Class: SportDb::EventMetaReader

Inherits:
Object
  • Object
show all
Includes:
LogUtils::Logging, Model
Defined in:
lib/sportdb/readers/event_meta.rb

Constant Summary

Constants included from Model

Model::City, Model::Continent, Model::Country, Model::Person, Model::Prop, Model::State

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(text, config, more_attribs = {}) ⇒ EventMetaReader

Returns a new instance of EventMetaReader.



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# File 'lib/sportdb/readers/event_meta.rb', line 43

def initialize( text, config, more_attribs={} )
  ## todo/fix: how to add opts={} ???
  ##  todo/check: more_attribs used ???
  @text = text
  @more_attribs = more_attribs

  # name of  event configuration (relative basename w/o path or string)
  @config   = config
  
  @event    = nil
  @fixtures = []
end

Instance Attribute Details

#event ⇒ Object (readonly)

returns event record; call read first



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# File 'lib/sportdb/readers/event_meta.rb', line 14

def event
  @event
end

#fixtures ⇒ Object (readonly)

fixtures/sources entry from event config



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# File 'lib/sportdb/readers/event_meta.rb', line 15

def fixtures
  @fixtures
end

Class Method Details

.from_file(path, more_attribs = {}) ⇒ Object 



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# File 'lib/sportdb/readers/event_meta.rb', line 29

def self.from_file( path, more_attribs={} )
  ## note: assume/enfore utf-8 encoding (with or without BOM - byte order mark)
  ## - see textutils/utils.rb
  text = File.read_utf8( path )
  
  config = File.basename( path )  # name of .yml file
  
  self.from_string( text, config, more_attribs )
end

.from_string(text, config, more_attribs = {}) ⇒ Object 



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# File 'lib/sportdb/readers/event_meta.rb', line 39

def self.from_string( text, config, more_attribs={} )
  self.new( text, config, more_attribs )
end

.from_zip(zip_file, entry_path, more_attribs = {}) ⇒ Object 



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# File 'lib/sportdb/readers/event_meta.rb', line 17

def self.from_zip( zip_file, entry_path, more_attribs={} )
  ## get text content from zip
  entry = zip_file.find_entry( entry_path )

  text = entry.get_input_stream().read()
  text = text.force_encoding( Encoding::UTF_8 )

  config = File.basename( entry_path )  # name of .yml file

  self.from_string( text, config, more_attribs )
end

Instance Method Details

#read ⇒ Object 



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# File 'lib/sportdb/readers/event_meta.rb', line 57

def read
  @event    = nil   # reset cached event rec
  @fixtures = []    # reset cached fixtures

  reader = HashReader.from_string( @text )

  league = nil
  season = nil

  reader.each_typed do |key, value|

    ## puts "processing event attrib >>#{key}<< >>#{value}<<..."

    if key.downcase == 'league'   ## note: allow league, League, etc.
      league_key = value.to_s.strip
      ## check if league_key includes uppercase letters (e.g. Deutsche Bundesliga and NOT de etc.)
      if league_key =~ /[A-Z]/
        ## assume league name (NOT league key); try to lookup leauge key in database
        league = League.find_by( title: league_key )
        ##  todo: add synonyms/alt names - why? why not??
      else
        ## assume "verbatim/literal" team_key (use as is 1:1)
        league = League.find_by( key: league_key )
      end       
  
      ## check if it exists
      if league.nil?
        logger.error "league with key >>#{league_key}<< missing"
        exit 1
      end
    elsif key.downcase == 'season'   ## note: allow season, Season, etc.
      season_key = value.to_s.strip
      season = Season.find_by( key: season_key )        

      ## check if it exists
      if season.nil?
        logger.error "season with key >>#{season_key}<< missing"
        exit 1
      end
    elsif key.downcase == 'fixtures' || key.downcase == 'sources'
      ### todo: check for mulitiple fixtures/sources ?? allow disallow?? why? why not?
      if value.kind_of?(Array)
        @fixtures += value
      else # assume plain (single fixture) string
        @fixtures << value.to_s
      end
    else
      ## todo: add a source location struct to_s or similar (file, line, col)
      logger.error "unknown event attrib #{key}; skipping attrib"
    end
  end # each key,value

  # check fixtures - if nothing specified; use basename of config (this) file
  if @fixtures.empty?
    ## use basename of config file as default (without extension)
    sources_default = File.basename( @config, File.extname( @config ) ) 
    logger.debug "  add default fixture (assume same basename as config file) e.g. >#{sources_default}<"
    @fixtures << sources_default  
  end

  logger.debug "find event - league.id: #{league.id}, season.id: #{season.id}"

  ## note: for now event MUST exist (read-only access)
  # keep a "cached" reference for later use
  @event = Event.find_by!( league_id: league.id,
                           season_id: season.id )
  
  @event
  
  ## todo/check:
  ##   return a "simple" hash in new (next) version - why? why not??
  ##    add fixtures (defaults) if missing
end