Class: WorldDb::Reader

Inherits:
Object
  • Object
show all
Includes:
LogUtils::Logging, Models, TextUtils::ValueHelper, Matcher
Defined in:
lib/worlddb/reader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Matcher

#match_cities_for_country, #match_countries_for_continent, #match_regions_abbr_for_country, #match_regions_for_country, #match_regions_iso_for_country, #match_regions_nuts_for_country, #match_xxx_for_country, #match_xxx_for_country_n_region

Constructor Details

#initialize(include_path, opts = {}) ⇒ Reader

Returns a new instance of Reader.



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# File 'lib/worlddb/reader.rb', line 26

def initialize( include_path, opts = {} )
  
  @include_path = include_path
  
  ## option: do NOT generate/add any tags for countries/regions/cities
  @skip_tags =  opts[:skip_tags].present? ? true : false
  ## option: for now issue warning on update, that is, if key/record (country,region,city) already exists
  @strict    =  opts[:strict].present? ? true : false
end

Instance Attribute Details

#include_path ⇒ Object (readonly)

Returns the value of attribute include_path.



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# File 'lib/worlddb/reader.rb', line 20

def include_path
  @include_path
end

Instance Method Details

#load(name) ⇒ Object 



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# File 'lib/worlddb/reader.rb', line 58

def load( name )

  if name =~ /^continents/
     load_continent_defs( name )
  elsif name =~ /\/continents/
     load_continent_refs( name )
  elsif name =~ /^lang/
     ## todo: pass along opts too
     ## use match_usage( name ) - why? why not?? ???
     LangReader.new( include_path ).read( name )
  elsif name =~ /\/lang/
     ## todo: pass along opts too
     ## use match_usage( name ) - why? why not?? ???
     UsageReader.new( include_path ).read( name )
  elsif name =~ /\/fifa/
     load_xxx( 'fifa', name )
  elsif name =~ /\/iso3/
     load_xxx( 'iso3', name )
  elsif name =~ /\/internet/
     load_xxx( 'net', name )
  elsif name =~ /\/motor/
     load_xxx( 'motor', name )
  elsif name =~ /^tag.*\.\d$/
     ## todo: pass along opts too
     ## use match_tags( name ) - why? why not?? ???
     TagDb::TagReader.new( include_path ).read( name )
  elsif match_countries_for_continent( name ) do |continent|  # # e.g. africa/countries or america/countries
          ### NB: continent changed to regions (e.g. middle-east, caribbean, north-america, etc.)
          ## auto-add continent (from folder structure) as tag
          ## fix: allow dash/hyphen/minus in tag

          r = CountryReader.new( include_path )
          r.read( name, tags: continent.tr('-', '_') )
        end
  elsif match_cities_for_country( name ) do |country_key|  #  name =~ /\/([a-z]{2})\/cities/
          ## auto-add required country code (from folder structure)
          country = Country.find_by_key!( country_key )
          logger.debug "Country #{country.key} >#{country.title} (#{country.code})<"

          r = CityReader.new( include_path )
          r.read( name, country_id: country.id )
        end
  elsif match_regions_abbr_for_country( name ) do |country_key|   # name =~ /\/([a-z]{2})\/regions\.abbr/
          load_regions_xxx( country_key, 'abbr', name )
        end
  elsif match_regions_iso_for_country( name ) do |country_key|  # name =~ /\/([a-z]{2})\/regions\.iso/
          load_regions_xxx( country_key, 'iso', name )
        end
  elsif match_regions_nuts_for_country( name ) do |country_key|  # name =~ /\/([a-z]{2})\/regions\.nuts/
          load_regions_xxx( country_key, 'nuts', name )
        end
  elsif match_regions_for_country( name ) do |country_key|  # name =~ /\/([a-z]{2})\/regions/
          ## auto-add required country code (from folder structure)
          country = Country.find_by_key!( country_key )
          logger.debug "Country #{country.key} >#{country.title} (#{country.code})<"

          r = RegionReader.new( include_path )
          r.read( name, country_id: country.id )
        end
  else
    logger.error "unknown world.db fixture type >#{name}<"
    # todo/fix: exit w/ error
  end
end

#load_continent_defs(name, more_attribs = {}) ⇒ Object

use ContinentDef Reader



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# File 'lib/worlddb/reader.rb', line 152

def load_continent_defs( name, more_attribs={} )
  reader = ValuesReaderV2.new( name, include_path, more_attribs )

  reader.each_line do |attribs, values|

    ## check optional values
    values.each_with_index do |value, index|
      logger.warn "unknown type for value >#{value}<"
    end

    rec = Continent.find_by_key( attribs[ :key ] )
    if rec.present?
      logger.debug "update Continent #{rec.id}-#{rec.key}:"
    else
      logger.debug "create Continent:"
      rec = Continent.new
    end
    
    logger.debug attribs.to_json
 
    rec.update_attributes!( attribs )

  end # each lines
end

#load_continent_refs(name) ⇒ Object

use ContinentRefReader



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# File 'lib/worlddb/reader.rb', line 140

def load_continent_refs( name )
  reader = HashReaderV2.new( name, include_path )

  reader.each do |key, value|
    country = Country.find_by_key!( key )
    continent = Continent.find_by_key!( value )
    country.continent_id = continent.id
    country.save!
  end
end

#load_regions_xxx(country_key, xxx, name) ⇒ Object

use RegionAttrReader



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# File 'lib/worlddb/reader.rb', line 125

def load_regions_xxx( country_key, xxx, name )
  country = Country.find_by_key!( country_key )
  logger.debug "Country #{country.key} >#{country.title} (#{country.code})<"

  reader = HashReaderV2.new( name, include_path )

  reader.each do |key, value|
    region = Region.find_by_country_id_and_key!( country.id, key )
    region.send( "#{xxx}=", value )
    region.save!
  end
end

#load_setup(name) ⇒ Object 



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# File 'lib/worlddb/reader.rb', line 37

def load_setup( name )
  path = "#{include_path}/#{name}.yml"

  logger.info "parsing data '#{name}' (#{path})..."

  reader = FixtureReader.new( path )

  # too big for heroku free db plan (10,000 record limit)
  #  - sorry, can't load by default
  fixture_excludes = [
    'south-america/ve/cities'
  ]

  reader.each do |fixture_name|
    next if fixture_excludes.include?( fixture_name )  # skip loading
    
    load( fixture_name )
  end
end

#load_xxx(xxx, name) ⇒ Object

use CountryAttr Reader



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# File 'lib/worlddb/reader.rb', line 178

def load_xxx( xxx, name )
  reader = HashReaderV2.new( name, include_path )

  reader.each do |key, value|
    country = Country.find_by_key!( key )
    country.send( "#{xxx}=", value )
    country.save!
  end
end

#skip_tags? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/worlddb/reader.rb', line 22

def skip_tags?()   @skip_tags == true;  end

#strict? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/worlddb/reader.rb', line 23

def strict?()      @strict == true;     end