Class: ICalPal::Event

Inherits:
Object
  • Object
show all
Includes:
ICalPal
Defined in:
lib/event.rb

Overview

Class representing items from the CalendarItem table

Constant Summary collapse

QUERY = 
<<~SQL
SELECT DISTINCT

Store.name AS account,
Store.type,

Calendar.color,
Calendar.title AS calendar,
Calendar.subcal_url,
Calendar.symbolic_color_name,

CAST(CalendarItem.end_date AS INT) AS end_date,
CAST(CalendarItem.orig_date AS INT) AS orig_date,
CAST(CalendarItem.start_date AS INT) AS start_date,
CAST(CalendarItem.end_date - CalendarItem.start_date AS INT) AS duration,
CalendarItem.all_day,
CalendarItem.availability,
CalendarItem.conference_url_detected,
CalendarItem.description AS notes,
CalendarItem.has_recurrences,
CalendarItem.invitation_status,
CalendarItem.orig_item_id,
CalendarItem.rowid,
CalendarItem.start_tz,
CalendarItem.status,
CalendarItem.summary AS title,
CalendarItem.unique_identifier,
CalendarItem.url,
CalendarItem.uuid,

json_group_array(DISTINCT CAST(ExceptionDate.date AS INT)) AS xdate,

json_group_array(DISTINCT Identity.display_name) AS attendees,

Location.address AS address,
Location.title AS location,

Recurrence.count,
CAST(Recurrence.end_date AS INT) AS rend_date,
Recurrence.frequency,
Recurrence.interval,
Recurrence.specifier,

min(Alarm.trigger_interval) AS trigger_interval

FROM Store

JOIN Calendar ON Calendar.store_id = Store.rowid
JOIN CalendarItem ON CalendarItem.calendar_id = Calendar.rowid

LEFT OUTER JOIN Location ON Location.rowid = CalendarItem.location_id
LEFT OUTER JOIN Recurrence ON Recurrence.owner_id = CalendarItem.rowid
LEFT OUTER JOIN ExceptionDate ON ExceptionDate.owner_id = CalendarItem.rowid
LEFT OUTER JOIN Alarm ON Alarm.calendaritem_owner_id = CalendarItem.rowid
LEFT OUTER JOIN Participant ON Participant.owner_id = CalendarItem.rowid
LEFT OUTER JOIN Identity ON Identity.rowid = Participant.identity_id

WHERE Store.disabled IS NOT 1

GROUP BY CalendarItem.rowid

ORDER BY CalendarItem.unique_identifier
SQL

Constants included from ICalPal

DOW, ITIME

Instance Attribute Summary

Attributes included from ICalPal

#self

Instance Method Summary collapse

Methods included from ICalPal

call, #keys, nth, #values

Constructor Details

#initialize(obj) ⇒ Event #initialize(obj<DateTime>) ⇒ Event

Returns a new instance of Event.

Overloads:

  • #initialize(obj) ⇒ Event

    Parameters:

    • obj (SQLite3::ResultSet::HashWithTypesAndFields)
  • #initialize(obj<DateTime>) ⇒ Event

    Create a placeholder event for days with no events when using –sed

    Parameters:

    • obj (DateTime) 


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# File 'lib/event.rb', line 65

def initialize(obj)
  # Placeholder for days with no events
  return @self = {
    $opts[:sep] => obj,
    'placeholder' => true,
    'title' => 'Nothing.',
  } if DateTime === obj

  @self = {}
  obj.keys.each { |k| @self[k] = obj[k] }

  # Convert JSON arrays to Arrays
  @self['attendees'] = JSON.parse(obj['attendees'])
  @self['xdate'] = JSON.parse(obj['xdate']).map do |k|
    k = RDT.new(*Time.at(k + ITIME).to_a.reverse[4..]) if k
  end

  # Convert iCal dates to normal dates
  obj.keys.select { |i| i.end_with? '_date' }.each do |k|
    t = Time.at(obj[k] + ITIME) if obj[k]
    @self["#{k[0]}date"] = RDT.new(*t.to_a.reverse[4..], t.zone) if t
  end

  if @self['start_tz'] == '_float'
    @self['sdate'] = RDT.new(*(@self['sdate'].to_time - Time.zone_offset($now.zone())).to_a.reverse[4..], $now.zone)
    @self['edate'] = RDT.new(*(@self['edate'].to_time - Time.zone_offset($now.zone())).to_a.reverse[4..], $now.zone)
  end

  # Type of calendar event is from
  obj['type'] = EventKit::EKSourceType.find_index { |i| i[:name] == 'Subscribed' } if obj['subcal_url']
  type = EventKit::EKSourceType[obj['type']]

  @self['symbolic_color_name'] ||= @self['color']
  @self['type'] = type[:name]
end

Instance Method Details

#[](k) ⇒ Object

Standard accessor with special handling for age, availability, datetime, location, notes, status, title, and uid

Parameters:

  • k (String) —

    Key/property name



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# File 'lib/event.rb', line 16

def [](k)
  case k
  when 'age' then           # pseudo-property
    @self['sdate'].year - @self['edate'].year

  when 'availability' then  # Integer -> String
    EventKit::EKEventAvailability.select { |k, v| v == @self['availability'] }.keys

  when 'datetime' then      # date[ at time[ - time]]
    unless $opts[:sd] || $opts[:days] == 1
      t = @self['sdate'].to_s
      t += ' at ' unless @self['all_day'].positive?
    end

    unless @self['all_day'] && @self['all_day'].positive?
      t ||= ''
      t += "#{@self['sdate'].strftime($opts[:tf])}" if @self['sdate']
      t += " - #{@self['edate'].strftime($opts[:tf])}" unless $opts[:eed] || !@self['edate']
    end
    t

  when 'location' then      # location[ address]
    @self['location']? [ @self['location'], @self['address'] ].join(' ').chop : nil

  when 'notes' then         # \n -> :nnr
    @self['notes']? @self['notes'].strip.gsub(/\n/, $opts[:nnr]) : nil

  when 'sday' then        # pseudo-property
    ICalPal::RDT.new(*@self['sdate'].to_a[0..2])

  when 'status' then        # Integer -> String
    EventKit::EKEventStatus.select { |k, v| v == @self['status'] }.keys[0]

  when 'title' then         # title[ (age N)]
    @self['title'] + ((@self['calendar'] == 'Birthdays')? " (age #{self['age']})" : "")

  when 'uid' then           # for icalBuddy
    @self['UUID']

  else @self[k]
  end
end

#[]=(k, v) ⇒ Object 



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# File 'lib/event.rb', line 6

def []=(k, v)
  @self[k] = v
  @self['sday'] = ICalPal::RDT.new(*self['sdate'].to_a[0..2]) if k == 'sdate'
end

#apply_frequency! ⇒ Object

Apply frequency and interval



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# File 'lib/event.rb', line 217

def apply_frequency!
  # Leave edate alone for birthdays to compute age
  dates = [ 'sdate' ]
  dates << 'edate' unless self['calendar'].include?('Birthday')

  dates.each do |d|
    case EventKit::EKRecurrenceFrequency[self['frequency'] - 1]
    when 'daily'   then self[d] +=  self['interval']
    when 'weekly'  then self[d] +=  self['interval'] * 7
    when 'monthly' then self[d] >>= self['interval']
    when 'yearly'  then self[d] >>= self['interval'] * 12
    end
  end if self['frequency'] && self['interval']
end

#clone ⇒ Object

Returns a deep clone of self.

Returns:

  • a deep clone of self



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# File 'lib/event.rb', line 155

def clone()
  self['stime'] = @self['sdate'].to_i
  self['etime'] = @self['edate'].to_i

  Marshal.load(Marshal.dump(self))
end

#get_occurrences(changes) ⇒ Array<IcalPal::Event>

Get next occurences of a recurring event

Parameters:

  • changes (Array) —

    Recurrence changes for the event

Returns:

  • (Array<IcalPal::Event>) 


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# File 'lib/event.rb', line 166

def get_occurrences(changes)
  ndate = self['sdate']
  odays = []
  retval = []

  # Deconstruct specifier(s)
  if self['specifier']
    self['specifier'].split(';').each do |k|
      j = k.split('=')

      # M=Day of the month, O=Month of the year, S=Nth
      case j[0]
      when 'M' then ndate = RDT.new(ndate.year, ndate.month, j[1].to_i)
      when 'O' then ndate = RDT.new(ndate.year, j[1].to_i, ndate.day)
      when 'S' then @self['specifier'].sub!(/D=0/, "D=+#{j[1].to_i}")
      end
    end

    # D=Day of the week
    self['specifier'].split(';').each do |k|
      j = k.split('=')

      odays = j[1].split(',') if j[0] == 'D'
    end
  end

  # Deconstruct occurence day(s)
  odays.each do |n|
    dow = DOW[n[-2..-1].to_sym]
    ndate += 1 until ndate.wday == dow
    ndate = ICalPal.nth(Integer(n[0..1]), n[-2..-1], ndate) unless (n[0] == '0')

    # Check for changes
    changes.detect(
      proc {
        self['sdate'] = RDT.new(*ndate.to_a[0..2], *self['sdate'].to_a[3..])
        self['edate'] = RDT.new(*ndate.to_a[0..2], *self['edate'].to_a[3..])
        retval.push(clone)
      }) { |i| @self['sday'] == i['sday'] }
  end

  # Check for changes
  changes.detect(
    proc {
      retval.push(clone)
    }) { |i| @self['sday'] == i['sday'] } unless retval.count.positive?

  retval
end

#in_window?(s, e = s) ⇒ Boolean

Check if an event starts or ends between from and to, or if it’s running now (for -n)

Parameters:

  • s (RDT) —

    Event start

  • e (RDT) (defaults to: s) —

    Event end

Returns:

  • (Boolean) 


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# File 'lib/event.rb', line 238

def in_window?(s, e = s)
  $opts[:n]?
    ($now >= s && $now < e) :
    ([ s, e ].max >= $opts[:from] && s < $opts[:to])
end

#non_recurring ⇒ Array<Event>

Check non-recurring events

Returns:

  • (Array<Event>) —

    If an event spans multiple days, the return value will contain a unique ICalPal::Event for each day that falls within our window



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# File 'lib/event.rb', line 106

def non_recurring
  retval = []

  # Repeat for multi-day events
  ((self['duration'] / 86400).to_i + 1).times do |i|
    self['daynum'] = i + 1
    retval.push(clone) if in_window?(self['sdate'])
    self['sdate'] += 1
    self['edate'] += 1
  end

  retval
end

#recurring ⇒ Array<Event>

Check recurring events

Returns:

  • (Array<Event>) —

    All occurrences of a recurring event that are within our window



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# File 'lib/event.rb', line 124

def recurring
  retval = []

  # See if event ends before we start
  stop = [ $opts[:to], (self['rdate'] || $opts[:to]) ].min
  return(retval) if stop < $opts[:from]

  # Get changes to series
  changes = $rows.select { |r| r['orig_item_id'] == self['ROWID'] }

  i = 1
  while self['sdate'] <= stop
    return(retval) if self['count'].positive? && i > self['count']
    i += 1

    unless @self['xdate'].any?(@self['sdate']) # Exceptions?
      o = get_occurrences(changes)
      o.each { |r| retval.push(r) if in_window?(r['sdate'], r['edate']) }
    end

    apply_frequency!
  end

  retval
end