Class: BeerDb::Reader

Inherits:
Object
  • Object
show all
Includes:
Models, LogUtils::Logging
Defined in:
lib/beerdb/reader.rb

Constant Summary

Constants included from Models

Models::City, Models::Continent, Models::Country, Models::Prop, Models::Region, Models::Tag, Models::Tagging

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

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

Returns a new instance of Reader.



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# File 'lib/beerdb/reader.rb', line 14

def initialize( include_path, opts = {} )
  @include_path = include_path
end

Instance Attribute Details

#include_path ⇒ Object (readonly)

Returns the value of attribute include_path.



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# File 'lib/beerdb/reader.rb', line 11

def include_path
  @include_path
end

Instance Method Details

#load(name) ⇒ Object 



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# File 'lib/beerdb/reader.rb', line 32

def load( name )

  if name =~ /\/([a-z]{2})\/beers/
    # classic style: e.g. /at/beers
    # auto-add required country code (from folder structure)
    load_beers_for_country( $1, name )
  elsif name =~ /\/([a-z]{2})-[^\/]+\/([a-z]{1,2})-[^\/]+\/beers/
    # new style: e.g.  /at-austria/w-wien/beers
    # auto-add required country n region code (from folder structure)
    load_beers_for_country_n_region( $1, $2, name )
  elsif name =~ /\/([a-z]{2})-[^\/]+\/beers/
    # new style: e.g. /at-austria/beers
    # auto-add required country code (from folder structure)
    load_beers_for_country( $1, name )
  elsif name =~ /\.hl$/   # e.g. breweries.hl   # NB: must end w/ .hl
     load_brewery_prod( name )
  elsif name =~ /\/([a-z]{2})\.wikipedia/   # e.g. de.wikipedia
     # auto-add required lang e.g. de or en etc.
     load_brewery_wiki( $1, name )
  elsif name =~ /\/([a-z]{2})-[^\/]+\/([a-z]{1,2})-[^\/]+\/breweries/
    # new style: e.g.  /at-austria/w-wien/breweries
    # auto-add required country n region code (from folder structure)
    load_breweries_for_country_n_region( $1, $2, name )
  elsif name =~ /\/([a-z]{2})-[^\/]+\/breweries/
    # new style: e.g.  /at-austria/breweries
    # auto-add required country (from folder structure)
    load_breweries_for_country( $1, name )
  elsif name =~ /\/([a-z]{2})\/breweries/
    # classic style: e.g. /at/breweries
    # auto-add required country code (from folder structure)
    load_breweries_for_country( $1, name )
  else
    logger.error "unknown beer.db fixture type >#{name}<"
    # todo/fix: exit w/ error
  end
end

#load_beers_for_country(country_key, name, more_values = {}) ⇒ Object 



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# File 'lib/beerdb/reader.rb', line 126

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

  more_values[ :country_id ] = country.id

  load_beers_worker( name, more_values )
end

#load_beers_for_country_n_region(country_key, region_key, name, more_values = {}) ⇒ Object 



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# File 'lib/beerdb/reader.rb', line 112

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

  # NB: region lookup requires country id (region key only unique for country)
  region  = Region.find_by_key_and_country_id!( region_key, country.id )
  logger.debug "Region #{region.key} >#{region.title}<"

  more_values[ :country_id ] = country.id
  more_values[ :region_id  ] = region.id

  load_beers_worker( name, more_values )
end

#load_beers_worker(name, more_values = {}) ⇒ Object 



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# File 'lib/beerdb/reader.rb', line 135

def load_beers_worker( name, more_values={} )
  path = "#{include_path}/#{name}.txt"

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

  reader = ValuesReader.new( path, more_values )

  reader.each_line do |new_attributes, values|
    Beer.create_or_update_from_values( new_attributes, values )
  end # each_line

  Prop.create_from_fixture!( name, path )
end

#load_breweries_for_country(country_key, name, more_values = {}) ⇒ Object 



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# File 'lib/beerdb/reader.rb', line 164

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

  more_values[ :country_id ] = country.id

  load_breweries_worker( name, more_values )
end

#load_breweries_for_country_n_region(country_key, region_key, name, more_values = {}) ⇒ Object 



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# File 'lib/beerdb/reader.rb', line 150

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

  # NB: region lookup requires country id (region key only unique for country)
  region  = Region.find_by_key_and_country_id!( region_key, country.id )
  logger.debug "Region #{region.key} >#{region.title}<"

  more_values[ :country_id ] = country.id
  more_values[ :region_id  ] = region.id

  load_breweries_worker( name, more_values )
end

#load_breweries_worker(name, more_values = {}) ⇒ Object 



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# File 'lib/beerdb/reader.rb', line 173

def load_breweries_worker( name, more_values={} )
  path = "#{include_path}/#{name}.txt"

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

  reader = ValuesReader.new( path, more_values )
  
  reader.each_line do |new_attributes, values|
    Brewery.create_or_update_from_values( new_attributes, values )
  end # each_line

  Prop.create_from_fixture!( name, path )
end

#load_brewery_prod(name) ⇒ Object 



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# File 'lib/beerdb/reader.rb', line 89

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

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

  reader = HashReader.new( path )

  reader.each do |key, value|
    brewery = Brewery.find_by_key!( key )
    
    if value =~ /(?:([0-9][0-9_ ]+[0-9]|[0-9]{1,2})\s*hl)/  # e.g. 20_0000 hl or 50hl etc.
      prod =  $1.gsub(/[ _]/, '').to_i
      logger.debug "  adding #{key} => >#{prod}<"
      brewery.prod = prod
      brewery.save!
    else
      logger.warn "  unknown type for brewery prod value >#{value}<; regex pattern match failed"
    end
  end

  Prop.create_from_fixture!( name, path )
end

#load_brewery_wiki(lang_key, name) ⇒ Object 



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# File 'lib/beerdb/reader.rb', line 69

def load_brewery_wiki( lang_key, name )
  path = "#{include_path}/#{name}.yml"

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

  reader = HashReader.new( path )

  reader.each do |key, value|
    brewery = Brewery.find_by_key!( key )
    
    wiki = "#{lang_key}.wikipedia.org/wiki/#{value.strip}"
    logger.debug "  adding #{key} => >#{wiki}<"
    brewery.wiki = wiki
    brewery.save!
  end

  Prop.create_from_fixture!( name, path )
end

#load_setup(name) ⇒ Object 



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# File 'lib/beerdb/reader.rb', line 19

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

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

  reader = FixtureReader.new( path )

  reader.each do |fixture_name|
    load( fixture_name )
  end
end