1 files changed, 18 insertions, 0 deletions
diff --git a/app/models/environment.rb b/app/models/environment.rb
index 577367f1eed..909249dacca 100644
--- a/app/models/environment.rb
+++ b/app/models/environment.rb
@@ -51,6 +51,14 @@ class Environment < ActiveRecord::Base
     state :stopped
   end
 
+  def self.latest_for_commit(environments, commit)
+    environments.sort_by do |environment|
+      deployment = environment.first_deployment_for(commit)
+
+      deployment.try(:created_at) || DateTime.parse('1970-01-01')
+    end.last
+  end
+
   def predefined_variables
     [
       { key: 'CI_ENVIRONMENT_NAME', value: name, public: true },
@@ -171,6 +179,16 @@ class Environment < ActiveRecord::Base
     self.slug = slugified
   end
 
+  def external_url_for(path, commit_sha)
+    return unless self.external_url
+
+    public_path = project.public_path_for_source_path(path, commit_sha)
+    return unless public_path
+
+    # TODO: Verify this can't be used for XSS
+    URI.join(external_url, public_path).to_s
+  end
+
   private
 
   # Slugifying a name may remove the uniqueness guarantee afforded by it being