Move remaining composer state into reducer (#5623)

Co-authored-by: Mary <git@mary.my.id>
Co-authored-by: surfdude29 <149612116+surfdude29@users.noreply.github.com>
Co-authored-by: Hailey <me@haileyok.com>

src/view/com/composer/state/composer.ts

@@ -1,12 +1,17 @@
 import {ImagePickerAsset} from 'expo-image-picker'
+import {AppBskyFeedPostgate, RichText} from '@atproto/api'
 
+import {insertMentionAt} from '#/lib/strings/mention-manip'
 import {
   isBskyPostUrl,
   postUriToRelativePath,
   toBskyAppUrl,
 } from '#/lib/strings/url-helpers'
 import {ComposerImage, createInitialImages} from '#/state/gallery'
+import {createPostgateRecord} from '#/state/queries/postgate/util'
 import {Gif} from '#/state/queries/tenor'
+import {threadgateViewToAllowUISetting} from '#/state/queries/threadgate'
+import {ThreadgateAllowUISetting} from '#/state/queries/threadgate'
 import {ComposerOpts} from '#/state/shell/composer'
 import {createVideoState, VideoAction, videoReducer, VideoState} from './video'
 
@@ -41,12 +46,19 @@ export type EmbedDraft = {
   link: Link | undefined
 }
 
-export type ComposerState = {
-  // TODO: Other draft data.
+export type ComposerDraft = {
+  richtext: RichText
+  labels: string[]
+  postgate: AppBskyFeedPostgate.Record
+  threadgate: ThreadgateAllowUISetting[]
   embed: EmbedDraft
 }
 
 export type ComposerAction =
+  | {type: 'update_richtext'; richtext: RichText}
+  | {type: 'update_labels'; labels: string[]}
+  | {type: 'update_postgate'; postgate: AppBskyFeedPostgate.Record}
+  | {type: 'update_threadgate'; threadgate: ThreadgateAllowUISetting[]}
   | {type: 'embed_add_images'; images: ComposerImage[]}
   | {type: 'embed_update_image'; image: ComposerImage}
   | {type: 'embed_remove_image'; image: ComposerImage}
@@ -67,10 +79,34 @@ export type ComposerAction =
 export const MAX_IMAGES = 4
 
 export function composerReducer(
-  state: ComposerState,
+  state: ComposerDraft,
   action: ComposerAction,
-): ComposerState {
+): ComposerDraft {
   switch (action.type) {
+    case 'update_richtext': {
+      return {
+        ...state,
+        richtext: action.richtext,
+      }
+    }
+    case 'update_labels': {
+      return {
+        ...state,
+        labels: action.labels,
+      }
+    }
+    case 'update_postgate': {
+      return {
+        ...state,
+        postgate: action.postgate,
+      }
+    }
+    case 'update_threadgate': {
+      return {
+        ...state,
+        threadgate: action.threadgate,
+      }
+    }
     case 'embed_add_images': {
       if (action.images.length === 0) {
         return state
@@ -293,12 +329,16 @@ export function composerReducer(
 }
 
 export function createComposerState({
+  initText,
+  initMention,
   initImageUris,
   initQuoteUri,
 }: {
+  initText: string | undefined
+  initMention: string | undefined
   initImageUris: ComposerOpts['imageUris']
   initQuoteUri: string | undefined
-}): ComposerState {
+}): ComposerDraft {
   let media: ImagesMedia | undefined
   if (initImageUris?.length) {
     media = {
@@ -317,7 +357,22 @@ export function createComposerState({
       }
     }
   }
+  const initRichText = new RichText({
+    text: initText
+      ? initText
+      : initMention
+      ? insertMentionAt(
+          `@${initMention}`,
+          initMention.length + 1,
+          `${initMention}`,
+        )
+      : '',
+  })
   return {
+    richtext: initRichText,
+    labels: [],
+    postgate: createPostgateRecord({post: ''}),
+    threadgate: threadgateViewToAllowUISetting(undefined),
     embed: {
       quote,
       media,