Class: BeerDb::ZipReader

Inherits:
ReaderBase show all
Defined in:
lib/beerdb/reader_zip.rb

Instance Method Summary collapse

Methods inherited from ReaderBase

#load, #load_beers_for_country, #load_beers_for_country_n_state, #load_beers_worker, #load_breweries_for_country, #load_breweries_for_country_n_state, #load_breweries_worker, #load_setup

Methods included from Matcher

#match_beers_for_country, #match_beers_for_country_n_state, #match_breweries_for_country, #match_breweries_for_country_n_state, #match_brewpubs_for_country, #match_brewpubs_for_country_n_state

Constructor Details

#initialize(name, include_path, opts = {}) ⇒ ZipReader

Returns a new instance of ZipReader.



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# File 'lib/beerdb/reader_zip.rb', line 8

def initialize( name, include_path, opts = {} )

  ## todo/fix: make include_path an opts (included in opts?) - why? why not??

  path = "#{include_path}/#{name}.zip"
  ## todo: check if zip exists

  @zip_file = Zip::File.open( path )   ## NOTE: do NOT create if file is missing; let it crash
  
  ### allow prefix (path) in name
  ###    e.g. assume all files relative to setup manifest
  ## e.g. at-austria-master/setups/all.txt or
  ##      be-belgium-master/setups/all.txt
  ##  for
  ##    setups/all.txt
  ###
  ##  will get (re)set w/ fixture/setup reader
  ##
  ## todo/fix: change/rename to @relative_path ?? - why? why not? 
  @zip_prefix = ''
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/beerdb/reader_zip.rb', line 31

def close
  ## todo/check: add a close method - why? why not ???
  @zip_file.close
end

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



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# File 'lib/beerdb/reader_zip.rb', line 66

def create_beers_reader( name, more_attribs={} )
  path = name_to_zip_entry_path( name )

  logger.debug "parsing data (beers) in zip '#{name}' (#{path})..."

  BeerReader.from_zip( @zip_file, path, more_attribs )
end

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



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# File 'lib/beerdb/reader_zip.rb', line 75

def create_breweries_reader( name, more_attribs={} )
  path = name_to_zip_entry_path( name )

  logger.debug "parsing data (breweries) in zip '#{name}' (#{path})..."

  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

  BreweryReader.from_zip( @zip_file, path, more_attribs )
end

#create_fixture_reader(name) ⇒ Object 



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# File 'lib/beerdb/reader_zip.rb', line 37

def create_fixture_reader( name )
  ## e.g. pass in =>  setups/all  or setups/test etc.  e.g. w/o .txt extension
  query = "**/#{name}.txt"

  ## note: returns an array of Zip::Entry
  candidates = @zip_file.glob( query )
  pp candidates

  ## use first candidates entry as match
  ## todo/fix: issue warning if more than one entries/matches!!

  ## get fullpath e.g. at-austria-master/setups/all.txt
  path = candidates[0].name
  logger.debug "  zip entry path >>#{path}<<"

  ## cut-off at-austria-master/    NOTE: includes trailing slash (if present)
  ## logger.debug "  path.size #{path.size} >>#{path}<<"
  ## logger.debug "  name.size #{name.size+4} >>#{name}<<"

  ## note: add +4 for extension (.txt)
  @zip_prefix = path[ 0...(path.size-(name.size+4)) ]
  logger.debug "  zip entry prefix >>#{@zip_prefix}<<"

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

  FixtureReader.from_zip( @zip_file, path )
end