create remote evaluation

app/controllers/concerns/remote_evaluation_parameters.rb

@@ -0,0 +1,8 @@
+module RemoteEvaluationParameters
+  include FileParameters
+
+  def remote_evaluation_params
+    remote_evaluation_params = params[:remote_evaluation].permit(:validation_token, files_attributes: file_attributes)
+  end
+  private :remote_evaluation_params
+end

app/controllers/remote_evaluation_controller.rb

@@ -0,0 +1,35 @@
+class RemoteEvaluationController < ApplicationController
+  include RemoteEvaluationParameters
+  include SubmissionScoring
+
+  skip_after_action :verify_authorized
+  skip_before_action :verify_authenticity_token
+
+  # POST /evaluate
+  # @param validation_token
+  # @param files_attributes
+  def evaluate
+
+    validation_token = remote_evaluation_params[:validation_token]
+    files_attributes = remote_evaluation_params[:files_attributes] || []
+
+    # todo extra: validiere, ob files wirklich zur Übung gehören (wenn allowNewFiles-flag nicht gesetzt ist)
+    if (remote_evaluation_mapping = RemoteEvaluationMapping.find_by(:validation_token => validation_token))
+      puts remote_evaluation_mapping.exercise_id
+      puts remote_evaluation_mapping.user_id
+
+      _params = remote_evaluation_params.except(:validation_token)
+      _params[:exercise_id] = remote_evaluation_mapping.exercise_id
+      _params[:user_id] = remote_evaluation_mapping.user_id
+      _params[:cause] = "remoteAssess"
+      _params[:user_type] = "ExternalUser"
+
+      @submission = Submission.create(_params)
+      render json: score_submission(@submission)
+    else
+      # todo: better output
+      # todo: check token expired?
+      render json: "No exercise found for this validation_token! Please keep out!"
+    end
+  end
+end

app/controllers/submissions_controller.rb

@@ -57,12 +57,29 @@ class SubmissionsController < ApplicationController
     # files = @submission.files.map{ }
     # zipline( files, 'submission.zip')
     # send_data(@file.content, filename: @file.name_with_extension)
+
+    id_file = create_remote_evaluation_mapping
+
     require 'zip'
     stringio = Zip::OutputStream.write_buffer do |zio|
       @files.each do |file|
-        zio.put_next_entry(file.name_with_extension)
+        zio.put_next_entry(file.path.to_s == '' ? file.name_with_extension : File.join(file.path, file.name_with_extension))
         zio.write(file.content)
       end
+
+      # zip .co file
+      zio.put_next_entry(File.basename id_file)
+      zio.write(File.read id_file)
+      File.delete(id_file) if File.exist?(id_file)
+
+      # zip client scripts
+      scripts_path = 'app/assets/remote_scripts'
+      Dir.foreach(scripts_path) do |file|
+        next if file == '.' or file == '..'
+        zio.put_next_entry(File.join('.scripts', File.basename(file)))
+        zio.write(File.read File.join(scripts_path, file))
+      end
+
     end
     send_data(stringio.string, filename: @submission.exercise.title.tr(" ", "_") + ".zip")
   end
@@ -316,4 +333,23 @@ class SubmissionsController < ApplicationController
     server_sent_event.close
   end
   private :with_server_sent_events
-end
+
+  def create_remote_evaluation_mapping
+    user_id = @submission.user_id
+    exercise_id = @submission.exercise_id
+
+    remote_evaluation_mapping = RemoteEvaluationMapping.create(:user_id => user_id, :exercise_id => exercise_id)
+
+    # create id.co file
+    path = "tmp/.co"
+    content = "#{remote_evaluation_mapping.validation_token}\n"
+    @submission.files.each do |file|
+      file_path = file.path.to_s == '' ? file.name_with_extension : File.join(file.path, file.name_with_extension)
+      content += "#{file_path}=#{file.id.to_s}\n"
+    end
+    File.open(path, "w+") do |f|
+      f.write(content)
+    end
+    path
+  end
+end