Complete coupon entities design.

plugins/Coupons/src/EasyAbp.EShop.Plugins.Coupons.Domain.Shared/EasyAbp/EShop/Plugins/Coupons/CouponTemplates/CouponType.cs

@@ -0,0 +1,24 @@
+namespace EasyAbp.EShop.Plugins.Coupons.CouponTemplates
+{
+    public enum CouponType
+    {
+        /// <summary>
+        /// Discount once if the condition is met.
+        /// e.g. arrange ConditionAmount = 300 and DiscountAmount = 20.
+        /// If the price of a product is 300, the actual order price will be discounted by 20.
+        /// </summary>
+        Normal = 1,
+        
+        /// <summary>
+        /// Discount every time the condition is met.
+        /// e.g. arrange ConditionAmount = 300 and DiscountAmount = 20.
+        /// If the price of a product is 300, the actual order price will be discounted by 60.
+        /// </summary>
+        PerMeet = 2,
+        
+        /// <summary>
+        /// A type of coupon with custom usage rules.
+        /// </summary>
+        Custom = 4
+    }
+}

plugins/Coupons/src/EasyAbp.EShop.Plugins.Coupons.Domain/EasyAbp.EShop.Plugins.Coupons.Domain.csproj

@@ -9,6 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Volo.Abp.Ddd.Domain" Version="3.1.2" />
+    <ProjectReference Include="..\..\..\..\modules\EasyAbp.EShop.Stores\src\EasyAbp.EShop.Stores.Domain.Shared\EasyAbp.EShop.Stores.Domain.Shared.csproj" />
     <ProjectReference Include="..\EasyAbp.EShop.Plugins.Coupons.Domain.Shared\EasyAbp.EShop.Plugins.Coupons.Domain.Shared.csproj" />
   </ItemGroup>
 

plugins/Coupons/src/EasyAbp.EShop.Plugins.Coupons.Domain/EasyAbp/EShop/Plugins/Coupons/CouponTemplates/CouponTemplate.cs

@@ -1,4 +1,6 @@
 using System;
+using System.Collections.Generic;
+using JetBrains.Annotations;
 using Volo.Abp.Domain.Entities.Auditing;
 using Volo.Abp.MultiTenancy;
 
@@ -7,5 +9,51 @@ namespace EasyAbp.EShop.Plugins.Coupons.CouponTemplates
     public class CouponTemplate : FullAuditedAggregateRoot<Guid>, IMultiTenant
     {
         public virtual Guid? TenantId { get; protected set; }
+    
+        /// <summary>
+        /// If it is set to null, only cross-store admin users can manage this template.
+        /// It is not about the coupon usage scope, but the StoreId property of Scopes should be same as it if it not null.
+        /// </summary>
+        public virtual Guid? StoreId { get; protected set; }
+
+        public virtual CouponType CouponType { get; protected set; }
+
+        [CanBeNull]
+        public virtual string UniqueName { get; protected set; }
+        
+        [NotNull]
+        public virtual string DisplayName { get; protected set; }
+        
+        [CanBeNull]
+        public virtual string Description { get; protected set; }
+        
+        /// <summary>
+        /// If both the UsableDuration and the UsableEndTime have values, the earlier time is preferred.
+        /// </summary>
+        public virtual TimeSpan? UsableDuration { get; protected set; }
+        
+        public virtual DateTime? UsableBeginTime { get; protected set; }
+        
+        /// <summary>
+        /// If both the UsableDuration and the UsableEndTime have values, the earlier time is preferred.
+        /// </summary>
+        public virtual DateTime? UsableEndTime { get; protected set; }
+        
+        public virtual decimal ConditionAmount { get; protected set; }
+        
+        public virtual decimal DiscountAmount { get; protected set; }
+        
+        /// <summary>
+        /// If it is set to true, the coupon can be used when the total price of all the order lines in the order
+        /// with products in scope is greater than or equal to ConditionAmount.
+        /// </summary>
+        public virtual bool IsCrossProductAllowed { get; protected set; }
+
+        /// <summary>
+        /// The coupon can be used for any product of any store if this property is set to true.
+        /// </summary>
+        public virtual bool IsUnscoped { get; protected set; }
+        
+        public virtual List<CouponTemplateScope> Scopes { get; protected set; }
     }
 }

plugins/Coupons/src/EasyAbp.EShop.Plugins.Coupons.Domain/EasyAbp/EShop/Plugins/Coupons/CouponTemplates/CouponTemplateProduct.cs

@@ -1,9 +0,0 @@
-using System;
-using Volo.Abp.Domain.Entities.Auditing;
-
-namespace EasyAbp.EShop.Plugins.Coupons.CouponTemplates
-{
-    public class CouponTemplateProduct : FullAuditedEntity<Guid>
-    {
-    }
-}

plugins/Coupons/src/EasyAbp.EShop.Plugins.Coupons.Domain/EasyAbp/EShop/Plugins/Coupons/CouponTemplates/CouponTemplateScope.cs

@@ -0,0 +1,21 @@
+using System;
+using EasyAbp.EShop.Stores.Stores;
+using Volo.Abp.Domain.Entities.Auditing;
+
+namespace EasyAbp.EShop.Plugins.Coupons.CouponTemplates
+{
+    public class CouponTemplateScope : FullAuditedEntity<Guid>, IMultiStore
+    {
+        public virtual Guid StoreId { get; protected set; }
+
+        /// <summary>
+        /// If this property is set to null, the coupon can be used for all products in the store.
+        /// </summary>
+        public virtual Guid? ProductId { get; protected set; }
+        
+        /// <summary>
+        /// If this property is set to null, the coupon can be used for all SKUs in the product.
+        /// </summary>
+        public virtual Guid? ProductSkuId { get; protected set; }
+    }
+}

plugins/Coupons/src/EasyAbp.EShop.Plugins.Coupons.Domain/EasyAbp/EShop/Plugins/Coupons/Coupons/Coupon.cs

@@ -7,5 +7,19 @@ namespace EasyAbp.EShop.Plugins.Coupons.Coupons
     public class Coupon : FullAuditedAggregateRoot<Guid>, IMultiTenant
     {
         public virtual Guid? TenantId { get; protected set; }
+        
+        public virtual Guid CouponTemplateId { get; protected set; }
+        
+        public virtual Guid UserId { get; protected set; }
+        
+        public virtual Guid? OrderId { get; protected set; }
+        
+        public virtual DateTime? UsableBeginTime { get; protected set; }
+        
+        public virtual DateTime? UsableEndTime { get; protected set; }
+        
+        public virtual DateTime? UsedTime { get; protected set; }
+        
+        public virtual decimal? DiscountedAmount { get; protected set; }
     }
 }

plugins/Coupons/src/EasyAbp.EShop.Plugins.Coupons.Domain/EasyAbp/EShop/Plugins/Coupons/EShopPluginsCouponsDomainModule.cs

@@ -1,11 +1,13 @@
-using Volo.Abp.Domain;
+using EasyAbp.EShop.Stores;
+using Volo.Abp.Domain;
 using Volo.Abp.Modularity;
 
 namespace EasyAbp.EShop.Plugins.Coupons
 {
     [DependsOn(
         typeof(AbpDddDomainModule),
-        typeof(EShopPluginsCouponsDomainSharedModule)
+        typeof(EShopPluginsCouponsDomainSharedModule),
+        typeof(EShopStoresDomainSharedModule)
     )]
     public class EShopPluginsCouponsDomainModule : AbpModule
     {