Added BuyWindows to Session models as computed fields

HockeyPickup.Api.Tests/ModelTests/SessionResponseTest.cs

@@ -0,0 +1,78 @@
+using HockeyPickup.Api.Models.Responses;
+
+namespace HockeyPickup.Api.Tests.ModelTests;
+
+public class SessionDetailedResponseTests
+{
+    [Fact]
+    public void BuyWindow_ShouldReturnCorrectDateTime()
+    {
+        // Arrange
+        var sessionDate = new DateTime(2025, 2, 25, 7, 30, 0);
+        var buyDayMinimum = 6;
+        var expectedBuyWindow = new DateTime(2025, 2, 19, 9, 30, 0);
+
+        var session = new SessionDetailedResponse
+        {
+            SessionId = 1,
+            CreateDateTime = DateTime.Now,
+            UpdateDateTime = DateTime.Now,
+            SessionDate = sessionDate,
+            BuyDayMinimum = buyDayMinimum
+        };
+
+        // Act
+        var actualBuyWindow = session.BuyWindow;
+
+        // Assert
+        Assert.Equal(expectedBuyWindow, actualBuyWindow);
+    }
+
+    [Fact]
+    public void BuyWindowPreferred_ShouldReturnCorrectDateTime()
+    {
+        // Arrange
+        var sessionDate = new DateTime(2025, 2, 25, 7, 30, 0);
+        var buyDayMinimum = 6;
+        var expectedBuyWindowPreferred = new DateTime(2025, 2, 18, 9, 30, 0);
+
+        var session = new SessionDetailedResponse
+        {
+            SessionId = 1,
+            CreateDateTime = DateTime.Now,
+            UpdateDateTime = DateTime.Now,
+            SessionDate = sessionDate,
+            BuyDayMinimum = buyDayMinimum
+        };
+
+        // Act
+        var actualBuyWindowPreferred = session.BuyWindowPreferred;
+
+        // Assert
+        Assert.Equal(expectedBuyWindowPreferred, actualBuyWindowPreferred);
+    }
+
+    [Fact]
+    public void BuyWindowPreferredPlus_ShouldReturnCorrectDateTime()
+    {
+        // Arrange
+        var sessionDate = new DateTime(2025, 2, 25, 7, 30, 0);
+        var buyDayMinimum = 6;
+        var expectedBuyWindowPreferredPlus = new DateTime(2025, 2, 18, 9, 25, 0);
+
+        var session = new SessionDetailedResponse
+        {
+            SessionId = 1,
+            CreateDateTime = DateTime.Now,
+            UpdateDateTime = DateTime.Now,
+            SessionDate = sessionDate,
+            BuyDayMinimum = buyDayMinimum
+        };
+
+        // Act
+        var actualBuyWindowPreferredPlus = session.BuyWindowPreferredPlus;
+
+        // Assert
+        Assert.Equal(expectedBuyWindowPreferredPlus, actualBuyWindowPreferredPlus);
+    }
+}

HockeyPickup.Api/Models/Responses/SessionResponse.cs

@@ -78,6 +78,30 @@ public class SessionBasicResponse
 [GraphQLName("SessionDetailed")]
 public class SessionDetailedResponse : SessionBasicResponse
 {
+    [Description("Buy window for the session")]
+    [DataType(DataType.DateTime)]
+    [JsonPropertyName("BuyWindow")]
+    [JsonProperty(nameof(BuyWindow))]
+    [GraphQLName("BuyWindow")]
+    [GraphQLDescription("Buy window for the session")]
+    public DateTime BuyWindow => SessionDate.AddDays(-BuyDayMinimum.GetValueOrDefault()).AddHours(2);
+
+    [Description("Buy window for preferred users")]
+    [DataType(DataType.DateTime)]
+    [JsonPropertyName("BuyWindowPreferred")]
+    [JsonProperty(nameof(BuyWindowPreferred))]
+    [GraphQLName("BuyWindowPreferred")]
+    [GraphQLDescription("Buy window for preferred users")]
+    public DateTime BuyWindowPreferred => SessionDate.AddDays(-BuyDayMinimum.GetValueOrDefault() - 1).AddHours(2);
+
+    [Description("Buy window for preferred plus users")]
+    [DataType(DataType.DateTime)]
+    [JsonPropertyName("BuyWindowPreferredPlus")]
+    [JsonProperty(nameof(BuyWindowPreferredPlus))]
+    [GraphQLName("BuyWindowPreferredPlus")]
+    [GraphQLDescription("Buy window for preferred plus users")]
+    public DateTime BuyWindowPreferredPlus => SessionDate.AddDays(-BuyDayMinimum.GetValueOrDefault() - 1).AddHours(2).AddMinutes(-5);
+
     [Description("Buy/sell transactions associated with the session")]
     [JsonPropertyName("BuySells")]
     [JsonProperty(nameof(BuySells))]