Add connection diagnostics and visual field transformation mapping

2026-04-13 11:52:05 +02:00
parent af40d87213
commit ec827a4ce8
12 changed files with 412 additions and 11 deletions
@@ -0,0 +1,92 @@
+using System.Reflection;
+using TrafagSalesExporter.Models;
+
+namespace TrafagSalesExporter.Services;
+
+public class RecordTransformationService
+{
+    private static readonly Dictionary<string, PropertyInfo> PropertyMap = typeof(SalesRecord)
+        .GetProperties(BindingFlags.Public | BindingFlags.Instance)
+        .ToDictionary(p => p.Name, p => p, StringComparer.OrdinalIgnoreCase);
+
+    public void Apply(List<SalesRecord> records, IEnumerable<FieldTransformationRule> rules)
+    {
+        var orderedRules = rules.Where(r => r.IsActive).OrderBy(r => r.SortOrder).ToList();
+        if (orderedRules.Count == 0 || records.Count == 0) return;
+
+        foreach (var record in records)
+        {
+            foreach (var rule in orderedRules)
+            {
+                ApplyRule(record, rule);
+            }
+        }
+    }
+
+    private static void ApplyRule(SalesRecord record, FieldTransformationRule rule)
+    {
+        if (!PropertyMap.TryGetValue(rule.SourceField, out var sourceProp)) return;
+        if (!PropertyMap.TryGetValue(rule.TargetField, out var targetProp)) return;
+
+        var sourceValue = sourceProp.GetValue(record);
+        object? result = rule.TransformationType switch
+        {
+            "Copy" => sourceValue,
+            "Uppercase" => sourceValue?.ToString()?.ToUpperInvariant(),
+            "Lowercase" => sourceValue?.ToString()?.ToLowerInvariant(),
+            "Prefix" => $"{rule.Argument}{sourceValue}",
+            "Suffix" => $"{sourceValue}{rule.Argument}",
+            "Replace" => ApplyReplace(sourceValue?.ToString(), rule.Argument),
+            "Constant" => rule.Argument,
+            _ => sourceValue
+        };
+
+        SetPropertyValue(record, targetProp, result);
+    }
+
+    private static string ApplyReplace(string? input, string? argument)
+    {
+        if (string.IsNullOrEmpty(input)) return string.Empty;
+        if (string.IsNullOrWhiteSpace(argument)) return input;
+
+        var parts = argument.Split("=>", 2, StringSplitOptions.TrimEntries);
+        if (parts.Length != 2) return input;
+        return input.Replace(parts[0], parts[1], StringComparison.OrdinalIgnoreCase);
+    }
+
+    private static void SetPropertyValue(SalesRecord record, PropertyInfo property, object? value)
+    {
+        try
+        {
+            if (property.PropertyType == typeof(string))
+            {
+                property.SetValue(record, value?.ToString() ?? string.Empty);
+                return;
+            }
+
+            if (property.PropertyType == typeof(int))
+            {
+                if (int.TryParse(value?.ToString(), out var parsedInt)) property.SetValue(record, parsedInt);
+                return;
+            }
+
+            if (property.PropertyType == typeof(decimal))
+            {
+                if (decimal.TryParse(value?.ToString(), out var parsedDecimal)) property.SetValue(record, parsedDecimal);
+                return;
+            }
+
+            if (property.PropertyType == typeof(DateTime?) || property.PropertyType == typeof(DateTime))
+            {
+                if (DateTime.TryParse(value?.ToString(), out var parsedDate)) property.SetValue(record, parsedDate);
+                return;
+            }
+
+            property.SetValue(record, value);
+        }
+        catch
+        {
+            // skip invalid conversion to keep export running
+        }
+    }
+}