AIMS_BD_IATI.DAL.ImportLogic.SetFieldMappingPreferences C# (CSharp) Method

        public static void SetFieldMappingPreferences(List<ProjectFieldMapModel> projectFieldMapModel, ProjectFieldMapModel generalPreferences)
        {
            //set general or activity preferences
            foreach (var mapModel in projectFieldMapModel)
            {

                var activityPreference = new AimsDbIatiDAL().GetFieldMappingPreferenceActivity(mapModel.iatiActivity.IatiIdentifier);

                var fields = mapModel.Fields.ToList();
                fields.AddRange(mapModel.TransactionFields);

                foreach (var field in fields)
                {
                    //get GetFieldMappingPreferenceActivity for this field
                    var activityFieldSource = activityPreference.Find(f => f.FieldName == field.Field);
                    if (activityFieldSource != null)
                    {
                        field.IsSourceIATI = activityFieldSource.IsSourceIATI;
                    }
                    else // apply general preferences
                    {
                        var generalFieldSource = generalPreferences.Fields.Find(f => f.Field == field.Field);
                        if (generalFieldSource != null)
                            field.IsSourceIATI = generalFieldSource.IsSourceIATI;

                    }
                }


            }
        }