First pass at a session handler (#1850)

* First pass at a session handler

* TODOs

* Fix recursion

* Couple more things

* Add back resume session concept

* Handle ready

* Cleanup of initial loading states

* Handle init failure

* Cleanup

* Remove account

* Add updateCurrentAccount

* Remove log

* Cleanup

* Integrate removeAccount

* Add hasSession

* Add to App.native, harden migration

* Use effect to persist data

src/App.native.tsx

@@ -26,6 +26,12 @@ import {Provider as ModalStateProvider} from 'state/modals'
 import {Provider as MutedThreadsProvider} from 'state/muted-threads'
 import {Provider as InvitesStateProvider} from 'state/invites'
 import {Provider as PrefsStateProvider} from 'state/preferences'
+import {
+  Provider as SessionProvider,
+  useSession,
+  useSessionApi,
+} from 'state/session'
+import * as persisted from '#/state/persisted'
 import {i18n} from '@lingui/core'
 import {I18nProvider} from '@lingui/react'
 import {messages} from './locale/locales/en/messages'
@@ -36,6 +42,8 @@ SplashScreen.preventAutoHideAsync()
 
 const InnerApp = observer(function AppImpl() {
   const colorMode = useColorMode()
+  const {isInitialLoad} = useSession()
+  const {resumeSession} = useSessionApi()
   const [rootStore, setRootStore] = useState<RootStoreModel | undefined>(
     undefined,
   )
@@ -52,10 +60,17 @@ const InnerApp = observer(function AppImpl() {
     })
   }, [])
 
+  useEffect(() => {
+    const account = persisted.get('session').currentAccount
+    resumeSession(account)
+  }, [resumeSession])
+
   // show nothing prior to init
-  if (!rootStore) {
+  if (!rootStore || isInitialLoad) {
+    // TODO add a loading state
     return null
   }
+
   return (
     <QueryClientProvider client={queryClient}>
       <ThemeProvider theme={colorMode}>
@@ -88,17 +103,19 @@ function App() {
   }
 
   return (
-    <ShellStateProvider>
-      <PrefsStateProvider>
-        <MutedThreadsProvider>
-          <InvitesStateProvider>
-            <ModalStateProvider>
-              <InnerApp />
-            </ModalStateProvider>
-          </InvitesStateProvider>
-        </MutedThreadsProvider>
-      </PrefsStateProvider>
-    </ShellStateProvider>
+    <SessionProvider>
+      <ShellStateProvider>
+        <PrefsStateProvider>
+          <MutedThreadsProvider>
+            <InvitesStateProvider>
+              <ModalStateProvider>
+                <InnerApp />
+              </ModalStateProvider>
+            </InvitesStateProvider>
+          </MutedThreadsProvider>
+        </PrefsStateProvider>
+      </ShellStateProvider>
+    </SessionProvider>
   )
 }