Initial curated itworx-knowledge-hub source from 3b1751d0d9dee551aa6994eee0093704dc334817

src/backend/ItWorx.KnowledgeHub.Application/Ingestion/UseCases/CreateIngestionProposalUseCase.cs

@@ -0,0 +1,35 @@
+using ItWorx.KnowledgeHub.Application.Common;
+using ItWorx.KnowledgeHub.Domain.Ingestion;
+
+namespace ItWorx.KnowledgeHub.Application.Ingestion.UseCases;
+
+public sealed record CreateIngestionProposalCommand(Guid WorkspaceId, Guid ActorId, string Manifest, string CorrelationId,
+    string? IdempotencyKey, IngestionPublication? Publication = null);
+
+public sealed class CreateIngestionProposalUseCase(IIngestionProposalRepository proposals, TimeProvider timeProvider)
+{
+    public async Task<OperationResultValue<Guid>> ExecuteAsync(CreateIngestionProposalCommand command, CancellationToken cancellationToken)
+    {
+        if (command.WorkspaceId == Guid.Empty || command.ActorId == Guid.Empty || string.IsNullOrWhiteSpace(command.Manifest) || command.Manifest.Length > 100_000)
+            return OperationResultValue.Failure<Guid>(OperationStatus.ValidationFailed, ["Ongeldig voorstel."]);
+
+        if (!string.IsNullOrWhiteSpace(command.IdempotencyKey))
+        {
+            var existing = await proposals.FindByIdempotencyKeyAsync(command.WorkspaceId, command.IdempotencyKey, cancellationToken);
+            if (existing is not null)
+                return OperationResultValue.Success(existing.Id);
+        }
+
+        var proposal = IngestionProposal.Create(command.WorkspaceId, command.ActorId,
+            string.IsNullOrWhiteSpace(command.CorrelationId) ? "ingestion" : command.CorrelationId,
+            command.Manifest, IngestionProposal.DefaultMaxPublishRetries);
+        if (!string.IsNullOrWhiteSpace(command.IdempotencyKey)) proposal.AssignIdempotencyKey(command.IdempotencyKey);
+        if (command.Publication is not null)
+        {
+            proposal.SetPublication(command.Publication, command.ActorId, timeProvider.GetUtcNow());
+        }
+        proposals.Add(proposal);
+        await proposals.SaveChangesAsync(cancellationToken);
+        return OperationResultValue.Success(proposal.Id);
+    }
+}