1 files changed, 136 insertions, 0 deletions
diff --git a/lib/helpers.rb b/lib/helpers.rb
new file mode 100644
index 0000000..a66457f
--- /dev/null
+++ b/lib/helpers.rb
@@ -0,0 +1,136 @@
+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