Add accept-language header (#2457)

src/lib/api/feed/custom.ts

@@ -4,15 +4,20 @@ import {
 } from '@atproto/api'
 import {FeedAPI, FeedAPIResponse} from './types'
 import {getAgent} from '#/state/session'
+import {getContentLanguages} from '#/state/preferences/languages'
 
 export class CustomFeedAPI implements FeedAPI {
   constructor(public params: GetCustomFeed.QueryParams) {}
 
   async peekLatest(): Promise<AppBskyFeedDefs.FeedViewPost> {
-    const res = await getAgent().app.bsky.feed.getFeed({
+    const contentLangs = getContentLanguages().join(',')
+    const res = await getAgent().app.bsky.feed.getFeed(
+      {
         ...this.params,
         limit: 1,
-    })
+      },
+      {headers: {'Accept-Language': contentLangs}},
+    )
     return res.data.feed[0]
   }
 
@@ -23,11 +28,15 @@ export class CustomFeedAPI implements FeedAPI {
     cursor: string | undefined
     limit: number
   }): Promise<FeedAPIResponse> {
-    const res = await getAgent().app.bsky.feed.getFeed({
+    const contentLangs = getContentLanguages().join(',')
+    const res = await getAgent().app.bsky.feed.getFeed(
+      {
         ...this.params,
         cursor,
         limit,
-    })
+      },
+      {headers: {'Accept-Language': contentLangs}},
+    )
     if (res.success) {
       // NOTE
       // some custom feeds fail to enforce the pagination limit

src/lib/api/feed/merge.ts

@@ -8,6 +8,7 @@ import {FeedAPI, FeedAPIResponse, ReasonFeedSource} from './types'
 import {FeedParams} from '#/state/queries/post-feed'
 import {FeedTunerFn} from '../feed-manip'
 import {getAgent} from '#/state/session'
+import {getContentLanguages} from '#/state/preferences/languages'
 
 const REQUEST_WAIT_MS = 500 // 500ms
 const POST_AGE_CUTOFF = 60e3 * 60 * 24 // 24hours
@@ -231,11 +232,15 @@ class MergeFeedSource_Custom extends MergeFeedSource {
     limit: number,
   ): Promise<AppBskyFeedGetTimeline.Response> {
     try {
-      const res = await getAgent().app.bsky.feed.getFeed({
+      const contentLangs = getContentLanguages().join(',')
+      const res = await getAgent().app.bsky.feed.getFeed(
+        {
           cursor,
           limit,
           feed: this.feedUri,
-      })
+        },
+        {headers: {'Accept-Language': contentLangs}},
+      )
       // NOTE
       // some custom feeds fail to enforce the pagination limit
       // so we manually truncate here