Class: FlexStationData::ParsePlateReadings

Inherits:
Object
  • Object
show all
Includes:
Callable
Defined in:
lib/flex_station_data/services/parse_plate_readings.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(plate_data) ⇒ ParsePlateReadings

Returns a new instance of ParsePlateReadings.



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# File 'lib/flex_station_data/services/parse_plate_readings.rb', line 15

def initialize(plate_data)
  @plate_data = plate_data
end

Class Method Details

.parse_row(row) ⇒ Object 



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# File 'lib/flex_station_data/services/parse_plate_readings.rb', line 61

def parse_row(row)
  time, temperature, *values = row
  [ parse_time(time), parse_value(temperature), *values.map(&method(:parse_value)) ]
end

.parse_time(t) ⇒ Object 



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# File 'lib/flex_station_data/services/parse_plate_readings.rb', line 48

def parse_time(t)
  return if t.blank?

  h, m, s = t.split(":").map(&:to_i)
  h * 60.0 + m + s / 60.0
end

.parse_value(v) ⇒ Object 



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# File 'lib/flex_station_data/services/parse_plate_readings.rb', line 55

def parse_value(v)
  Float(v)
rescue ArgumentError, TypeError
  v.presence
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/flex_station_data/services/parse_plate_readings.rb', line 43

def call
  [ times, temperatures, wells ]
end

#headers ⇒ Object 



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# File 'lib/flex_station_data/services/parse_plate_readings.rb', line 27

def headers
  @headers ||= plate_data.detect(&method(:header_row?)).reverse.drop_while(&:blank?).reverse
end

#readings_block ⇒ Object 



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# File 'lib/flex_station_data/services/parse_plate_readings.rb', line 19

def readings_block
  @readings_block ||= plate_data
    .drop_while { |row| !header_row?(row) }
    .drop_while { |row| !sample_row?(row) }
    .take_while { |row| !end_row?(row) }
    .select     { |row| row.any?(&:present?) }
end

#temperatures ⇒ Object 



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# File 'lib/flex_station_data/services/parse_plate_readings.rb', line 35

def temperatures
  @temperatures ||= matrix.column(1).to_a.compact
end

#times ⇒ Object 



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# File 'lib/flex_station_data/services/parse_plate_readings.rb', line 31

def times
  @times ||= matrix.column(0).to_a.compact
end

#wells ⇒ Object 



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# File 'lib/flex_station_data/services/parse_plate_readings.rb', line 39

def wells
  Wells.new(wells_matrix)
end