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✨ Subscription gifts

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This commit is contained in:
LittleSheep
2025-10-03 14:36:27 +08:00
parent a93b633e84
commit fa24f14c05
18 changed files with 5273 additions and 537 deletions
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270
DysonNetwork.Shared/Models/Subscription.cs
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@@ -58,6 +58,185 @@ public record class SubscriptionTypeData(
};
}
/// <summary>
/// Represents a gifted subscription that can be claimed by another user.
/// Support both direct gifts (to specific users) and open gifts (anyone can redeem via link/code).
/// </summary>
[Index(nameof(GiftCode))]
[Index(nameof(GifterId))]
[Index(nameof(RecipientId))]
public class SnWalletGift : ModelBase
{
public Guid Id { get; set; } = Guid.NewGuid();
/// <summary>
/// The user who purchased/gave the gift.
/// </summary>
public Guid GifterId { get; set; }
public SnAccount Gifter { get; set; } = null!;
/// <summary>
/// The intended recipient. Null for open gifts that anyone can redeem.
/// </summary>
public Guid? RecipientId { get; set; }
public SnAccount? Recipient { get; set; }
/// <summary>
/// Unique redemption code/link identifier for the gift.
/// </summary>
[MaxLength(128)]
public string GiftCode { get; set; } = null!;
/// <summary>
/// Optional custom message from the gifter.
/// </summary>
[MaxLength(1000)]
public string? Message { get; set; }
/// <summary>
/// The subscription type being gifted.
/// </summary>
[MaxLength(4096)]
public string SubscriptionIdentifier { get; set; } = null!;
/// <summary>
/// The original price before any discounts.
/// </summary>
public decimal BasePrice { get; set; }
/// <summary>
/// The final price paid after discounts.
/// </summary>
public decimal FinalPrice { get; set; }
/// <summary>
/// Current status of the gift.
/// </summary>
public GiftStatus Status { get; set; } = GiftStatus.Created;
/// <summary>
/// When the gift was redeemed. Null if not yet redeemed.
/// </summary>
public Instant? RedeemedAt { get; set; }
/// <summary>
/// The user who redeemed the gift (if different from recipient).
/// </summary>
public Guid? RedeemerId { get; set; }
public SnAccount? Redeemer { get; set; }
/// <summary>
/// The subscription created when the gift is redeemed.
/// </summary>
public SnWalletSubscription? Subscription { get; set; }
/// <summary>
/// When the gift expires and can no longer be redeemed.
/// </summary>
public Instant ExpiresAt { get; set; }
/// <summary>
/// Whether this gift can be redeemed by anyone (open gift) or only the specified recipient.
/// </summary>
public bool IsOpenGift { get; set; }
/// <summary>
/// Payment method used by the gifter.
/// </summary>
[MaxLength(4096)]
public string PaymentMethod { get; set; } = null!;
[Column(TypeName = "jsonb")]
public SnPaymentDetails PaymentDetails { get; set; } = null!;
/// <summary>
/// Coupon used for the gift purchase.
/// </summary>
public Guid? CouponId { get; set; }
public SnWalletCoupon? Coupon { get; set; }
/// <summary>
/// Checks if the gift can still be redeemed.
/// </summary>
[NotMapped]
public bool IsRedeemable
{
get
{
if (Status != GiftStatus.Sent) return false;
var now = SystemClock.Instance.GetCurrentInstant();
return now <= ExpiresAt;
}
}
/// <summary>
/// Checks if the gift has expired.
/// </summary>
[NotMapped]
public bool IsExpired
{
get
{
if (Status == GiftStatus.Redeemed || Status == GiftStatus.Cancelled) return false;
var now = SystemClock.Instance.GetCurrentInstant();
return now > ExpiresAt;
}
}
// TODO: Uncomment once protobuf files are regenerated
/*
public Proto.Gift ToProtoValue() => new()
{
Id = Id.ToString(),
GifterId = GifterId.ToString(),
RecipientId = RecipientId?.ToString(),
GiftCode = GiftCode,
Message = Message,
SubscriptionIdentifier = SubscriptionIdentifier,
BasePrice = BasePrice.ToString(CultureInfo.InvariantCulture),
FinalPrice = FinalPrice.ToString(CultureInfo.InvariantCulture),
Status = (Proto.GiftStatus)Status,
RedeemedAt = RedeemedAt?.ToTimestamp(),
RedeemerId = RedeemerId?.ToString(),
SubscriptionId = SubscriptionId?.ToString(),
ExpiresAt = ExpiresAt.ToTimestamp(),
IsOpenGift = IsOpenGift,
PaymentMethod = PaymentMethod,
PaymentDetails = PaymentDetails.ToProtoValue(),
CouponId = CouponId?.ToString(),
Coupon = Coupon?.ToProtoValue(),
IsRedeemable = IsRedeemable,
IsExpired = IsExpired,
CreatedAt = CreatedAt.ToTimestamp(),
UpdatedAt = UpdatedAt.ToTimestamp()
};
public static SnWalletGift FromProtoValue(Proto.Gift proto) => new()
{
Id = Guid.Parse(proto.Id),
GifterId = Guid.Parse(proto.GifterId),
RecipientId = proto.HasRecipientId ? Guid.Parse(proto.RecipientId) : null,
GiftCode = proto.GiftCode,
Message = proto.Message,
SubscriptionIdentifier = proto.SubscriptionIdentifier,
BasePrice = decimal.Parse(proto.BasePrice),
FinalPrice = decimal.Parse(proto.FinalPrice),
Status = (GiftStatus)proto.Status,
RedeemedAt = proto.RedeemedAt?.ToInstant(),
RedeemerId = proto.HasRedeemerId ? Guid.Parse(proto.RedeemerId) : null,
SubscriptionId = proto.HasSubscriptionId ? Guid.Parse(proto.SubscriptionId) : null,
ExpiresAt = proto.ExpiresAt.ToInstant(),
IsOpenGift = proto.IsOpenGift,
PaymentMethod = proto.PaymentMethod,
PaymentDetails = SnPaymentDetails.FromProtoValue(proto.PaymentDetails),
CouponId = proto.HasCouponId ? Guid.Parse(proto.CouponId) : null,
Coupon = proto.Coupon is not null ? SnWalletCoupon.FromProtoValue(proto.Coupon) : null,
CreatedAt = proto.CreatedAt.ToInstant(),
UpdatedAt = proto.UpdatedAt.ToInstant()
};
*/
}
public abstract class SubscriptionType
{
/// <summary>
@@ -99,11 +278,24 @@ public enum SubscriptionStatus
Cancelled
}
public enum GiftStatus
{
Created = 0,
Sent = 1,
Redeemed = 2,
Expired = 3,
Cancelled = 4
}
/// <summary>
/// The subscription is for the Stellar Program in most cases.
/// The paid subscription in another word.
/// </summary>
[Index(nameof(Identifier))]
[Index(nameof(AccountId))]
[Index(nameof(Status))]
[Index(nameof(AccountId), nameof(Identifier))]
[Index(nameof(AccountId), nameof(IsActive))]
public class SnWalletSubscription : ModelBase
{
public Guid Id { get; set; } = Guid.NewGuid();
@@ -142,40 +334,51 @@ public class SnWalletSubscription : ModelBase
public Guid AccountId { get; set; }
public SnAccount Account { get; set; } = null!;
/// <summary>
/// If this subscription was redeemed from a gift, this references the gift record.
/// </summary>
public Guid? GiftId { get; set; }
public SnWalletGift? Gift { get; set; }
[NotMapped]
public bool IsAvailable
{
get
{
if (!IsActive) return false;
var now = SystemClock.Instance.GetCurrentInstant();
if (BegunAt > now) return false;
if (EndedAt.HasValue && now > EndedAt.Value) return false;
if (RenewalAt.HasValue && now > RenewalAt.Value) return false;
if (Status != SubscriptionStatus.Active) return false;
return true;
}
get => IsAvailableAt(SystemClock.Instance.GetCurrentInstant());
}
[NotMapped]
public decimal FinalPrice
{
get
{
if (IsFreeTrial) return 0;
if (Coupon == null) return BasePrice;
get => CalculateFinalPriceAt(SystemClock.Instance.GetCurrentInstant());
}
var now = SystemClock.Instance.GetCurrentInstant();
if (Coupon.AffectedAt.HasValue && now < Coupon.AffectedAt.Value ||
Coupon.ExpiredAt.HasValue && now > Coupon.ExpiredAt.Value) return BasePrice;
/// <summary>
/// Optimized method to check availability at a specific instant (avoids repeated SystemClock calls).
/// </summary>
public bool IsAvailableAt(Instant currentInstant)
{
if (!IsActive) return false;
if (BegunAt > currentInstant) return false;
if (EndedAt.HasValue && currentInstant > EndedAt.Value) return false;
if (RenewalAt.HasValue && currentInstant > RenewalAt.Value) return false;
if (Status != SubscriptionStatus.Active) return false;
return true;
}
if (Coupon.DiscountAmount.HasValue) return BasePrice - Coupon.DiscountAmount.Value;
if (Coupon.DiscountRate.HasValue) return BasePrice * (decimal)(1 - Coupon.DiscountRate.Value);
return BasePrice;
}
/// <summary>
/// Optimized method to calculate final price at a specific instant (avoids repeated SystemClock calls).
/// </summary>
public decimal CalculateFinalPriceAt(Instant currentInstant)
{
if (IsFreeTrial) return 0;
if (Coupon == null) return BasePrice;
if (Coupon.AffectedAt.HasValue && currentInstant < Coupon.AffectedAt.Value ||
Coupon.ExpiredAt.HasValue && currentInstant > Coupon.ExpiredAt.Value) return BasePrice;
if (Coupon.DiscountAmount.HasValue) return BasePrice - Coupon.DiscountAmount.Value;
if (Coupon.DiscountRate.HasValue) return BasePrice * (decimal)(1 - Coupon.DiscountRate.Value);
return BasePrice;
}
/// <summary>
@@ -184,6 +387,9 @@ public class SnWalletSubscription : ModelBase
/// </summary>
public SnSubscriptionReferenceObject ToReference()
{
// Cache the current instant once to avoid multiple SystemClock calls
var currentInstant = SystemClock.Instance.GetCurrentInstant();
return new SnSubscriptionReferenceObject
{
Id = Id,
@@ -191,11 +397,11 @@ public class SnWalletSubscription : ModelBase
BegunAt = BegunAt,
EndedAt = EndedAt,
IsActive = IsActive,
IsAvailable = IsAvailable,
IsAvailable = IsAvailableAt(currentInstant),
IsFreeTrial = IsFreeTrial,
Status = Status,
BasePrice = BasePrice,
FinalPrice = FinalPrice,
FinalPrice = CalculateFinalPriceAt(currentInstant),
RenewalAt = RenewalAt,
AccountId = AccountId
};
@@ -263,11 +469,13 @@ public class SnSubscriptionReferenceObject : ModelBase
public Instant? RenewalAt { get; set; }
public Guid AccountId { get; set; }
private string? _displayName;
/// <summary>
/// Gets the human-readable name of the subscription type if available.
/// Gets the human-readable name of the subscription type if available (cached for performance).
/// </summary>
[NotMapped]
public string? DisplayName => SubscriptionTypeData.SubscriptionHumanReadable.TryGetValue(Identifier, out var name)
public string? DisplayName => _displayName ??= SubscriptionTypeData.SubscriptionHumanReadable.TryGetValue(Identifier, out var name)
? name
: null;
@@ -281,8 +489,8 @@ public class SnSubscriptionReferenceObject : ModelBase
IsAvailable = IsAvailable,
IsFreeTrial = IsFreeTrial,
Status = (Proto.SubscriptionStatus)Status,
BasePrice = BasePrice.ToString(CultureInfo.CurrentCulture),
FinalPrice = FinalPrice.ToString(CultureInfo.CurrentCulture),
BasePrice = BasePrice.ToString(CultureInfo.InvariantCulture),
FinalPrice = FinalPrice.ToString(CultureInfo.InvariantCulture),
RenewalAt = RenewalAt?.ToTimestamp(),
AccountId = AccountId.ToString(),
DisplayName = DisplayName,
@@ -401,4 +609,4 @@ public class SnWalletCoupon : ModelBase
CreatedAt = proto.CreatedAt.ToInstant(),
UpdatedAt = proto.UpdatedAt.ToInstant()
};
}
}