Code Snippet

Dictionary<string, Array<File>> grade = new Dictionary<string, Array>();
        Dictionary<string, Array> grade_subject = new Dictionary<string, Array>();
        Dictionary<string, Array> grade_subject_topic = new Dictionary<string, Array>();
        Dictionary<string, Array> grade_subject_topic_subtopic = new Dictionary<string, Array>();

        public void Add(EcsFeature ecsFeature)
        {
            _systemsBody.Add(ecsFeature);


            object fileList;
            foreach (object file in fileList)
            {
                parseGrade(file);
                parseGradeSubject(file);
                parseGradeSubjectTopic(file);
                parseGradeSubjectTopicSubtopic(file);
            }
        }

        void parseGrade(object file)
        {
            object[] list;
            if (grade.ContainsKey(file.gradeId) == false)
            {
                grade.Add(file.gradeId, array = new Array());
            }

            array.add(videoFile);
        }

        void parseGradeSubject(object file)
        {
            string gradeSubject = file.gradeId + file.subjectId;
            if (grade.ContainsKey(gradeSubject) == false)
            {
                grade_subject.Add(gradeSubject, array = new Array());
            }

            array.add(videoFile);
        }

        void parseGradeSubjectTopic(object file)
        {
            string gradeSubjectTopic = file.gradeId + file.subjectId + file.topicId;
            if (grade.ContainsKey(file.gradeSubjectTopic) == false)
            {
                grade_subject.Add(gradeSubjectTopic, array = new Array());
            }

            array.add(videoFile);
        }

        void parseGradeSubjectTopicSubtopic(object file)
        {
            string gradeSubjectTopicSub = file.gradeId + file.subjectId + file.topicId + file.subTopicId;
            if (grade.ContainsKey(file.gradeSubjectTopicSub) == false)
            {
                grade_subject.Add(gradeSubjectTopicSub, array = new Array());
            }

            array.add(videoFile);
        }