require 'digest/md5' module ApplicationHelper def get_color(user) Digest::MD5.hexdigest(user.nickname)[0..5] end def get_color_style(user) "background-color: \#"+ get_color(user) +";" end def euro(f) number_to_currency(f, unit: '€') end def f_form_for(record, options = {}, &block) options[:builder] = FormattedFormBuilder form_for(record, options, &block) end def slack_notification(user, message) require 'net/http' require 'json' postData = Net::HTTP.post_form(URI.parse('https://slack.com/api/users.list'), {'token'=>'xoxp-2484654576-2817526333-4116062828-04487a'}) slackmember = JSON.parse(postData.body)["members"].select{ |m| m["profile"]["email"] == user.uid + "@zeus.ugent.be" }.first if slackmember Webhook.new(channel: "@" + slackmember["name"], username: "Tab").ping(message) end end end