117 lines
4.4 KiB
C#
117 lines
4.4 KiB
C#
using System.Data;
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using System.Text;
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using SzCore.DataObjects;
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namespace SzCore;
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public class SzEvaluator
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{
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public SzOperationResult EvaluateDataset(SzDataset dataset)
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{
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if (dataset is null) return new SzOperationResult(false, "Dataset cannot be null");
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var errors = new StringBuilder();
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var template = SZ.SzDataHandler.LoadTemplate<SzDataObjectTemplate>(dataset.DataObjectTemplateId);
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if (template is null) return new SzOperationResult(false, $"Template with id {dataset.DataObjectTemplateId} for Dataset ID {dataset.Id} could not be loaded");
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foreach (var dataObject in dataset.DataObjects.Values)
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{
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var evalResult = EvaluateDataObject(dataObject, template);
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if (!evalResult.Pass) errors.Append(evalResult.Errors);
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}
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var errString = errors.ToString();
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return new SzOperationResult(string.IsNullOrEmpty(errString), errString);
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}
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public SzOperationResult EvaluateDataObject(SzDataObject dataObject, SzDataObjectTemplate template)
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{
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if (dataObject is null || template is null) return new SzOperationResult(false, "dataObject or template is null");
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var errors = new StringBuilder();
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foreach (var (key, templateField) in template.TemplateFields)
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{
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if (!dataObject.Fields.TryGetValue(key, out var matchingField))
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{
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errors.AppendLine($"Missing required field: '{key}'");
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continue;
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}
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var templateMatchResult = DoesFieldMatchTemplateField(matchingField, templateField);
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if (!templateMatchResult.Pass) errors.Append(templateMatchResult.Errors);
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var evalResult = EvaluateFieldValue(matchingField);
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if (!evalResult.Pass) errors.Append(evalResult.Errors);
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}
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foreach (var objectFieldKey in dataObject.Fields.Keys)
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{
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if (!template.TemplateFields.ContainsKey(objectFieldKey))
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{
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errors.AppendLine($"DataObject contains extra field '{objectFieldKey}' not found in template");
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}
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}
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var errString = errors.ToString().Trim();
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return new SzOperationResult(string.IsNullOrEmpty(errString), string.IsNullOrEmpty(errString) ? "" : errString);
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}
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public SzOperationResult DoesFieldMatchTemplateField(SzField field, SzTemplateField templateField)
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{
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var errors = new StringBuilder();
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if (field.Id != templateField.Id) errors.AppendLine($"Field ID mismatch for '{field.Id}': Expected {templateField.Id}");
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if (field.FieldType != templateField.FieldType) errors.AppendLine($"Field '{field.Id}' type mismatch: Expected {templateField.FieldType}, got {field.FieldType}");
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if (field.IsList != templateField.IsList) errors.AppendLine($"Field '{field.Id}' IsList mismatch: Expected {templateField.IsList}");
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var errString = errors.ToString().Trim();
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return new SzOperationResult(string.IsNullOrEmpty(errString), errString);
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}
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public SzOperationResult EvaluateFieldValue(SzField field)
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{
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if (string.IsNullOrWhiteSpace(field.Value))
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return new SzOperationResult(true, "");
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var errors = new StringBuilder();
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switch (field.FieldType)
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{
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case SzFieldType.Text:
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break;
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case SzFieldType.Number:
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if (!float.TryParse(field.Value, out _))
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{
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errors.AppendLine($"Value '{field.Value}' in field '{field.Id}' is not a valid Number");
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}
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break;
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case SzFieldType.Bool:
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if (!bool.TryParse(field.Value, out _))
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{
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errors.AppendLine($"Value '{field.Value}' in field '{field.Id}' is not a valid Boolean");
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}
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break;
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case SzFieldType.Formula:
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errors.AppendLine($"Formula field type is not implemented yet. Field: {field.Id}");
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break;
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case SzFieldType.Reference:
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errors.AppendLine($"Reference field type is not implemented yet. Field: {field.Id}");
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break;
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default:
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errors.AppendLine($"Unsupported FieldType '{field.FieldType}' for field '{field.Id}'");
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break;
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}
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var errString = errors.ToString().Trim();
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return new SzOperationResult(string.IsNullOrEmpty(errString), errString);
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}
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}
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