Class: BeerDb::Models::Beer

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

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.create_or_update_from_values(new_attributes, values) ⇒ Object 



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# File 'lib/beerdb/models/beer.rb', line 52

def self.create_or_update_from_values( new_attributes, values )
  
  ## fix: add/configure logger for ActiveRecord!!!
  logger = LogKernel::Logger.root
  
  value_tag_keys    = []
    
  ### check for "default" tags - that is, if present new_attributes[:tags] remove from hash
    
  if new_attributes[:tags].present?
    more_tag_keys = new_attributes[:tags].split('|')
    new_attributes.delete(:tags)

    ## unify; replace _ w/ space; remove leading n trailing whitespace
    more_tag_keys = more_tag_keys.map do |key|
      key = key.gsub( '_', ' ' )
      key = key.strip
      key
    end

    value_tag_keys += more_tag_keys
  end


  ## check for optional values
  values.each_with_index do |value,index|
    if value =~ /^country:/   ## country:
      value_country_key = value[8..-1]  ## cut off country: prefix
      value_country = Country.find_by_key!( value_country_key )
      new_attributes[ :country_id ] = value_country.id
    elsif value =~ /^region:/   ## region:
      value_region_key = value[7..-1]  ## cut off region: prefix
      value_region = Region.find_by_key_and_country_id!( value_region_key, new_attributes[:country_id] )
      new_attributes[ :region_id ] = value_region.id
    elsif is_region?( value )  ## assume region code e.g. TX or N
      value_region = Region.find_by_key_and_country_id!( value.downcase, new_attributes[:country_id] )
      new_attributes[ :region_id ] = value_region.id
    elsif value =~ /^city:/   ## city:
      value_city_key = value[5..-1]  ## cut off city: prefix
      value_city = City.find_by_key( value_city_key )
      if value_city.present?
        new_attributes[ :city_id ] = value_city.id
      else
        ## todo/fix: add strict mode flag - fail w/ exit 1 in strict mode
        logger.warn "city with key #{value_city_key} missing"
      end
    elsif value =~ /^by:/   ## by:  -brewed by/brewery
      value_brewery_key = value[3..-1]  ## cut off by: prefix
      value_brewery = Brewery.find_by_key!( value_brewery_key )
      new_attributes[ :brewery_id ] = value_brewery.id

      # for easy queries cache city and region ids
        
      # 1) check if brewery has city - if yes, use it for beer too
      if value_brewery.city.present?
        new_attributes[ :city_id ] = value_brewery.city.id
      end

      # 2) check if brewery has city w/ region if yes, use it for beer to
      #   if not check for region for brewery
      if value_brewery.city.present? && value_brewery.city.region.present?
        new_attributes[ :region_id ] = value_brewery.city.region.id
      elsif value_brewery.region.present?
        new_attributes[ :region_id ] = value_brewery.region.id
      end

    elsif is_year?( value )  # founded/established year e.g. 1776
      new_attributes[ :since ] = value.to_i
    elsif is_website?( value )   # check for url/internet address e.g. www.ottakringer.at
      # fix: support more url format (e.g. w/o www. - look for .com .country code etc.)
      new_attributes[ :web ] = value
    elsif value =~ /^<?\s*(\d+(?:\.\d+)?)\s*%$/  ## abv (alcohol by volumee)
      ## nb: allow leading < e.g. <0.5%
      value_abv_str = $1.dup   # convert to decimal? how? use float?
      new_attributes[ :abv ] = value_abv_str
    elsif value =~ /^(\d+(?:\.\d+)?)°$/  ## plato (stammwuerze/gravity?) e.g. 11.2°
      ## nb: no whitespace allowed between ° and number e.g. 11.2°
      value_og_str = $1.dup   # convert to decimal? how? use float?
      new_attributes[ :og ] = value_og_str
    elsif value =~ /^(\d+(?:\.\d+)?)\s*kcal(?:\/100ml)?$/  ## kcal
       ## nb: allow 44.4 kcal/100ml or 44.4 kcal or 44.4kcal
      value_kcal_str = $1.dup   # convert to decimal? how? use float?
      new_attributes[ :kcal ] = value_kcal_str
    elsif (values.size==(index+1)) && is_taglist?( value )  # tags must be last entry

      logger.debug "   found tags: >>#{value}<<"

      tag_keys = value.split('|')

      ## unify; replace _ w/ space; remove leading n trailing whitespace
      tag_keys = tag_keys.map do |key|
        key = key.gsub( '_', ' ' )
        key = key.strip
        key
      end
        
      value_tag_keys += tag_keys
    else
      # issue warning: unknown type for value
      logger.warn "unknown type for value >#{value}< - key #{new_attributes[:key]}"
    end
  end # each value

  #  rec = Beer.find_by_key_and_country_id( new_attributes[ :key ], new_attributes[ :country_id] )
  rec = Beer.find_by_key( new_attributes[ :key ] )

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

  rec.update_attributes!( new_attributes )

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

  if value_tag_keys.size > 0
      
      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
  
  rec # NB: return created or updated obj

end

.rnd ⇒ Object

find random beer - fix: use “generic” activerecord helper and include/extend class



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# File 'lib/beerdb/models/beer.rb', line 24

def self.rnd  # find random beer  - fix: use "generic" activerecord helper and include/extend class
  rnd_offset = rand( Beer.count )   ## NB: call "global" std lib rand
  Beer.offset( rnd_offset ).limit( 1 )
end

Instance Method Details

#color ⇒ Object

support old names (read-only) for now (remove later)



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# File 'lib/beerdb/models/beer.rb', line 31

def color
  puts "*** depreceated fn api - use srm"
  srm
end

#color=(value) ⇒ Object 



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# File 'lib/beerdb/models/beer.rb', line 41

def color=(value)
  puts "*** depreceated fn api - use srm="
  self.srm = value
end

#plato ⇒ Object 



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# File 'lib/beerdb/models/beer.rb', line 36

def plato
  puts "*** depreceated fn api - use og"
  og
end

#plato=(value) ⇒ Object 



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# File 'lib/beerdb/models/beer.rb', line 46

def plato=(value)
  puts "*** depreceated fn api - use og="
  self.og = value
end