application_helper.rb
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module ApplicationHelper
def message_graph(problem)
create_percentage_table_for(problem.messages)
end
def generate_problem_ical(notices)
RiCal.Calendar do |cal|
notices.each_with_index do |notice,idx|
cal.event do |event|
event.summary = "#{idx+1} #{notice.message.to_s}"
event.description = notice.url if notice.url
event.dtstart = notice.created_at.utc
event.dtend = notice.created_at.utc + 60.minutes
event.organizer = notice.server_environment && notice.server_environment["hostname"]
event.location = notice.project_root
event.url = app_problem_url(:app_id => notice.problem.app.id, :id => notice.problem)
end
end
end.to_s
end
def generate_ical(deploys)
RiCal.Calendar { |cal|
deploys.each_with_index do |deploy,idx|
cal.event do |event|
event.summary = "#{idx+1} #{deploy.repository.to_s}"
event.description = deploy.revision.to_s
event.dtstart = deploy.created_at.utc
event.dtend = deploy.created_at.utc + 60.minutes
event.location = deploy.environment.to_s
event.organizer = deploy.username.to_s
end
end
}.to_s
end
def user_agent_graph(problem)
create_percentage_table_for(problem.user_agents)
end
def tenant_graph(problem)
create_percentage_table_for(problem.hosts)
end
def create_percentage_table_for(collection)
create_percentage_table_from_tallies(tally(collection))
end
def tally(collection)
collection.values.inject({}) do |tallies, tally|
tallies[tally['value']] = tally['count']
tallies
end
end
def create_percentage_table_from_tallies(tallies, options={})
total = (options[:total] || total_from_tallies(tallies))
percent = 100.0 / total.to_f
rows = tallies.map {|value, count| [(count.to_f * percent), value]} \
.sort {|a, b| b[0] <=> a[0]}
render "problems/tally_table", :rows => rows
end
def head(collection)
collection.first(head_size)
end
def tail(collection)
collection.to_a[head_size..-1].to_a
end
private
def total_from_tallies(tallies)
tallies.values.inject(0) {|sum, n| sum + n}
end
def head_size
4
end
end