Refactor storage path extraction from full repo path

app/models/repository.rb

@@ -11,6 +11,20 @@ class Repository
 
   attr_accessor :path_with_namespace, :project
 
+  def self.storages
+    Gitlab.config.repositories.storages
+  end
+
+  def self.remove_storage_from_path(repo_path)
+    storages.find do |_, storage_path|
+      if repo_path.start_with?(storage_path)
+        return repo_path.sub(storage_path, '')
+      end
+    end
+
+    repo_path
+  end
+
   def initialize(path_with_namespace, project)
     @path_with_namespace = path_with_namespace
     @project = project

lib/api/internal.rb

@@ -20,12 +20,7 @@ module API
         def project_path
           @project_path ||= begin
             project_path = params[:project].sub(/\.git\z/, '')
-
-            Gitlab.config.repositories.storages.each do |_, storage_path|
-              project_path.sub!(storage_path, '')
-            end
-
-            project_path
+            Repository.remove_storage_from_path(project_path)
           end
         end
 

spec/models/repository_spec.rb

@@ -1472,4 +1472,14 @@ describe Repository, models: true do
       end.to raise_error(Repository::CommitError)
     end
   end
+
+  describe '#remove_storage_from_path' do
+    let(:storage_path) { project.repository_storage_path }
+    let(:project_path) { project.path_with_namespace }
+    let(:full_path) { File.join(storage_path, project_path) }
+
+    it { expect(Repository.remove_storage_from_path(full_path)).to eq(project_path) }
+    it { expect(Repository.remove_storage_from_path(project_path)).to eq(project_path) }
+    it { expect(Repository.remove_storage_from_path(storage_path)).to eq('') }
+  end
 end