Class: TerminalCal::Calendar

Inherits:
Object
  • Object
show all
Defined in:
lib/terminal_cal/calendar.rb

Constant Summary collapse

DATE_FMT = 
'%m/%d'.freeze
TIME_FMT = 
'%I:%M %p'.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Calendar

Returns a new instance of Calendar.



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# File 'lib/terminal_cal/calendar.rb', line 8

def initialize(options = {})
  @config = options[:config]
  @parser = TerminalCal::CalendarParserFactory.new(options[:parser]).parser

  @source = @config[:source]
  @name   = @config[:name].to_s
  @cache  = @config[:cache] || true
  @cache_life_minutes = @config[:cache_life_minutes] || 10
  @now    = Time.now
  @today  = @now.strftime(DATE_FMT)

  @content = ''
end

Instance Attribute Details

#cache_life_minutes ⇒ Object (readonly)

Returns the value of attribute cache_life_minutes.



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# File 'lib/terminal_cal/calendar.rb', line 6

def cache_life_minutes
  @cache_life_minutes
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/terminal_cal/calendar.rb', line 6

def name
  @name
end

#source ⇒ Object (readonly)

Returns the value of attribute source.



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# File 'lib/terminal_cal/calendar.rb', line 6

def source
  @source
end

Instance Method Details

#cache!(content) ⇒ Object 



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# File 'lib/terminal_cal/calendar.rb', line 66

def cache!(content)
  File.open(cache_path, 'w+') do |file|
    file.write(content)
  end
end

#cache? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/terminal_cal/calendar.rb', line 22

def cache?
  return false unless [true, false].include?(@cache)
  @cache
end

#cache_path ⇒ Object 



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# File 'lib/terminal_cal/calendar.rb', line 61

def cache_path
  filename = "#{@config[:name]}-cached-.ics".downcase
  File.join(TerminalCal::Config::APP_DIR, filename)
end

#events ⇒ Object 



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# File 'lib/terminal_cal/calendar.rb', line 33

def events
  content = 
    if update_cache?
      fetch_events_from_source
    else
      fetch_events_from_cache
    end

  @parser.events(content)
end

#fetch_events_from_cache ⇒ Object 



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# File 'lib/terminal_cal/calendar.rb', line 57

def fetch_events_from_cache
  File.read(cache_path)
end

#fetch_events_from_source ⇒ Object 



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# File 'lib/terminal_cal/calendar.rb', line 44

def fetch_events_from_source
  source = @config[:source]
  content = open(source) { |f| f.read } 

  if cache?
    cache!(content)
  end

  content
rescue ::SocketError => error
  raise TerminalCal::Errors::Error, error.message
end

#todays_events ⇒ Object 



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# File 'lib/terminal_cal/calendar.rb', line 72

def todays_events
  events.sort_by { |e| e.starts_at.to_i }.map do |event|
    next unless event.starts_at.strftime(DATE_FMT) == @today
    next if event.ends_at < @now

    Event.new(date: event.starts_at.strftime(DATE_FMT),
              start_time: event.starts_at.strftime(TIME_FMT),
              end_time: event.ends_at.strftime(TIME_FMT),
              summary: event.summary)
  end.compact
end

#update_cache? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/terminal_cal/calendar.rb', line 27

def update_cache?
  return false unless cache?
  return true unless File.exist?(cache_path)
  (Time.now - File.atime(cache_path)) > (@cache_life_minutes * 60)
end