Class: FoodFishParser::Flat::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/food_fish_parser/flat/parser.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ FoodFishParser::Flat::Parser

Create a new fish detail parser



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# File 'lib/food_fish_parser/flat/parser.rb', line 14

def initialize
end

Instance Method Details

#parse(s, **options) ⇒ Array<Hash>

Parse food fish text into a structured representation.

Parameters:

  • s (String) —

    text to parse

Returns:

  • (Array<Hash>) —

    structured representation of fish details (maximum one item)



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# File 'lib/food_fish_parser/flat/parser.rb', line 21

def parse(s, **options)
  names = FishName.find_all(s)
  areas = AreaName.find_all(s) + AreaFao.find_all(s)
  catch_methods = CatchMethod.find_all(s)
  aquac_methods = AquacMethod.find_all(s)

  is_wild = catch_methods.any? || Kind.is_wild?(s)
  is_aquac = aquac_methods.any? || Kind.is_aquac?(s)

  return [] unless names.any? || aquac_methods.any? || catch_methods.any? || areas.any?

  attrs = {
    names: names,
    catch_areas: [],
    catch_methods: catch_methods,
    aquaculture_areas: [],
    aquaculture_methods: aquac_methods
  }

  if is_wild && !is_aquac
    [attrs.merge(catch_areas: areas)]
  elsif !is_wild && is_aquac
    [attrs.merge(aquaculture_areas: areas)]
  elsif areas.any?
    # We have a problem: either there are multiple fish and they're a mix of
    # wild and aquaculture fish, or there is no such indication at all.
    # For now, we return it in a non-standard way (this needs to be tackled).
    [attrs.merge(areas: areas)]
  else
    # just names
    [attrs]
  end
end