[Gekidou] post component tree and partial postList (#5637)

app/utils/document/index.ts

@@ -0,0 +1,64 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+import {IntlShape} from 'react-intl';
+import {Alert} from 'react-native';
+
+export function alertFailedToOpenDocument(file: FileInfo, intl: IntlShape) {
+    Alert.alert(
+        intl.formatMessage({
+            id: 'mobile.document_preview.failed_title',
+            defaultMessage: 'Open Document failed',
+        }),
+        intl.formatMessage({
+            id: 'mobile.document_preview.failed_description',
+            defaultMessage: 'An error occurred while opening the document. Please make sure you have a {fileType} viewer installed and try again.\n',
+        }, {
+            fileType: file.extension.toUpperCase(),
+        }),
+        [{
+            text: intl.formatMessage({
+                id: 'mobile.server_upgrade.button',
+                defaultMessage: 'OK',
+            }),
+        }],
+    );
+}
+
+export function alertDownloadDocumentDisabled(intl: IntlShape) {
+    Alert.alert(
+        intl.formatMessage({
+            id: 'mobile.downloader.disabled_title',
+            defaultMessage: 'Download disabled',
+        }),
+        intl.formatMessage({
+            id: 'mobile.downloader.disabled_description',
+            defaultMessage: 'File downloads are disabled on this server. Please contact your System Admin for more details.\n',
+        }),
+        [{
+            text: intl.formatMessage({
+                id: 'mobile.server_upgrade.button',
+                defaultMessage: 'OK',
+            }),
+        }],
+    );
+}
+
+export function alertDownloadFailed(intl: IntlShape) {
+    Alert.alert(
+        intl.formatMessage({
+            id: 'mobile.downloader.failed_title',
+            defaultMessage: 'Download failed',
+        }),
+        intl.formatMessage({
+            id: 'mobile.downloader.failed_description',
+            defaultMessage: 'An error occurred while downloading the file. Please check your internet connection and try again.\n',
+        }),
+        [{
+            text: intl.formatMessage({
+                id: 'mobile.server_upgrade.button',
+                defaultMessage: 'OK',
+            }),
+        }],
+    );
+}