user avatar typing

app/models/domain/fa/user_avatar.rb

@@ -1,4 +1,4 @@
-# typed: false
+# typed: true
 class Domain::Fa::UserAvatar < ReduxApplicationRecord
   self.table_name = "domain_fa_user_avatars"
 
@@ -22,7 +22,10 @@ class Domain::Fa::UserAvatar < ReduxApplicationRecord
   belongs_to :log_entry, class_name: "::HttpLogEntry", optional: true
 
   def file
-    @file_model ||= BlobEntry.ensure(file_sha256) if file_sha256
+    @file_model ||=
+      if (file_sha256 = self.file_sha256)
+        BlobEntry.ensure(file_sha256)
+      end
   end
 
   def file_uri
@@ -36,7 +39,7 @@ class Domain::Fa::UserAvatar < ReduxApplicationRecord
   end
 
   def guess_user_page_log_entry
-    user.guess_user_page_log_entry
+    user&.guess_user_page_log_entry
   end
 
   def guess_file_uri_from_hles_with_info
@@ -52,6 +55,9 @@ class Domain::Fa::UserAvatar < ReduxApplicationRecord
       end
     end
 
+    user = self.user
+    return nil unless user
+
     posts =
       user
         .posts
@@ -62,10 +68,10 @@ class Domain::Fa::UserAvatar < ReduxApplicationRecord
 
     for post in posts
       if (hle = post.guess_last_submission_page)
-        page = Domain::Fa::Parser::Page.new(hle.response.contents)
+        page = Domain::Fa::Parser::Page.new(T.must(hle.response&.contents))
         next unless page.probably_submission?
-        url = page.submission.artist_avatar_url
-        return :post_page, url, post.fa_id if url
+        avatar_url = page.submission.artist_avatar_url
+        return :post_page, avatar_url, post.fa_id if avatar_url
       end
     end