private string SaveDeployState(DeployState state)
 {
     if (state.Build == null)
     {
         throw new ArgumentNullException("Missing build");
     }
     if (state.Branch == null)
     {
         throw new ArgumentNullException("Missing branch");
     }
     if (state.Component == null)
     {
         throw new ArgumentNullException("Missing component");
     }
     if (state.Environment == null)
     {
         throw new ArgumentNullException("Missing environment");
     }
     if (state.MachineList == null)
     {
         throw new ArgumentNullException("Missing machineList");
     }
     if (state.DeployBatchRequestItemId == null)
     {
         throw new ArgumentNullException("Missing deployBatchRequestItemId");
     }
     var sqlDeployState = new SqlDeployState
     {
         ID = state.Id,
         ProjectID = state.ProjectId,
         BranchID = state.Branch.Id,
         BranchJson = state.Branch.ToJson(),
         BuildID = state.Build.Id,
         BuildJson = state.Build.ToJson(),
         ComponentID = state.Component.Id,
         ComponentJson = state.Component.ToJson(),
         EnvironmentID = state.Environment.Id,
         EnvironmentName = state.Environment.EnvironmentName,
         EnvironmentJson = state.Environment.ToJson(),
         DeployBatchRequestItemID = state.DeployBatchRequestItemId,
         DeploymentCompleteDateTimeUtc = state.DeploymentCompleteDateTimeUtc,
         DeploymentStartedDateTimeUtc = state.DeploymentStartedDateTimeUtc,
         ErrorDetails = state.ErrorDetails,
         SortableVersion = state.Build.SortableVersion,
         EnumDeployStatusID = (int)state.Status,
         CreatedByUserName = state.CreatedByUserName,
         CreatedDateTimeUtc = state.CreatedDateTimeUtc,
         UpdatedByUserName = state.UpdatedByUserName,
         UpdatedDateTimeUtc = state.UpdatedDateTimeUtc,
         SubmittedDateTimeUtc = state.SubmittedDateTimeUtc
     };
     if(state.MessageList != null)
     {
         foreach(var message in state.MessageList)
         {
             if(string.IsNullOrEmpty(message.Id))
             {
                 message.Id = Guid.NewGuid().ToString();
             }
         }
         sqlDeployState.MessageListJson = state.MessageList.ToJson();
     }
     var sqlMachineList = new List<SqlDeployStateMachine>();
     foreach (var machine in state.MachineList)
     {
         var sqlMachine = new SqlDeployStateMachine
         {
             ID = machine.Id,
             DeployStateID = sqlDeployState.ID,
             MachineID = machine.Id,
             MachineName = machine.MachineName,
             MachineJson = machine.ToJson(),
             CreatedByUserName = _userIdentity.UserName,
             CreatedDateTimeUtc = DateTime.UtcNow,
             UpdatedByUserName = _userIdentity.UserName,
             UpdatedDateTimeUtc = DateTime.UtcNow
         };
         sqlMachineList.Add(sqlMachine);
     }
     using (var db = _sqlConnectionInfo.GetDB())
     {
         if (string.IsNullOrEmpty(sqlDeployState.ID) || !DeployStateExists(sqlDeployState.ID))
         {
             if (string.IsNullOrEmpty(sqlDeployState.ID))
             {
                 sqlDeployState.ID = Guid.NewGuid().ToString();
             }
             db.Insert("DeployState", "ID", false, sqlDeployState);
             foreach (var machine in sqlMachineList)
             {
                 machine.ID = Guid.NewGuid().ToString();
                 machine.DeployStateID = sqlDeployState.ID;
                 db.Insert("DeployStateMachine", "ID", false, machine);
             }
         }
         else 
         {
             db.Update("DeployState", "ID", sqlDeployState);
         }
     }
     return sqlDeployState.ID;
 }
        public DeployState CreateDeployState(DeployBuild build, DeployProjectBranch branch, DeployEnvironment environment, DeployComponent component, IEnumerable<DeployMachine> machineList, string deployBatchRequestItemId)
        {
            if (build == null)
            {
                throw new ArgumentNullException("Missing build");
            }
            if (branch == null)
            {
                throw new ArgumentNullException("Missing branch");
            }
            if (component == null)
            {
                throw new ArgumentNullException("Missing component");
            }
            if (environment == null)
            {
                throw new ArgumentNullException("Missing environment");
            }
            if (machineList == null)
            {
                throw new ArgumentNullException("Missing machineList");
            }
            if (deployBatchRequestItemId == null)
            {
                throw new ArgumentNullException("Missing deployBatchRequestItemId");
            }
            var sqlDeployState = new SqlDeployState
            {
                ID = Guid.NewGuid().ToString(),
                ProjectID = build.ProjectId,
                BranchID = branch.Id,
                BranchJson = branch.ToJson(),
                BuildID = build.Id,
                BuildJson = build.ToJson(),
                ComponentID = component.Id,
                ComponentJson = component.ToJson(),
                EnvironmentID = environment.Id,
                EnvironmentName = environment.EnvironmentName,
                EnvironmentJson = environment.ToJson(),
                DeployBatchRequestItemID = deployBatchRequestItemId,
                DeploymentCompleteDateTimeUtc = null,
                DeploymentStartedDateTimeUtc = null,
                ErrorDetails = null,
                SortableVersion = build.SortableVersion,
                EnumDeployStatusID = (int)EnumDeployStatus.NotStarted,
                CreatedByUserName = _userIdentity.UserName,
                CreatedDateTimeUtc = DateTime.UtcNow,
                UpdatedByUserName = _userIdentity.UserName,
                UpdatedDateTimeUtc = DateTime.UtcNow,
                SubmittedDateTimeUtc = DateTime.UtcNow
            };
            var branchJson = branch.ToJson();
            var buildJson = build.ToJson();
            var componentJson = component.ToJson();
            var environmentJson = environment.ToJson();
            using(var db = _sqlConnectionInfo.GetDB())
            {
                var deployStateSql = PetaPoco.Sql.Builder
                            .Append("INSERT INTO DeployState (ID, DeployBatchRequestItemID, EnumDeployStatusID, ProjectID, BranchID, BuildID, EnvironmentID, EnvironmentName, ComponentID,")
                                            .Append("BranchJson, BuildJson, EnvironmentJson, ComponentJson, SubmittedDateTimeUtc, DeploymentStartedDateTimeUtc, DeploymentCompleteDateTimeUtc, ")
                                            .Append("ErrorDetails, SortableVersion, CreatedByUserName, CreatedDateTimeUtc, UpdatedByUserName, UpdatedDateTimeUtc)")
                            .Append("VALUES (@ID, @DeployBatchRequestItemID, @EnumDeployStatusID, @ProjectID, @BranchID, @BuildID, @EnvironmentID, @EnvironmentName, @ComponentID,", sqlDeployState)
                                .Append("@BranchJson, @BuildJson, @EnvironmentJson, @ComponentJson, @SubmittedDateTimeUtc, @DeploymentStartedDateTimeUtc, @DeploymentCompleteDateTimeUtc,", sqlDeployState)
                                .Append("@ErrorDetails, @SortableVersion, @CreatedByUserName, @CreatedDateTimeUtc, @UpdatedByUserName, @UpdatedDateTimeUtc)", sqlDeployState);
                db.Execute(deployStateSql);

                foreach(var machine in machineList)
                {
                    var sqlMachine = new SqlDeployStateMachine
                    {
                        ID = Guid.NewGuid().ToString(),
                        DeployStateID = sqlDeployState.ID,
                        MachineID = machine.Id,  
                        MachineName = machine.MachineName,
                        MachineJson = machine.ToJson(),
                        CreatedByUserName = _userIdentity.UserName,
                        CreatedDateTimeUtc = DateTime.UtcNow,
                        UpdatedByUserName = _userIdentity.UserName,
                        UpdatedDateTimeUtc = DateTime.UtcNow
                    };
                    var machineSql = PetaPoco.Sql.Builder  
                            .Append("INSERT INTO DeployStateMachine (ID, DeployStateID, MachineID, MachineName, MachineJson, CreatedByUserName, CreatedDateTimeUtc, UpdatedByUserName, UpdatedDateTimeUtc)")
                            .Append("VALUES (@ID, @DeployStateID, @MachineID, @MachineName, @MachineJson, @CreatedByUserName, @CreatedDateTimeUtc, @UpdatedByUserName, @UpdatedDateTimeUtc)", sqlMachine);
                    db.Execute(machineSql);
                }
            }
            return GetDeployState(sqlDeployState.ID);
        }