| | | 1 | | using Elsa.Common.Models; |
| | | 2 | | using Elsa.Workflows.Management.Entities; |
| | | 3 | | using Elsa.Workflows.Management.Exceptions; |
| | | 4 | | using Elsa.Workflows.Management.Filters; |
| | | 5 | | using Elsa.Workflows.Management.Models; |
| | | 6 | | using Elsa.Workflows.Models; |
| | | 7 | | using Microsoft.Extensions.Logging; |
| | | 8 | | |
| | | 9 | | namespace Elsa.Workflows.Management.Services; |
| | | 10 | | |
| | | 11 | | /// <inheritdoc /> |
| | 483 | 12 | | public class WorkflowDefinitionService( |
| | 483 | 13 | | IWorkflowDefinitionStore workflowDefinitionStore, |
| | 483 | 14 | | IWorkflowGraphBuilder workflowGraphBuilder, |
| | 483 | 15 | | IMaterializerRegistry materializerRegistry, |
| | 483 | 16 | | ILogger<WorkflowDefinitionService> logger) |
| | | 17 | | : IWorkflowDefinitionService |
| | | 18 | | { |
| | | 19 | | /// <inheritdoc /> |
| | | 20 | | public async Task<WorkflowGraph> MaterializeWorkflowAsync(WorkflowDefinition definition, CancellationToken cancellat |
| | | 21 | | { |
| | 1853 | 22 | | var materializer = materializerRegistry.GetMaterializer(definition.MaterializerName); |
| | | 23 | | |
| | 1853 | 24 | | if (materializer == null) |
| | 1 | 25 | | throw new WorkflowMaterializerNotFoundException(definition.MaterializerName); |
| | | 26 | | |
| | 1852 | 27 | | var workflow = await materializer.MaterializeAsync(definition, cancellationToken); |
| | 1852 | 28 | | return await workflowGraphBuilder.BuildAsync(workflow, cancellationToken); |
| | 1852 | 29 | | } |
| | | 30 | | |
| | | 31 | | /// <inheritdoc /> |
| | | 32 | | public Task<WorkflowDefinition?> FindWorkflowDefinitionAsync(string definitionId, VersionOptions versionOptions, Can |
| | | 33 | | { |
| | 27 | 34 | | var handle = WorkflowDefinitionHandle.ByDefinitionId(definitionId, versionOptions); |
| | 27 | 35 | | return FindWorkflowDefinitionAsync(handle, cancellationToken); |
| | | 36 | | } |
| | | 37 | | |
| | | 38 | | /// <inheritdoc /> |
| | | 39 | | public Task<WorkflowDefinition?> FindWorkflowDefinitionAsync(string definitionVersionId, CancellationToken cancellat |
| | | 40 | | { |
| | 97 | 41 | | var handle = WorkflowDefinitionHandle.ByDefinitionVersionId(definitionVersionId); |
| | 97 | 42 | | return FindWorkflowDefinitionAsync(handle, cancellationToken); |
| | | 43 | | } |
| | | 44 | | |
| | | 45 | | /// <inheritdoc /> |
| | | 46 | | public async Task<WorkflowDefinition?> FindWorkflowDefinitionAsync(WorkflowDefinitionHandle handle, CancellationToke |
| | | 47 | | { |
| | 127 | 48 | | var filter = handle.ToFilter(); |
| | 127 | 49 | | return await workflowDefinitionStore.FindAsync(filter, cancellationToken); |
| | 127 | 50 | | } |
| | | 51 | | |
| | | 52 | | /// <inheritdoc /> |
| | | 53 | | public async Task<WorkflowDefinition?> FindWorkflowDefinitionAsync(WorkflowDefinitionFilter filter, CancellationToke |
| | | 54 | | { |
| | 293 | 55 | | return await workflowDefinitionStore.FindAsync(filter, cancellationToken); |
| | 293 | 56 | | } |
| | | 57 | | |
| | | 58 | | /// <inheritdoc /> |
| | | 59 | | public async Task<WorkflowGraph?> FindWorkflowGraphAsync(string definitionId, VersionOptions versionOptions, Cancell |
| | | 60 | | { |
| | 21 | 61 | | var definition = await FindWorkflowDefinitionAsync(definitionId, versionOptions, cancellationToken); |
| | 21 | 62 | | return await TryMaterializeWorkflowAsync(definition, cancellationToken); |
| | 21 | 63 | | } |
| | | 64 | | |
| | | 65 | | /// <inheritdoc /> |
| | | 66 | | public async Task<WorkflowGraph?> FindWorkflowGraphAsync(string definitionVersionId, CancellationToken cancellationT |
| | | 67 | | { |
| | 95 | 68 | | var definition = await FindWorkflowDefinitionAsync(definitionVersionId, cancellationToken); |
| | 95 | 69 | | return await TryMaterializeWorkflowAsync(definition, cancellationToken); |
| | 95 | 70 | | } |
| | | 71 | | |
| | | 72 | | /// <inheritdoc /> |
| | | 73 | | public async Task<WorkflowGraph?> FindWorkflowGraphAsync(WorkflowDefinitionHandle definitionHandle, CancellationToke |
| | | 74 | | { |
| | 1 | 75 | | var definition = await FindWorkflowDefinitionAsync(definitionHandle, cancellationToken); |
| | 1 | 76 | | return await TryMaterializeWorkflowAsync(definition, cancellationToken); |
| | 1 | 77 | | } |
| | | 78 | | |
| | | 79 | | /// <inheritdoc /> |
| | | 80 | | public async Task<WorkflowGraph?> FindWorkflowGraphAsync(WorkflowDefinitionFilter filter, CancellationToken cancella |
| | | 81 | | { |
| | 97 | 82 | | var definition = await FindWorkflowDefinitionAsync(filter, cancellationToken); |
| | 97 | 83 | | return await TryMaterializeWorkflowAsync(definition, cancellationToken); |
| | 97 | 84 | | } |
| | | 85 | | |
| | | 86 | | /// <inheritdoc /> |
| | | 87 | | public async Task<IEnumerable<WorkflowGraph>> FindWorkflowGraphsAsync(WorkflowDefinitionFilter filter, CancellationT |
| | | 88 | | { |
| | 1 | 89 | | var workflowDefinitions = await workflowDefinitionStore.FindManyAsync(filter, cancellationToken); |
| | 1 | 90 | | var workflowGraphs = new List<WorkflowGraph>(); |
| | 6 | 91 | | foreach (var workflowDefinition in workflowDefinitions) |
| | | 92 | | { |
| | 2 | 93 | | var workflowGraph = await MaterializeWorkflowAsync(workflowDefinition, cancellationToken); |
| | 2 | 94 | | workflowGraphs.Add(workflowGraph); |
| | | 95 | | } |
| | | 96 | | |
| | 1 | 97 | | return workflowGraphs; |
| | 1 | 98 | | } |
| | | 99 | | |
| | | 100 | | public async Task<WorkflowGraphFindResult> TryFindWorkflowGraphAsync(string definitionId, VersionOptions versionOpti |
| | | 101 | | { |
| | 3 | 102 | | var definition = await FindWorkflowDefinitionAsync(definitionId, versionOptions, cancellationToken); |
| | 3 | 103 | | return await MaterializeWorkflowGraphFindResultAsync(definition, cancellationToken); |
| | 3 | 104 | | } |
| | | 105 | | |
| | | 106 | | public async Task<WorkflowGraphFindResult> TryFindWorkflowGraphAsync(string definitionVersionId, CancellationToken c |
| | | 107 | | { |
| | 1 | 108 | | var definition = await FindWorkflowDefinitionAsync(definitionVersionId, cancellationToken); |
| | 1 | 109 | | return await MaterializeWorkflowGraphFindResultAsync(definition, cancellationToken); |
| | 1 | 110 | | } |
| | | 111 | | |
| | | 112 | | public async Task<WorkflowGraphFindResult> TryFindWorkflowGraphAsync(WorkflowDefinitionHandle definitionHandle, Canc |
| | | 113 | | { |
| | 1 | 114 | | var definition = await FindWorkflowDefinitionAsync(definitionHandle, cancellationToken); |
| | 1 | 115 | | return await MaterializeWorkflowGraphFindResultAsync(definition, cancellationToken); |
| | 1 | 116 | | } |
| | | 117 | | |
| | | 118 | | public async Task<WorkflowGraphFindResult> TryFindWorkflowGraphAsync(WorkflowDefinitionFilter filter, CancellationTo |
| | | 119 | | { |
| | 91 | 120 | | var definition = await FindWorkflowDefinitionAsync(filter, cancellationToken); |
| | 91 | 121 | | return await MaterializeWorkflowGraphFindResultAsync(definition, cancellationToken); |
| | 91 | 122 | | } |
| | | 123 | | |
| | | 124 | | public async Task<IEnumerable<WorkflowGraphFindResult>> TryFindWorkflowGraphsAsync(WorkflowDefinitionFilter filter, |
| | | 125 | | { |
| | 1 | 126 | | var workflowDefinitions = await workflowDefinitionStore.FindManyAsync(filter, cancellationToken); |
| | 1 | 127 | | var results = new List<WorkflowGraphFindResult>(); |
| | 6 | 128 | | foreach (var workflowDefinition in workflowDefinitions) |
| | | 129 | | { |
| | 2 | 130 | | var result = await MaterializeWorkflowGraphFindResultAsync(workflowDefinition, cancellationToken); |
| | 2 | 131 | | results.Add(result); |
| | | 132 | | } |
| | | 133 | | |
| | 1 | 134 | | return results; |
| | 1 | 135 | | } |
| | | 136 | | |
| | | 137 | | /// <summary> |
| | | 138 | | /// Attempts to materialize a workflow graph from the given workflow definition if a suitable materializer is availa |
| | | 139 | | /// </summary> |
| | | 140 | | /// <param name="definition">The workflow definition to materialize. Can be null.</param> |
| | | 141 | | /// <param name="cancellationToken">A token to monitor for cancellation requests.</param> |
| | | 142 | | /// <returns> |
| | | 143 | | /// A <see cref="WorkflowGraph"/> if materialization is successful; otherwise, null. |
| | | 144 | | /// </returns> |
| | | 145 | | private async Task<WorkflowGraph?> TryMaterializeWorkflowAsync(WorkflowDefinition? definition, CancellationToken can |
| | | 146 | | { |
| | 214 | 147 | | if (definition == null) |
| | 2 | 148 | | return null; |
| | | 149 | | |
| | 212 | 150 | | if (materializerRegistry.IsMaterializerAvailable(definition.MaterializerName)) |
| | 211 | 151 | | return await MaterializeWorkflowAsync(definition, cancellationToken); |
| | | 152 | | |
| | 1 | 153 | | logger.LogWarning("Materializer '{MaterializerName}' not found. The workflow definition will not be materialized |
| | 1 | 154 | | return null; |
| | 214 | 155 | | } |
| | | 156 | | |
| | | 157 | | /// <summary> |
| | | 158 | | /// Attempts to materialize a workflow graph from the given workflow definition. |
| | | 159 | | /// </summary> |
| | | 160 | | /// <param name="definition">The workflow definition to materialize the graph for. May be null.</param> |
| | | 161 | | /// <param name="cancellationToken">A token to observe while waiting for the task to complete.</param> |
| | | 162 | | /// <returns>A result containing the materialized workflow graph and its corresponding workflow definition, if succe |
| | | 163 | | private async Task<WorkflowGraphFindResult> MaterializeWorkflowGraphFindResultAsync(WorkflowDefinition? definition, |
| | | 164 | | { |
| | 98 | 165 | | if (definition == null) |
| | 1 | 166 | | return new(null, null); |
| | | 167 | | |
| | 97 | 168 | | if (materializerRegistry.IsMaterializerAvailable(definition.MaterializerName)) |
| | | 169 | | { |
| | 95 | 170 | | var graph = await MaterializeWorkflowAsync(definition, cancellationToken); |
| | 95 | 171 | | return new(definition, graph); |
| | | 172 | | } |
| | | 173 | | |
| | 2 | 174 | | return new(definition, null); |
| | 98 | 175 | | } |
| | | 176 | | } |