Allow dynamic "Encryption Key" value in service

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.4.0
+
+* Allow dynamic "Encryption Key" value.
+
 ## 0.3.0
 
 * Implement functions for listing and deleting device integrations

lib/src/autogram_authenticator.dart

@@ -1,9 +1,19 @@
 import 'package:chopper/chopper.dart';
 
+/// Sets the "X-Encryption-Key" and "Accept": "application/json" values.
 class AutogramAuthenticator extends HeadersInterceptor {
-  AutogramAuthenticator({required String encryptionKey})
-      : super({
-          "Accept": "application/json",
-          "X-Encryption-Key": encryptionKey,
-        });
+  final String Function() encryptionKeySource;
+
+  AutogramAuthenticator(this.encryptionKeySource) : super(const {});
+
+  @override
+  Future<Request> onRequest(Request request) async {
+    final encryptionKey = encryptionKeySource();
+    final allHeaders = {
+      "Accept": "application/json",
+      "X-Encryption-Key": encryptionKey,
+    };
+
+    return applyHeaders(request, allHeaders);
+  }
 }

lib/src/autogram_service.dart

@@ -9,17 +9,19 @@ export 'iautogram_service.dart';
 
 /// Implements [IAutogramService] using [Autogram] instance REST API client.
 class AutogramService implements IAutogramService {
+  static final Uri _defaultBaseUrl =
+      Uri.parse("https://autogram.slovensko.digital/api/v1");
+
   final Autogram _autogram;
 
+  /// Constructs new [AutogramService] instance.
   AutogramService({
-    required Uri baseUrl,
-    required String encryptionKey,
+    Uri? baseUrl,
+    required String Function() encryptionKeySource,
   }) : _autogram = Autogram.create(
-          baseUrl: baseUrl,
+          baseUrl: baseUrl ?? _defaultBaseUrl,
           interceptors: [
-            AutogramAuthenticator(
-              encryptionKey: encryptionKey,
-            ),
+            AutogramAuthenticator(encryptionKeySource),
           ],
         );
 

pubspec.yaml

@@ -1,6 +1,6 @@
 name: autogram_sign
 description: "Autogram service REST API client"
-version: 0.3.0
+version: 0.4.0
 homepage: ""
 
 environment: