Support max_toot_chars

See this commit of how to supply this value in API response. `instance_serializer.rb`

2bf275ba3b

src/@types/mastodon.d.ts

@@ -290,6 +290,9 @@ declare namespace Mastodon {
     // Others
     thumbnail?: string
     contact_account?: Account
+
+    // Custom
+    max_toot_chars?: number
   }
 
   type Mention = {

src/components/Instance.tsx

@@ -149,7 +149,7 @@ const ComponentInstance: React.FC<Props> = ({
         <InstanceAuth
           key={Math.random()}
           instanceDomain={instanceDomain}
-          instanceUri={instanceQuery.data.uri}
+          instance={instanceQuery.data}
           appData={{
             clientId: appsQuery.data.client_id,
             clientSecret: appsQuery.data.client_secret

src/components/Instance/Auth.tsx

@@ -8,13 +8,13 @@ import { useDispatch } from 'react-redux'
 export interface Props {
   instanceDomain: string
   // Domain can be different than uri
-  instanceUri: Mastodon.Instance['uri']
+  instance: Mastodon.Instance
   appData: InstanceLocal['appData']
   goBack?: boolean
 }
 
 const InstanceAuth = React.memo(
-  ({ instanceDomain, instanceUri, appData, goBack }: Props) => {
+  ({ instanceDomain, instance, appData, goBack }: Props) => {
     const redirectUri = AuthSession.makeRedirectUri({
       native: 'tooot://instance-auth',
       useProxy: false
@@ -65,7 +65,8 @@ const InstanceAuth = React.memo(
             localAddInstance({
               url: instanceDomain,
               token: accessToken,
-              uri: instanceUri,
+              uri: instance.uri,
+              max_toot_chars: instance.max_toot_chars,
               appData
             })
           )

src/screens/Compose.tsx

@@ -7,7 +7,10 @@ import formatText from '@screens/Compose/formatText'
 import ComposeRoot from '@screens/Compose/Root'
 import { QueryKeyTimeline } from '@utils/queryHooks/timeline'
 import { updateStoreReview } from '@utils/slices/contextsSlice'
-import { getLocalAccount } from '@utils/slices/instancesSlice'
+import {
+  getLocalAccount,
+  getLocalMaxTootChar
+} from '@utils/slices/instancesSlice'
 import { StyleConstants } from '@utils/styles/constants'
 import { useTheme } from '@utils/styles/ThemeManager'
 import React, { useCallback, useEffect, useReducer, useState } from 'react'
@@ -23,7 +26,7 @@ import {
 import { SafeAreaView } from 'react-native-safe-area-context'
 import { createNativeStackNavigator } from 'react-native-screens/native-stack'
 import { useQueryClient } from 'react-query'
-import { useDispatch } from 'react-redux'
+import { useDispatch, useSelector } from 'react-redux'
 import * as Sentry from 'sentry-expo'
 import ComposeEditAttachment from './Compose/EditAttachment'
 import ComposeContext from './Compose/utils/createContext'
@@ -110,6 +113,7 @@ const ScreenCompose: React.FC<ScreenComposeProp> = ({
     }
   }, [params?.type])
 
+  const maxTootChars = useSelector(getLocalMaxTootChar)
   const totalTextCount =
     (composeState.spoiler.active ? composeState.spoiler.count : 0) +
     composeState.text.count
@@ -160,14 +164,14 @@ const ScreenCompose: React.FC<ScreenComposeProp> = ({
         style={[
           styles.count,
           {
-            color: totalTextCount > 500 ? theme.red : theme.secondary
+            color: totalTextCount > maxTootChars ? theme.red : theme.secondary
           }
         ]}
       >
-        {totalTextCount} / 500
+        {totalTextCount} / {maxTootChars}
       </Text>
     ),
-    [totalTextCount]
+    [totalTextCount, maxTootChars]
   )
   const dispatch = useDispatch()
   const headerRight = useCallback(
@@ -217,14 +221,14 @@ const ScreenCompose: React.FC<ScreenComposeProp> = ({
         loading={composeState.posting}
         disabled={
           composeState.text.raw.length < 1 ||
-          totalTextCount > 500 ||
+          totalTextCount > maxTootChars ||
           (composeState.attachments.uploads.length > 0 &&
             composeState.attachments.uploads.filter(upload => upload.uploading)
               .length > 0)
         }
       />
     ),
-    [totalTextCount, composeState]
+    [totalTextCount, maxTootChars, composeState]
   )
 
   return (

src/store.ts

@@ -6,9 +6,9 @@ import {
   getDefaultMiddleware
 } from '@reduxjs/toolkit'
 import contextsSlice from '@utils/slices/contextsSlice'
-import instancesSlice from '@utils/slices/instancesSlice'
+import instancesSlice, { InstancesState } from '@utils/slices/instancesSlice'
 import settingsSlice from '@utils/slices/settingsSlice'
-import { persistReducer, persistStore } from 'redux-persist'
+import { createMigrate, persistReducer, persistStore } from 'redux-persist'
 
 const secureStorage = createSecureStore()
 
@@ -20,11 +20,26 @@ const contextsPersistConfig = {
   storage: AsyncStorage
 }
 
+const instancesMigration = {
+  2: (state: InstancesState) => {
+    return {
+      ...state,
+      local: {
+        ...state.local,
+        instances: state.local.instances.map(instance => {
+          instance.max_toot_chars = 500
+          return instance
+        })
+      }
+    }
+  }
+}
 const instancesPersistConfig = {
   key: 'instances',
   prefix,
-  version: 1,
-  storage: secureStorage
+  version: 2,
+  storage: secureStorage,
+  migrate: createMigrate(instancesMigration, { debug: true })
 }
 
 const settingsPersistConfig = {

src/utils/slices/instancesSlice.ts

@@ -13,6 +13,7 @@ export type InstanceLocal = {
   url: string
   token: string
   uri: Mastodon.Instance['uri']
+  max_toot_chars: number
   account: {
     id: Mastodon.Account['id']
     acct: Mastodon.Account['acct']
@@ -54,11 +55,13 @@ export const localAddInstance = createAsyncThunk(
     url,
     token,
     uri,
+    max_toot_chars = 500,
     appData
   }: {
     url: InstanceLocal['url']
     token: InstanceLocal['token']
     uri: Mastodon.Instance['uri']
+    max_toot_chars?: number
     appData: InstanceLocal['appData']
   }): Promise<{ type: 'add' | 'overwrite'; data: InstanceLocal }> => {
     const { store } = require('@root/store')
@@ -107,6 +110,7 @@ export const localAddInstance = createAsyncThunk(
         url,
         token,
         uri,
+        max_toot_chars,
         account: {
           id,
           acct,
@@ -273,6 +277,10 @@ export const getLocalUri = ({ instances: { local } }: RootState) =>
   local.activeIndex !== null
     ? local.instances[local.activeIndex].uri
     : undefined
+export const getLocalMaxTootChar = ({ instances: { local } }: RootState) =>
+  local.activeIndex !== null
+    ? local.instances[local.activeIndex].max_toot_chars
+    : 500
 export const getLocalAccount = ({ instances: { local } }: RootState) =>
   local.activeIndex !== null
     ? local.instances[local.activeIndex].account