Add Start and End time to ProductPart

src/Modules/OrchardCore.Commerce/Indexes/ProductPartIndex.cs

@@ -1,6 +1,7 @@
 using OrchardCore.Commerce.Abstractions.Abstractions;
 using OrchardCore.Commerce.Models;
 using OrchardCore.ContentManagement;
+using System;
 using YesSql.Indexes;
 
 namespace OrchardCore.Commerce.Indexes;
@@ -9,6 +10,8 @@ public class ProductPartIndex : MapIndex, ISkuHolder
 {
     public string ContentItemId { get; set; }
     public string Sku { get; set; }
+    public DateTime? StartTimeUtc { get; set; }
+    public DateTime? EndTimeUtc { get; set; }
 }
 
 /// <summary>
@@ -36,6 +39,8 @@ public override void Describe(DescribeContext<ContentItem> context) =>
                 {
                     Sku = productPart.Sku.ToUpperInvariant(),
                     ContentItemId = contentItem.ContentItemId,
+                    StartTimeUtc = productPart.StartTimeUtc?.Value,
+                    EndTimeUtc = productPart.EndTimeUtc?.Value,
                 };
             });
 }

src/Modules/OrchardCore.Commerce/Migrations/ProductMigrations.cs

@@ -2,6 +2,7 @@
 using OrchardCore.Commerce.Models;
 using OrchardCore.ContentManagement.Metadata;
 using OrchardCore.ContentManagement.Metadata.Settings;
+using OrchardCore.ContentFields.Settings;
 using OrchardCore.Data.Migration;
 using OrchardCore.Media.Fields;
 using OrchardCore.Media.Settings;
@@ -54,4 +55,46 @@ await _contentDefinitionManager
                     .WithSettings(new MediaFieldSettings { Multiple = false })));
         return 2;
     }
+
+    public async Task<int> UpdateFrom2Async()
+    {
+        await SchemaBuilder
+            .AlterTableAsync(nameof(ProductPartIndex), table => {
+                table.AddColumn<System.DateTime?>(nameof(ProductPartIndex.StartTimeUtc));
+                table.AddColumn<System.DateTime?>(nameof(ProductPartIndex.EndTimeUtc));
+            });
+
+        await SchemaBuilder
+            .AlterTableAsync(nameof(ProductPartIndex), table => table
+                .CreateIndex(
+                    $"IDX_{nameof(ProductPartIndex)}_TimeBased",
+                    new[] 
+                    { 
+                        nameof(ProductPartIndex.StartTimeUtc),
+                        nameof(ProductPartIndex.EndTimeUtc)
+                    }));
+
+        return 3;
+    }
+
+    public async Task<int> UpdateFrom3Async()
+    {
+        // Add DateTimeField fields to ProductPart for UI editing
+        await _contentDefinitionManager
+            .AlterPartDefinitionAsync<ProductPart>(builder => builder
+                .WithField(part => part.StartTimeUtc, field => field
+                    .WithDisplayName("Product Start Time")
+                    .WithSettings(new DateTimeFieldSettings
+                    {
+                        Hint = "The date and time (UTC) from which the product becomes visible and available for purchase. Leave empty for immediate availability.",
+                    }))
+                .WithField(part => part.EndTimeUtc, field => field
+                    .WithDisplayName("Product End Time")
+                    .WithSettings(new DateTimeFieldSettings
+                    {
+                        Hint = "The date and time (UTC) until which the product remains visible and available for purchase. Leave empty for indefinite availability.",
+                    })));
+
+        return 4;
+    }
 }

src/Modules/OrchardCore.Commerce/Models/ProductPart.cs

@@ -1,6 +1,7 @@
 using OrchardCore.Commerce.Abstractions.Abstractions;
 using OrchardCore.Commerce.Inventory.Models;
 using OrchardCore.ContentManagement;
+using OrchardCore.ContentFields.Fields;
 using OrchardCore.Media.Fields;
 using System.Collections.Generic;
 
@@ -26,4 +27,16 @@ public class ProductPart : ContentPart, ISkuHolderContent
     /// Gets or sets the image associated with this product, which will be displayed on the product's page.
     /// </summary>
     public MediaField ProductImage { get; set; }
+
+    /// <summary>
+    /// Gets or sets the date and time (UTC) from which the product becomes visible and available for purchase.
+    /// If null, the product is visible immediately.
+    /// </summary>
+    public DateTimeField StartTimeUtc { get; set; } = new();
+
+    /// <summary>
+    /// Gets or sets the date and time (UTC) until which the product remains visible and available for purchase.
+    /// If null, the product remains visible indefinitely.
+    /// </summary>
+    public DateTimeField EndTimeUtc { get; set; } = new();
 }

src/Modules/OrchardCore.Commerce/Services/ProductListService.cs

@@ -1,6 +1,8 @@
+using OrchardCore.Commerce.Indexes;
 using OrchardCore.Commerce.Models;
 using OrchardCore.ContentManagement;
 using OrchardCore.ContentManagement.Metadata;
+using OrchardCore.ContentManagement.Metadata.Records;
 using OrchardCore.ContentManagement.Records;
 using System;
 using System.Collections.Generic;
@@ -41,6 +43,12 @@ public async Task<ProductList> GetProductsAsync(ProductListPart productList, Pro
 
         var query = _session.Query<ContentItem>();
         query = query.With<ContentItemIndex>(index => index.ContentType.IsIn(productTypes) && index.Published);
+
+        // Filter products by start and end time
+        var utcNow = DateTime.UtcNow;
+        query = query.With<ProductPartIndex>(index =>
+            (index.StartTimeUtc == null || index.StartTimeUtc <= utcNow) &&
+            (index.EndTimeUtc == null || index.EndTimeUtc >= utcNow));
 
         var context = new ProductListFilterContext
         {

src/Modules/OrchardCore.Commerce/Services/ProductService.cs

@@ -40,8 +40,12 @@ public virtual async Task<IEnumerable<ProductPart>> GetProductsAsync(IEnumerable
     {
         var trimmedSkus = skus.Select(sku => sku.Split('-')[0]);
 
+        var utcNow = DateTime.UtcNow;
         var contentItemIds = (await _session
-                .QueryIndex<ProductPartIndex>(index => index.Sku.IsIn(trimmedSkus))
+                .QueryIndex<ProductPartIndex>(index =>
+                    index.Sku.IsIn(trimmedSkus) &&
+                    (index.StartTimeUtc == null || index.StartTimeUtc <= utcNow) &&
+                    (index.EndTimeUtc == null || index.EndTimeUtc >= utcNow))
                 .ListAsync())
             .Select(idx => idx.ContentItemId)
             .Distinct();