manager: Fix module changelog fetch failed. close #1084

manager/app/src/main/java/me/weishu/kernelsu/ui/screen/Module.kt

@@ -150,6 +150,7 @@ private fun ModuleList(
     val changelogText = stringResource(R.string.module_changelog)
     val downloadingText = stringResource(R.string.module_downloading)
     val startDownloadingText = stringResource(R.string.module_start_downloading)
+    val fetchChangeLogFailed = stringResource(R.string.module_changelog_failed)
 
     val dialogHost = LocalDialogHost.current
     val snackBarHost = LocalSnackbarHost.current
@@ -161,15 +162,34 @@ private fun ModuleList(
         downloadUrl: String,
         fileName: String
     ) {
-        val changelog = dialogHost.withLoading {
+        val changelogResult = dialogHost.withLoading {
             withContext(Dispatchers.IO) {
+                runCatching {
                     OkHttpClient().newCall(
                         okhttp3.Request.Builder().url(changelogUrl).build()
                     ).execute().body!!.string()
                 }
             }
+        }
+
+        val showToast: suspend (String) -> Unit = {msg->
+            withContext(Dispatchers.Main) {
+                Toast.makeText(
+                    context,
+                    msg,
+                    Toast.LENGTH_SHORT
+                ).show()
+            }
+        }
+
+        val changelog = changelogResult.getOrElse {
+            showToast(fetchChangeLogFailed.format(it.message))
+            return
+        }.ifBlank {
+            showToast(fetchChangeLogFailed.format(module.name))
+            return
+        }
 
-        if (changelog.isNotEmpty()) {
         // changelog is not empty, show it and wait for confirm
         val confirmResult = dialogHost.showConfirm(
             changelogText,
@@ -181,15 +201,8 @@ private fun ModuleList(
         if (confirmResult != ConfirmResult.Confirmed) {
             return
         }
-        }
 
-        withContext(Dispatchers.Main) {
+        showToast(startDownloadingText.format(module.name))
-            Toast.makeText(
-                context,
-                startDownloadingText.format(module.name),
-                Toast.LENGTH_SHORT
-            ).show()
-        }
 
         val downloading = downloadingText.format(module.name)
         withContext(Dispatchers.IO) {

manager/app/src/main/res/values-zh-rCN/strings.xml

@@ -101,4 +101,5 @@
     <string name="app_profile_template_sync">同步在线规则</string>
     <string name="app_profile_template_save_failed">模版保存失败！</string>
     <string name="app_profile_template_import_empty">剪切板为空！</string>
+    <string name="module_changelog_failed">获取更新日志失败：%s</string>
 </resources>

manager/app/src/main/res/values/strings.xml

@@ -103,4 +103,5 @@
     <string name="app_profile_template_sync">Sync online templates</string>
     <string name="app_profile_template_save_failed">Failed to save template</string>
     <string name="app_profile_template_import_empty">Clipboard is empty!</string>
+    <string name="module_changelog_failed">Fetch changelog failed: %s</string>
 </resources>