| | | 1 | | using System.Collections.ObjectModel; |
| | | 2 | | |
| | | 3 | | namespace AsiBackbone.Core.Emissions; |
| | | 4 | | |
| | | 5 | | /// <summary> |
| | | 6 | | /// Represents the provider-neutral result of a governance emission attempt. |
| | | 7 | | /// </summary> |
| | | 8 | | public sealed class GovernanceEmissionResult |
| | | 9 | | { |
| | 5 | 10 | | private static readonly IReadOnlyDictionary<string, string> EmptyMetadata = |
| | 5 | 11 | | new ReadOnlyDictionary<string, string>( |
| | 5 | 12 | | new Dictionary<string, string>(StringComparer.Ordinal)); |
| | | 13 | | |
| | 49 | 14 | | private GovernanceEmissionResult( |
| | 49 | 15 | | GovernanceEmissionStatus status, |
| | 49 | 16 | | string? providerName, |
| | 49 | 17 | | string? providerRecordId, |
| | 49 | 18 | | DateTimeOffset? retryAfterUtc, |
| | 49 | 19 | | GovernanceEmissionError? error, |
| | 49 | 20 | | IReadOnlyDictionary<string, string> metadata) |
| | | 21 | | { |
| | 49 | 22 | | if (!Enum.IsDefined(status)) |
| | | 23 | | { |
| | 0 | 24 | | throw new ArgumentOutOfRangeException(nameof(status), status, "Emission status must be defined."); |
| | | 25 | | } |
| | | 26 | | |
| | 49 | 27 | | Status = status; |
| | 49 | 28 | | ProviderName = NormalizeOptional(providerName); |
| | 49 | 29 | | ProviderRecordId = NormalizeOptional(providerRecordId); |
| | 49 | 30 | | RetryAfterUtc = retryAfterUtc?.ToUniversalTime(); |
| | 49 | 31 | | Error = error; |
| | 49 | 32 | | Metadata = metadata; |
| | 49 | 33 | | } |
| | | 34 | | |
| | | 35 | | /// <summary> |
| | | 36 | | /// Gets the provider-neutral result status. |
| | | 37 | | /// </summary> |
| | 96 | 38 | | public GovernanceEmissionStatus Status { get; } |
| | | 39 | | |
| | | 40 | | /// <summary> |
| | | 41 | | /// Gets the provider name that handled or attempted the emission, when available. |
| | | 42 | | /// </summary> |
| | 31 | 43 | | public string? ProviderName { get; } |
| | | 44 | | |
| | | 45 | | /// <summary> |
| | | 46 | | /// Gets the provider-side record identifier, when one is returned and safe to keep. |
| | | 47 | | /// </summary> |
| | 24 | 48 | | public string? ProviderRecordId { get; } |
| | | 49 | | |
| | | 50 | | /// <summary> |
| | | 51 | | /// Gets the UTC retry timestamp for deferred or retryable outcomes, when supplied. |
| | | 52 | | /// </summary> |
| | 12 | 53 | | public DateTimeOffset? RetryAfterUtc { get; } |
| | | 54 | | |
| | | 55 | | /// <summary> |
| | | 56 | | /// Gets provider-neutral error information, when the emission did not deliver successfully. |
| | | 57 | | /// </summary> |
| | 18 | 58 | | public GovernanceEmissionError? Error { get; } |
| | | 59 | | |
| | | 60 | | /// <summary> |
| | | 61 | | /// Gets minimized provider-neutral result metadata. |
| | | 62 | | /// </summary> |
| | 25 | 63 | | public IReadOnlyDictionary<string, string> Metadata { get; } |
| | | 64 | | |
| | | 65 | | /// <summary> |
| | | 66 | | /// Gets a value indicating whether the emission was delivered successfully. |
| | | 67 | | /// </summary> |
| | 52 | 68 | | public bool IsSuccess => Status is GovernanceEmissionStatus.Delivered; |
| | | 69 | | |
| | | 70 | | /// <summary> |
| | | 71 | | /// Gets a value indicating whether the emission should be retried according to provider-neutral status or error met |
| | | 72 | | /// </summary> |
| | 7 | 73 | | public bool ShouldRetry => Status is GovernanceEmissionStatus.Deferred or GovernanceEmissionStatus.RetryableFailure |
| | 7 | 74 | | || Error?.IsRetryable == true; |
| | | 75 | | |
| | | 76 | | /// <summary> |
| | | 77 | | /// Gets a value indicating whether the result is terminal and should not be retried automatically. |
| | | 78 | | /// </summary> |
| | 3 | 79 | | public bool IsTerminal => Status is GovernanceEmissionStatus.Delivered or GovernanceEmissionStatus.DeadLettered; |
| | | 80 | | |
| | | 81 | | /// <summary> |
| | | 82 | | /// Gets a value indicating whether result metadata is present. |
| | | 83 | | /// </summary> |
| | 2 | 84 | | public bool HasMetadata => Metadata.Count > 0; |
| | | 85 | | |
| | | 86 | | /// <summary> |
| | | 87 | | /// Creates a pending emission result. |
| | | 88 | | /// </summary> |
| | | 89 | | public static GovernanceEmissionResult Pending( |
| | | 90 | | string? providerName = null, |
| | | 91 | | IReadOnlyDictionary<string, string>? metadata = null) |
| | | 92 | | { |
| | 3 | 93 | | return new GovernanceEmissionResult( |
| | 3 | 94 | | GovernanceEmissionStatus.Pending, |
| | 3 | 95 | | providerName, |
| | 3 | 96 | | providerRecordId: null, |
| | 3 | 97 | | retryAfterUtc: null, |
| | 3 | 98 | | error: null, |
| | 3 | 99 | | NormalizeMetadata(metadata)); |
| | | 100 | | } |
| | | 101 | | |
| | | 102 | | /// <summary> |
| | | 103 | | /// Creates a delivered emission result. |
| | | 104 | | /// </summary> |
| | | 105 | | public static GovernanceEmissionResult Delivered( |
| | | 106 | | string? providerName = null, |
| | | 107 | | string? providerRecordId = null, |
| | | 108 | | IReadOnlyDictionary<string, string>? metadata = null) |
| | | 109 | | { |
| | 29 | 110 | | return new GovernanceEmissionResult( |
| | 29 | 111 | | GovernanceEmissionStatus.Delivered, |
| | 29 | 112 | | providerName, |
| | 29 | 113 | | providerRecordId, |
| | 29 | 114 | | retryAfterUtc: null, |
| | 29 | 115 | | error: null, |
| | 29 | 116 | | NormalizeMetadata(metadata)); |
| | | 117 | | } |
| | | 118 | | |
| | | 119 | | /// <summary> |
| | | 120 | | /// Creates a deferred emission result. |
| | | 121 | | /// </summary> |
| | | 122 | | public static GovernanceEmissionResult Deferred( |
| | | 123 | | GovernanceEmissionError? error = null, |
| | | 124 | | DateTimeOffset? retryAfterUtc = null, |
| | | 125 | | string? providerName = null, |
| | | 126 | | IReadOnlyDictionary<string, string>? metadata = null) |
| | | 127 | | { |
| | 2 | 128 | | return new GovernanceEmissionResult( |
| | 2 | 129 | | GovernanceEmissionStatus.Deferred, |
| | 2 | 130 | | providerName ?? error?.ProviderName, |
| | 2 | 131 | | providerRecordId: null, |
| | 2 | 132 | | retryAfterUtc, |
| | 2 | 133 | | error, |
| | 2 | 134 | | NormalizeMetadata(metadata)); |
| | | 135 | | } |
| | | 136 | | |
| | | 137 | | /// <summary> |
| | | 138 | | /// Creates a failed emission result. |
| | | 139 | | /// </summary> |
| | | 140 | | public static GovernanceEmissionResult Failed( |
| | | 141 | | GovernanceEmissionError error, |
| | | 142 | | string? providerName = null, |
| | | 143 | | IReadOnlyDictionary<string, string>? metadata = null) |
| | | 144 | | { |
| | 1 | 145 | | ArgumentNullException.ThrowIfNull(error); |
| | | 146 | | |
| | 1 | 147 | | return new GovernanceEmissionResult( |
| | 1 | 148 | | GovernanceEmissionStatus.Failed, |
| | 1 | 149 | | providerName ?? error.ProviderName, |
| | 1 | 150 | | providerRecordId: null, |
| | 1 | 151 | | retryAfterUtc: null, |
| | 1 | 152 | | error, |
| | 1 | 153 | | NormalizeMetadata(metadata)); |
| | | 154 | | } |
| | | 155 | | |
| | | 156 | | /// <summary> |
| | | 157 | | /// Creates a retryable failure emission result. |
| | | 158 | | /// </summary> |
| | | 159 | | public static GovernanceEmissionResult RetryableFailure( |
| | | 160 | | GovernanceEmissionError error, |
| | | 161 | | DateTimeOffset? retryAfterUtc = null, |
| | | 162 | | string? providerName = null, |
| | | 163 | | IReadOnlyDictionary<string, string>? metadata = null) |
| | | 164 | | { |
| | 12 | 165 | | ArgumentNullException.ThrowIfNull(error); |
| | | 166 | | |
| | 12 | 167 | | return new GovernanceEmissionResult( |
| | 12 | 168 | | GovernanceEmissionStatus.RetryableFailure, |
| | 12 | 169 | | providerName ?? error.ProviderName, |
| | 12 | 170 | | providerRecordId: null, |
| | 12 | 171 | | retryAfterUtc, |
| | 12 | 172 | | error, |
| | 12 | 173 | | NormalizeMetadata(metadata)); |
| | | 174 | | } |
| | | 175 | | |
| | | 176 | | /// <summary> |
| | | 177 | | /// Creates a dead-letter emission result. |
| | | 178 | | /// </summary> |
| | | 179 | | public static GovernanceEmissionResult DeadLettered( |
| | | 180 | | GovernanceEmissionError error, |
| | | 181 | | string? providerName = null, |
| | | 182 | | IReadOnlyDictionary<string, string>? metadata = null) |
| | | 183 | | { |
| | 2 | 184 | | ArgumentNullException.ThrowIfNull(error); |
| | | 185 | | |
| | 2 | 186 | | return new GovernanceEmissionResult( |
| | 2 | 187 | | GovernanceEmissionStatus.DeadLettered, |
| | 2 | 188 | | providerName ?? error.ProviderName, |
| | 2 | 189 | | providerRecordId: null, |
| | 2 | 190 | | retryAfterUtc: null, |
| | 2 | 191 | | error, |
| | 2 | 192 | | NormalizeMetadata(metadata)); |
| | | 193 | | } |
| | | 194 | | |
| | | 195 | | private static string? NormalizeOptional(string? value) |
| | | 196 | | { |
| | 98 | 197 | | return string.IsNullOrWhiteSpace(value) |
| | 98 | 198 | | ? null |
| | 98 | 199 | | : value.Trim(); |
| | | 200 | | } |
| | | 201 | | |
| | | 202 | | private static IReadOnlyDictionary<string, string> NormalizeMetadata( |
| | | 203 | | IReadOnlyDictionary<string, string>? metadata) |
| | | 204 | | { |
| | 49 | 205 | | if (metadata is null || metadata.Count == 0) |
| | | 206 | | { |
| | 33 | 207 | | return EmptyMetadata; |
| | | 208 | | } |
| | | 209 | | |
| | 16 | 210 | | Dictionary<string, string> normalizedMetadata = new(StringComparer.Ordinal); |
| | | 211 | | |
| | 112 | 212 | | foreach (KeyValuePair<string, string> item in metadata) |
| | | 213 | | { |
| | 40 | 214 | | if (string.IsNullOrWhiteSpace(item.Key)) |
| | | 215 | | { |
| | | 216 | | continue; |
| | | 217 | | } |
| | | 218 | | |
| | 39 | 219 | | normalizedMetadata[item.Key.Trim()] = item.Value?.Trim() ?? string.Empty; |
| | | 220 | | } |
| | | 221 | | |
| | 16 | 222 | | return normalizedMetadata.Count == 0 |
| | 16 | 223 | | ? EmptyMetadata |
| | 16 | 224 | | : new ReadOnlyDictionary<string, string>(normalizedMetadata); |
| | | 225 | | } |
| | | 226 | | } |