60 lines
2.3 KiB
C#
60 lines
2.3 KiB
C#
using Dapper;
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using FastEndpoints;
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using Modules.WMS.Picking.Shared;
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using Npgsql;
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using Shared.Problems;
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namespace Modules.WMS.Picking.Start;
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public sealed record StartPickingRequest(long ExpectedVersion);
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public sealed class Endpoint(NpgsqlDataSource dataSource)
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: Endpoint<StartPickingRequest, PickingTaskDto>
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{
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public override void Configure()
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{
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Post("/api/wms/picking/tasks/{taskId:guid}/start");
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Permissions("wms.picking.execute");
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}
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public override async Task HandleAsync(StartPickingRequest req, CancellationToken ct)
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{
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var taskId = Route<Guid>("taskId");
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await using var connection = await dataSource.OpenConnectionAsync(ct);
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await using var tx = await connection.BeginTransactionAsync(ct);
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const string sql = """
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update wms.picking_tasks
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set status = 'IN_PROGRESS',
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started_at = coalesce(started_at, now()),
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version = version + 1,
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updated_at = now()
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where id = @TaskId
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and status = 'READY'
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and version = @ExpectedVersion
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returning version;
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""";
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var version = await connection.QuerySingleOrDefaultAsync<long?>(
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new CommandDefinition(sql, new { TaskId = taskId, req.ExpectedVersion }, tx, cancellationToken: ct));
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if (version is null)
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{
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var current = await connection.QuerySingleOrDefaultAsync<long?>(
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new CommandDefinition("select version from wms.picking_tasks where id=@TaskId", new { TaskId = taskId }, tx, cancellationToken: ct));
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await tx.RollbackAsync(ct);
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await Send.ResponseAsync(KbxConflictProblem.Version(current), 409, cancellation: ct);
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return;
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}
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await connection.ExecuteAsync(new CommandDefinition("""
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insert into audit.entries(id, aggregate_type, aggregate_id, action, actor, occurred_at, data)
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values (@Id, 'WmsPickingTask', @TaskId, 'PickingStarted', @Actor, now(), '{}'::jsonb);
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""", new { Id = Guid.NewGuid(), TaskId = taskId, Actor = User.Identity?.Name ?? "unknown" }, tx, cancellationToken: ct));
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await tx.CommitAsync(ct);
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var task = await PickingTaskQueries.GetAsync(connection, null, taskId, ct);
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await SendOkAsync(task!, ct);
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}
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}
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