| | | 1 | | using Elsa.Authorization; |
| | | 2 | | using Elsa.Abstractions; |
| | | 3 | | using Elsa.Common.Entities; |
| | | 4 | | using Elsa.Common.Models; |
| | | 5 | | using Elsa.Workflows.Api.Models; |
| | | 6 | | using Elsa.Workflows.Management; |
| | | 7 | | using Elsa.Workflows.Management.Filters; |
| | | 8 | | using Elsa.Workflows.Management.Models; |
| | | 9 | | using JetBrains.Annotations; |
| | | 10 | | using Microsoft.AspNetCore.Http; |
| | | 11 | | |
| | | 12 | | namespace Elsa.Workflows.Api.Endpoints.WorkflowInstances.List; |
| | | 13 | | |
| | | 14 | | [UsedImplicitly] |
| | 3 | 15 | | internal class List(IWorkflowInstanceStore store) : ElsaEndpoint<Request, Response> |
| | | 16 | | { |
| | | 17 | | public override void Configure() |
| | | 18 | | { |
| | 3 | 19 | | Verbs(FastEndpoints.Http.GET, FastEndpoints.Http.POST); |
| | 3 | 20 | | Routes("/workflow-instances"); |
| | 3 | 21 | | RequirePermission(Elsa.Workflows.Api.Permissions.WorkflowPermissions.Instances, CoreVerbs.View); |
| | 3 | 22 | | } |
| | | 23 | | |
| | | 24 | | public override async Task HandleAsync(Request request, CancellationToken cancellationToken) |
| | | 25 | | { |
| | 0 | 26 | | var pageArgs = PageArgs.FromPage(request.Page, request.PageSize); |
| | 0 | 27 | | var workflowStatuses = request.Statuses?.Any() == true ? ParseEnumStrings<WorkflowStatus>(request.Statuses).ToLi |
| | 0 | 28 | | var workflowSubStatuses = request.SubStatuses?.Any() == true ? ParseEnumStrings<WorkflowSubStatus>(request.SubSt |
| | | 29 | | |
| | 0 | 30 | | ValidateInput(request); |
| | | 31 | | |
| | 0 | 32 | | if (ValidationFailed) |
| | | 33 | | { |
| | 0 | 34 | | await Send.ErrorsAsync(StatusCodes.Status400BadRequest, cancellationToken); |
| | 0 | 35 | | return; |
| | | 36 | | } |
| | | 37 | | |
| | 0 | 38 | | var filter = new WorkflowInstanceFilter |
| | 0 | 39 | | { |
| | 0 | 40 | | IsSystem = request.IsSystem, |
| | 0 | 41 | | SearchTerm = request.SearchTerm, |
| | 0 | 42 | | Name = request.Name, |
| | 0 | 43 | | DefinitionId = request.DefinitionId, |
| | 0 | 44 | | DefinitionIds = request.DefinitionIds?.Any() == true ? request.DefinitionIds : null, |
| | 0 | 45 | | Version = request.Version, |
| | 0 | 46 | | CorrelationId = request.CorrelationId, |
| | 0 | 47 | | WorkflowStatus = request.Status, |
| | 0 | 48 | | WorkflowSubStatus = request.SubStatus, |
| | 0 | 49 | | WorkflowStatuses = workflowStatuses, |
| | 0 | 50 | | WorkflowSubStatuses = workflowSubStatuses, |
| | 0 | 51 | | HasIncidents = request.HasIncidents, |
| | 0 | 52 | | TimestampFilters = request.TimestampFilters?.Any() == true ? request.TimestampFilters : null, |
| | 0 | 53 | | }; |
| | | 54 | | |
| | 0 | 55 | | var summaries = await FindAsync(request, filter, pageArgs, cancellationToken); |
| | 0 | 56 | | var response = new Response(summaries.Items, summaries.TotalCount); |
| | 0 | 57 | | await Send.OkAsync(response, cancellationToken); |
| | 0 | 58 | | } |
| | | 59 | | |
| | | 60 | | private IEnumerable<TEnum> ParseEnumStrings<TEnum>(IEnumerable<string> strings) where TEnum : struct |
| | | 61 | | { |
| | 0 | 62 | | foreach (string s in strings) |
| | | 63 | | { |
| | 0 | 64 | | if (Enum.TryParse<TEnum>(s, true, out var result)) |
| | 0 | 65 | | yield return result; |
| | | 66 | | else |
| | | 67 | | { |
| | 0 | 68 | | AddError($"Invalid enum value '{s}'."); |
| | 0 | 69 | | yield break; |
| | | 70 | | } |
| | | 71 | | } |
| | 0 | 72 | | } |
| | | 73 | | |
| | | 74 | | private bool ValidateInput(Request request) |
| | | 75 | | { |
| | 0 | 76 | | if (request.Page is < 0) |
| | | 77 | | { |
| | 0 | 78 | | AddError("Page must be greater than or equal to 1."); |
| | 0 | 79 | | return false; |
| | | 80 | | } |
| | | 81 | | |
| | 0 | 82 | | if (request.PageSize is < 1) |
| | | 83 | | { |
| | 0 | 84 | | AddError("Page size must be greater than or equal to 1."); |
| | 0 | 85 | | return false; |
| | | 86 | | } |
| | | 87 | | |
| | 0 | 88 | | var hasTimestampFilterErrors = false; |
| | | 89 | | |
| | 0 | 90 | | foreach (var error in WorkflowInstanceFilter.ValidateTimestampFilters(request.TimestampFilters)) |
| | | 91 | | { |
| | 0 | 92 | | AddError(error); |
| | 0 | 93 | | hasTimestampFilterErrors = true; |
| | | 94 | | } |
| | | 95 | | |
| | 0 | 96 | | return !hasTimestampFilterErrors; |
| | | 97 | | } |
| | | 98 | | |
| | | 99 | | private async Task<Page<WorkflowInstanceSummary>> FindAsync(Request request, WorkflowInstanceFilter filter, PageArgs |
| | | 100 | | { |
| | 0 | 101 | | request.OrderBy ??= OrderByWorkflowInstance.Created; |
| | 0 | 102 | | var direction = request.OrderBy == OrderByWorkflowInstance.Name ? request.OrderDirection ?? OrderDirection.Ascen |
| | | 103 | | |
| | 0 | 104 | | switch (request.OrderBy) |
| | | 105 | | { |
| | | 106 | | default: |
| | | 107 | | { |
| | 0 | 108 | | var o = new WorkflowInstanceOrder<DateTimeOffset> |
| | 0 | 109 | | { |
| | 0 | 110 | | KeySelector = p => p.CreatedAt, |
| | 0 | 111 | | Direction = direction |
| | 0 | 112 | | }; |
| | | 113 | | |
| | 0 | 114 | | return await store.SummarizeManyAsync(filter, pageArgs, o, cancellationToken); |
| | | 115 | | } |
| | | 116 | | case OrderByWorkflowInstance.UpdatedAt: |
| | | 117 | | { |
| | 0 | 118 | | var o = new WorkflowInstanceOrder<DateTimeOffset?> |
| | 0 | 119 | | { |
| | 0 | 120 | | KeySelector = p => p.UpdatedAt, |
| | 0 | 121 | | Direction = direction |
| | 0 | 122 | | }; |
| | | 123 | | |
| | 0 | 124 | | return await store.SummarizeManyAsync(filter, pageArgs, o, cancellationToken); |
| | | 125 | | } |
| | | 126 | | case OrderByWorkflowInstance.Finished: |
| | | 127 | | { |
| | 0 | 128 | | var o = new WorkflowInstanceOrder<DateTimeOffset?> |
| | 0 | 129 | | { |
| | 0 | 130 | | KeySelector = p => p.FinishedAt, |
| | 0 | 131 | | Direction = direction |
| | 0 | 132 | | }; |
| | | 133 | | |
| | 0 | 134 | | return await store.SummarizeManyAsync(filter, pageArgs, o, cancellationToken); |
| | | 135 | | } |
| | | 136 | | case OrderByWorkflowInstance.Name: |
| | | 137 | | { |
| | 0 | 138 | | var o = new WorkflowInstanceOrder<string> |
| | 0 | 139 | | { |
| | 0 | 140 | | KeySelector = p => p.Name!, |
| | 0 | 141 | | Direction = direction |
| | 0 | 142 | | }; |
| | | 143 | | |
| | 0 | 144 | | return await store.SummarizeManyAsync(filter, pageArgs, o, cancellationToken); |
| | | 145 | | } |
| | | 146 | | } |
| | 0 | 147 | | } |
| | | 148 | | } |