From 6a4534b62fad51e5e9da0d132ed64626ffdc2d10 Mon Sep 17 00:00:00 2001
From: Gabriel Mazetto <brodock@gmail.com>
Date: Tue, 31 Oct 2017 02:00:40 +0100
Subject: Code Style changes and `hashed_storage?` now receives optional
 feature

---
 app/models/project.rb                | 28 ++++++++++++++++++++++++----
 app/models/storage/hashed_project.rb | 13 -------------
 app/models/storage/legacy_project.rb |  7 -------
 spec/models/project_spec.rb          | 18 ++++++++++++++++--
 4 files changed, 40 insertions(+), 26 deletions(-)

diff --git a/app/models/project.rb b/app/models/project.rb
index d9bd6362e70..a43d1a7f484 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -26,10 +26,15 @@ class Project < ActiveRecord::Base
 
   NUMBER_OF_PERMITTED_BOARDS = 1
   UNKNOWN_IMPORT_URL = 'http://unknown.git'.freeze
-  # Hashed Storage versions handle rolling out new storage to project and dependents models
+  # Hashed Storage versions handle rolling out new storage to project and dependents models:
+  # nil: legacy
   # 1: repository
   # 2: attachments
   LATEST_STORAGE_VERSION = 2
+  HASHED_STORAGE_FEATURES = {
+    repository: 1,
+    attachments: 2
+  }.freeze
 
   cache_markdown_field :description, pipeline: :description
 
@@ -1387,7 +1392,7 @@ class Project < ActiveRecord::Base
     if storage.rename_repo
       Gitlab::AppLogger.info "Project was renamed: #{full_path_was} -> #{new_full_path}"
       rename_repo_notify!
-      storage.after_rename_repo
+      after_rename_repo
     else
       Rails.logger.error "Repository could not be renamed: #{full_path_was} -> #{new_full_path}"
 
@@ -1397,6 +1402,19 @@ class Project < ActiveRecord::Base
     end
   end
 
+  def after_rename_repo
+    path_before_change = previous_changes['path'].first
+
+    # We need to check if project had been rolled out to move resource to hashed storage or not and decide
+    # if we need execute any take action or no-op.
+
+    unless hashed_storage?(:attachments)
+      Gitlab::UploadsTransfer.new.rename_project(path_before_change, self.path, namespace.full_path)
+    end
+
+    Gitlab::PagesTransfer.new.rename_project(path_before_change, self.path, namespace.full_path)
+  end
+
   def rename_repo_notify!
     send_move_instructions(full_path_was)
     expires_full_path_cache
@@ -1596,8 +1614,10 @@ class Project < ActiveRecord::Base
     [nil, 0].include?(self.storage_version)
   end
 
-  def hashed_storage?
-    self.storage_version && self.storage_version >= 1
+  def hashed_storage?(feature=:repository)
+    raise ArgumentError, "Invalid feature" unless HASHED_STORAGE_FEATURES.include?(feature)
+
+    self.storage_version && self.storage_version >= HASHED_STORAGE_FEATURES[feature]
   end
 
   def renamed?
diff --git a/app/models/storage/hashed_project.rb b/app/models/storage/hashed_project.rb
index 6be365166c4..f025f40994e 100644
--- a/app/models/storage/hashed_project.rb
+++ b/app/models/storage/hashed_project.rb
@@ -32,19 +32,6 @@ module Storage
       true
     end
 
-    def after_rename_repo
-      path_before_change = project.previous_changes['path'].first
-
-      # We need to check if project had been rolled out to move resource to hashed storage or not and decide
-      # if we need execute any take action or no-op.
-
-      unless project.storage_version >= 2
-        Gitlab::UploadsTransfer.new.rename_project(path_before_change, project.path, project.namespace.full_path)
-      end
-
-      Gitlab::PagesTransfer.new.rename_project(path_before_change, project.path, project.namespace.full_path)
-    end
-
     private
 
     # Generates the hash for the project path and name on disk
diff --git a/app/models/storage/legacy_project.rb b/app/models/storage/legacy_project.rb
index 6e7dce8d25a..9d9e5e1d352 100644
--- a/app/models/storage/legacy_project.rb
+++ b/app/models/storage/legacy_project.rb
@@ -47,12 +47,5 @@ module Storage
 
       false
     end
-
-    def after_rename_repo
-      path_before_change = project.previous_changes['path'].first
-
-      Gitlab::UploadsTransfer.new.rename_project(path_before_change, project.path, project.namespace.full_path)
-      Gitlab::PagesTransfer.new.rename_project(path_before_change, project.path, project.namespace.full_path)
-    end
   end
 end
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index d80af378140..fb5d0f9db9c 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -2630,8 +2630,22 @@ describe Project do
     end
 
     describe '#hashed_storage?' do
-      it 'returns true' do
-        expect(project.hashed_storage?).to be_truthy
+      context 'without specifying feature' do
+        it 'returns true' do
+          expect(project.hashed_storage?).to be_truthy
+        end
+      end
+
+      context 'specifying feature' do
+        it 'returns true if rolled out' do
+          expect(project.hashed_storage?(:attachments)).to be_truthy
+        end
+
+        it 'returns false when not rolled out yet' do
+          project.storage_version = 1
+
+          expect(project.hashed_storage?(:attachments)).to be_falsey
+        end
       end
     end
 
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