62 lines
3.0 KiB
C#
62 lines
3.0 KiB
C#
using QuestionsApi.Models;
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using System.Text.Json;
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namespace QuestionsApi.Services;
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public static class DynamicBlueprintResolver
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{
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private static readonly JsonSerializerOptions Json = new(JsonSerializerDefaults.Web);
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public static List<DynamicQuestionBlueprint> ResolveAll(IEnumerable<DynamicQuestionBlueprint> source)
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{
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var all = source.ToList();
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var resolved = new List<DynamicQuestionBlueprint>();
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foreach (var blueprint in all.OrderBy(value => value.Version))
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{
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if (blueprint.BaseBlueprintVersion <= 0)
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{
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resolved.Add(blueprint);
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continue;
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}
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var baseBlueprint = resolved.FirstOrDefault(value =>
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value.ExternalId == blueprint.ExternalId
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&& value.Version == blueprint.BaseBlueprintVersion)
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?? throw new InvalidDataException(
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$"{blueprint.ExternalId} v{blueprint.Version} base version {blueprint.BaseBlueprintVersion} not found");
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var materialized = Clone(baseBlueprint);
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materialized.Id = null;
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materialized.Version = blueprint.Version;
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materialized.BaseBlueprintVersion = blueprint.BaseBlueprintVersion;
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materialized.QualityStandardVersion = blueprint.QualityStandardVersion;
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materialized.IsPublished = blueprint.IsPublished;
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materialized.CaseFamilies = blueprint.CaseFamilies.Select(overlay =>
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{
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var baseFamily = baseBlueprint.CaseFamilies.FirstOrDefault(value => value.Id == overlay.BaseFamilyId)
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?? throw new InvalidDataException(
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$"{blueprint.ExternalId} v{blueprint.Version} base family {overlay.BaseFamilyId} not found");
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var family = Clone(baseFamily);
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family.Id = overlay.Id;
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family.BaseFamilyId = overlay.BaseFamilyId;
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family.DifficultyTier = overlay.DifficultyTier;
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family.NominalElo = overlay.NominalElo;
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if (!string.IsNullOrWhiteSpace(family.LeadIn)
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&& family.StemTemplate.EndsWith(family.LeadIn, StringComparison.Ordinal))
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family.StemTemplate = family.StemTemplate[..^family.LeadIn.Length].TrimEnd();
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if (!string.IsNullOrWhiteSpace(overlay.StemTemplate))
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family.StemTemplate = $"{family.StemTemplate} {overlay.StemTemplate}".Trim();
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if (!string.IsNullOrWhiteSpace(overlay.LeadIn))
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family.LeadIn = overlay.LeadIn;
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if (overlay.Distractors.Count > 0)
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family.Distractors = overlay.Distractors;
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return family;
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}).ToList();
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resolved.Add(materialized);
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}
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return resolved;
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}
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private static T Clone<T>(T value) =>
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JsonSerializer.Deserialize<T>(JsonSerializer.Serialize(value, Json), Json)
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?? throw new InvalidOperationException("Blueprint clone failed.");
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}
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