| | | 1 | | using Elsa.Expressions.Helpers; |
| | | 2 | | using Elsa.Extensions; |
| | | 3 | | using Elsa.Workflows.Memory; |
| | | 4 | | using Elsa.Workflows.Models; |
| | | 5 | | using Elsa.Workflows.Services; |
| | | 6 | | using Microsoft.Extensions.Logging; |
| | | 7 | | using Microsoft.Extensions.Logging.Abstractions; |
| | | 8 | | using Elsa.Common.Serialization; |
| | | 9 | | |
| | | 10 | | namespace Elsa.Workflows; |
| | | 11 | | |
| | | 12 | | /// <summary> |
| | | 13 | | /// Maps variables to and from <see cref="VariableModel"/> instances. |
| | | 14 | | /// </summary> |
| | | 15 | | public class VariableMapper |
| | | 16 | | { |
| | | 17 | | private readonly ILogger<VariableMapper> _logger; |
| | | 18 | | private readonly ISerializationTypeRegistry _workflowJsonTypeRegistry; |
| | | 19 | | |
| | | 20 | | /// <summary> |
| | | 21 | | /// Initializes a new instance of the <see cref="VariableMapper"/> class. |
| | | 22 | | /// </summary> |
| | | 23 | | /// <param name="workflowJsonTypeRegistry">The serialization type registry.</param> |
| | | 24 | | /// <param name="logger">The logger.</param> |
| | 15404 | 25 | | public VariableMapper(ISerializationTypeRegistry workflowJsonTypeRegistry, ILogger<VariableMapper> logger) |
| | | 26 | | { |
| | 15404 | 27 | | _workflowJsonTypeRegistry = workflowJsonTypeRegistry; |
| | 15404 | 28 | | _logger = logger; |
| | 15404 | 29 | | } |
| | | 30 | | |
| | | 31 | | /// <inheritdoc /> |
| | 0 | 32 | | public VariableMapper() : this(SerializationTypeRegistry.CreateDefault(), NullLogger<VariableMapper>.Instance) |
| | | 33 | | { |
| | | 34 | | |
| | 0 | 35 | | } |
| | | 36 | | |
| | | 37 | | /// <summary> |
| | | 38 | | /// Maps a <see cref="Variable"/> to a <see cref="VariableModel"/>. |
| | | 39 | | /// </summary> |
| | | 40 | | public Variable Map(VariableModel source) |
| | | 41 | | { |
| | 2509 | 42 | | var type = ResolveVariableType(source.TypeName); |
| | | 43 | | |
| | 2509 | 44 | | var variableGenericType = typeof(Variable<>).MakeGenericType(type); |
| | 2509 | 45 | | var variable = (Variable)Activator.CreateInstance(variableGenericType)!; |
| | | 46 | | |
| | | 47 | | // ReSharper disable once NullCoalescingConditionIsAlwaysNotNullAccordingToAPIContract |
| | 2509 | 48 | | variable.Id = source.Id ?? Guid.NewGuid().ToString("N"); // Temporarily assign a new ID if the source doesn't ha |
| | 2509 | 49 | | variable.Name = source.Name; |
| | | 50 | | |
| | 2509 | 51 | | source.Value.TryConvertTo(type) |
| | 2509 | 52 | | .OnSuccess(value => variable.Value = value) |
| | 2509 | 53 | | .OnFailure(e => _logger.LogWarning("Failed to convert {SourceValue} to {TargetType}", source.Value, type.Nam |
| | | 54 | | |
| | 2509 | 55 | | variable.StorageDriverType = ResolveStorageDriverType(source.StorageDriverTypeName); |
| | | 56 | | |
| | 2509 | 57 | | return variable; |
| | | 58 | | } |
| | | 59 | | |
| | | 60 | | /// <summary> |
| | | 61 | | /// Maps a <see cref="VariableModel"/> to a <see cref="Variable"/>. |
| | | 62 | | /// </summary> |
| | | 63 | | public VariableModel Map(Variable source) |
| | | 64 | | { |
| | 1169 | 65 | | var variableType = source.GetType(); |
| | 1169 | 66 | | var value = source.Value; |
| | 1169 | 67 | | var valueType = variableType.IsConstructedGenericType ? variableType.GetGenericArguments().FirstOrDefault() ?? t |
| | 1169 | 68 | | var valueTypeAlias = SerializationTypeResolver.TryGetAlias(_workflowJsonTypeRegistry, valueType, out var alias) |
| | 1169 | 69 | | var storageDriverTypeName = GetTypeName(source.StorageDriverType); |
| | 1169 | 70 | | var serializedValue = value.Format(); |
| | | 71 | | |
| | 1169 | 72 | | return new(source.Id, source.Name, valueTypeAlias, serializedValue, storageDriverTypeName); |
| | | 73 | | } |
| | | 74 | | |
| | | 75 | | private string? GetTypeName(Type? type) |
| | | 76 | | { |
| | 1169 | 77 | | if (type == null) |
| | 79 | 78 | | return null; |
| | | 79 | | |
| | 1090 | 80 | | return SerializationTypeResolver.TryGetAlias(_workflowJsonTypeRegistry, type, out var alias) ? alias : type.GetS |
| | | 81 | | } |
| | | 82 | | |
| | | 83 | | private Type ResolveVariableType(string? typeAlias) |
| | | 84 | | { |
| | 2509 | 85 | | if (string.IsNullOrWhiteSpace(typeAlias)) |
| | 0 | 86 | | return typeof(object); |
| | | 87 | | |
| | 2509 | 88 | | if (SerializationTypeResolver.TryResolveType(_workflowJsonTypeRegistry, typeAlias, out var type)) |
| | 2509 | 89 | | return type; |
| | | 90 | | |
| | 0 | 91 | | _logger.LogWarning("Failed to resolve variable type alias {VariableTypeName}", typeAlias); |
| | 0 | 92 | | return typeof(object); |
| | | 93 | | } |
| | | 94 | | |
| | | 95 | | private Type? ResolveStorageDriverType(string? typeAlias) |
| | | 96 | | { |
| | 2509 | 97 | | if (string.IsNullOrWhiteSpace(typeAlias)) |
| | 115 | 98 | | return null; |
| | | 99 | | |
| | 2394 | 100 | | if (SerializationTypeResolver.TryResolveType(_workflowJsonTypeRegistry, typeAlias, out var type) && IsStorageDri |
| | 2392 | 101 | | return type; |
| | | 102 | | |
| | 2 | 103 | | _logger.LogWarning("Failed to resolve storage driver type alias {StorageDriverTypeName}", typeAlias); |
| | 2 | 104 | | return null; |
| | | 105 | | } |
| | | 106 | | |
| | | 107 | | private static bool IsStorageDriverType(Type type) |
| | | 108 | | { |
| | 2393 | 109 | | return typeof(IStorageDriver).IsAssignableFrom(type) && type is { IsAbstract: false, IsInterface: false, Contain |
| | | 110 | | } |
| | | 111 | | } |