Class: BeerDb::ReaderBase

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

Direct Known Subclasses

Reader, ZipReader

Instance Method Summary collapse

Methods included from Matcher

#match_beers_for_country, #match_beers_for_country_n_region, #match_breweries_for_country, #match_breweries_for_country_n_region, #match_brewpubs_for_country, #match_brewpubs_for_country_n_region

Instance Method Details

#load(name) ⇒ Object 



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# File 'lib/beerdb/reader.rb', line 56

def load( name )

  if match_beers_for_country_n_region( name ) do |country_key, region_key|
          load_beers_for_country_n_region( country_key, region_key, name )
        end
  elsif match_beers_for_country( name ) do |country_key|
          load_beers_for_country( country_key, name )
        end
  elsif match_breweries_for_country_n_region( name ) do |country_key, region_key|
          load_breweries_for_country_n_region( country_key, region_key, name )
        end
  elsif match_breweries_for_country( name ) do |country_key|
          load_breweries_for_country( country_key, name )
        end
  elsif match_brewpubs_for_country_n_region( name ) do |country_key, region_key|
          load_breweries_for_country_n_region( country_key, region_key, name, brewpub: true )
        end
  elsif match_brewpubs_for_country( name ) do |country_key|
          load_breweries_for_country( country_key, name, brewpub: true )
        end
  else
    logger.error "unknown beer.db fixture type >#{name}<"
    # todo/fix: exit w/ error
  end
end

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



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# File 'lib/beerdb/reader.rb', line 103

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

  more_attribs[ :country_id ] = country.id

  more_attribs[ :txt ] = name  # store source ref

  load_beers_worker( name, more_attribs )
end

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



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# File 'lib/beerdb/reader.rb', line 83

def load_beers_for_country_n_region( country_key, region_key, name, more_attribs={} )
  country = Country.find_by_key!( country_key )
  logger.debug "Country #{country.key} >#{country.title} (#{country.code})<"
  more_attribs[ :country_id ] = country.id

  # NB: region lookup requires country id (region key only unique for country)
  region  = Region.find_by_key_and_country_id( region_key, country.id )
  if region.nil?
    # note: allow unknown region keys; issue warning n skip region
    logger.warn "Region w/ key >#{region_key}< not found; skip adding region"
  else
    logger.debug "Region #{region.key} >#{region.title}<"
    more_attribs[ :region_id  ] = region.id
  end

  more_attribs[ :txt ] = name  # store source ref

  load_beers_worker( name, more_attribs )
end

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



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# File 'lib/beerdb/reader.rb', line 115

def load_beers_worker( name, more_attribs={} )

  reader = create_beers_reader( name, more_attribs )  ### "virtual" method - required by concrete class

  ### todo: cleanup - check if [] works for build_title...
  #     better cleaner way ???
  if more_attribs[:region_id].present?
    known_breweries_source = Brewery.where( region_id:  more_attribs[:region_id] )
  elsif more_attribs[:country_id].present?
    known_breweries_source = Brewery.where( country_id: more_attribs[:country_id] )
  else
    logger.warn "no region or country specified; use empty brewery ary for header mapper"
    known_breweries_source = []
  end

  known_breweries  = TextUtils.build_title_table_for( known_breweries_source )


  reader.each_line do |new_attributes, values|

    ## note: check for header attrib; if present remove
    ### todo: cleanup code later
    ## fix: add to new_attributes hash instead of values ary
    ##   - fix: match_brewery()   move region,city code out of values loop for reuse at the end
    if new_attributes[:header].present?
      brewery_line = new_attributes[:header].dup   # note: make sure we make a copy; will use in-place string ops
      new_attributes.delete(:header)   ## note: do NOT forget to remove from hash!

      logger.debug "  trying to find brewery in line >#{brewery_line}<"
      ## todo: check what map_titles_for! returns (nothing ???)
      TextUtils.map_titles_for!( 'brewery', brewery_line, known_breweries )
      brewery_key = TextUtils.find_key_for!( 'brewery', brewery_line )
      logger.debug "  brewery_key = >#{brewery_key}<"
      unless brewery_key.nil?
        ## bingo! add brewery_id upfront, that is, as first value in ary
        values = values.unshift "by:#{brewery_key}"
      end
    end

    Beer.create_or_update_from_attribs( new_attributes, values )
  end # each_line
end

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



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# File 'lib/beerdb/reader.rb', line 180

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

  more_attribs[ :country_id ] = country.id

  more_attribs[ :txt ] = name  # store source ref

  load_breweries_worker( name, more_attribs )
end

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



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# File 'lib/beerdb/reader.rb', line 159

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

  more_attribs[ :country_id ] = country.id

  # note: region lookup requires country id (region key only unique for country)
  region  = Region.find_by_key_and_country_id( region_key, country.id )
  if region.nil?
    # note: allow unknown region keys; issue warning n skip region
    logger.warn "Region w/ key >#{region_key}< not found; skip adding region"
  else
    logger.debug "Region #{region.key} >#{region.title}<"
    more_attribs[ :region_id  ] = region.id
  end

  more_attribs[ :txt ] = name  # store source ref

  load_breweries_worker( name, more_attribs )
end

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



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# File 'lib/beerdb/reader.rb', line 191

def load_breweries_worker( name, more_attribs={} )
  
  if name =~ /\(m\)/     # check for (m) mid-size/medium marker -todo- use $?? must be last?
     more_attribs[ :prod_m ] = true
  elsif name =~ /\(l\)/  # check for (l) large marker - todo - use $?? must be last?
     more_attribs[ :prod_l ] = true
  else
    ## no marker; do nothing
  end

  reader = create_breweries_reader( name, more_attribs ) ### "virtual" method - required by concrete class

  reader.each_line do |new_attributes, values|
    
    #######
    # fix: move to (inside)
    #    Brewery.create_or_update_from_attribs ||||
    ## note: group header not used for now; do NOT forget to remove from hash!
    if new_attributes[:header].present?
      logger.warn "removing unused group header #{new_attributes[:header]}"
      new_attributes.delete(:header)   ## note: do NOT forget to remove from hash!
    end
    
    Brewery.create_or_update_from_attribs( new_attributes, values )
  end # each_line
end

#load_setup(name) ⇒ Object 



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# File 'lib/beerdb/reader.rb', line 46

def load_setup( name )
  reader = create_fixture_reader( name )   ### "virtual" method - required by concrete class

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