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module V1
class MessagesController < ApiController
before_filter :require_login
def index
if Dir.exist?(motd_dir)
if !CommonLanguages::available_code?(params[:locale])
locale = 'en'
else
locale = params[:locale]
end
render json: motd_files_for_locale(locale)
else
render json: []
end
end
# disable per-user messages for now, not supported in the client
#def update
# if message = Message.find(params[:id])
# message.mark_as_read_by(current_user)
# message.save
# render json: success(:marked_as_read)
# else
# render json: error(:not_found), status: :not_found
# end
#end
private
#
# returns list of messages, for example:
#
# [
# {"id": 1, "locale": "en", "text": "<message text>"},
# {"id": 2, "locale": "en", "text": "<message text>"}
# ]
#
# Each message is present only once, using the best choice
# for the locale. The order is determined by the id.
#
def motd_files_for_locale(locale)
files = []
motd_files.keys.each do |id|
if motd_files[id].key?(locale)
msg_locale = locale
elsif motd_files[id].key?('en')
msg_locale = 'en'
else
msg_locale = motd_files[id].keys.first
end
files << {
"id" => id,
"locale" => msg_locale,
"text" => motd_files[id][msg_locale]
}
end
files.sort! {|a,b| a["id"].to_i <=> b["id"].to_i }
return files
end
#
# returns messages of the day as a hash:
# { "1": {"en": "message"}, "2": {"en": "message"} }
#
def motd_files
if motd_changed? || @motd_files.nil?
@motd_files = load_motd_files
else
@motd_files
end
end
def motd_changed?
newest = Dir.glob(File.join(motd_dir, '*.{html,md}')).collect{|file| File.mtime(file)}.max
if @timestamp.nil?
@timestamp = newest
return true
elsif @timestamp < newest
@timestamp = newest
return true
else
return false
end
end
def load_motd_files
files = {}
Dir.glob(File.join(motd_dir, '*.{html,md}')).each do |file|
id, locale, msg = parse_motd_file(file)
next unless id
files[id] ||= {}
files[id][locale] = msg
end
files
end
def parse_motd_file(file)
id, locale, ext = File.basename(file).split('.')
if id.nil? || locale.nil? || ext.nil? || id.to_i.to_s != id || !['md', 'html'].include?(ext)
Rails.logger.error "ERROR: Could not parse MOTD file #{file}"
return nil
end
contents = File.read(file)
if ext == "md"
msg = RDiscount.new(contents, :autolink).to_html
elsif ext == "html"
msg = File.read(file)
end
return id, locale, msg
end
def motd_dir
File.join(APP_CONFIG['customization_directory'], 'motd')
end
end
end
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