feat: get plan info for subscriptions (#14)

These are needed to check which plan user is subscribed to.

Author: hyochan

src/generated/Types.kt

@@ -427,6 +427,13 @@ public interface ProductCommon {
 }
 
 public interface PurchaseCommon {
+    /**
+     * The current plan identifier. This is:
+     * - On Android: the basePlanId (e.g., "premium", "premium-year")
+     * - On iOS: the productId (e.g., "com.example.premium_monthly", "com.example.premium_yearly")
+     * This provides a unified way to identify which specific plan/tier the user is subscribed to.
+     */
+    val currentPlanId: String?
     val id: String
     val ids: List<String>?
     val isAutoRenewing: Boolean
@@ -445,6 +452,14 @@ public interface PurchaseCommon {
 
 public data class ActiveSubscription(
     val autoRenewingAndroid: Boolean? = null,
+    val basePlanIdAndroid: String? = null,
+    /**
+     * The current plan identifier. This is:
+     * - On Android: the basePlanId (e.g., "premium", "premium-year")
+     * - On iOS: the productId (e.g., "com.example.premium_monthly", "com.example.premium_yearly")
+     * This provides a unified way to identify which specific plan/tier the user is subscribed to.
+     */
+    val currentPlanId: String? = null,
     val daysUntilExpirationIOS: Double? = null,
     val environmentIOS: String? = null,
     val expirationDateIOS: Double? = null,
@@ -460,6 +475,8 @@ public data class ActiveSubscription(
         fun fromJson(json: Map<String, Any?>): ActiveSubscription {
             return ActiveSubscription(
                 autoRenewingAndroid = json["autoRenewingAndroid"] as Boolean?,
+                basePlanIdAndroid = json["basePlanIdAndroid"] as String?,
+                currentPlanId = json["currentPlanId"] as String?,
                 daysUntilExpirationIOS = (json["daysUntilExpirationIOS"] as Number?)?.toDouble(),
                 environmentIOS = json["environmentIOS"] as String?,
                 expirationDateIOS = (json["expirationDateIOS"] as Number?)?.toDouble(),
@@ -476,6 +493,8 @@ public data class ActiveSubscription(
     fun toJson(): Map<String, Any?> = mapOf(
         "__typename" to "ActiveSubscription",
         "autoRenewingAndroid" to autoRenewingAndroid,
+        "basePlanIdAndroid" to basePlanIdAndroid,
+        "currentPlanId" to currentPlanId,
         "daysUntilExpirationIOS" to daysUntilExpirationIOS,
         "environmentIOS" to environmentIOS,
         "expirationDateIOS" to expirationDateIOS,
@@ -1015,6 +1034,7 @@ public data class ProductSubscriptionIOS(
 
 public data class PurchaseAndroid(
     val autoRenewingAndroid: Boolean? = null,
+    val currentPlanId: String? = null,
     val dataAndroid: String? = null,
     val developerPayloadAndroid: String? = null,
     val id: String,
@@ -1038,6 +1058,7 @@ public data class PurchaseAndroid(
         fun fromJson(json: Map<String, Any?>): PurchaseAndroid {
             return PurchaseAndroid(
                 autoRenewingAndroid = json["autoRenewingAndroid"] as Boolean?,
+                currentPlanId = json["currentPlanId"] as String?,
                 dataAndroid = json["dataAndroid"] as String?,
                 developerPayloadAndroid = json["developerPayloadAndroid"] as String?,
                 id = json["id"] as String,
@@ -1062,6 +1083,7 @@ public data class PurchaseAndroid(
     override fun toJson(): Map<String, Any?> = mapOf(
         "__typename" to "PurchaseAndroid",
         "autoRenewingAndroid" to autoRenewingAndroid,
+        "currentPlanId" to currentPlanId,
         "dataAndroid" to dataAndroid,
         "developerPayloadAndroid" to developerPayloadAndroid,
         "id" to id,
@@ -1112,6 +1134,7 @@ public data class PurchaseIOS(
     val countryCodeIOS: String? = null,
     val currencyCodeIOS: String? = null,
     val currencySymbolIOS: String? = null,
+    val currentPlanId: String? = null,
     val environmentIOS: String? = null,
     val expirationDateIOS: Double? = null,
     val id: String,
@@ -1148,6 +1171,7 @@ public data class PurchaseIOS(
                 countryCodeIOS = json["countryCodeIOS"] as String?,
                 currencyCodeIOS = json["currencyCodeIOS"] as String?,
                 currencySymbolIOS = json["currencySymbolIOS"] as String?,
+                currentPlanId = json["currentPlanId"] as String?,
                 environmentIOS = json["environmentIOS"] as String?,
                 expirationDateIOS = (json["expirationDateIOS"] as Number?)?.toDouble(),
                 id = json["id"] as String,
@@ -1185,6 +1209,7 @@ public data class PurchaseIOS(
         "countryCodeIOS" to countryCodeIOS,
         "currencyCodeIOS" to currencyCodeIOS,
         "currencySymbolIOS" to currencySymbolIOS,
+        "currentPlanId" to currentPlanId,
         "environmentIOS" to environmentIOS,
         "expirationDateIOS" to expirationDateIOS,
         "id" to id,

src/generated/Types.swift

@@ -131,6 +131,11 @@ public protocol ProductCommon: Codable {
 }
 
 public protocol PurchaseCommon: Codable {
+    /// The current plan identifier. This is:
+    /// - On Android: the basePlanId (e.g., "premium", "premium-year")
+    /// - On iOS: the productId (e.g., "com.example.premium_monthly", "com.example.premium_yearly")
+    /// This provides a unified way to identify which specific plan/tier the user is subscribed to.
+    var currentPlanId: String? { get }
     var id: String { get }
     var ids: [String]? { get }
     var isAutoRenewing: Bool { get }
@@ -147,6 +152,12 @@ public protocol PurchaseCommon: Codable {
 
 public struct ActiveSubscription: Codable {
     public var autoRenewingAndroid: Bool?
+    public var basePlanIdAndroid: String?
+    /// The current plan identifier. This is:
+    /// - On Android: the basePlanId (e.g., "premium", "premium-year")
+    /// - On iOS: the productId (e.g., "com.example.premium_monthly", "com.example.premium_yearly")
+    /// This provides a unified way to identify which specific plan/tier the user is subscribed to.
+    public var currentPlanId: String?
     public var daysUntilExpirationIOS: Double?
     public var environmentIOS: String?
     public var expirationDateIOS: Double?
@@ -314,6 +325,7 @@ public struct ProductSubscriptionIOS: Codable, ProductCommon {
 
 public struct PurchaseAndroid: Codable, PurchaseCommon {
     public var autoRenewingAndroid: Bool?
+    public var currentPlanId: String?
     public var dataAndroid: String?
     public var developerPayloadAndroid: String?
     public var id: String
@@ -345,6 +357,7 @@ public struct PurchaseIOS: Codable, PurchaseCommon {
     public var countryCodeIOS: String?
     public var currencyCodeIOS: String?
     public var currencySymbolIOS: String?
+    public var currentPlanId: String?
     public var environmentIOS: String?
     public var expirationDateIOS: Double?
     public var id: String
@@ -853,6 +866,19 @@ public enum Purchase: Codable, PurchaseCommon {
     case purchaseAndroid(PurchaseAndroid)
     case purchaseIos(PurchaseIOS)
 
+    /// The current plan identifier. This is:
+    /// - On Android: the basePlanId (e.g., "premium", "premium-year")
+    /// - On iOS: the productId (e.g., "com.example.premium_monthly", "com.example.premium_yearly")
+    /// This provides a unified way to identify which specific plan/tier the user is subscribed to.
+    public var currentPlanId: String? {
+        switch self {
+        case let .purchaseAndroid(value):
+            return value.currentPlanId
+        case let .purchaseIos(value):
+            return value.currentPlanId
+        }
+    }
+
     public var id: String {
         switch self {
         case let .purchaseAndroid(value):

src/generated/types.dart

@@ -522,6 +522,11 @@ abstract class ProductCommon {
 }
 
 abstract class PurchaseCommon {
+  /// The current plan identifier. This is:
+  /// - On Android: the basePlanId (e.g., "premium", "premium-year")
+  /// - On iOS: the productId (e.g., "com.example.premium_monthly", "com.example.premium_yearly")
+  /// This provides a unified way to identify which specific plan/tier the user is subscribed to.
+  String? get currentPlanId;
   String get id;
   List<String>? get ids;
   bool get isAutoRenewing;
@@ -539,6 +544,12 @@ abstract class PurchaseCommon {
 class ActiveSubscription {
   const ActiveSubscription({
     this.autoRenewingAndroid,
+    this.basePlanIdAndroid,
+    /// The current plan identifier. This is:
+    /// - On Android: the basePlanId (e.g., "premium", "premium-year")
+    /// - On iOS: the productId (e.g., "com.example.premium_monthly", "com.example.premium_yearly")
+    /// This provides a unified way to identify which specific plan/tier the user is subscribed to.
+    this.currentPlanId,
     this.daysUntilExpirationIOS,
     this.environmentIOS,
     this.expirationDateIOS,
@@ -551,6 +562,12 @@ class ActiveSubscription {
   });
 
   final bool? autoRenewingAndroid;
+  final String? basePlanIdAndroid;
+  /// The current plan identifier. This is:
+  /// - On Android: the basePlanId (e.g., "premium", "premium-year")
+  /// - On iOS: the productId (e.g., "com.example.premium_monthly", "com.example.premium_yearly")
+  /// This provides a unified way to identify which specific plan/tier the user is subscribed to.
+  final String? currentPlanId;
   final double? daysUntilExpirationIOS;
   final String? environmentIOS;
   final double? expirationDateIOS;
@@ -564,6 +581,8 @@ class ActiveSubscription {
   factory ActiveSubscription.fromJson(Map<String, dynamic> json) {
     return ActiveSubscription(
       autoRenewingAndroid: json['autoRenewingAndroid'] as bool?,
+      basePlanIdAndroid: json['basePlanIdAndroid'] as String?,
+      currentPlanId: json['currentPlanId'] as String?,
       daysUntilExpirationIOS: (json['daysUntilExpirationIOS'] as num?)?.toDouble(),
       environmentIOS: json['environmentIOS'] as String?,
       expirationDateIOS: (json['expirationDateIOS'] as num?)?.toDouble(),
@@ -580,6 +599,8 @@ class ActiveSubscription {
     return {
       '__typename': 'ActiveSubscription',
       'autoRenewingAndroid': autoRenewingAndroid,
+      'basePlanIdAndroid': basePlanIdAndroid,
+      'currentPlanId': currentPlanId,
       'daysUntilExpirationIOS': daysUntilExpirationIOS,
       'environmentIOS': environmentIOS,
       'expirationDateIOS': expirationDateIOS,
@@ -1260,6 +1281,7 @@ class ProductSubscriptionIOS extends ProductSubscription implements ProductCommo
 class PurchaseAndroid extends Purchase implements PurchaseCommon {
   const PurchaseAndroid({
     this.autoRenewingAndroid,
+    this.currentPlanId,
     this.dataAndroid,
     this.developerPayloadAndroid,
     required this.id,
@@ -1281,6 +1303,7 @@ class PurchaseAndroid extends Purchase implements PurchaseCommon {
   });
 
   final bool? autoRenewingAndroid;
+  final String? currentPlanId;
   final String? dataAndroid;
   final String? developerPayloadAndroid;
   final String id;
@@ -1303,6 +1326,7 @@ class PurchaseAndroid extends Purchase implements PurchaseCommon {
   factory PurchaseAndroid.fromJson(Map<String, dynamic> json) {
     return PurchaseAndroid(
       autoRenewingAndroid: json['autoRenewingAndroid'] as bool?,
+      currentPlanId: json['currentPlanId'] as String?,
       dataAndroid: json['dataAndroid'] as String?,
       developerPayloadAndroid: json['developerPayloadAndroid'] as String?,
       id: json['id'] as String,
@@ -1329,6 +1353,7 @@ class PurchaseAndroid extends Purchase implements PurchaseCommon {
     return {
       '__typename': 'PurchaseAndroid',
       'autoRenewingAndroid': autoRenewingAndroid,
+      'currentPlanId': currentPlanId,
       'dataAndroid': dataAndroid,
       'developerPayloadAndroid': developerPayloadAndroid,
       'id': id,
@@ -1387,6 +1412,7 @@ class PurchaseIOS extends Purchase implements PurchaseCommon {
     this.countryCodeIOS,
     this.currencyCodeIOS,
     this.currencySymbolIOS,
+    this.currentPlanId,
     this.environmentIOS,
     this.expirationDateIOS,
     required this.id,
@@ -1421,6 +1447,7 @@ class PurchaseIOS extends Purchase implements PurchaseCommon {
   final String? countryCodeIOS;
   final String? currencyCodeIOS;
   final String? currencySymbolIOS;
+  final String? currentPlanId;
   final String? environmentIOS;
   final double? expirationDateIOS;
   final String id;
@@ -1456,6 +1483,7 @@ class PurchaseIOS extends Purchase implements PurchaseCommon {
       countryCodeIOS: json['countryCodeIOS'] as String?,
       currencyCodeIOS: json['currencyCodeIOS'] as String?,
       currencySymbolIOS: json['currencySymbolIOS'] as String?,
+      currentPlanId: json['currentPlanId'] as String?,
       environmentIOS: json['environmentIOS'] as String?,
       expirationDateIOS: (json['expirationDateIOS'] as num?)?.toDouble(),
       id: json['id'] as String,
@@ -1495,6 +1523,7 @@ class PurchaseIOS extends Purchase implements PurchaseCommon {
       'countryCodeIOS': countryCodeIOS,
       'currencyCodeIOS': currencyCodeIOS,
       'currencySymbolIOS': currencySymbolIOS,
+      'currentPlanId': currentPlanId,
       'environmentIOS': environmentIOS,
       'expirationDateIOS': expirationDateIOS,
       'id': id,
@@ -2528,6 +2557,12 @@ sealed class Purchase implements PurchaseCommon {
     throw ArgumentError('Unknown __typename for Purchase: $typeName');
   }
 
+  /// The current plan identifier. This is:
+  /// - On Android: the basePlanId (e.g., "premium", "premium-year")
+  /// - On iOS: the productId (e.g., "com.example.premium_monthly", "com.example.premium_yearly")
+  /// This provides a unified way to identify which specific plan/tier the user is subscribed to.
+  @override
+  String? get currentPlanId;
   @override
   String get id;
   @override

src/generated/types.ts

@@ -5,6 +5,14 @@
 
 export interface ActiveSubscription {
   autoRenewingAndroid?: (boolean | null);
+  basePlanIdAndroid?: (string | null);
+  /**
+   * The current plan identifier. This is:
+   * - On Android: the basePlanId (e.g., "premium", "premium-year")
+   * - On iOS: the productId (e.g., "com.example.premium_monthly", "com.example.premium_yearly")
+   * This provides a unified way to identify which specific plan/tier the user is subscribed to.
+   */
+  currentPlanId?: (string | null);
   daysUntilExpirationIOS?: (number | null);
   environmentIOS?: (string | null);
   expirationDateIOS?: (number | null);
@@ -381,6 +389,7 @@ export type Purchase = PurchaseAndroid | PurchaseIOS;
 
 export interface PurchaseAndroid extends PurchaseCommon {
   autoRenewingAndroid?: (boolean | null);
+  currentPlanId?: (string | null);
   dataAndroid?: (string | null);
   developerPayloadAndroid?: (string | null);
   id: string;
@@ -401,6 +410,13 @@ export interface PurchaseAndroid extends PurchaseCommon {
 }
 
 export interface PurchaseCommon {
+  /**
+   * The current plan identifier. This is:
+   * - On Android: the basePlanId (e.g., "premium", "premium-year")
+   * - On iOS: the productId (e.g., "com.example.premium_monthly", "com.example.premium_yearly")
+   * This provides a unified way to identify which specific plan/tier the user is subscribed to.
+   */
+  currentPlanId?: (string | null);
   id: string;
   ids?: (string[] | null);
   isAutoRenewing: boolean;
@@ -425,6 +441,7 @@ export interface PurchaseIOS extends PurchaseCommon {
   countryCodeIOS?: (string | null);
   currencyCodeIOS?: (string | null);
   currencySymbolIOS?: (string | null);
+  currentPlanId?: (string | null);
   environmentIOS?: (string | null);
   expirationDateIOS?: (number | null);
   id: string;

src/type-android.graphql

@@ -78,6 +78,7 @@ type PurchaseAndroid implements PurchaseCommon {
   quantity: Int!
   purchaseState: PurchaseState!
   isAutoRenewing: Boolean!
+  currentPlanId: String
 
   # Android-specific fields
   dataAndroid: String

src/type-ios.graphql

@@ -132,6 +132,7 @@ type PurchaseIOS implements PurchaseCommon {
   quantity: Int!
   purchaseState: PurchaseState!
   isAutoRenewing: Boolean!
+  currentPlanId: String
 
   # iOS-specific fields
   transactionId: String!

src/type.graphql

@@ -57,6 +57,13 @@ interface PurchaseCommon {
   quantity: Int!
   purchaseState: PurchaseState!
   isAutoRenewing: Boolean!
+  """
+  The current plan identifier. This is:
+  - On Android: the basePlanId (e.g., "premium", "premium-year")
+  - On iOS: the productId (e.g., "com.example.premium_monthly", "com.example.premium_yearly")
+  This provides a unified way to identify which specific plan/tier the user is subscribed to.
+  """
+  currentPlanId: String
 }
 
 # Unions for platform-specific types
@@ -203,6 +210,14 @@ type ActiveSubscription {
   transactionId: String!
   purchaseToken: String
   transactionDate: Float!
+  basePlanIdAndroid: String
+  """
+  The current plan identifier. This is:
+  - On Android: the basePlanId (e.g., "premium", "premium-year")
+  - On iOS: the productId (e.g., "com.example.premium_monthly", "com.example.premium_yearly")
+  This provides a unified way to identify which specific plan/tier the user is subscribed to.
+  """
+  currentPlanId: String
 }
 
 # Initialization configuration