discourse/lib/theme_resolver.rb
Penar Musaraj 33de5abb6e
DEV: Extract theme resolution to a helper (#27426)
This ensures that the theme id is resolved as early as possible in the
request cycle. This is necessary for the custom homepage to skip
preloading the wrong data.
2024-06-20 11:33:46 -04:00

37 lines
1.1 KiB
Ruby

# frozen_string_literal: true
module ThemeResolver
def self.resolve_theme_id(request, guardian, current_user)
return request.env[:resolved_theme_id] if request.env[:resolved_theme_id] != nil
theme_id = nil
if (preview_theme_id = request[:preview_theme_id]&.to_i) &&
guardian.allow_themes?([preview_theme_id], include_preview: true)
theme_id = preview_theme_id
end
user_option = current_user&.user_option
if theme_id.blank? && request.cookie_jar[:theme_ids].present?
ids, seq = request.cookie_jar[:theme_ids]&.split("|")
id = ids&.split(",")&.map(&:to_i)&.first
if id.present? && seq && seq.to_i == user_option&.theme_key_seq.to_i
theme_id = id if guardian.allow_themes?([id])
end
end
if theme_id.blank?
ids = user_option&.theme_ids || []
theme_id = ids.first if guardian.allow_themes?(ids)
end
if theme_id.blank? && SiteSetting.default_theme_id != -1 &&
guardian.allow_themes?([SiteSetting.default_theme_id])
theme_id = SiteSetting.default_theme_id
end
request.env[:resolved_theme_id] = theme_id
end
end