Ignore file_type in Packages::PackageFile

First step in removing the unused file_type
column in packages_package_files

Ignore the column, remove all remaining references

ee/app/models/packages/package_file.rb

@@ -2,6 +2,9 @@
 class Packages::PackageFile < ApplicationRecord
   include UpdateProjectStatistics
   include ::Gitlab::Geo::ReplicableModel
+  include IgnorableColumns
+
+  ignore_column :file_type, remove_with: '12.10', remove_after: '2019-03-22'
 
   delegate :project, :project_id, to: :package
   delegate :conan_file_type, to: :conan_file_metadatum

ee/app/services/packages/conan/create_package_file_service.rb

@@ -16,7 +16,6 @@ module Packages
           file:      file,
           size:      params['file.size'],
           file_name: params[:file_name],
-          file_type: params['file.type'],
           file_sha1: params['file.sha1'],
           file_md5:  params['file.md5'],
           conan_file_metadatum_attributes: {

ee/app/services/packages/create_package_file_service.rb

@@ -13,7 +13,6 @@ module Packages
         file:      params[:file],
         size:      params[:size],
         file_name: params[:file_name],
-        file_type: params[:file_type],
         file_sha1: params[:file_sha1],
         file_md5:  params[:file_md5]
       )

ee/lib/api/nuget_packages.rb

@@ -15,7 +15,6 @@ module API
     POSITIVE_INTEGER_REGEX = %r{\A[1-9]\d*\z}.freeze
 
     PACKAGE_FILENAME = 'package.nupkg'
-    PACKAGE_FILETYPE = 'application/octet-stream'
 
     default_format :json
 
@@ -95,8 +94,7 @@ module API
 
           file_params = params.merge(
             file: uploaded_package_file(:package),
-            file_name: PACKAGE_FILENAME,
-            file_type: PACKAGE_FILETYPE
+            file_name: PACKAGE_FILENAME
           )
 
           package = ::Packages::Nuget::CreatePackageService.new(authorized_user_project, current_user)

ee/spec/factories/packages.rb

@@ -170,7 +170,6 @@ FactoryBot.define do
       file { fixture_file_upload('ee/spec/fixtures/nuget/package.nupkg') }
       file_name { 'package.nupkg' }
       file_sha1 { '5fe852b2a6abd96c22c11fa1ff2fb19d9ce58b57' }
-      file_type { 0 }
       size { 300.kilobytes }
     end
 

ee/spec/support/shared_examples/requests/api/nuget_packages_shared_examples.rb

@@ -166,7 +166,6 @@ RSpec.shared_examples 'process nuget upload' do |user_type, status, add_member =
 
       package_file = project.packages.last.package_files.reload.last
       expect(package_file.file_name).to eq('package.nupkg')
-      expect(package_file.file_type).to eq(0)
     end
   end