From 3c457e2010c8a48d87a9d10b9a8d27b9481fe09f Mon Sep 17 00:00:00 2001
From: Aman Chaturvedi <aman.chaturvedi@navi.com>
Date: Sat, 21 Sep 2024 13:57:38 +0530
Subject: [PATCH] TP-80461 | auto app updater fallback added

---
 src/action/appDownloadAction.ts   |  9 ++---
 src/common/BlockerScreen.tsx      | 59 +++++++++++++++++++++----------
 src/components/utlis/apiHelper.ts |  2 ++
 3 files changed, 47 insertions(+), 23 deletions(-)

diff --git a/src/action/appDownloadAction.ts b/src/action/appDownloadAction.ts
index 0d098831..5203abbe 100644
--- a/src/action/appDownloadAction.ts
+++ b/src/action/appDownloadAction.ts
@@ -1,8 +1,9 @@
 import { BuildFlavours } from '@common/Constants';
+import { ApiKeys, getApiUrl } from '@components/utlis/apiHelper';
 import { logError } from '@components/utlis/errorUtils';
 import axios from 'axios';
 import { Linking, NativeModules } from 'react-native';
-import RNFetchBlob from 'rn-fetch-blob';
+import RNFetchBlob from 'react-native-blob-util';
 
 const { ApkInstaller } = NativeModules;
 
@@ -40,12 +41,12 @@ export const downloadApkFromS3 = async (s3Url: string, fileName: string) => {
 
 export const downloadLatestAppS3Url = async (buildFlavour: BuildFlavours) => {
   try {
-    const response = await axios.get(
-      `https://longhorn.navi.com/api/app/download?appType=${buildFlavour}`
-    );
+    const url = getApiUrl(ApiKeys.DOWNLOAD_LATEST_APP, {}, { appType: buildFlavour });
+    const response = await axios.get(url);
     return response.data.downloadPreSignedUrl;
   } catch (err) {
     logError(err as Error, 'Error while downloading the latest app');
+    return '';
   }
 };
 
diff --git a/src/common/BlockerScreen.tsx b/src/common/BlockerScreen.tsx
index 60c4d8ce..853e880e 100644
--- a/src/common/BlockerScreen.tsx
+++ b/src/common/BlockerScreen.tsx
@@ -46,7 +46,10 @@ const BlockerScreen = (props: IBlockerScreen) => {
     (roles?.length === 1 && roles.includes(IUserRole.ROLE_FIELD_AGENT)) ||
     roles.includes(IUserRole.ROLE_OMA);
 
-  const [shouldUpdate, setShouldUpdate] = useState<string>('');
+  const [shouldUpdate, setShouldUpdate] = useState({
+    newApkCachedUrl: '',
+    switchToFallback: false,
+  });
 
   const [showActionBtnLoader, setShowActionBtnLoader] = useState(false);
   const dispatch = useAppDispatch();
@@ -57,32 +60,36 @@ const BlockerScreen = (props: IBlockerScreen) => {
   const downloadLatestApp = async () => {
     let apkFileUrl;
     if (GLOBAL.BUILD_FLAVOUR.includes(BuildFlavours.FIELD_AGENTS)) {
-      // Field agent
+      // Download app for Field agent
       apkFileUrl = await downloadLatestApkAndGetFilePath(BuildFlavours.FIELD_AGENTS);
     } else {
-      // Calling agent
+      // Download app for Calling agent
       apkFileUrl = await downloadLatestApkAndGetFilePath(BuildFlavours.CALLING_AGENTS);
     }
     if (apkFileUrl) {
-      setShouldUpdate(apkFileUrl);
+      setShouldUpdate({ newApkCachedUrl: apkFileUrl, switchToFallback: false });
+    } else {
+      setShouldUpdate({ newApkCachedUrl: '', switchToFallback: true });
     }
   };
 
   const handleAppUpdate = () => {
-    if (shouldUpdate) {
-      installApk(shouldUpdate, (error) => {
-        if (!error) {
-          return;
-        }
-        let fallbackLonghornUrl;
-        if (GLOBAL.BUILD_FLAVOUR.includes('fieldAgents')) {
-          fallbackLonghornUrl = appState?.fieldAgents?.currentProdAPK;
-        } else {
-          fallbackLonghornUrl = appState?.telecallingAgents?.currentProdAPK;
-        }
-        openFallbackLonghornLink(fallbackLonghornUrl);
-      });
+    let fallbackLonghornUrl;
+    if (GLOBAL.BUILD_FLAVOUR.includes('fieldAgents')) {
+      fallbackLonghornUrl = appState?.fieldAgents?.currentProdAPK;
+    } else {
+      fallbackLonghornUrl = appState?.telecallingAgents?.currentProdAPK;
     }
+    if (!shouldUpdate.newApkCachedUrl) {
+      openFallbackLonghornLink(fallbackLonghornUrl);
+      return;
+    }
+    installApk(shouldUpdate.newApkCachedUrl, (error) => {
+      if (!error) {
+        return;
+      }
+      openFallbackLonghornLink(fallbackLonghornUrl);
+    });
   };
 
   React.useEffect(() => {
@@ -106,7 +113,10 @@ const BlockerScreen = (props: IBlockerScreen) => {
     ) {
       downloadLatestApp();
     } else {
-      setShouldUpdate('');
+      setShouldUpdate({
+        newApkCachedUrl: '',
+        switchToFallback: false,
+      });
       deleteCachedApkFiles();
     }
   }, [appState]);
@@ -145,10 +155,21 @@ const BlockerScreen = (props: IBlockerScreen) => {
     }
   };
 
-  if (shouldUpdate) {
+  if (shouldUpdate.newApkCachedUrl) {
     return <AppUpdate onAppUpdate={handleAppUpdate} />;
   }
 
+  if (shouldUpdate.switchToFallback) {
+    const { heading, instructions } = BLOCKER_SCREEN_DATA.UNINSTALL_APP;
+    return (
+      <BlockerInstructions
+        heading={heading}
+        instructions={instructions}
+        actionBtn={{ title: 'Download New App', action: handleAppUpdate }}
+      />
+    );
+  }
+
   if (!isTimeSynced) {
     const { heading, instructions } = BLOCKER_SCREEN_DATA.TIME_UNSYNC;
     return (
diff --git a/src/components/utlis/apiHelper.ts b/src/components/utlis/apiHelper.ts
index 0a78bad9..6d212bb3 100644
--- a/src/components/utlis/apiHelper.ts
+++ b/src/components/utlis/apiHelper.ts
@@ -94,6 +94,7 @@ export enum ApiKeys {
   SEND_COMMUNICATION_NAVI_ACCOUNT = 'SEND_COMMUNICATION_NAVI_ACCOUNT',
   SYNC_CALL_FEEDBACK_NUDGE_DETAILS = 'SYNC_CALL_FEEDBACK_NUDGE_DETAILS',
   GENERATE_DYNAMIC_DOCUMENT = 'GENERATE_DYNAMIC_DOCUMENT',
+  DOWNLOAD_LATEST_APP = 'DOWNLOAD_LATEST_APP'
 }
 
 export const API_URLS: Record<ApiKeys, string> = {} as Record<ApiKeys, string>;
@@ -180,6 +181,7 @@ API_URLS[ApiKeys.FETCH_AGENT_DOCUMENTS] = '/documents/agent';
 API_URLS[ApiKeys.FETCH_DOCUMENT_SPECIFIC_LANGUAGE] = '/documents/language/{loanAccountNumber}';
 API_URLS[ApiKeys.SEND_COMMUNICATION_NAVI_ACCOUNT] = '/navi-communications/{loanAccountNumber}';
 API_URLS[ApiKeys.GENERATE_DYNAMIC_DOCUMENT] = '/documents/generate/{loanAccountNumber}';
+API_URLS[ApiKeys.DOWNLOAD_LATEST_APP] = 'https://longhorn.navi.com/api/app/download';
 
 export const API_STATUS_CODE = {
   OK: 200,