locally cache subscription info

lib/pangea/constants/local.key.dart

@@ -7,4 +7,5 @@ class PLocalKey {
   static const String messagesSinceUpdate = 'messagesSinceLastUpdate';
   static const String completedActivities = 'completedActivities';
   static const String justInputtedCode = 'justInputtedCode';
+  static const String availableSubscriptionInfo = 'availableSubscriptionInfo';
 }

lib/pangea/controllers/subscription_controller.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'dart:convert';
 
+import 'package:collection/collection.dart';
 import 'package:fluffychat/config/app_config.dart';
 import 'package:fluffychat/pangea/config/environment.dart';
 import 'package:fluffychat/pangea/constants/local.key.dart';
@@ -409,4 +410,24 @@ class SubscriptionDetails {
             ? AppConfig.appleMangementUrl
             : Environment.stripeManagementUrl;
   }
+
+  Map<String, dynamic> toJson() {
+    final data = <String, dynamic>{};
+    data['price'] = price;
+    data['id'] = id;
+    data['duration'] = duration?.value;
+    data['appId'] = appId;
+    return data;
+  }
+
+  factory SubscriptionDetails.fromJson(Map<String, dynamic> json) {
+    return SubscriptionDetails(
+      price: json['price'],
+      duration: SubscriptionDuration.values.firstWhereOrNull(
+        (duration) => duration.value == json['duration'],
+      ),
+      id: json['id'],
+      appId: json['appId'],
+    );
+  }
 }

lib/pangea/models/base_subscription_info.dart

@@ -1,8 +1,11 @@
 import 'package:collection/collection.dart';
 import 'package:fluffychat/config/app_config.dart';
+import 'package:fluffychat/pangea/constants/local.key.dart';
 import 'package:fluffychat/pangea/controllers/subscription_controller.dart';
 import 'package:fluffychat/pangea/repo/subscription_repo.dart';
+import 'package:fluffychat/pangea/utils/error_handler.dart';
 import 'package:fluffychat/pangea/utils/subscription_app_id.dart';
+import 'package:fluffychat/widgets/matrix.dart';
 
 /// Contains information about the users's current subscription
 class CurrentSubscriptionInfo {
@@ -87,28 +90,65 @@ class AvailableSubscriptionsInfo {
   SubscriptionAppIds? appIds;
   List<SubscriptionDetails>? allProducts;
 
+  AvailableSubscriptionsInfo({
+    this.appIds,
+    this.allProducts,
+  });
+
   Future<void> setAvailableSubscriptions() async {
-    appIds ??= await SubscriptionRepo.getAppIds();
-    allProducts ??= await SubscriptionRepo.getAllProducts();
+    final cachedInfo = _getCachedSubscriptionInfo();
+    appIds ??= cachedInfo?.appIds ?? await SubscriptionRepo.getAppIds();
+    allProducts ??=
+        cachedInfo?.allProducts ?? await SubscriptionRepo.getAllProducts();
+
+    if (cachedInfo == null) await _cacheSubscriptionInfo();
+
     availableSubscriptions = (allProducts ?? [])
         .where((product) => product.appId == appIds!.currentAppId)
         .sorted((a, b) => a.price.compareTo(b.price))
         .toList();
-    // //@Gabby - temporary solution to add trial to list
-    // if (currentSubscriptionId == null && !hasSubscribed) {
-    //   final id = availableSubscriptions[0].id;
-    //   final package = availableSubscriptions[0].package;
-    //   final duration = availableSubscriptions[0].duration;
-    //   availableSubscriptions.insert(
-    //     0,
-    //     SubscriptionDetails(
-    //       price: 0,
-    //       id: id,
-    //       duration: duration,
-    //       package: package,
-    //       periodType: SubscriptionPeriodType.trial,
-    //     ),
-    //   );
-    // }
+  }
+
+  Future<void> _cacheSubscriptionInfo() async {
+    await MatrixState.pangeaController.pStoreService.save(
+      PLocalKey.availableSubscriptionInfo,
+      toJson(),
+    );
+  }
+
+  static AvailableSubscriptionsInfo? _getCachedSubscriptionInfo() {
+    final json = MatrixState.pangeaController.pStoreService.read(
+      PLocalKey.availableSubscriptionInfo,
+    );
+    if (json is! Map<String, dynamic>) {
+      return null;
+    }
+
+    try {
+      return AvailableSubscriptionsInfo.fromJson(json);
+    } catch (e, s) {
+      ErrorHandler.logError(e: e, s: s);
+      return null;
+    }
+  }
+
+  factory AvailableSubscriptionsInfo.fromJson(Map<String, dynamic> json) {
+    final appIds = SubscriptionAppIds.fromJson(json['app_ids']);
+    final allProducts = (json['all_products'] as List<dynamic>)
+        .map((product) => SubscriptionDetails.fromJson(product))
+        .toList()
+        .cast<SubscriptionDetails>();
+    return AvailableSubscriptionsInfo(
+      appIds: appIds,
+      allProducts: allProducts,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    final data = <String, dynamic>{};
+    data['app_ids'] = appIds?.toJson();
+    data['all_products'] =
+        allProducts?.map((product) => product.toJson()).toList();
+    return data;
   }
 }

lib/pangea/repo/subscription_repo.dart

@@ -91,16 +91,7 @@ class RCProductsResponseModel {
   ) {
     final List<dynamic> offerings = json["items"] as List<dynamic>;
     final res = offerings
-        .map(
-          (offering) => SubscriptionDetails(
-            price: offering['price'],
-            duration: SubscriptionDuration.values.firstWhereOrNull(
-              (duration) => duration.value == offering['duration'],
-            ),
-            id: offering['id'],
-            appId: offering['appId'],
-          ),
-        )
+        .map((offering) => SubscriptionDetails.fromJson(offering))
         .toList()
         .cast<SubscriptionDetails>();
     return RCProductsResponseModel(allProducts: res);

lib/pangea/utils/subscription_app_id.dart

@@ -28,6 +28,14 @@ class SubscriptionAppIds {
       ..androidId = json['android_id']
       ..appleId = json['apple_id'];
   }
+
+  Map<String, dynamic> toJson() {
+    final data = <String, dynamic>{};
+    data['stripe_id'] = stripeId;
+    data['android_id'] = androidId;
+    data['apple_id'] = appleId;
+    return data;
+  }
 }
 
 enum RCPlatform {