discourse/lib/pretty_text/helpers.rb

125 lines
3.4 KiB
Ruby

# frozen_string_literal: true
module PrettyText
module Helpers
extend self
TAG_HASHTAG_POSTFIX = "::tag"
# 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
UrlHelper.schemaless(UrlHelper.absolute(user.avatar_template))
end
def lookup_primary_user_group(username)
return "" unless username
user = User.find_by(username_lower: username.downcase)
return "" unless user.present?
user.primary_group.try(:name) || ""
end
# Overwrite this in a plugin to change how markdown can format
# usernames on the server side
def format_username(username)
username
end
def category_hashtag_lookup(category_slug)
if category = Category.query_from_hashtag_slug(category_slug)
[category.url, category_slug]
else
nil
end
end
def lookup_upload_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.each do |key, value|
reverse_map[value] ||= []
reverse_map[value] << key
end
Upload.where(sha1: map.values).pluck(:sha1, :url, :extension, :original_filename, :secure).each do |row|
sha1, url, extension, original_filename, secure = row
if short_urls = reverse_map[sha1]
secure_media = SiteSetting.secure_media? && secure
short_urls.each do |short_url|
result[short_url] = {
url: secure_media ? Upload.secure_media_url_from_upload_url(url) : Discourse.store.cdn_url(url),
short_path: Upload.short_path(sha1: sha1, extension: extension),
base62_sha1: Upload.base62_sha1(sha1)
}
end
end
end
end
result
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
}
elsif topic
{
title: I18n.t("on_another_topic"),
href: Discourse.base_url + topic.slugless_url
}
end
end
def category_tag_hashtag_lookup(text)
is_tag = text =~ /#{TAG_HASHTAG_POSTFIX}$/
if !is_tag && category = Category.query_from_hashtag_slug(text)
[category.url, text]
elsif (!is_tag && tag = Tag.find_by(name: text)) ||
(is_tag && tag = Tag.find_by(name: text.gsub!(TAG_HASHTAG_POSTFIX, '')))
["#{Discourse.base_url}/tag/#{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