Class: JMACode::AreaForecastLocal

Inherits:
Struct
  • Object
show all
Defined in:
lib/jma_code/area_forecast_local.rb

Constant Summary collapse

CSV_ROW_SEP = 
"\r\n"
NUM_HEADER_ROWS = 
4
HEADERS = 
%i(
  code
  name
  name_phonetic
  used_by_area_forecast_type3_in_weather_alert
  used_by_area_forecast_type2_in_weather_alert
  used_by_area_forecast_type1_in_weather_alert
  used_by_weather_forecast
  used_by_weather_description
  used_by_next_weather_forecast
  used_by_landslide_alert
  used_by_area_forecast_type3_in_tornado_alert
  used_by_area_forecast_type2_in_tornado_alert
  used_by_area_forecast_type1_in_tornado_alert
  used_by_recorded_heavy_rain_alert
  used_by_flood_alert
  used_by_area_forecast_type3_in_typhoon_probability
  used_by_area_forecast_type1_in_typhoon_probability
  belonging_local_code_in_weather_alert
  belonging_local_code_in_tornado_alert
)

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Class Attribute Details

.data ⇒ Object

Returns the value of attribute data.



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# File 'lib/jma_code/area_forecast_local.rb', line 37

def data
  @data
end

Instance Attribute Details

#belonging_local_code_in_tornado_alert ⇒ Object

Returns the value of attribute belonging_local_code_in_tornado_alert

Returns:

  • (Object) —

    the current value of belonging_local_code_in_tornado_alert



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# File 'lib/jma_code/area_forecast_local.rb', line 5

def belonging_local_code_in_tornado_alert
  @belonging_local_code_in_tornado_alert
end

#belonging_local_code_in_weather_alert ⇒ Object

Returns the value of attribute belonging_local_code_in_weather_alert

Returns:

  • (Object) —

    the current value of belonging_local_code_in_weather_alert



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# File 'lib/jma_code/area_forecast_local.rb', line 5

def belonging_local_code_in_weather_alert
  @belonging_local_code_in_weather_alert
end

#code ⇒ Object

Returns the value of attribute code

Returns:

  • (Object) —

    the current value of code



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# File 'lib/jma_code/area_forecast_local.rb', line 5

def code
  @code
end

#name ⇒ Object

Returns the value of attribute name

Returns:

  • (Object) —

    the current value of name



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# File 'lib/jma_code/area_forecast_local.rb', line 5

def name
  @name
end

#name_phonetic ⇒ Object

Returns the value of attribute name_phonetic

Returns:

  • (Object) —

    the current value of name_phonetic



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# File 'lib/jma_code/area_forecast_local.rb', line 5

def name_phonetic
  @name_phonetic
end

#used_by ⇒ Object

Returns the value of attribute used_by

Returns:

  • (Object) —

    the current value of used_by



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# File 'lib/jma_code/area_forecast_local.rb', line 5

def used_by
  @used_by
end

Class Method Details

.build_by_csv_row(row) ⇒ Object 



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# File 'lib/jma_code/area_forecast_local.rb', line 83

def build_by_csv_row(row)
  used_by_fields = HEADERS.select{|n| n.to_s.start_with?('used_by_')}

  new(
    code: row[:code], 
    name: row[:name], 
    name_phonetic: row[:name_phonetic],
    belonging_local_code_in_weather_alert: row[:belonging_local_code_in_weather_alert],
    belonging_local_code_in_tornado_alert: row[:belonging_local_code_in_tornado_alert],
    used_by: used_by_fields.select{|f| row[f] == '1'}.map{|f| f.to_s.sub(/\Aused_by_/, '').to_sym}
  )
end

.build_tree(areas = nil, cities = nil) ⇒ Object 



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# File 'lib/jma_code/area_forecast_local.rb', line 96

def build_tree(areas=nil, cities=nil)
  areas ||= get
  cities ||= JMACode::AreaInformationCity.get

  toplevels, areas = areas.partition{|a| a.any_belonging_locals.blank?}
  pref_areas = areas.group_by(&:prefecture_code)
  pref_cities = cities.group_by(&:prefecture_code)
  toplevels.group_by(&:prefecture).map{|pref, pref_toplevels|
    current_areas = pref_areas[pref.code]
    current_cities = pref_cities[pref.code]

    [
      block_given? ? yield(pref) : pref, 
      pref_toplevels.map{|t|
        secondlevels = (current_areas+current_cities).select{|a| a.child_of?(t)}
        secondlevels_children = secondlevels.map{|s|
          thirdlevels = (current_areas+current_cities).select{|a| a.child_of?(s)}
          thirdlevels_children = thirdlevels.map{|th| 
            forthlevels = current_cities.select{|c| c.child_of?(th)}
            [
              block_given? ? yield(th) : th, 
              forthlevels.map{|f|
                [block_given? ? yield(f) : f, nil]
              }
            ]
          }
          [
            block_given? ? yield(s) : s,
            thirdlevels_children
          ]
        }
        [
          block_given? ? yield(t) : t,
          secondlevels_children
        ]
      }
    ]

  }
end

.get ⇒ Object 



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# File 'lib/jma_code/area_forecast_local.rb', line 55

def get
  @data ||= load
end

.load(**args) ⇒ Object 



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# File 'lib/jma_code/area_forecast_local.rb', line 47

def load(**args)
  load_csv(**args) do |csv|
    csv.drop(NUM_HEADER_ROWS).map do |row|
      build_by_csv_row(row)
    end
  end
end

.load_csv(version: "20240216-completed") ⇒ Object 



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# File 'lib/jma_code/area_forecast_local.rb', line 39

def load_csv(version: "20240216-completed")
  path = File.join(File.dirname(__FILE__), "../../data/#{version}_AreaInformationCity-AreaForecastLocalM/AreaForecastLocalM（コード表）.csv")
  File.open(path) do |f|
    csv = CSV.new(f, headers: HEADERS, row_sep: CSV_ROW_SEP)
    yield(csv)
  end
end

.load_relation(version: "20240216") ⇒ Object 



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# File 'lib/jma_code/area_forecast_local.rb', line 59

def load_relation(version: "20240216")
  headers = %i(code_type3 name_type3 code_type2 name_type2 code_type1 name_type1)
  
  path1 = File.join(File.dirname(__FILE__), "../../data/#{version}_AreaInformationCity-AreaForecastLocalM/AreaForecastLocalM（関係表　警報・注意報.csv")
  relation1 = File.open(path1) do |f|
    csv = CSV.new(f, headers: headers, row_sep: CSV_ROW_SEP)
    csv.drop(3).map do |row|
      [row[:code_type3], row[:code_type2], row[:code_type1]]
    end
  end

  path2 = File.join(File.dirname(__FILE__), "../../data/#{version}_AreaInformationCity-AreaForecastLocalM/AreaForecastLocalM（関係表　竜巻注意情報.csv")
  relation2 = File.open(path2) do |f|
    csv = CSV.new(f, headers: headers, row_sep: CSV_ROW_SEP)
    csv.drop(3).map do |row|
      [row[:code_type3], row[:code_type2], row[:code_type1]]
    end
  end

  Struct.new(:relation_weather_alert, :relation_tornado_alert, keyword_init: true).new({
    relation_weather_alert: relation1, relation_tornado_alert: relation2
  })
end

.walk_tree(tree, &block) ⇒ Object 



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# File 'lib/jma_code/area_forecast_local.rb', line 137

def walk_tree(tree, &block)
  tree.map do |area, children|
    a = block.call(area)
    c = if children.is_a?(Array) and children.present?
      walk_tree(children, &block)
    else
      children
    end
    [a, c]
  end
end

Instance Method Details

#any_ancestry_locals ⇒ Object 



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# File 'lib/jma_code/area_forecast_local.rb', line 180

def any_ancestry_locals
  @any_ancestry_locals ||= [
    belonging_local_in_weather_alert, 
    belonging_local_in_tornado_alert, 
    belonging_local_in_weather_alert&.belonging_local_in_weather_alert, 
    belonging_local_in_tornado_alert&.belonging_local_in_tornado_alert, 
  ].compact.uniq(&:code)
end

#any_belonging_locals ⇒ Object 



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# File 'lib/jma_code/area_forecast_local.rb', line 176

def any_belonging_locals
  @any_belonging_locals ||= [belonging_local_in_weather_alert, belonging_local_in_tornado_alert].compact.uniq(&:code)
end

#area_information_cities ⇒ Object 



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# File 'lib/jma_code/area_forecast_local.rb', line 158

def area_information_cities
  @area_information_cities ||= AreaInformationCity.get.select{|x| x.area_forecast_local_code == code}
end

#belonging_local_in_tornado_alert ⇒ Object 



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# File 'lib/jma_code/area_forecast_local.rb', line 169

def belonging_local_in_tornado_alert
  return nil if belonging_local_code_in_tornado_alert.blank?
  @belonging_local_in_tornado_alert ||= begin
    AreaForecastLocal.get.find{|a| a.code == belonging_local_code_in_tornado_alert}
  end
end

#belonging_local_in_weather_alert ⇒ Object 



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# File 'lib/jma_code/area_forecast_local.rb', line 162

def belonging_local_in_weather_alert
  return nil if belonging_local_code_in_weather_alert.blank?
  @belonging_local_in_weather_alert ||= begin
    AreaForecastLocal.get.find{|a| a.code == belonging_local_code_in_weather_alert}
  end
end

#child_of?(area_or_city) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jma_code/area_forecast_local.rb', line 189

def child_of?(area_or_city)
  any_belonging_locals.map(&:code).include?(area_or_city.code)
end

#prefecture ⇒ Object 



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# File 'lib/jma_code/area_forecast_local.rb', line 154

def prefecture
  @prefecture ||= Prefecture.get.find{|pref| pref.code == prefecture_code}
end

#prefecture_code ⇒ Object 



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# File 'lib/jma_code/area_forecast_local.rb', line 150

def prefecture_code
  @prefecture_code ||= code[0, 2]
end

#to_csv_row ⇒ Object 



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# File 'lib/jma_code/area_forecast_local.rb', line 193

def to_csv_row
  HEADERS.map do |k|
    respond_to?(k) ?
      public_send(k) :
      nil
  end
end