Class: RailsAdmin::Support::Datetime

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_admin/support/datetime.rb

Constant Summary collapse

FLATPICKR_TRANSLATIONS =

Ruby format options as a key and flatpickr format options as a value

{
  '%A' => 'l',       # The  full  weekday  name ("Sunday")
  '%a' => 'D',       # The abbreviated weekday name ("Sun")
  '%B' => 'F',       # The  full  month  name ("January")
  '%b' => 'M',       # The abbreviated month name ("Jan")
  '%D' => 'm/d/y',   # American date format mm/dd/yy
  '%d' => 'd',       # Day of the month (01..31)
  '%-d' => 'j',      # Day of the month (1..31)
  '%e' => 'j',       # Day of the month (1..31)
  '%F' => 'Y-m-d',   # ISO 8601 date format
  '%H' => 'H',       # Hour of the day, 24-hour clock (00..23)
  '%-H' => 'H',      # Hour of the day, 24-hour clock (0..23)
  '%h' => 'M',       # Same as %b
  '%I' => 'G',       # Hour of the day, 12-hour clock (01..12)
  '%-I' => 'h',      # Hour of the day, 12-hour clock (1..12)
  '%k' => 'H',       # Hour of the day, 24-hour clock (0..23)
  '%l' => 'h',       # Hour of the day, 12-hour clock (1..12)
  '%-l' => 'h',      # Hour of the day, 12-hour clock (1..12)
  '%M' => 'i',       # Minute of the hour (00..59)
  '%-M' => 'i',      # Minute of the hour (00..59)
  '%m' => 'm',       # Month of the year (01..12)
  '%-m' => 'n',      # Month of the year (1..12)
  '%P' => 'K',       # Meridian indicator ('am' or 'pm')
  '%p' => 'K',       # Meridian indicator ('AM' or 'PM')
  '%R' => 'H:i',     # 24-hour time (%H:%M)
  '%r' => 'G:i:S K', # 12-hour time (%I:%M:%S %p)
  '%S' => 'S',       # Second of the minute (00..60)
  '%-S' => 's',      # Second of the minute (0..60)
  '%s' => 'U',       # Number of seconds since 1970-01-01 00:00:00 UTC.
  '%T' => 'H:i:S',   # 24-hour time (%H:%M:%S)
  '%U' => 'W',       # Week number of the year.  The week starts with Sunday.  (00..53)
  '%w' => 'w',       # Day of the week (Sunday is 0, 0..6)
  '%X' => 'H:i:S',   # Same as %T
  '%x' => 'm/d/y',   # Same as %D
  '%Y' => 'Y',       # Year with century
  '%y' => 'y',       # Year without a century (00..99)
  '%%' => '%',
}.freeze

Class Method Summary collapse

Class Method Details

.to_flatpickr_format(strftime_format) ⇒ Object 



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# File 'lib/rails_admin/support/datetime.rb', line 47

def to_flatpickr_format(strftime_format)
  strftime_format.gsub(/(?<!%)(?<![-0-9:])\w/, '\\\\\0').gsub(/%([-0-9:]?\w)/) do |match|
    # Timezone can't be handled by frontend, the server's one is always used
    case match
    when '%Z', '%:z' # Time zone as hour and minute offset from UTC with a colon (e.g. +09:00)
      Time.zone.formatted_offset
    when '%z' # Time zone as hour and minute offset from UTC (e.g. +0900)
      Time.zone.formatted_offset(false)
    else
      FLATPICKR_TRANSLATIONS[match] or raise <<~MSG
        Unsupported strftime directive '#{match}' was found. Please consider explicitly setting flatpickr_format instance option for the field.
          field(:name_of_field) { flatpickr_format '...' }
      MSG
    end
  end
end