class Location

Public Class Methods

index_of(division) click to toggle source

Class methods

# File lib/rwanda/location.rb, line 111
def self.index_of(division)
  members.index(division) + 1
end

Public Instance Methods

blank?() click to toggle source

# File lib/rwanda/location.rb, line 63
def blank?; !present?; end

bottom(n, keep_nils=false) click to toggle source

from village up, starting with the village will be n-element if keep_nils is true

# File lib/rwanda/location.rb, line 35
def bottom(n, keep_nils=false)
  d = divisions.reverse[0...n]
  keep_nils ? d : d.compact
end

division_names(strings=false) click to toggle source

# File lib/rwanda/location.rb, line 4
def division_names(strings=false); strings ? self.members.map(&:humanize) : self.members; end

divisions(strip_nil=false) click to toggle source

# File lib/rwanda/location.rb, line 5
def divisions(strip_nil=false); strip_nil ? self.to_a.grep(String) : self.to_a; end

downto(level, keep_nils=false) click to toggle source

from district down to and including level

# File lib/rwanda/location.rb, line 29
def downto(level, keep_nils=false)
  d = top(division_names.index(level.to_sym)+1)
  keep_nils ? d : d.compact
end

first_missing() click to toggle source

# File lib/rwanda/location.rb, line 45
def first_missing
  raise "Called first_missing on invalid Location [#{self.to_s}]" unless valid?
  each_pair do |level, div|
    return level if div == nil
  end
  false
end

n_divisions() click to toggle source

# File lib/rwanda/location.rb, line 6
def n_divisions; divisions.count; end

present?() click to toggle source

# File lib/rwanda/location.rb, line 64
def present?
  if district.respond_to? :present? # defined in rails, which may be available
    district.present?
  else
    !district.nil? && !district.empty?
  end
end

to_s() click to toggle source

present? and blank? are rails-only undefined what to do with a blank string – it should never happen

# File lib/rwanda/location.rb, line 56
def to_s
  if present?
    to_h.inject([]) { |r, (k,v)| r << "#{v} #{k.to_s.capitalize}" if v; r }.join(', ')
  else
    'Unknown'
  end
end

top(n, keep_nils=false) click to toggle source

from district down, always returning an n-element array if keep_nils is set

# File lib/rwanda/location.rb, line 25
def top(n, keep_nils=false)
  keep_nils ? divisions[0...n] : divisions[0...n].compact
end

upto(level, keep_nils=false) click to toggle source

from village up to and including level

# File lib/rwanda/location.rb, line 40
def upto(level, keep_nils=false)
  divisions = bottom(n_divisions - division_names.index(level.to_sym))
  keep_nils ? divisions : divisions.compact
end

valid?() click to toggle source

# File lib/rwanda/location.rb, line 8
def valid? # is it valid?
  Rwanda.instance.valid? *divisions
end

validate!() click to toggle source

# File lib/rwanda/location.rb, line 11
def validate! # get rid of invalid data
  # NOT WORKING BECAUSE CP! DOESN'T WORK
  #binding.pry
  each_with_index do |div, n|
    #binding.pry
    unless Rwanda.instance.exists? *top(n+1, true)
      duplicate!(Location.new(*top(n)))
      return self
    end
  end
  self
end

Private Instance Methods

duplicate!(other) click to toggle source

Useful but broken

def cp!(other) # copies other's attributes to self

self.division_names do |level|
  self[:level] = other[:level]
end
self

end

# File lib/rwanda/location.rb, line 81
def duplicate!(other)
  # to_h first implemented in 2.0, but also seemingly provided by rails
  other.to_h.each_pair do |k,v|
    self[k] = v
  end
  self
end