Remove readme project_view option

Former-commit-id: 34964762

app/assets/javascripts/dispatcher.js

@@ -261,6 +261,8 @@ const ShortcutsBlob = require('./shortcuts_blob');
           new NotificationsForm();
           if ($('#tree-slider').length) {
             new TreeView();
+          }
+          if ($('.blob-viewer').length) {
             new BlobViewer();
           }
           break;

app/assets/stylesheets/pages/projects.scss

@@ -639,28 +639,6 @@ pre.light-well {
   }
 }
-.project-show-readme {
-  .row-content-block {
-    background-color: inherit;
-    border: none;
-  }
-
-  .readme-holder {
-    padding: $gl-padding 0;
-    border-top: 0;
-
-    .edit-project-readme {
-      z-index: 2;
-      position: relative;
-    }
-
-    .wiki h1 {
-      border-bottom: none;
-      padding: 0;
-    }
-  }
-}
-
 .git-clone-holder {
   width: 380px;

app/models/user.rb

@@ -166,8 +166,13 @@ class User < ActiveRecord::Base
   enum dashboard: [:projects, :stars, :project_activity, :starred_project_activity, :groups, :todos]
   # User's Project preference
-  # Note: When adding an option, it MUST go on the end of the array.
-  enum project_view: [:readme, :activity, :files]
+  #
+  # Note: When adding an option, it MUST go on the end of the hash with a
+  # number higher than the current max. We cannot move options and/or change
+  # their numbers.
+  #
+  # We skip 0 because this was used by an option that has since been removed.
+  enum project_view: { activity: 1, files: 2 }
   alias_attribute :private_token, :authentication_token

app/views/projects/_readme.html.haml

-- if readme = @repository.readme
-  %article.readme-holder
-    .pull-right
-      - if can?(current_user, :push_code, @project)
-        = link_to icon('pencil'), namespace_project_edit_blob_path(@project.namespace, @project, tree_join(@repository.root_ref, readme.path)), class: 'light edit-project-readme'
-
-    = render 'projects/blob/viewer', viewer: readme.rich_viewer, viewer_url: namespace_project_blob_path(@project.namespace, @project, tree_join(@repository.root_ref, readme.path), viewer: :rich, format: :json)
-- else
-  .row-content-block.second-block.center
-    %h3.page-title
-      This project does not have a README yet
-    - if can?(current_user, :push_code, @project)
-      %p
-        A
-        %code README
-        file contains information about other files in a repository and is commonly
-        distributed with computer software, forming part of its documentation.
-      %p
-        We recommend you to
-        = link_to "add a README", add_special_file_path(@project, file_name: 'README.md'), class: 'underlined-link'
-        file to the repository and GitLab will render it here instead of this message.

spec/migrations/migrate_user_project_view_spec.rb

@@ -5,7 +5,12 @@ require Rails.root.join('db', 'post_migrate', '20170406142253_migrate_user_proje
 describe MigrateUserProjectView do
   let(:migration) { described_class.new }
-  let!(:user) { create(:user, project_view: 'readme') }
+  let!(:user) { create(:user) }
+
+  before do
+    # 0 is the numeric value for the old 'readme' option
+    user.update_column(:project_view, 0)
+  end
   describe '#up' do
     it 'updates project view setting with new value' do