Class: WorldDb::Model::Country

Inherits:
ActiveRecord::Base
  • Object
show all
Extended by:
TextUtils::TagHelper, TextUtils::ValueHelper
Defined in:
lib/worlddb/models/country.rb,
lib/worlddb/models/forward.rb

Overview

Country / Supra (e.g. European Union) / Territory (e.g. Puerto Rico) or Dependency (e.g. Dependent territory)

Class Method Summary collapse

Instance Method Summary collapse

Methods included from TextUtils::ValueHelper

is_state?, match_city, match_country, match_metro, match_metro_flag, match_metro_pop, match_state_for_country, match_supra, match_supra_flag

Class Method Details

.create_or_update_from_attribs(new_attributes, values, opts = {}) ⇒ Object 



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# File 'lib/worlddb/models/country.rb', line 202

def self.create_or_update_from_attribs( new_attributes, values, opts={} )

  ## opts e.g. :skip_tags true|false

  ## fix: add/configure logger for ActiveRecord!!!
  logger = LogKernel::Logger.root

    value_numbers     = []
    value_tag_keys    = []
    value_cities      = []

    ### check for "default" tags - that is, if present new_attributes[:tags] remove from hash
    value_tag_keys += find_tags_in_attribs!( new_attributes )


    new_attributes[ :c ] = true   # assume country type by default (use supra,depend to change)

    ## check for optional values
    values.each_with_index do |value,index|
      if match_supra_flag( value ) do |_|  # supra(national)
           new_attributes[ :c ] = false   # turn off default c|country flag; make it s|supra only
           new_attributes[ :s ] = true
           ## auto-add tag supra
           value_tag_keys << 'supra'
         end
      elsif match_supra( value ) do |country| # supra:
              new_attributes[ :country_id ] = country.id
            end
      elsif match_country( value ) do |country| # country:
              new_attributes[ :country_id ] = country.id
              new_attributes[ :c ] = false # turn off default c|country flag; make it d|depend only
              new_attributes[ :d ] = true
              ## auto-add tag supra
              value_tag_keys << 'territory'  # rename tag to dependency? why? why not?
            end
      elsif match_km_squared( value ) do |num|  # allow numbers like 453 km²
              value_numbers << num
            end
      elsif match_number( value ) do |num|  # numeric (nb: can use any _ or spaces inside digits e.g. 1_000_000 or 1 000 000)
              value_numbers << num
            end
      elsif value =~ /#{COUNTRY_CODE_PATTERN}/  ## three letter code
        new_attributes[ :code ] = value
      elsif (values.size==(index+1)) && is_taglist?( value )   # tags must be last entry
        logger.debug "   found tags: >>#{value}<<"
        value_tag_keys += find_tags( value )
      else

        ### assume it is the capital city - mark it for auto add
        value_cities << value
        next

        # issue warning: unknown type for value
        # logger.warn "unknown type for value >#{value}<"
      end
    end # each value

    if value_numbers.size > 0
        new_attributes[ :area ] = value_numbers[0]
        new_attributes[ :pop  ] = value_numbers[1]
    end

=begin
          # auto-add tags
          area = value_numbers[0]
          pop  = value_numbers[1]

          # categorize into brackets
          if area >= 1_000_000
            value_tag_keys << 'area_1_000_000_n_up'
          elsif area >= 100_000
            value_tag_keys << 'area_100_000_to_1_000_000'
          elsif area >= 1000
            value_tag_keys << 'area_1_000_to_100_000'
          else
            value_tag_keys << 'area_1_000_n_less' # microstate
          end

          # include all
          value_tag_keys << 'area_100_000_n_up'  if area >= 100_000
          value_tag_keys << 'area_1_000_n_up'    if area >=   1_000


          # categorize into brackets
          if pop >= 100_000_000
            value_tag_keys << 'pop_100m_n_up'
          elsif pop >= 10_000_000
            value_tag_keys << 'pop_10m_to_100m'
          elsif pop >= 1_000_000
            value_tag_keys << 'pop_1m_to_10m'
          else
            value_tag_keys << 'pop_1m_n_less'
          end

          # include all
          value_tag_keys << 'pop_10m_n_up'  if pop >= 10_000_000
          value_tag_keys << 'pop_1m_n_up'   if pop >=  1_000_000
=end


    rec = Country.find_by_key( new_attributes[ :key ] )

    if rec.present?
      logger.debug "update Country #{rec.id}-#{rec.key}:"
    else
      logger.debug "create Country:"
      rec = Country.new
    end

    logger.debug new_attributes.to_json

    rec.update_attributes!( new_attributes )

    #################
    ## auto add capital cities

    City.parse( value_cities, country_id: rec.id )

    ##################
    ## add taggings

    if value_tag_keys.size > 0

      if opts[:skip_tags].present?
        logger.debug "   skipping add taggings (flag skip_tag)"
      else
        value_tag_keys.uniq!  # remove duplicates
        logger.debug "   adding #{value_tag_keys.size} taggings: >>#{value_tag_keys.join('|')}<<..."

        ### fix/todo: check tag_ids and only update diff (add/remove ids)

        value_tag_keys.each do |key|
          tag = Tag.find_by_key( key )
          if tag.nil?  # create tag if it doesn't exit
            logger.debug "   creating tag >#{key}<"
            tag = Tag.create!( key: key )
          end
          rec.tags << tag
        end
      end
    end

  rec

end

.create_or_update_from_values(values, more_attribs = {}) ⇒ Object 



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# File 'lib/worlddb/models/country.rb', line 191

def self.create_or_update_from_values( values, more_attribs={} )

    ## key & title
    ## NB: three-letter code (.e.g AUT) required - enforce in values? why? why not?
    attribs, more_values = find_key_n_title( values )
    attribs = attribs.merge( more_attribs )

    Country.create_or_update_from_attribs( attribs, more_values )
end

.parse(*args) ⇒ Object 



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# File 'lib/worlddb/models/country.rb', line 183

def self.parse( *args )
  ## remove (extract) attribs hash (if last arg is a hash n present)
  more_attribs = args.last.is_a?(Hash) ? args.pop : {}  ## extract_options!
  values       = args

  self.create_or_update_from_values( values, more_attribs )
end

.search_by_name(q) ⇒ Object

todo/check: just use search (rename)? why? why not?



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# File 'lib/worlddb/models/country.rb', line 138

def self.search_by_name( q )    ## todo/check: just use search (rename)? why? why not?

  ## fix: add/configure logger for ActiveRecord!!!
  ## logger = LogKernel::Logger.root

  name = q.strip

  ## 1) first try 1:1 (exact) match
  cty = Country.find_by_name( name )   # NOTE: assume AR escapes quotes in name ??
  if cty.nil?
    ## 2) retry: a) remove all (..) enclosed
    ##           b) remove all extra spaces (e.g. Cocos (Keeling) Islands => Cocos__Islands => Cocos_Islands)
    name = name.gsub( /\([^)]+\)/, '' ).strip
    name = name.gsub( /[ \t]{2,}/, ' ' )
    cty = Country.find_by_name( name )

    ### NOTE: escape ' for sql like clause
    ##   for now use '' for escapes, that is, double quotes
    ##  check - working for postgresql n sqlite??
    name_esc = name.gsub( /'/, "''" )

    ## 3) retry: use SQL like match
    ##    % is used to match *zero* or more occurrences of any characters
    ##  todo: check if it matches zero too
    if cty.nil?
      cty = Country.where( "name LIKE '%#{name_esc}%'" ).first
    end

    ## 4) retry: use SQL like match for alternative names match
    if cty.nil?
      cty = Country.where( "alt_names LIKE '%#{name_esc}%'" ).first
    end

    ## 5) retry: use SQL like match for historic names match (e.g. Burma for Myanmar etc.)
    ##  todo/check: make it optional (pass in opts hash to configure) - why? why not???
    if cty.nil?
      cty = Country.where( "hist_names LIKE '%#{name_esc}%'" ).first
    end
  end

  cty  # return cty (country); nil if not found
end

Instance Method Details

#all_names(opts = {}) ⇒ Object 



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# File 'lib/worlddb/models/country.rb', line 118

def all_names( opts={} )
  ### fix:
  ## allow to passing in sep or separator e.g. | or other

  return name if alt_names.blank?

  buf = ''
  buf << name
  buf << ' | '
  buf << alt_names.split('|').join(' | ')
  buf
end

#as_row(opts = {}) ⇒ Object 



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# File 'lib/worlddb/models/country.rb', line 65

def as_row( opts={} )
  CountrySerializer.new( self ).as_row
end

#is_country? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/worlddb/models/country.rb', line 113

def is_country?()    c? == true;  end

#is_dependency? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/worlddb/models/country.rb', line 114

def is_dependency?() d? == true;  end

#is_misc? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/worlddb/models/country.rb', line 115

def is_misc?()       m? == true;  end

#is_supra? ⇒ Boolean

NB: use is_ for flags to avoid conflict w/ assocs

Returns:

  • (Boolean) 


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# File 'lib/worlddb/models/country.rb', line 112

def is_supra?()      s? == true;  end

#on_create ⇒ Object 



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# File 'lib/worlddb/models/country.rb', line 73

def on_create
  place_rec = Place.create!( name: name, kind: place_kind )
  self.place_id = place_rec.id

  if slug.blank?
    ## todo: change and to n  (if en/english) ?? - why? why not?
    ##  remove subtitles/subnames e.g. () -- why? why not?

    ## remove translations []  e.g. México [Mexico] -> México etc.
    self.slug = TextUtils.slugify( name.gsub( /\[[^\]]+\]/, '' ) )
  end
end

#on_update ⇒ Object 



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# File 'lib/worlddb/models/country.rb', line 86

def on_update
  ## fix/todo: check - if name or kind changed - only update if changed ?? why? why not??
  place.update_attributes!( name: name, kind: place_kind )

  ## check if name changed -- possible?
  ## update slug too??
end

#parent ⇒ Object

self referencing hierachy within countries e.g. EU > GB > EN



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# File 'lib/worlddb/models/country.rb', line 30

belongs_to :parent,    class_name: 'Country', foreign_key: 'country_id'

#place_kind ⇒ Object

use place_kind_of_code ??



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# File 'lib/worlddb/models/country.rb', line 94

def place_kind   # use place_kind_of_code ??
  if is_supra?
    'SUPR'
  elsif is_dependency?
    'TERR'
  elsif is_misc?  ## misc(ellaneous) country or dependent territory
    # todo: use different marker?
    # territory w/ shared or disputes claims e.g Antartica/Western Sahara/Paracel Islands pg Spratly Islands/etc.
    'MISC'
  else
    'CNTY'
  end
end

#synonyms ⇒ Object 



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# File 'lib/worlddb/models/country.rb', line 45

def synonyms()       alt_names;              end

#synonyms=(value) ⇒ Object 



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# File 'lib/worlddb/models/country.rb', line 46

def synonyms=(value) self.alt_names = value; end

#title ⇒ Object

begin compat



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# File 'lib/worlddb/models/country.rb', line 42

def title()       name;              end

#title=(value) ⇒ Object 



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# File 'lib/worlddb/models/country.rb', line 43

def title=(value) self.name = value; end

#to_path(opts = {}) ⇒ Object 



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# File 'lib/worlddb/models/country.rb', line 132

def to_path( opts={} )
  # e.g. europe/at-austria
  "#{continent.slug}/#{key}-#{slug}"
end