| | | 1 | | using Elsa.Common.Models; |
| | | 2 | | using Elsa.Common.Multitenancy; |
| | | 3 | | using Elsa.Common.Services; |
| | | 4 | | using Elsa.Extensions; |
| | | 5 | | using Elsa.Workflows.Management.Entities; |
| | | 6 | | using Elsa.Workflows.Management.Filters; |
| | | 7 | | using Elsa.Workflows.Management.Models; |
| | | 8 | | |
| | | 9 | | namespace Elsa.Workflows.Management.Stores; |
| | | 10 | | |
| | | 11 | | /// <summary> |
| | | 12 | | /// A memory implementation of <see cref="IWorkflowDefinitionStore"/>. |
| | | 13 | | /// </summary> |
| | 36 | 14 | | public class MemoryWorkflowDefinitionStore(MemoryStore<WorkflowDefinition> store, ITenantAccessor? tenantAccessor = null |
| | | 15 | | { |
| | | 16 | | /// <inheritdoc /> |
| | | 17 | | public Task<WorkflowDefinition?> FindAsync(WorkflowDefinitionFilter filter, CancellationToken cancellationToken = de |
| | | 18 | | { |
| | 16 | 19 | | var result = store.Query(query => Filter(query, filter)).FirstOrDefault(); |
| | 8 | 20 | | return Task.FromResult(result); |
| | | 21 | | } |
| | | 22 | | |
| | | 23 | | /// <inheritdoc /> |
| | | 24 | | public Task<WorkflowDefinition?> FindAsync<TOrderBy>(WorkflowDefinitionFilter filter, WorkflowDefinitionOrder<TOrder |
| | | 25 | | { |
| | 0 | 26 | | var result = store.Query(query => Filter(query, filter).OrderBy(order)).FirstOrDefault(); |
| | 0 | 27 | | return Task.FromResult(result); |
| | | 28 | | } |
| | | 29 | | |
| | | 30 | | /// <inheritdoc /> |
| | | 31 | | public Task<Page<WorkflowDefinition>> FindManyAsync(WorkflowDefinitionFilter filter, PageArgs pageArgs, Cancellation |
| | | 32 | | { |
| | 0 | 33 | | var count = store.Query(query => Filter(query, filter)).LongCount(); |
| | 0 | 34 | | var result = store.Query(query => Filter(query, filter).Paginate(pageArgs)).ToList(); |
| | 0 | 35 | | return Task.FromResult(Page.Of(result, count)); |
| | | 36 | | } |
| | | 37 | | |
| | | 38 | | /// <inheritdoc /> |
| | | 39 | | public Task<Page<WorkflowDefinition>> FindManyAsync<TOrderBy>(WorkflowDefinitionFilter filter, WorkflowDefinitionOrd |
| | | 40 | | { |
| | 0 | 41 | | var count = store.Query(query => Filter(query, filter).OrderBy(order)).LongCount(); |
| | 0 | 42 | | var result = store.Query(query => Filter(query, filter).Paginate(pageArgs)).ToList(); |
| | 0 | 43 | | return Task.FromResult(Page.Of(result, count)); |
| | | 44 | | } |
| | | 45 | | |
| | | 46 | | /// <inheritdoc /> |
| | | 47 | | public Task<IEnumerable<WorkflowDefinition>> FindManyAsync(WorkflowDefinitionFilter filter, CancellationToken cancel |
| | | 48 | | { |
| | 38 | 49 | | var result = store.Query(query => Filter(query, filter)).ToList().AsEnumerable(); |
| | 19 | 50 | | return Task.FromResult(result); |
| | | 51 | | } |
| | | 52 | | |
| | | 53 | | /// <inheritdoc /> |
| | | 54 | | public Task<IEnumerable<WorkflowDefinition>> FindManyAsync<TOrderBy>(WorkflowDefinitionFilter filter, WorkflowDefini |
| | | 55 | | { |
| | 0 | 56 | | var result = store.Query(query => Filter(query, filter).OrderBy(order)).ToList().AsEnumerable(); |
| | 0 | 57 | | return Task.FromResult(result); |
| | | 58 | | } |
| | | 59 | | |
| | | 60 | | /// <inheritdoc /> |
| | | 61 | | public Task<Page<WorkflowDefinitionSummary>> FindSummariesAsync(WorkflowDefinitionFilter filter, PageArgs pageArgs, |
| | | 62 | | { |
| | 0 | 63 | | var count = store.Query(query => Filter(query, filter)).LongCount(); |
| | 0 | 64 | | var result = store.Query(query => Filter(query, filter).Paginate(pageArgs)).Select(WorkflowDefinitionSummary.Fro |
| | 0 | 65 | | return Task.FromResult(Page.Of(result, count)); |
| | | 66 | | } |
| | | 67 | | |
| | | 68 | | /// <inheritdoc /> |
| | | 69 | | public Task<Page<WorkflowDefinitionSummary>> FindSummariesAsync<TOrderBy>(WorkflowDefinitionFilter filter, WorkflowD |
| | | 70 | | { |
| | 0 | 71 | | var count = store.Query(query => Filter(query, filter).OrderBy(order)).LongCount(); |
| | 0 | 72 | | var result = store.Query(query => Filter(query, filter).Paginate(pageArgs)).Select(WorkflowDefinitionSummary.Fro |
| | 0 | 73 | | return Task.FromResult(Page.Of(result, count)); |
| | | 74 | | } |
| | | 75 | | |
| | | 76 | | /// <inheritdoc /> |
| | | 77 | | public Task<IEnumerable<WorkflowDefinitionSummary>> FindSummariesAsync(WorkflowDefinitionFilter filter, Cancellation |
| | | 78 | | { |
| | 0 | 79 | | var result = store.Query(query => Filter(query, filter)).Select(WorkflowDefinitionSummary.FromDefinition).ToList |
| | 0 | 80 | | return Task.FromResult(result); |
| | | 81 | | } |
| | | 82 | | |
| | | 83 | | /// <inheritdoc /> |
| | | 84 | | public Task<IEnumerable<WorkflowDefinitionSummary>> FindSummariesAsync<TOrderBy>(WorkflowDefinitionFilter filter, Wo |
| | | 85 | | { |
| | 0 | 86 | | var result = store.Query(query => Filter(query, filter).OrderBy(order)).Select(WorkflowDefinitionSummary.FromDef |
| | 0 | 87 | | return Task.FromResult(result); |
| | | 88 | | } |
| | | 89 | | |
| | | 90 | | /// <inheritdoc /> |
| | | 91 | | public Task<WorkflowDefinition?> FindLastVersionAsync(WorkflowDefinitionFilter filter, CancellationToken cancellatio |
| | | 92 | | { |
| | 0 | 93 | | var result = store.Query(query => Filter(query, filter)).MaxBy(x => x.Version); |
| | 0 | 94 | | return Task.FromResult(result); |
| | | 95 | | } |
| | | 96 | | |
| | | 97 | | /// <inheritdoc /> |
| | | 98 | | public Task SaveAsync(WorkflowDefinition definition, CancellationToken cancellationToken = default) |
| | | 99 | | { |
| | 41 | 100 | | lock (store.Sync) |
| | | 101 | | { |
| | 41 | 102 | | EnsureVersionKeyAvailable(definition); |
| | 40 | 103 | | store.Save(definition, GetId); |
| | 40 | 104 | | } |
| | | 105 | | |
| | 40 | 106 | | return Task.CompletedTask; |
| | | 107 | | } |
| | | 108 | | |
| | | 109 | | /// <inheritdoc /> |
| | | 110 | | public Task SaveManyAsync(IEnumerable<WorkflowDefinition> definitions, CancellationToken cancellationToken = default |
| | | 111 | | { |
| | 3 | 112 | | lock (store.Sync) |
| | | 113 | | { |
| | 3 | 114 | | var definitionList = definitions.ToList(); |
| | 3 | 115 | | EnsureBatchVersionKeysUnique(definitionList); |
| | | 116 | | |
| | 3 | 117 | | foreach (var definition in definitionList) |
| | 1 | 118 | | EnsureVersionKeyAvailable(definition); |
| | | 119 | | |
| | 0 | 120 | | store.SaveMany(definitionList, GetId); |
| | 0 | 121 | | } |
| | | 122 | | |
| | 0 | 123 | | return Task.CompletedTask; |
| | | 124 | | } |
| | | 125 | | |
| | | 126 | | /// <inheritdoc /> |
| | | 127 | | public Task<WorkflowDefinitionUpdateResult> TryUpdateLatestAsync( |
| | | 128 | | WorkflowDefinitionFilter filter, |
| | | 129 | | Func<WorkflowDefinition, bool> matchesExpected, |
| | | 130 | | Func<WorkflowDefinition, WorkflowDefinition> update, |
| | | 131 | | CancellationToken cancellationToken = default) |
| | | 132 | | { |
| | 7 | 133 | | lock (store.Sync) |
| | | 134 | | { |
| | 14 | 135 | | var current = store.Query(query => Filter(query, filter)).FirstOrDefault(); |
| | | 136 | | |
| | 7 | 137 | | if (current == null) |
| | 1 | 138 | | return Task.FromResult(WorkflowDefinitionUpdateResult.NotFound()); |
| | | 139 | | |
| | 6 | 140 | | if (!current.IsLatest || !matchesExpected(current)) |
| | 3 | 141 | | return Task.FromResult(WorkflowDefinitionUpdateResult.Conflict()); |
| | | 142 | | |
| | 3 | 143 | | var next = update(current); |
| | | 144 | | |
| | 3 | 145 | | if (next.Id != current.Id) |
| | | 146 | | { |
| | 1 | 147 | | current.IsLatest = false; |
| | 1 | 148 | | store.Save(current, GetId); |
| | | 149 | | } |
| | | 150 | | |
| | 3 | 151 | | store.Save(next, GetId); |
| | 3 | 152 | | return Task.FromResult(WorkflowDefinitionUpdateResult.Updated(next)); |
| | | 153 | | } |
| | 7 | 154 | | } |
| | | 155 | | |
| | | 156 | | /// <inheritdoc /> |
| | | 157 | | public Task<long> DeleteAsync(WorkflowDefinitionFilter filter, CancellationToken cancellationToken = default) |
| | | 158 | | { |
| | 3 | 159 | | lock (store.Sync) |
| | | 160 | | { |
| | 11 | 161 | | var workflowDefinitionIds = store.Query(query => Filter(query, filter)).Select(x => x.DefinitionId).Distinct |
| | 3 | 162 | | store.DeleteWhere(x => |
| | 11 | 163 | | workflowDefinitionIds.Contains(x.DefinitionId) |
| | 11 | 164 | | && (filter.TenantAgnostic || TenantVisibility.IsVisible(x.TenantId, CurrentTenantId))); |
| | 3 | 165 | | return Task.FromResult(workflowDefinitionIds.LongCount()); |
| | | 166 | | } |
| | 3 | 167 | | } |
| | | 168 | | |
| | | 169 | | /// <inheritdoc /> |
| | | 170 | | public Task<bool> AnyAsync(WorkflowDefinitionFilter filter, CancellationToken cancellationToken = default) |
| | | 171 | | { |
| | 4 | 172 | | var exists = store.Query(query => Filter(query, filter)).Any(); |
| | 2 | 173 | | return Task.FromResult(exists); |
| | | 174 | | } |
| | | 175 | | |
| | | 176 | | /// <inheritdoc /> |
| | | 177 | | public Task<long> CountDistinctAsync(CancellationToken cancellationToken = default) |
| | | 178 | | { |
| | 4 | 179 | | var count = store.Query(query => query.WhereVisibleToTenant(CurrentTenantId)) |
| | 4 | 180 | | .Select(x => x.DefinitionId) |
| | 2 | 181 | | .Distinct() |
| | 2 | 182 | | .LongCount(); |
| | 2 | 183 | | return Task.FromResult(count); |
| | | 184 | | } |
| | | 185 | | |
| | | 186 | | /// <inheritdoc /> |
| | | 187 | | public Task<bool> GetIsNameUnique(string name, string? definitionId = default, CancellationToken cancellationToken = |
| | | 188 | | { |
| | 2 | 189 | | var exists = store.Any(x => |
| | 4 | 190 | | x.Name == name |
| | 4 | 191 | | && x.DefinitionId != definitionId |
| | 4 | 192 | | && TenantVisibility.IsVisible(x.TenantId, CurrentTenantId)); |
| | 2 | 193 | | return Task.FromResult(!exists); |
| | | 194 | | } |
| | | 195 | | |
| | | 196 | | /// <remarks> |
| | | 197 | | /// Ambient tenant is applied here rather than in <see cref="WorkflowDefinitionFilter.Apply"/>. |
| | | 198 | | /// EF owns that via <c>SetTenantIdFilter</c> / <c>IgnoreQueryFilters</c>; Memory must compensate. |
| | | 199 | | /// </remarks> |
| | | 200 | | private IQueryable<WorkflowDefinition> Filter(IQueryable<WorkflowDefinition> queryable, WorkflowDefinitionFilter fil |
| | 39 | 201 | | filter.Apply(queryable.WhereVisibleToTenant(CurrentTenantId, filter.TenantAgnostic)); |
| | | 202 | | |
| | 49 | 203 | | private string CurrentTenantId => tenantAccessor?.TenantId ?? Tenant.DefaultTenantId; |
| | | 204 | | |
| | | 205 | | /// <remarks> |
| | | 206 | | /// EF enforces <c>(DefinitionId, Version)</c> globally via |
| | | 207 | | /// <c>IX_WorkflowDefinition_DefinitionId_Version</c>. Memory keeps tenant in the key so |
| | | 208 | | /// same-tenant duplicates fail closed while cross-tenant rows remain distinct until #7539 |
| | | 209 | | /// adds <c>TenantId</c> to that index. |
| | | 210 | | /// </remarks> |
| | | 211 | | private void EnsureVersionKeyAvailable(WorkflowDefinition definition) |
| | | 212 | | { |
| | 42 | 213 | | var versionKey = GetVersionKey(definition); |
| | 73 | 214 | | var existing = store.Find(x => x.Id != definition.Id && GetVersionKey(x) == versionKey); |
| | | 215 | | |
| | 42 | 216 | | if (existing is not null) |
| | 2 | 217 | | throw CreateVersionKeyConflict(definition); |
| | 40 | 218 | | } |
| | | 219 | | |
| | | 220 | | private static void EnsureBatchVersionKeysUnique(IEnumerable<WorkflowDefinition> definitions) |
| | | 221 | | { |
| | 3 | 222 | | var seen = new Dictionary<DefinitionVersionKey, string>(); |
| | | 223 | | |
| | 14 | 224 | | foreach (var definition in definitions) |
| | | 225 | | { |
| | 5 | 226 | | var versionKey = GetVersionKey(definition); |
| | | 227 | | |
| | 5 | 228 | | if (seen.TryGetValue(versionKey, out var existingId) && existingId != definition.Id) |
| | 2 | 229 | | throw CreateVersionKeyConflict(definition); |
| | | 230 | | |
| | 3 | 231 | | seen[versionKey] = definition.Id; |
| | | 232 | | } |
| | 1 | 233 | | } |
| | | 234 | | |
| | | 235 | | private static InvalidOperationException CreateVersionKeyConflict(WorkflowDefinition definition) => |
| | 4 | 236 | | new($"A workflow definition already exists for definition '{definition.DefinitionId}' version {definition.Versio |
| | | 237 | | |
| | | 238 | | private static DefinitionVersionKey GetVersionKey(WorkflowDefinition definition) => |
| | 77 | 239 | | new(definition.DefinitionId, definition.Version, definition.TenantId); |
| | | 240 | | |
| | 44 | 241 | | private string GetId(WorkflowDefinition workflowDefinition) => workflowDefinition.Id; |
| | | 242 | | |
| | 0 | 243 | | private readonly record struct DefinitionVersionKey(string DefinitionId, int Version, string? TenantId); |
| | | 244 | | } |