module Decidim::Meetings::MeetingsHelper

def calculate_start_and_end_time_of_agenda_items(agenda_items, meeting, start_time_parent = nil)

Returns an Array.

start_time_parent - used to pass the start time of parent agenda item
meeting - the meeting of the agenda, to know the start and end time
agenda_items - an Active record of agenda items

of each agenda item passed
Public: This method is used to calculate the start and end time 
def calculate_start_and_end_time_of_agenda_items(agenda_items, meeting, start_time_parent = nil)
  array = []
  agenda_items.each_with_index do |agenda_item, index|
    hash = {
      agenda_item_id: agenda_item.id,
      start_time: nil,
      end_time: nil
    }
    if index.zero?
      start = if agenda_item.parent?
                meeting.start_time
              else
                start_time_parent
              end
      hash[:start_time] = start
    else
      hash[:start_time] = array[index - 1][:end_time]
    end
    hash[:end_time] = hash[:start_time] + agenda_item.duration.minutes
    array.push(hash)
  end
  array
end

def display_duration_agenda_items(agenda_item_id, index, agenda_items_times)

Returns an HMTL.

agenda_items_times - is a hash with the two times
agenda_item_id - an id of agenda item

and end time of each agenda item
Public: This method is used to build the html for show start 
def display_duration_agenda_items(agenda_item_id, index, agenda_items_times)
  html = ""
  if agenda_item_id == agenda_items_times[index][:agenda_item_id]
    html += "[ #{agenda_items_times[index][:start_time].strftime("%H:%M")} - #{agenda_items_times[index][:end_time].strftime("%H:%M")}]"
  end
  html.html_safe
end

def meeting_description(meeting, max_length = 120)

Returns the meeting's description truncated.

max_length - a number to limit the length of the description
meeting - a Decidim::Meeting instance

Public: truncates the meeting description 
def meeting_description(meeting, max_length = 120)
  link = resource_locator(meeting).path
  description = present(meeting).description
  tail = "... #{link_to(t("read_more", scope: "decidim.meetings"), link)}".html_safe
  CGI.unescapeHTML html_truncate(description, max_length: max_length, tail: tail)
end

def meeting_type_badge_css_class(type)

Returns a String.

type - The String type of the meeting.

the css class.
Public: The css class applied based on the meeting type to 
def meeting_type_badge_css_class(type)
  case type
  when "private"
    "alert"
  when "transparent"
    "secondary"
  end
end