Allow configuration of default post language

src/components/post_status_form/post_status_form.js

@@ -138,7 +138,12 @@ const PostStatusForm = {
       statusText = buildMentionsString({ user: this.repliedUser, attentions: this.attentions }, currentUser)
     }
 
-    const { postContentType: contentType, sensitiveByDefault, sensitiveIfSubject, interfaceLanguage } = this.$store.getters.mergedConfig
+    const {
+      postContentType: contentType,
+      postLanguage: language,
+      sensitiveByDefault,
+      sensitiveIfSubject,
+    } = this.$store.getters.mergedConfig
 
     let statusParams = {
       spoilerText: this.subject || '',
@@ -149,12 +154,13 @@ const PostStatusForm = {
       poll: {},
       mediaDescriptions: {},
       visibility: this.suggestedVisibility(),
-      language: interfaceLanguage,
-      contentType
+      contentType,
+      language
     }
 
     if (this.statusId || this.isRedraft) {
       const statusContentType = this.statusContentType || contentType
+      const statusLanguage = this.statusLanguage || language
       statusParams = {
         spoilerText: this.subject || '',
         status: this.statusText || '',
@@ -164,8 +170,8 @@ const PostStatusForm = {
         poll: this.statusPoll || {},
         mediaDescriptions: this.statusMediaDescriptions || {},
         visibility: this.statusScope || this.suggestedVisibility(),
-        language: this.statusLanguage || interfaceLanguage,
-        contentType: statusContentType
+        contentType: statusContentType,
+        language: statusLanguage
       }
     }
 
@@ -189,8 +195,8 @@ const PostStatusForm = {
           poll: draft.data.poll,
           mediaDescriptions: draft.data.mediaDescriptions,
           visibility: draft.data.visibility,
-          language: draft.data.language,
-          contentType: draft.data.contentType
+          contentType: draft.data.contentType,
+          language: draft.data.language
         }
 
         if (draft.data.poll) {

src/components/settings_modal/tabs/general_tab.js

@@ -10,6 +10,7 @@ import { library } from '@fortawesome/fontawesome-svg-core'
 import {
   faGlobe, faSync
 } from '@fortawesome/free-solid-svg-icons'
+import iso6391 from 'iso-639-1'
 
 library.add(
   faGlobe,
@@ -80,6 +81,15 @@ const GeneralTab = {
         label: this.$t(`post_status.content_type["${format}"]`)
       }))
     },
+    postLanguages () {
+      return iso6391.getLanguages(iso6391.getAllCodes())
+        .map(lang => ({
+          key: lang.code,
+          value: lang.code,
+          label: lang.nativeName,
+        }))
+        .sort((a, b) => a.label.localeCompare(b.label));
+    },
     instanceSpecificPanelPresent () { return this.$store.state.instance.showInstanceSpecificPanel },
     instanceWallpaperUsed () {
       return this.$store.state.instance.background &&

src/components/settings_modal/tabs/general_tab.vue

@@ -587,6 +587,15 @@
             {{ $t('settings.subject_line_behavior') }}
           </ChoiceSetting>
         </li>
+        <li>
+          <ChoiceSetting
+            id="postLanguage"
+            path="postLanguage"
+            :options="postLanguages"
+          >
+            {{ $t('settings.post_status_language') }}
+          </ChoiceSetting>
+        </li>
         <li v-if="postFormats.length > 0">
           <ChoiceSetting
             id="postContentType"

src/i18n/en.json

@@ -682,6 +682,7 @@
         "play_videos_in_modal": "Play videos in a popup frame",
         "post_look_feel": "Posts Look & Feel",
         "post_status_content_type": "Default post content type",
+        "post_status_language": "Default post language",
         "posts": "Posts",
         "preload_images": "Preload images",
         "presets": "Presets",

src/i18n/ja_pedantic.json

@@ -681,6 +681,7 @@
         "play_videos_in_modal": "ビデオをメディアビューアーで見る",
         "post_look_feel": "投稿の見た目",
         "post_status_content_type": "投稿のコンテントタイプ",
+        "post_status_language": "投稿の言語",
         "posts": "投稿",
         "preload_images": "画像を先読みする",
         "presets": "プリセット",

src/modules/config.js

@@ -14,6 +14,7 @@ const browserLocale = (window.navigator.language || 'en').split('-')[0]
  */
 export const multiChoiceProperties = [
   'postContentType',
+  'postLanguage',
   'subjectLineBehavior',
   'conversationDisplay', // tree | linear
   'conversationOtherRepliesButton', // below | inside
@@ -79,6 +80,7 @@ export const defaultState = {
   subjectLineBehavior: undefined, // instance default
   alwaysShowSubjectInput: undefined, // instance default
   postContentType: undefined, // instance default
+  postLanguage: browserLocale,
   // This hides statuses filtered via a word filter
   hideFilteredStatuses: undefined, // instance default
   modalOnRepeat: undefined, // instance default