wehub-resource-sync
105 lines
4.5 KiB
C#
105 lines
4.5 KiB
C#
using System.Text.Json;
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using Microsoft.Extensions.Logging;
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internal static class BeautifulChatA2ui
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{
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internal static object BuildA2uiResponseFromContent(string? content, string errorId, ILogger logger)
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{
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ArgumentNullException.ThrowIfNull(errorId);
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ArgumentNullException.ThrowIfNull(logger);
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if (string.IsNullOrEmpty(content))
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{
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logger.LogError("GenerateA2ui (errorId={ErrorId}): content was null or empty", errorId);
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return StructuredError("empty_llm_output", "Model returned no text content", "Retry or check model availability", errorId);
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}
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JsonDocument? jsonDoc;
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try
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{
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jsonDoc = JsonDocument.Parse(content);
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}
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catch (JsonException ex)
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{
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logger.LogError(ex, "GenerateA2ui (errorId={ErrorId}): LLM returned malformed JSON", errorId);
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return StructuredError("malformed_llm_output", "The UI generator produced output that was not valid JSON.", "Ask the user to rephrase their request; the model sometimes adds explanatory text around the JSON.", errorId);
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}
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using (jsonDoc)
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{
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try
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{
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var args = jsonDoc.RootElement;
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if (args.ValueKind != JsonValueKind.Object)
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{
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logger.LogError("GenerateA2ui (errorId={ErrorId}): LLM output was JSON but not an object (kind={Kind})", errorId, args.ValueKind);
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return StructuredError("malformed_llm_output", "The UI generator output was JSON but not the expected object shape.", "Retry or adjust the prompt.", errorId);
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}
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var surfaceId = args.TryGetProperty("surfaceId", out var sid)
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? sid.GetString() ?? "dynamic-surface"
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: "dynamic-surface";
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var catalogId = args.TryGetProperty("catalogId", out var cid)
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? cid.GetString() ?? "copilotkit://app-dashboard-catalog"
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: "copilotkit://app-dashboard-catalog";
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if (!args.TryGetProperty("components", out var componentsElement) ||
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componentsElement.ValueKind != JsonValueKind.Array)
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{
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logger.LogError("GenerateA2ui (errorId={ErrorId}): LLM output missing 'components' array", errorId);
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return StructuredError("malformed_llm_output", "The UI generator output did not include a components array.", "Retry the request.", errorId);
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}
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var operations = new List<object>
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{
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new { version = "v0.9", createSurface = new { surfaceId, catalogId } },
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new
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{
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version = "v0.9",
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updateComponents = new
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{
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surfaceId,
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components = JsonSerializer.Deserialize<object[]>(componentsElement.GetRawText()),
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},
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},
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};
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if (args.TryGetProperty("data", out var dataElement) && dataElement.ValueKind != JsonValueKind.Null)
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{
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operations.Add(new
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{
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version = "v0.9",
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updateDataModel = new
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{
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surfaceId,
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path = "/",
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value = JsonSerializer.Deserialize<object>(dataElement.GetRawText()),
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},
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});
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}
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return new { a2ui_operations = operations };
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}
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catch (JsonException ex)
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{
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logger.LogError(ex, "GenerateA2ui (errorId={ErrorId}): shape deserialization failed", errorId);
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return StructuredError("malformed_llm_output", "The UI generator output did not match the expected structure.", "Retry the request.", errorId);
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}
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catch (ArgumentException ex)
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{
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logger.LogError(ex, "GenerateA2ui (errorId={ErrorId}): argument validation failed", errorId);
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return StructuredError("invalid_argument", "One of the arguments was invalid.", "Check the request shape and retry.", errorId);
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}
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}
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}
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internal static object StructuredError(string category, string message, string remediation, string errorId) =>
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new
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{
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error = category,
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message,
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remediation,
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errorId,
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};
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}
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