| | | 1 | | using System.Text.Json; |
| | | 2 | | using Elsa.Common; |
| | | 3 | | using Elsa.Mediator.Contracts; |
| | | 4 | | using Elsa.UserTasks.Contracts; |
| | | 5 | | using Elsa.UserTasks.Models; |
| | | 6 | | using Elsa.Workflows.Models; |
| | | 7 | | using Elsa.Workflows.Runtime.Notifications; |
| | | 8 | | |
| | | 9 | | namespace Elsa.UserTasks.Handlers; |
| | | 10 | | |
| | | 11 | | /// <summary> |
| | | 12 | | /// Bridges the workflow bookmark commit notification to the User Tasks projection. This keeps workflow |
| | | 13 | | /// and task persistence decoupled: task projection is never written from inside activity execution. |
| | | 14 | | /// </summary> |
| | 0 | 15 | | public sealed class UserTaskBookmarkPersistedHandler(IUserTaskProjectionService projectionService, ISystemClock clock) : |
| | | 16 | | { |
| | | 17 | | public async Task HandleAsync(WorkflowBookmarksPersisted notification, CancellationToken cancellationToken) |
| | | 18 | | { |
| | 0 | 19 | | var materializations = notification.Diff.Added |
| | 0 | 20 | | .Select(Deserialize) |
| | 0 | 21 | | .Where(x => x != null) |
| | 0 | 22 | | .Select(x => x!) |
| | 0 | 23 | | .ToArray(); |
| | 0 | 24 | | if (materializations.Length > 0) |
| | 0 | 25 | | await projectionService.ProjectCommittedBookmarksAsync(materializations, cancellationToken); |
| | | 26 | | |
| | 0 | 27 | | foreach (var bookmark in notification.Diff.Removed) |
| | | 28 | | { |
| | 0 | 29 | | var materialization = Deserialize(bookmark); |
| | 0 | 30 | | if (materialization?.TaskId == null) |
| | | 31 | | continue; |
| | 0 | 32 | | await projectionService.FinalizeBookmarkRemovalAsync(new UserTaskBookmarkRemoval( |
| | 0 | 33 | | materialization.TenantId, |
| | 0 | 34 | | materialization.TaskId, |
| | 0 | 35 | | bookmark.Id, |
| | 0 | 36 | | clock.UtcNow), cancellationToken); |
| | | 37 | | } |
| | 0 | 38 | | } |
| | | 39 | | |
| | | 40 | | private static UserTaskMaterialization? Deserialize(Bookmark bookmark) |
| | | 41 | | { |
| | | 42 | | try |
| | | 43 | | { |
| | 0 | 44 | | return bookmark.Payload switch |
| | 0 | 45 | | { |
| | 0 | 46 | | UserTaskMaterialization materialization => materialization, |
| | 0 | 47 | | JsonElement element => element.Deserialize<UserTaskMaterialization>(), |
| | 0 | 48 | | null => null, |
| | 0 | 49 | | _ => JsonSerializer.Deserialize<UserTaskMaterialization>(JsonSerializer.Serialize(bookmark.Payload)) |
| | 0 | 50 | | }; |
| | | 51 | | } |
| | 0 | 52 | | catch (JsonException) |
| | | 53 | | { |
| | 0 | 54 | | return null; |
| | | 55 | | } |
| | 0 | 56 | | } |
| | | 57 | | } |