discourse/lib/pretty_text/helpers.rb

107 lines
2.7 KiB
Ruby

require_dependency 'inline_oneboxer'
module PrettyText
module Helpers
extend self
# functions here are available to v8
def t(key, opts)
key = "js." + key
unless opts
I18n.t(key)
else
str = I18n.t(key, Hash[opts.entries].symbolize_keys).dup
opts.each { |k, v| str.gsub!("{{#{k.to_s}}}", v.to_s) }
str
end
end
def avatar_template(username)
return "" unless username
user = User.find_by(username_lower: username.downcase)
return "" unless user.present?
# TODO: Add support for ES6 and call `avatar-template` directly
if !user.uploaded_avatar_id
avatar_template = User.default_template(username)
else
avatar_template = user.avatar_template
end
UrlHelper.schemaless UrlHelper.absolute avatar_template
end
def mention_lookup(name)
return false if name.blank?
return "group" if Group.exists?(name: name)
return "user" if User.exists?(username_lower: name.downcase)
end
def category_hashtag_lookup(category_slug)
if category = Category.query_from_hashtag_slug(category_slug)
[category.url_with_id, category_slug]
else
nil
end
end
def lookup_image_urls(urls)
map = {}
result = {}
urls.each do |url|
sha1 = Upload.sha1_from_short_url(url)
map[url] = sha1 if sha1
end
if map.length > 0
reverse_map = map.invert
Upload.where(sha1: map.values).pluck(:sha1, :url).each do |row|
sha1, url = row
if short_url = reverse_map[sha1]
result[short_url] = url
end
end
end
result
end
def lookup_inline_onebox(url)
InlineOneboxer.lookup(url)
end
def get_topic_info(topic_id)
return unless topic_id.is_a?(Integer)
# TODO this only handles public topics, secured one do not get this
topic = Topic.find_by(id: topic_id)
if topic && Guardian.new.can_see?(topic)
{
title: Rack::Utils.escape_html(topic.title),
href: topic.url
}
end
end
def category_tag_hashtag_lookup(text)
tag_postfix = '::tag'
is_tag = text =~ /#{tag_postfix}$/
if !is_tag && category = Category.query_from_hashtag_slug(text)
[category.url_with_id, text]
elsif is_tag && tag = Tag.find_by_name(text.gsub!("#{tag_postfix}", ''))
["#{Discourse.base_url}/tags/#{tag.name}", text]
else
nil
end
end
def get_current_user(user_id)
return unless user_id.is_a?(Integer)
{ staff: User.where(id: user_id).where("moderator OR admin").exists? }
end
end
end