Referral: Add gateway and model classes

lib/gateways/storage_bonus_gw.dart

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+import "package:dio/dio.dart";
+import "package:photos/models/api/storage_bonus/storage_bonus.dart";
+
+class StorageBonusGateway {
+  final Dio _enteDio;
+
+  StorageBonusGateway(this._enteDio);
+
+  Future<ReferralView> getReferralView() async {
+    final response = await _enteDio.get("/storage-bonus/referral-view");
+    return ReferralView.fromJson(response.data);
+  }
+
+  Future<void> claimReferralCode(String code) {
+    return _enteDio.post("/storage-bonus/referral-claim?code=$code");
+  }
+
+  Future<BonusDetails> getBonusDetails() async {
+    final response = await _enteDio.get("/storage-bonus/details");
+    return BonusDetails.fromJson(response.data);
+  }
+}

lib/models/api/storage_bonus/storage_bonus.dart

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+class ReferralView {
+  PlanInfo planInfo;
+  String code;
+  bool enableApplyCode;
+  bool isFamilyMember;
+  bool hasAppliedCode;
+
+  ReferralView({
+    required this.planInfo,
+    required this.code,
+    required this.enableApplyCode,
+    required this.isFamilyMember,
+    required this.hasAppliedCode,
+  });
+
+  factory ReferralView.fromJson(Map<String, dynamic> json) => ReferralView(
+        planInfo: PlanInfo.fromJson(json["planInfo"]),
+        code: json["code"],
+        enableApplyCode: json["enableApplyCode"],
+        isFamilyMember: json["isFamilyMember"],
+        hasAppliedCode: json["hasAppliedCode"],
+      );
+
+  Map<String, dynamic> toJson() => {
+        "planInfo": planInfo.toJson(),
+        "code": code,
+        "enableApplyCode": enableApplyCode,
+        "isFamilyMember": isFamilyMember,
+        "hasAppliedCode": hasAppliedCode,
+      };
+}
+
+class PlanInfo {
+  bool isEnabled;
+  String planType;
+  int storageInGB;
+  int maxClaimableStorageInGB;
+
+  PlanInfo({
+    required this.isEnabled,
+    required this.planType,
+    required this.storageInGB,
+    required this.maxClaimableStorageInGB,
+  });
+
+  factory PlanInfo.fromJson(Map<String, dynamic> json) => PlanInfo(
+        isEnabled: json["isEnabled"],
+        planType: json["planType"],
+        storageInGB: json["storageInGB"],
+        maxClaimableStorageInGB: json["maxClaimableStorageInGB"],
+      );
+
+  Map<String, dynamic> toJson() => {
+        "isEnabled": isEnabled,
+        "planType": planType,
+        "storageInGB": storageInGB,
+        "maxClaimableStorageInGB": maxClaimableStorageInGB,
+      };
+}
+
+class ReferralStat {
+  String planType;
+  int totalCount;
+  int upgradedCount;
+
+  ReferralStat(this.planType, this.totalCount, this.upgradedCount);
+
+  factory ReferralStat.fromJson(Map<String, dynamic> json) {
+    return ReferralStat(
+      json['planType'],
+      json['totalCount'],
+      json['upgradedCount'],
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'planType': planType,
+      'totalCount': totalCount,
+      'upgradedCount': upgradedCount,
+    };
+  }
+}
+
+class Bonus {
+  int storage;
+  String type;
+  int validTill;
+  bool isRevoked;
+
+  Bonus(this.storage, this.type, this.validTill, this.isRevoked);
+
+  // fromJson
+  factory Bonus.fromJson(Map<String, dynamic> json) {
+    return Bonus(
+      json['storage'],
+      json['type'],
+      json['validTill'],
+      json['isRevoked'],
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'storage': storage,
+      'type': type,
+      'validTill': validTill,
+      'isRevoked': isRevoked,
+    };
+  }
+}
+
+class BonusDetails {
+  List<ReferralStat> referralStats;
+  List<Bonus> bonuses;
+  int refCount;
+  int refUpgradeCount;
+  bool hasAppliedCode;
+
+  BonusDetails({
+    required this.referralStats,
+    required this.bonuses,
+    required this.refCount,
+    required this.refUpgradeCount,
+    required this.hasAppliedCode,
+  });
+
+  factory BonusDetails.fromJson(Map<String, dynamic> json) => BonusDetails(
+        referralStats: List<ReferralStat>.from(
+            json["referralStats"].map((x) => ReferralStat.fromJson(x))),
+        bonuses:
+            List<Bonus>.from(json["bonuses"].map((x) => Bonus.fromJson(x))),
+        refCount: json["refCount"],
+        refUpgradeCount: json["refUpgradeCount"],
+        hasAppliedCode: json["hasAppliedCode"],
+      );
+
+  Map<String, dynamic> toJson() => {
+        "referralStats":
+            List<dynamic>.from(referralStats.map((x) => x.toJson())),
+        "bonuses": List<dynamic>.from(bonuses.map((x) => x.toJson())),
+        "refCount": refCount,
+        "refUpgradeCount": refUpgradeCount,
+        "hasAppliedCode": hasAppliedCode,
+      };
+}

lib/services/storage_bonus_service.dart

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+import "package:photos/core/network/network.dart";
+import "package:photos/gateways/storage_bonus_gw.dart";
+import "package:shared_preferences/shared_preferences.dart";
+
+class StorageBonusService {
+  late StorageBonusGateway gateway;
+  late SharedPreferences prefs;
+
+  void init(SharedPreferences preferences) {
+    prefs = preferences;
+    gateway = StorageBonusGateway(NetworkClient.instance.enteDio);
+  }
+
+  StorageBonusService._privateConstructor();
+
+  static StorageBonusService instance =
+      StorageBonusService._privateConstructor();
+}