619 restructure local storage (#628)

* To MMKV migration working

* POC migrated font size settings

* Moved settings to mmkv

* Fix typos

* Migrated contexts slice

* Migrated app slice

* POC instance emoji update

* Migrated drafts

* Migrated simple instance properties

* All migrated!

* Re-structure files

* Tolerant of undefined settings

* Can properly logging in and out including empty state

src/utils/startup/netInfo.ts

@@ -0,0 +1,67 @@
+import NetInfo from '@react-native-community/netinfo'
+import { onlineManager } from '@tanstack/react-query'
+import apiInstance from '@utils/api/instance'
+import { storage } from '@utils/storage'
+import { getAccountStorage, removeAccount, setAccountStorage } from '@utils/storage/actions'
+import log from './log'
+
+const netInfo = async (): Promise<{
+  connected?: boolean
+  corrupted?: string
+} | void> => {
+  log('log', 'netInfo', 'initializing')
+
+  const netInfo = await NetInfo.fetch()
+
+  onlineManager.setEventListener(setOnline => {
+    return NetInfo.addEventListener(state => {
+      setOnline(!!state.isConnected)
+    })
+  })
+
+  if (netInfo.isConnected) {
+    log('log', 'netInfo', 'network connected')
+    if (storage.account) {
+      const domain = getAccountStorage.string('auth.domain')
+      const id = getAccountStorage.string('auth.account.id')
+      const account = `${domain}/${id}`
+      log('log', 'netInfo', 'checking locally stored credentials')
+
+      let resVerify: Mastodon.Account
+      try {
+        resVerify = await apiInstance<Mastodon.Account>({
+          method: 'get',
+          url: `accounts/verify_credentials`
+        }).then(res => res.body)
+      } catch (error: any) {
+        log('error', 'netInfo', 'local credential check failed')
+        if (error?.status && error.status == 401) {
+          removeAccount(account)
+        }
+        return Promise.resolve({ corrupted: error.data?.error })
+      }
+
+      log('log', 'netInfo', 'local credential check passed')
+      if (resVerify.id !== id) {
+        log('error', 'netInfo', 'local id does not match remote id')
+        removeAccount(account)
+        return Promise.resolve({ connected: true, corrupted: '' })
+      } else {
+        setAccountStorage([
+          { key: 'auth.account.acct', value: resVerify.acct },
+          { key: 'auth.account.avatar_static', value: resVerify.avatar_static }
+        ])
+
+        return Promise.resolve({ connected: true })
+      }
+    } else {
+      log('log', 'netInfo', 'no local credential found')
+      return Promise.resolve()
+    }
+  } else {
+    log('warn', 'netInfo', 'network not connected')
+    return Promise.resolve()
+  }
+}
+
+export default netInfo