Implement Inventory Management Service with CRUD operations for warehouses and inventory items, stock operations, and bulk processing capabilities.
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using CMSMicroservice.Domain.Entities;
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using CMSMicroservice.Domain.Entities.DiscountShop;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Metadata.Builders;
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namespace CMSMicroservice.Infrastructure.Persistence.Configurations;
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/// <summary>
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/// تنظیمات Entity Framework برای موجودی کالا
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/// </summary>
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public class InventoryItemConfiguration : IEntityTypeConfiguration<InventoryItem>
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{
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public void Configure(EntityTypeBuilder<InventoryItem> builder)
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{
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// ========== تنظیمات پایه ==========
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builder.HasQueryFilter(i => !i.IsDeleted);
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builder.Ignore(entity => entity.DomainEvents);
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builder.HasKey(entity => entity.Id);
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builder.Property(entity => entity.Id).UseIdentityColumn();
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// ========== فیلدهای اصلی ==========
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builder.Property(e => e.ProductType)
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.IsRequired()
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.HasConversion<int>();
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builder.Property(e => e.Quantity)
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.IsRequired()
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.HasDefaultValue(0);
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builder.Property(e => e.ReservedQuantity)
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.IsRequired()
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.HasDefaultValue(0);
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// ========== تنظیمات انبار ==========
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builder.Property(e => e.LowStockThreshold)
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.IsRequired()
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.HasDefaultValue(10);
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builder.Property(e => e.ReorderPoint)
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.IsRequired()
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.HasDefaultValue(5);
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builder.Property(e => e.MaxStockLevel)
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.IsRequired()
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.HasDefaultValue(1000);
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// ========== تاریخها ==========
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builder.Property(e => e.LastRestockedAt)
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.IsRequired(false);
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builder.Property(e => e.LastSoldAt)
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.IsRequired(false);
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// ========== انبار ==========
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builder.Property(e => e.WarehouseId)
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.IsRequired()
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.HasDefaultValue(1);
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// ========== روابط ==========
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// رابطه با Product (اختیاری)
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builder.HasOne(e => e.Product)
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.WithMany()
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.HasForeignKey(e => e.ProductId)
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.IsRequired(false)
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.OnDelete(DeleteBehavior.Cascade);
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// رابطه با DiscountProduct (اختیاری)
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builder.HasOne(e => e.DiscountProduct)
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.WithMany()
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.HasForeignKey(e => e.DiscountProductId)
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.IsRequired(false)
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.OnDelete(DeleteBehavior.Cascade);
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// رابطه با Warehouse
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builder.HasOne(e => e.Warehouse)
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.WithMany(w => w.InventoryItems)
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.HasForeignKey(e => e.WarehouseId)
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.IsRequired()
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.OnDelete(DeleteBehavior.Restrict);
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// ========== Index ها ==========
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// Index روی ProductId برای جستجوی سریع محصولات معمولی
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builder.HasIndex(e => e.ProductId)
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.HasDatabaseName("IX_InventoryItems_ProductId");
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// Index روی DiscountProductId برای جستجوی سریع محصولات تخفیفی
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builder.HasIndex(e => e.DiscountProductId)
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.HasDatabaseName("IX_InventoryItems_DiscountProductId");
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// Index ترکیبی روی ProductType و Quantity برای گزارشگیری
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builder.HasIndex(e => new { e.ProductType, e.Quantity })
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.HasDatabaseName("IX_InventoryItems_ProductType_Quantity");
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// Index ساده روی WarehouseId برای انبار
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builder.HasIndex(e => e.WarehouseId)
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.HasDatabaseName("IX_InventoryItems_WarehouseId");
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// ========== محدودیتها ==========
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// محدودیت: یا ProductId یا DiscountProductId باید پر باشد (نه هر دو، نه هیچکدام)
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builder.HasCheckConstraint("CK_InventoryItem_ProductReference",
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"(ProductId IS NOT NULL AND DiscountProductId IS NULL) OR (ProductId IS NULL AND DiscountProductId IS NOT NULL)");
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// محدودیت: ProductType باید با نوع محصول مطابقت داشته باشد
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builder.HasCheckConstraint("CK_InventoryItem_ProductType_Match",
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"(ProductType = 1 AND ProductId IS NOT NULL) OR (ProductType = 2 AND DiscountProductId IS NOT NULL)");
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// محدودیت: موجودی نمیتواند منفی باشد
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builder.HasCheckConstraint("CK_InventoryItem_Quantity_NonNegative",
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"Quantity >= 0");
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// محدودیت: موجودی رزرو شده نمیتواند منفی باشد
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builder.HasCheckConstraint("CK_InventoryItem_ReservedQuantity_NonNegative",
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"ReservedQuantity >= 0");
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// محدودیت: موجودی رزرو شده نمیتواند بیشتر از موجودی کل باشد
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builder.HasCheckConstraint("CK_InventoryItem_ReservedQuantity_LessOrEqualQuantity",
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"ReservedQuantity <= Quantity");
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}
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}
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