backfill fa posted_at field

Rakefile

@@ -94,14 +94,60 @@ task :reverse_csv do
 end
 
 task migrate_domain: :environment do
-  # Domain::MigrateToDomain.new.migrate_e621_users
-  # Domain::MigrateToDomain.new.migrate_e621_posts
-  # Domain::MigrateToDomain.new.migrate_fa_users
-  # Domain::MigrateToDomain.new.migrate_fa_posts
-  # Domain::MigrateToDomain.new.migrate_e621_users_favs
-  # Domain::MigrateToDomain.new.migrate_fa_users_favs
-  # Domain::MigrateToDomain.new.migrate_fa_users_followed_users
-  # Domain::MigrateToDomain.new.migrate_inkbunny_users
-  Domain::MigrateToDomain.new.migrate_inkbunny_posts
-  Domain::MigrateToDomain.new.migrate_inkbunny_pools
+  only_user = ENV["only_user"]
+  migrator = Domain::MigrateToDomain.new
+  migrator.migrate_e621_users(only_user: only_user)
+  migrator.migrate_e621_posts(only_user: only_user)
+  migrator.migrate_fa_users(only_user: only_user)
+  migrator.migrate_fa_posts(only_user: only_user)
+  migrator.migrate_e621_users_favs(only_user: only_user)
+  migrator.migrate_fa_users_favs(only_user: only_user)
+  migrator.migrate_fa_users_followed_users(only_user: only_user)
+  migrator.migrate_inkbunny_users(only_user: only_user)
+  migrator.migrate_inkbunny_posts(only_user: only_user)
+  migrator.migrate_inkbunny_pools(only_user: nil) if only_user.nil?
+end
+
+task infer_last_submission_log_entries: :environment do
+  only_fa_id = ENV["only_fa_id"]
+
+  if only_fa_id
+    relation = Domain::Fa::Post.where(fa_id: only_fa_id)
+  else
+    relation =
+      Domain::Fa::Post
+        .where(state: :ok)
+        .where(last_submission_page_id: nil)
+        .or(Domain::Fa::Post.where(state: :ok).where(posted_at: nil))
+  end
+
+  relation.find_each do |post|
+    parts = ["[id: #{post.id}]", "[fa_id: #{post.fa_id}]"]
+    log_entry = post.guess_last_submission_page
+    if log_entry
+      contents = log_entry.response&.contents
+      if contents
+        parser = Domain::Fa::Parser::Page.new(contents)
+        if parser.submission_not_found?
+          parts << "[removed]"
+          post.state = :removed
+        else
+          posted_at = parser.submission.posted_date
+          parts << "[posted_at_parser: #{posted_at}]" if posted_at
+        end
+      end
+
+      if post.last_submission_page_id.present? &&
+           log_entry.id != post.last_submission_page_id
+        parts << "[overwrite]"
+      end
+      post.last_submission_page_id = log_entry.id
+      posted_at = post.posted_at ||= post.guess_posted_at
+      parts << "[posted_at_attr: #{posted_at}]" if posted_at
+      parts << "[submission log entry: #{log_entry.id}]"
+      parts << "[uri: #{log_entry.uri.to_s}]"
+      puts parts.join(" ")
+      post.save!
+    end
+  end
 end