From a7315d99a2924e0b974207b0310b918e188b9b62 Mon Sep 17 00:00:00 2001
From: Alexander Harding <noreply@harding.dev>
Date: Thu, 30 Jan 2025 21:09:06 -0600
Subject: [PATCH] fix: auto refresh app on db crash (#1829)

---
 src/core/listeners/db.ts     | 47 ++++++++++++++++++++++++++++++++++++
 src/core/listeners/index.tsx |  1 +
 2 files changed, 48 insertions(+)
 create mode 100644 src/core/listeners/db.ts

diff --git a/src/core/listeners/db.ts b/src/core/listeners/db.ts
new file mode 100644
index 0000000000..3f4d4ee84f
--- /dev/null
+++ b/src/core/listeners/db.ts
@@ -0,0 +1,47 @@
+import { App } from "@capacitor/app";
+import Dexie from "dexie";
+
+import { isAppleDeviceInstallable, isNative } from "#/helpers/device";
+
+const DB_CLOSED_STORAGE_KEY = "db-closed";
+
+/**
+ * https://github.com/ionic-team/cordova-plugin-ionic-webview/issues/354#issuecomment-1305878417
+ */
+if (isNative() && isAppleDeviceInstallable()) {
+  App.addListener("appStateChange", async (state) => {
+    const dbLastClosed = +(localStorage.getItem(DB_CLOSED_STORAGE_KEY) || 0);
+    const thirtySecondsAgo = Date.now() - 30_000;
+
+    const reloadedRecently = dbLastClosed > thirtySecondsAgo;
+
+    if (!state.isActive) return;
+    if (reloadedRecently) return;
+
+    console.info("Checking database integrity...");
+
+    // Fix connection Storage sometime lost (iOS)
+    try {
+      await Dexie.exists("WefwefDB");
+    } catch (error) {
+      if (!(error instanceof Error)) throw error;
+      if (error.name !== "UnknownError") throw error;
+      if (
+        !error.message.includes(
+          "Connection to Indexed Database server lost. Refresh the page to try again",
+        )
+      )
+        throw error;
+
+      console.info("Failed database integrity check!", error);
+
+      localStorage.setItem(DB_CLOSED_STORAGE_KEY, Date.now().toString());
+
+      window.location.reload();
+
+      throw error;
+    }
+
+    console.info("Passed database integrity check!");
+  });
+}
diff --git a/src/core/listeners/index.tsx b/src/core/listeners/index.tsx
index f8142fd461..47476aa2a3 100644
--- a/src/core/listeners/index.tsx
+++ b/src/core/listeners/index.tsx
@@ -7,6 +7,7 @@ import HapticsListener from "./HapticsListener";
 
 // Listeners
 import "./androidSafeArea";
+import "./db";
 import "./ionActivatable";
 import "./network/listener";
 import "./statusTap";