From 186d1d7e667ea7dad7c1b741148fc7aea5b04a91 Mon Sep 17 00:00:00 2001
From: 0x7c01 <zenozhengs@gmail.com>
Date: Thu, 25 May 2023 20:04:52 +0800
Subject: [PATCH] refactor(appcast_item): let appcast_item doesn't dependence
 dart:io.

---
 CHANGELOG.md                  |  4 ++--
 example/pubspec.lock          |  2 +-
 lib/core/installer.dart       | 15 ++++++++++++
 lib/core/upgrade_manager.dart | 45 +++++++++++++++++++++--------------
 lib/core/version.dart         |  2 ++
 lib/models/appcast_item.dart  | 12 +---------
 pubspec.yaml                  |  2 +-
 7 files changed, 49 insertions(+), 33 deletions(-)
 create mode 100644 lib/core/version.dart

diff --git a/CHANGELOG.md b/CHANGELOG.md
index eafcf7b..35b6afc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,3 @@
-## 0.0.5
+## 0.0.6
 
-* Export Version class.
+* Refactor Appcast_Item.
diff --git a/example/pubspec.lock b/example/pubspec.lock
index 143992f..ebd4f40 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -315,7 +315,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.0.4"
+    version: "0.0.5"
   url_launcher:
     dependency: transitive
     description:
diff --git a/lib/core/installer.dart b/lib/core/installer.dart
index 0c92031..ec69e5c 100644
--- a/lib/core/installer.dart
+++ b/lib/core/installer.dart
@@ -10,6 +10,21 @@ import 'package:upgrade/installer/ios_app_store_installer.dart';
 import 'package:upgrade/installer/macos_app_store_installer.dart';
 import 'package:upgrade/models/upgrade_status.dart';
 
+class InstallerHelper {
+
+  static Iterable<Installer?> init({
+    required List<Map<String, dynamic>> configs,
+    required UpgradeStateChangeNotifier state,
+    required Map<String, InstallInitializer> initializers,
+  }) sync* {
+    for (int i = 0; i < configs.length; i++) {
+      final config = configs[i];
+      yield initializers[config['initializer']]?.init(state: state, data: config);
+    }
+  }
+
+}
+
 class SystemInstaller {
 
   static List<InstallInitializer> initializers = [
diff --git a/lib/core/upgrade_manager.dart b/lib/core/upgrade_manager.dart
index 0cc4846..f9950cd 100644
--- a/lib/core/upgrade_manager.dart
+++ b/lib/core/upgrade_manager.dart
@@ -62,23 +62,28 @@ class UpgradeManager {
 
     state.updateUpgradeStatus(status: UpgradeStatus.checking);
 
-    final uri = Uri.parse(_url);
-    final response = await Client().get(uri, headers: {'Content-Type': 'application/json;charset=utf-8'});
-    if (response.statusCode != 200) {
+    Client().get(
+      Uri.parse(_url),
+      headers: {'Content-Type': 'application/json;charset=utf-8'},
+    ).then((response) {
+      if (response.statusCode != 200) {
+        state.updateUpgradeStatus(status: UpgradeStatus.error);
+        debugPrint("[UpgradeManager] Download Appcast from $_url error.");
+        return;
+      }
+
+      final appcast = Appcast.fromJson(List<Map<String, dynamic>>.from(json.decode(response.body)));
+      final best = appcast.best();
+      if (best != null) {
+        state.updateLatestVersion(version: best);
+        initInstallers();
+        nextInstaller();
+      } else {
+        state.updateUpgradeStatus(status: UpgradeStatus.upToDate);
+      }
+    }).catchError((_) {
       state.updateUpgradeStatus(status: UpgradeStatus.error);
-      debugPrint("[UpgradeManager] Download Appcast from $_url error.");
-      return;
-    }
-
-    final appcast = Appcast.fromJson(List<Map<String, dynamic>>.from(json.decode(response.body)));
-    final best = appcast.best();
-    if (best != null) {
-      state.updateLatestVersion(version: best);
-      initInstallers();
-      nextInstaller();
-    } else {
-      state.updateUpgradeStatus(status: UpgradeStatus.upToDate);
-    }
+    });
   }
 
   void download({
@@ -118,8 +123,12 @@ class UpgradeManager {
   void initInstallers() {
     if (status != UpgradeStatus.available) { return; }
 
-    _installers = state.latest?.installer(
-        state: _stateChangeNotifier, initializers: _installInitializers).iterator;
+    _installers = InstallerHelper.init(
+      configs: state.latest!.installersConfig,
+      state: _stateChangeNotifier,
+      initializers: _installInitializers,
+    ).iterator;
+
   }
 
   bool nextInstaller() {
diff --git a/lib/core/version.dart b/lib/core/version.dart
new file mode 100644
index 0000000..2e86aeb
--- /dev/null
+++ b/lib/core/version.dart
@@ -0,0 +1,2 @@
+
+export 'package:version/version.dart';
\ No newline at end of file
diff --git a/lib/models/appcast_item.dart b/lib/models/appcast_item.dart
index b482f12..9cfdbf0 100644
--- a/lib/models/appcast_item.dart
+++ b/lib/models/appcast_item.dart
@@ -1,8 +1,6 @@
 
 import 'dart:io';
 
-import 'package:upgrade/core/installer.dart';
-import 'package:upgrade/core/upgrade_state_change_notifier.dart';
 import 'package:version/version.dart';
 
 class AppcastItem {
@@ -15,6 +13,7 @@ class AppcastItem {
   final String? maximumSystemVersion;
 
   late List<Map<String, dynamic>> _installersConfig;
+  List<Map<String, dynamic>> get installersConfig => _installersConfig;
 
   AppcastItem({
     this.releaseNotes,
@@ -41,15 +40,6 @@ class AppcastItem {
     return false;
   }
 
-  Iterable<Installer?> installer({
-    required UpgradeStateChangeNotifier state,
-    required Map<String, InstallInitializer> initializers}) sync* {
-    for (int i = 0; i < _installersConfig.length; i++) {
-      final config = _installersConfig[i];
-      yield initializers[config['initializer']]?.init(state: state, data: config);
-    }
-  }
-
   factory AppcastItem.fromJson(Map<String, dynamic> json) {
     return AppcastItem(
       releaseNotes: json['release_notes'],
diff --git a/pubspec.yaml b/pubspec.yaml
index eae84b5..5cf7918 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: upgrade
 description: A Flutter plugin for prompting and help users to upgrade when there is a newer version of this app in the app store or server repository.
-version: 0.0.5
+version: 0.0.6
 
 homepage: https://github.com/Flutter-Chore/Flutter-InAppUpgrade