note
+# # https://github.com/rubyzip/rubyzip#important-note
-gem "zip-zip"
+gem "rubyzip"
 
 # Prevent occasions where minitest is not bundled in
 # packaged versions of ruby. See following issues/prs:

Gemfile.lock

@@ -718,8 +718,6 @@ GEM
     will_paginate (3.0.7)
     xpath (2.0.0)
       nokogiri (~> 1.3)
-    zip-zip (0.3)
-      rubyzip (>= 1.0.0)
 
 PLATFORMS
   ruby
@@ -830,6 +828,7 @@ DEPENDENCIES
   rspec-rails (= 3.2.1)
   rubocop (= 0.31.0)
   ruby-oembed (= 0.8.14)
+  rubyzip
   sass-rails (= 5.0.1)
   selenium-webdriver (= 2.45.0)
   shoulda-matchers (= 2.8.0)
@@ -851,4 +850,3 @@ DEPENDENCIES
   uuid (= 2.3.7)
   webmock (= 1.21.0)
   will_paginate (= 3.0.7)
-  zip-zip

app/models/user.rb

@@ -325,7 +325,7 @@ class User < ActiveRecord::Base
   def perform_export_photos!
     temp_zip = Tempfile.new([username, '_photos.zip'])
     begin
-      Zip::ZipOutputStream.open(temp_zip.path) do |zos|
+      Zip::OutputStream.open(temp_zip.path) do |zos|
         photos.each do |photo|
           begin
             photo_file = photo.unprocessed_image.file

config/initializers/rubyzip.rb

@@ -0,0 +1,7 @@
+# https://github.com/rubyzip/rubyzip#configuration
+# Zip.setup do |c|
+#   c.on_exists_proc = true
+#   c.continue_on_exists_proc = true
+#   c.unicode_names = true
+#   c.default_compression = Zlib::BEST_COMPRESSION
+# end

spec/models/user_spec.rb

@@ -1065,14 +1065,14 @@ describe User, :type => :model do
       expect(@user.exported_photos_at).to be_present
       expect(@user.exporting_photos).to be_falsey
       expect(@user.exported_photos_file.filename).to match /.zip/
-      expect(Zip::ZipFile.open(@user.exported_photos_file.path).entries.count).to eq(1)
+      expect(Zip::File.open(@user.exported_photos_file.path).entries.count).to eq(1)
     end
 
     it "does not add empty entries when photo not found" do
       File.unlink @user.photos.first.unprocessed_image.path
       @user.perform_export_photos!
       expect(@user.exported_photos_file.filename).to match /.zip/
-      expect(Zip::ZipFile.open(@user.exported_photos_file.path).entries.count).to eq(0)
+      expect(Zip::File.open(@user.exported_photos_file.path).entries.count).to eq(0)
     end
   end