Module: ObservationsHelper

Includes:
RecordNavigationHelper
Defined in:
app/helpers/observations_helper.rb

Instance Method Summary collapse

Methods included from RecordNavigationHelper

for, #parent_records

Instance Method Details

#continuous_observation_cell_label(observation) ⇒ Object 



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# File 'app/helpers/observations_helper.rb', line 97

def continuous_observation_cell_label(observation)
  [observation.continuous_value, observation.continuous_unit].compact.join(' ')
end

#label_for_observation(observation) ⇒ Object 



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# File 'app/helpers/observations_helper.rb', line 20

def label_for_observation(observation)
  return nil if observation.nil?
  a = observation.descriptor.name
  b = observation_cell(observation, 'label', true)
  c = send(
    "label_for_#{observation.observation_object_type.underscore}",
    observation.observation_object
  )

  if b.empty?
    "#{a} on #{c}"
  else
    "#{a}: #{b} on #{c}"
  end
end

#next_records(observation) ⇒ Object

Returns !!Array!!.

Returns:

  • !!Array!!



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# File 'app/helpers/observations_helper.rb', line 144

def next_records(observation)
  # !! Note we only return observations on Otus currently.
  o = ::Observation
    .joins("JOIN otus ON observations.observation_object_type = 'Otu' AND observations.observation_object_id = otus.id")
    .where(project_id: observation.project_id)
    .where('observations.id > ?', observation.id)
    .order(:id)
    .first

  [o].compact
end

#observation_autocomplete_tag(observation, term = nil) ⇒ Object 



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# File 'app/helpers/observations_helper.rb', line 16

def observation_autocomplete_tag(observation, term = nil)
  mark_tag(observation_tag(observation), term)
end

#observation_cell(observation, label_or_tag, verbose = false) ⇒ Object 



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# File 'app/helpers/observations_helper.rb', line 46

def observation_cell(observation, label_or_tag, verbose = false)
  case observation.type
  when 'Observation::Qualitative'
    qualitative_observation_cell_label(observation, verbose)
  when 'Observation::Continuous'
    continuous_observation_cell_label(observation)
  when 'Observation::Sample'
    if label_or_tag == 'tag'
      sample_observation_cell_tag(observation)
    else
      # TODO
      ''
    end
  when 'Observation::PresenceAbsence'
    if label_or_tag == 'tag'
      presence_absence_observation_cell_tag(observation)
    else
      presence_absence_observation_cell_label(observation)
    end
  when 'Observation::Working' # TODO: Validate in format
    if label_or_tag == 'tag'
      tag.span('X', title: observation.description)
    else
      # TODO
      ''
    end
  when 'Observation::Media'
    # do nothing, the label comes from the image matrix
    ''
  else
    '!! display not done !!'
  end
end

#observation_made_on_tag(observation) ⇒ Object 



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# File 'app/helpers/observations_helper.rb', line 80

def observation_made_on_tag(observation)
  return nil if observation.nil?

  [observation.year_made,
   observation.month_made,
   observation.day_made,
   observation.time_made ].compact.join('-')
end

#observation_matrix_cell_tag(observation_object, descriptor) ⇒ Object

Joins multiple observations to concat for cells



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# File 'app/helpers/observations_helper.rb', line 41

def observation_matrix_cell_tag(observation_object, descriptor)
  q = Observation.object_scope(observation_object).where(descriptor: descriptor)
  q.collect{|o| observation_cell(o, 'tag')}.sort.join(' ').html_safe
end

#observation_tag(observation) ⇒ Object 



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# File 'app/helpers/observations_helper.rb', line 4

def observation_tag(observation)
  return nil if observation.nil?
  a = descriptor_tag(observation.descriptor)
  b = observation_cell(observation, 'tag', true)
  c = send(
    "#{observation.observation_object_type.underscore}_tag",
    observation.observation_object
  )

  "#{a}: #{b} on #{c}".html_safe
end

#observation_type_label(observation) ⇒ Object 



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# File 'app/helpers/observations_helper.rb', line 36

def observation_type_label(observation)
  observation.type.split('::').last
end

#presence_absence_observation_cell_label(observation) ⇒ Object 



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# File 'app/helpers/observations_helper.rb', line 106

def presence_absence_observation_cell_label(observation)
  observation.presence ? 'present' : 'absent'
end

#presence_absence_observation_cell_tag(observation) ⇒ Object 



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# File 'app/helpers/observations_helper.rb', line 101

def presence_absence_observation_cell_tag(observation)
  # TODO: messing with visualization here, do something more clean
  observation.presence ? '✓' : '❌'
end

#previous_records(observation) ⇒ Object

Returns !!Array!!.

Returns:

  • !!Array!!



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# File 'app/helpers/observations_helper.rb', line 131

def previous_records(observation)
  # !! Note we only return observations on Otus currently.
  o = ::Observation
    .joins("JOIN otus ON observations.observation_object_type = 'Otu' AND observations.observation_object_id = otus.id")
    .where(project_id: observation.project_id)
    .where('observations.id < ?', observation.id)
    .order(id: :desc)
    .first

  [o].compact
end

#qualitative_observation_cell_label(observation, verbose = false) ⇒ Object 



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# File 'app/helpers/observations_helper.rb', line 89

def qualitative_observation_cell_label(observation, verbose = false)
  if verbose
    observation.character_state.label + ': ' + observation.character_state.name
  else
    observation.character_state.label
  end
end

#sample_observation_cell_tag(observation) ⇒ Object 



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# File 'app/helpers/observations_helper.rb', line 110

def sample_observation_cell_tag(observation)
  o = observation
  r = []

  r.push [o.sample_min, o.sample_max].compact.join('-')
  r.push "#{o.sample_units}" if o.sample_units.present?

  m = []

  m.push "median = #{o.sample_median}" if o.sample_median.present?
  m.push "&#956; = #{o.sample_mean}" if o.sample_mean.present?
  m.push ["s = #{o.sample_standard_error}", (o.sample_units.present? ? " #{o.sample_units}" : nil)].compact.join if o.sample_standard_error.present?
  m.push "n = #{o.sample_n}" if o.sample_n.present?
  m.push "&#963; = #{o.sample_standard_deviation}" if o.sample_standard_deviation.present?

  r.push '(' + m.join(', ') + ')' if m.any?

  r.compact.join(' ').html_safe
end