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.freeze
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, NAME, VERSION

Instance Attribute Summary

Attributes included from ICalPal

#self

Instance Method Summary collapse

Methods included from ICalPal

call, #keys, load_data, nth, #to_csv, #to_xml, #values, #xmlify

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 72

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

  @self = {}
  obj.each_key { |k| @self[k] = obj[k] }

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

  # 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'
    tzoffset = Time.zone_offset($now.zone)

    @self['sdate'] = RDT.new(*(@self['sdate'].to_time - tzoffset).to_a.reverse[4..], $now.zone)
    @self['edate'] = RDT.new(*(@self['edate'].to_time - tzoffset).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 23

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

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

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

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

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

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

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

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

  else @self[k]
  end
end

#[]=(k, v) ⇒ Object

Standard accessor with special handling for sdate. Setting sdate will also set sday.

Parameters:

  • k (String) —

    Key/property name

  • v (Object) —

    Key/property value



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# File 'lib/event.rb', line 13

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 268

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
    else $log.error("Unknown frequency: #{self['frequency']}")
    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 200

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

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

Get next occurences of a recurring event from a specifier

Parameters:

  • _changes (Array) —

    Recurrence changes for the event

Returns:

  • (Array<IcalPal::Event>) 


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# File 'lib/event.rb', line 208

def get_occurrences(_changes)
  occurrences = []

  dow = DOW.keys
  dom = [ nil ]
  moy = 1..12
  nth = nil

  specifier = (self['specifier'])? self['specifier'] : []

  # Deconstruct specifier
  specifier.split(';').each do |k|
    j = k.split('=')

    # D=Day of the week, M=Day of the month, O=Month of the year, S=Nth
    case j[0]
    when 'D' then dow = j[1].split(',')
    when 'M' then dom = j[1].split(',')
    when 'O' then moy = j[1].split(',')
    when 'S' then nth = j[1].to_i
    else $log.warn("Unknown specifier: #{k}")
    end
  end

  # Build array of DOWs
  dows = [ nil ]
  dow.each { |d| dows.push(DOW[d[-2..].to_sym]) }

  # Months of the year (O)
  moy.each do |m|
    next unless m

    nsdate = RDT.new(self['sdate'].year, m.to_i, 1)
    nedate = RDT.new(self['edate'].year, m.to_i, 1)

    # Days of the month (M)
    dom.each do |x|
      next unless x

      self['sdate'] = RDT.new(nsdate.year, nsdate.month, x.to_i)
      self['edate'] = RDT.new(nedate.year, nedate.month, x.to_i)
      occurrences.push(clone)
    end

    # Days of the week (D)
    if nth
      self['sdate'] = ICalPal.nth(nth, dows, nsdate)
      self['edate'] = ICalPal.nth(nth, dows, nedate)
      occurrences.push(clone)
    elsif dows[0]
      self['sdate'] = RDT.new(nsdate.year, m.to_i, nsdate.wday)
      self['edate'] = RDT.new(nedate.year, m.to_i, nedate.wday)
      occurrences.push(clone)
    end
  end

  occurrences
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 290

def in_window?(s, e = s)
  if $opts[:n]
    if ($now >= s && $now < e)
      $log.debug("now: #{s} to #{e} vs. #{$now}")
      true
    else
      $log.debug("not now: #{s} to #{e} vs. #{$now}")
      false
    end
  elsif ([ s, e ].max >= $opts[:from] && s < $opts[:to])
    $log.debug("in window: #{s} to #{e} vs. #{$opts[:from]} to #{$opts[:to]}")
    true
  else
    $log.debug("not in window: #{s} to #{e} vs. #{$opts[:from]} to #{$opts[:to]}")
    false
  end
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 118

def non_recurring
  events = []

  nDays = (self['duration'] / 86_400).to_i

  # Sanity checks
  return events if nDays > 100_000

  # Repeat for multi-day events
  (nDays + 1).times do |i|
    break if self['sdate'] > $opts[:to]

    $log.debug("multi-day event #{i + 1}") if (i.positive?)

    self['daynum'] = i + 1
    events.push(clone) if in_window?(self['sdate'])

    self['sdate'] += 1
    self['edate'] += 1
  end

  events
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 146

def recurring
  stop = [ $opts[:to], (self['rdate'] || $opts[:to]) ].min

  # See if event ends before we start
  if stop < $opts[:from]
    $log.debug("#{stop} < #{$opts[:from]}")
    return([])
  end

  # Get changes to series
  changes = [ { 'orig_date' => -1 } ]
  changes += $rows.select { |r| r['orig_item_id'] == self['ROWID'] }

  events = []
  count = 1

  while self['sdate'] <= stop
    # count
    break if self['count'].positive? && count > self['count']

    count += 1

    # Handle specifier or clone self
    if self['specifier'] && self['specifier'].length.positive?
      occurrences = get_occurrences(changes)
    else
      occurrences = [ clone ]
    end

    # Check for changes
    occurrences.each do |occurrence|
      changes.each do |change|
        next if change['orig_date'] == self['sdate'].to_i - ITIME

        events.push(occurrence) if in_window?(occurrence['sdate'], occurrence['edate'])
      end
    end

    break if self['specifier']

    apply_frequency!
  end

  # Remove exceptions
  events.delete_if { |event| event['xdate'].any?(event['sdate']) }

  events
end