Start operation implementation

Hcs.WebApp/Components/Pages/Registry/Common.razor

@@ -1,18 +1,22 @@
 @page "/registry/common"
 
 @using System.IdentityModel.Claims
+@using Hcs.WebApp.BackgroundServices
 @using Hcs.WebApp.Components.Dialogs
 @using Hcs.WebApp.Services
 @using Microsoft.AspNetCore.Authorization
 @using Microsoft.AspNetCore.Identity
 @using Microsoft.EntityFrameworkCore
 
+@implements IDisposable
+
 @attribute [Authorize]
 
 @inject AuthenticationStateProvider AuthenticationStateProvider
 @inject OperationService OperationService
 @inject RegistryService RegistryService
 @inject DialogService DialogService
+@inject OperationExecutionState OperationExecutionState
 
 <PageTitle>Общие справочники подсистемы НСИ</PageTitle>
 
@@ -74,7 +78,6 @@
         if (firstRender)
         {
             ChangeState(CommonPageState.Init);
-            StateHasChanged();
 
             var finalState = CommonPageState.Idle;
             var state = await AuthenticationStateProvider.GetAuthenticationStateAsync();
@@ -89,16 +92,29 @@
                 {
                     registries = await RegistryService.GetAllRegistries(true);
                 }
+
+                OperationExecutionState.OnOperationStarted += OnOperationStarted;
             }
 
             ChangeState(finalState);
-            StateHasChanged();
         }
     }
 
     async Task SyncRegistries()
     {
-        // TODO
+        if (state == CommonPageState.OperationWaiting) return;
+
+        ChangeState(CommonPageState.OperationWaiting);
+
+        if (await OperationService.HasActiveOperation(Operation.OperationType.Nsi_15_7_0_1_ExportAllRegistryElements))
+        {
+            ChangeState(CommonPageState.Idle);
+        }
+        else
+        {
+            var operation = await OperationService.InitiateOperation(Operation.OperationType.Nsi_15_7_0_1_ExportAllRegistryElements, "");
+            OperationExecutionState.EnqueueOperation(operation);
+        }
     }
 
     async Task ViewRegistry(Registry userWithRole)
@@ -118,9 +134,12 @@
 
     void ChangeState(CommonPageState state)
     {
+        if (this.state == state) return;
+
         this.state = state;
 
         SetSyncText();
+        StateHasChanged();
     }
 
     void SetSyncText()
@@ -141,4 +160,17 @@
                 break;
         }
     }
+
+    void OnOperationStarted(Operation operation)
+    {
+        if (operation.Type == Operation.OperationType.Nsi_15_7_0_1_ExportAllRegistryElements)
+        {
+            InvokeAsync(() => ChangeState(CommonPageState.OperationWaiting));
+        }
+    }
+
+    public void Dispose()
+    {
+        OperationExecutionState.OnOperationStarted -= OnOperationStarted;
+    }
 }