Init

Prefab.Catalog/Domain/Entities/Attributes.cs

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+using Prefab.Catalog.Domain.Events;
+using Prefab.Domain.Common;
+
+namespace Prefab.Catalog.Domain.Entities;
+
+public enum AttributeDataType
+{
+    Text = 1,
+    Number = 3,
+    Boolean = 4,
+    Enum = 5
+}
+
+public class AttributeDefinition : EntityWithAuditAndStatus<Guid>
+{
+    private AttributeDefinition()
+    {
+    }
+
+    public string Name { get; private set; } = string.Empty;
+
+    public AttributeDataType DataType { get; private set; }
+
+    public string? Unit { get; private set; }
+
+    public static AttributeDefinition Create(string name, AttributeDataType dataType, string? unit = null)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(name);
+
+        var definition = new AttributeDefinition
+        {
+            Id = Guid.NewGuid(),
+            Name = name.Trim(),
+            DataType = dataType,
+            Unit = string.IsNullOrWhiteSpace(unit) ? null : unit.Trim()
+        };
+
+        definition.AddEvent(new AttributeDefinitionCreated(definition.Id, definition.Name, definition.DataType));
+        return definition;
+    }
+}
+
+public class ProductAttributeValue : EntityWithAuditAndStatus<Guid>
+{
+    private ProductAttributeValue()
+    {
+    }
+
+    public Guid ProductId { get; internal set; }
+
+    public Product Product { get; internal set; } = null!;
+
+    public Guid AttributeDefinitionId { get; internal set; }
+
+    public AttributeDefinition AttributeDefinition { get; internal set; } = null!;
+
+    public string? Value { get; internal set; }
+
+    public decimal? NumericValue { get; internal set; }
+
+    public string? UnitCode { get; internal set; }
+
+    public string? EnumCode { get; internal set; }
+
+    internal static ProductAttributeValue Create(
+        Guid productId,
+        Guid attributeDefinitionId,
+        string? value,
+        decimal? numericValue,
+        string? unitCode,
+        string? enumCode)
+    {
+        return new ProductAttributeValue
+        {
+            Id = Guid.NewGuid(),
+            ProductId = productId,
+            AttributeDefinitionId = attributeDefinitionId,
+            Value = value,
+            NumericValue = numericValue,
+            UnitCode = unitCode,
+            EnumCode = enumCode
+        };
+    }
+}