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include Nanoc::Helpers::Blogging
include Nanoc::Helpers::Rendering
require 'date'
# Defining state constants
module State
UP=1
DOWN=2
WARNING=3
end
def service_icons(service)
content = ""
if service_has_notices?(service)
content << notice_icon + " "
end
unless (forced_state = get_forced_state(service)) == nil
content << status_icon(forced_state)
return content
end
case ServiceRegistry.instance.services[service]
when State::UP
content << status_icon('up')
when State::WARNING
content << status_icon('warning')
when State::DOWN
content << status_icon('down')
else
content << status_icon('na')
end
content
end
def status_icon(status)
case status.to_s
when 'up'
return '<img src="/img/status_up.png" alt="The service is up and running." title="The service is up and running." />'
when 'down'
return '<img src="/img/status_down.png" alt="The service is down." title="The service is down." />'
when 'warning'
return '<img src="/img/status_warning.png" alt="There are issues with the service." title="There are issues with the service." />'
when 'maintenance'
return '<img src="/img/maintenance.png" alt="The service is undergoing scheduled maintenance." title="The service is undergoing scheduled maintenance." />'
else
return '<img src="/img/na.png" alt="No data available." title="No data available." />'
end
end
def notice_icon
return '<img src="/img/notice.png" alt="There are notices regarding this service posted below." title="There are notices regarding this service posted below." />'
end
def item_icon(type)
case type.to_s
when 'maintenance'
return '<img src="' + base_url + 'img/maintenance.png" alt="Scheduled maintenance" title="Scheduled maintenance" />'
when 'outage'
return '<img src="' + base_url + '/img/outage.png" alt="Unplanned outage" title="Unplanned outage" />'
when 'information'
return '<img src="' + base_url + '/img/information.png" alt="General information" title="General information" />'
end
end
# Compiles all active notices into one piece of HTML
def notices
content=""
sorted_articles.each do |notice|
next if is_expired? notice
content += notice.compiled_content(:snapshot => :single_post)
end
content
end
# Are there any notices for the service?
def service_has_notices?(service)
articles.each do |notice|
next if is_expired? notice
if notice.attributes.has_key? :affects and notice[:affects].include? service
return true
end
end
false
end
def get_forced_state(service)
return nil unless service_has_notices?(service)
sorted_articles.each do |notice|
next if is_expired? notice
if notice.attributes.has_key? :affects and notice[:affects].include? service
return notice[:force_state] if notice.attributes.has_key? :force_state
end
end
end
# Filters expired items and items w/o expiration date that are older than a week.
def is_expired?(notice)
if notice.attributes.has_key? :active
return true if notice[:active] != true
end
if notice.attributes.has_key? :expire
expire_date = DateTime.parse(notice[:expire])
DateTime.now > expire_date
else
creation_date = DateTime.parse(notice[:created_at])
date_diff = DateTime.now - creation_date
date_diff.to_i > 7
end
end
def feed_proc
lambda do |notice|
notice.compiled_content(:snapshot => :single_post)
end
end
def feed_articles
articles.select {|n| not is_expired? n}
end
def base_url
@site.config[:base_url] + '/'
end
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