Class: WineDb::Reader

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Matcher

#match_wineries_for_country, #match_wines_for_country

Constructor Details

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

Returns a new instance of Reader.



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# File 'lib/winedb/reader.rb', line 39

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/winedb/reader.rb', line 36

def include_path
  @include_path
end

Instance Method Details

#load(name) ⇒ Object 



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# File 'lib/winedb/reader.rb', line 57

def load( name )

  if match_wines_for_country( name ) do |country_key|
          load_wines_for_country( country_key, name )
        end
  elsif match_wineries_for_country( name ) do |country_key|
          load_wineries_for_country( country_key, name )
        end
  else
    logger.error "unknown wine.db fixture type >#{name}<"
    # todo/fix: exit w/ error
  end
end

#load_setup(name) ⇒ Object 



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# File 'lib/winedb/reader.rb', line 44

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

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



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

def load_wineries_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_wineries_worker( name, more_attribs )
end

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



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# File 'lib/winedb/reader.rb', line 137

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

  reader.each_line do |new_attributes, values|
    
    #######
    # fix: move to (inside)
    #    Winery.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
    
    Winery.create_or_update_from_attribs( new_attributes, values )
  end # each_line
end

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



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# File 'lib/winedb/reader.rb', line 72

def load_wines_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_wines_worker( name, more_attribs )
end

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



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# File 'lib/winedb/reader.rb', line 84

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

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

  known_wineries = TextUtils.build_title_table_for( known_wineries_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_winery()   move region,city code out of values loop for reuse at the end
    if new_attributes[:header].present?
      winery_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 winery in line >#{winery_line}<"
      ## todo: check what map_titles_for! returns (nothing ???)
      TextUtils.map_titles_for!( 'winery', winery_line, known_wineries )
      winery_key = TextUtils.find_key_for!( 'winery', winery_line )
      logger.debug "  winery_key = >#{winery_key}<"
      unless winery_key.nil?
        ## bingo! add winery_id upfront, that is, as first value in ary
        values = values.unshift "winery:#{winery_key}"
      end
    end

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