Add identity setting for default post language

api/schemas.py

@@ -428,7 +428,7 @@ class Preferences(Schema):
                     identity.config_identity.default_post_visibility
                 ],
                 "posting:default:sensitive": False,
-                "posting:default:language": None,
+                "posting:default:language": identity.config_identity.preferred_posting_language,
                 "reading:expand:media": "default",
                 "reading:expand:spoilers": identity.config_identity.expand_content_warnings,
             }

core/models/config.py

@@ -286,6 +286,7 @@ class Config(models.Model):
         visible_reaction_counts: bool = True
         expand_content_warnings: bool = False
         boosts_on_profile: bool = True
+        preferred_posting_language: str | None = None
 
     class DomainOptions(pydantic.BaseModel):
         site_name: str = ""

requirements.txt

@@ -16,6 +16,7 @@ httpx~=0.23
 markdown_it_py~=2.1.0
 pillow~=9.3.0
 psycopg~=3.1.8
+pycountry~=22.3.5
 pydantic~=1.10.2
 pyld~=2.0.3
 pylibmc~=1.6.3

users/views/settings/posting.py

@@ -1,3 +1,5 @@
+import pycountry
+
 from activities.models.post import Post
 from users.views.settings.settings_page import SettingsPage
 
@@ -15,8 +17,24 @@ class PostingPage(SettingsPage):
             "title": "Expand content warnings",
             "help_text": "If content warnings should be expanded by default (not honoured by all clients)",
         },
+        "preferred_posting_language": {
+            "title": "Default posting language",
+            "help_text": "",
+            "choices": sorted(
+                [
+                    (lang.alpha_2, lang.name)
+                    for lang in pycountry.languages
+                    if hasattr(lang, "alpha_2")
+                ],
+                key=lambda lang: lang[1],
+            ),
+        },
     }
 
     layout = {
-        "Posting": ["default_post_visibility", "expand_content_warnings"],
+        "Posting": [
+            "default_post_visibility",
+            "expand_content_warnings",
+            "preferred_posting_language",
+        ],
     }

users/views/settings/settings_page.py

@@ -23,7 +23,7 @@ class SettingsPage(FormView):
     options_class = Config.IdentityOptions
     template_name = "settings/settings.html"
     section: ClassVar[str]
-    options: dict[str, dict[str, str | int]]
+    options: dict[str, dict[str, str | int | list[tuple[int | str, str]]]]
     layout: dict[str, list[str]]
 
     def get_form_class(self):
@@ -42,7 +42,11 @@ class SettingsPage(FormView):
             elif config_field.type_ is UploadedImage:
                 form_field = forms.ImageField
             elif config_field.type_ is str:
-                if details.get("display") == "textarea":
+                choices = details.get("choices")
+                if choices:
+                    field_kwargs["widget"] = forms.Select(choices=choices)
+                    form_field = forms.CharField
+                elif details.get("display") == "textarea":
                     form_field = partial(
                         forms.CharField,
                         widget=forms.Textarea,