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data_miner.rb
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data_miner.rb
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require 'timeframe'
require 'earth/air/aircraft'
require 'earth/air/airline'
require 'earth/air/bts_aircraft'
FlightSegment.class_eval do
# For import errata
class FlightSegment::Guru
def in_may_2009?(row)
row ['MONTH'].to_i == 5 and row['YEAR'].to_i == 2009
end
def in_july_2009?(row)
row ['MONTH'].to_i == 7 and row['YEAR'].to_i == 2009
end
def method_missing(method_id, *args, &block)
if method_id.to_s =~ /^(origin|destination)_iata_([a-z]{3})\?$/
regexp = Regexp.new($2, Regexp::IGNORECASE)
if $1 == "origin"
args.first['ORIGIN'] =~ regexp
else
args.first['DEST'] =~ regexp
end
else
super
end
end
end
URL = 'http://www.transtats.bts.gov/DownLoad_Table.asp'
FORM_DATA = %{
Table_ID=293&
Has_Group=3&
UserTableName=T_100_Segment__All_Carriers&
DBShortName=Air_Carriers&
RawDataTable=T_T100_SEGMENT_ALL_CARRIER&
sqlstr=+SELECT+DEPARTURES_SCHEDULED%2CDEPARTURES_PERFORMED%2CPAYLOAD%2CSEATS%2CPASSENGERS%2CFREIGHT%2CMAIL%2CDISTANCE%2CRAMP_TO_RAMP%2CAIR_TIME%2CUNIQUE_CARRIER%2CAIRLINE_ID%2CUNIQUE_CARRIER_NAME%2CUNIQUE_CARRIER_ENTITY%2CREGION%2CCARRIER%2CCARRIER_NAME%2CCARRIER_GROUP%2CCARRIER_GROUP_NEW%2CORIGIN%2CORIGIN_CITY_NAME%2CORIGIN_STATE_ABR%2CORIGIN_STATE_FIPS%2CORIGIN_STATE_NM%2CORIGIN_COUNTRY%2CORIGIN_COUNTRY_NAME%2CORIGIN_WAC%2CDEST%2CDEST_CITY_NAME%2CDEST_STATE_ABR%2CDEST_STATE_FIPS%2CDEST_STATE_NM%2CDEST_COUNTRY%2CDEST_COUNTRY_NAME%2CDEST_WAC%2CAIRCRAFT_GROUP%2CAIRCRAFT_TYPE%2CAIRCRAFT_CONFIG%2CYEAR%2CQUARTER%2CMONTH%2CDISTANCE_GROUP%2CCLASS%2CDATA_SOURCE+FROM++T_T100_SEGMENT_ALL_CARRIER+WHERE+Month+%3D__MONTH_NUMBER__+AND+YEAR%3D__YEAR__&
varlist=DEPARTURES_SCHEDULED%2CDEPARTURES_PERFORMED%2CPAYLOAD%2CSEATS%2CPASSENGERS%2CFREIGHT%2CMAIL%2CDISTANCE%2CRAMP_TO_RAMP%2CAIR_TIME%2CUNIQUE_CARRIER%2CAIRLINE_ID%2CUNIQUE_CARRIER_NAME%2CUNIQUE_CARRIER_ENTITY%2CREGION%2CCARRIER%2CCARRIER_NAME%2CCARRIER_GROUP%2CCARRIER_GROUP_NEW%2CORIGIN%2CORIGIN_CITY_NAME%2CORIGIN_STATE_ABR%2CORIGIN_STATE_FIPS%2CORIGIN_STATE_NM%2CORIGIN_COUNTRY%2CORIGIN_COUNTRY_NAME%2CORIGIN_WAC%2CDEST%2CDEST_CITY_NAME%2CDEST_STATE_ABR%2CDEST_STATE_FIPS%2CDEST_STATE_NM%2CDEST_COUNTRY%2CDEST_COUNTRY_NAME%2CDEST_WAC%2CAIRCRAFT_GROUP%2CAIRCRAFT_TYPE%2CAIRCRAFT_CONFIG%2CYEAR%2CQUARTER%2CMONTH%2CDISTANCE_GROUP%2CCLASS%2CDATA_SOURCE&
grouplist=&
suml=&
sumRegion=&
filter1=title%3D&
filter2=title%3D&
geo=All%A0&
time=__MONTH_NAME__&
timename=Month&
GEOGRAPHY=All&
XYEAR=__YEAR__&
FREQUENCY=__MONTH_NUMBER__&
AllVars=All&
VarName=DEPARTURES_SCHEDULED&
VarDesc=DepScheduled&
VarType=Num&
VarName=DEPARTURES_PERFORMED&
VarDesc=DepPerformed&
VarType=Num&
VarName=PAYLOAD&
VarDesc=Payload&
VarType=Num&
VarName=SEATS&
VarDesc=Seats&
VarType=Num&
VarName=PASSENGERS&
VarDesc=Passengers&
VarType=Num&
VarName=FREIGHT&
VarDesc=Freight&
VarType=Num&
VarName=MAIL&
VarDesc=Mail&
VarType=Num&
VarName=DISTANCE&
VarDesc=Distance&
VarType=Num&
VarName=RAMP_TO_RAMP&
VarDesc=RampToRamp&
VarType=Num&
VarName=AIR_TIME&
VarDesc=AirTime&
VarType=Num&
VarName=UNIQUE_CARRIER&
VarDesc=UniqueCarrier&
VarType=Char&
VarName=AIRLINE_ID&
VarDesc=AirlineID&
VarType=Num&
VarName=UNIQUE_CARRIER_NAME&
VarDesc=UniqueCarrierName&
VarType=Char&
VarName=UNIQUE_CARRIER_ENTITY&
VarDesc=UniqCarrierEntity&
VarType=Char&
VarName=REGION&
VarDesc=CarrierRegion&
VarType=Char&
VarName=CARRIER&
VarDesc=Carrier&
VarType=Char&
VarName=CARRIER_NAME&
VarDesc=CarrierName&
VarType=Char&
VarName=CARRIER_GROUP&
VarDesc=CarrierGroup&
VarType=Num&
VarName=CARRIER_GROUP_NEW&
VarDesc=CarrierGroupNew&
VarType=Num&
VarName=ORIGIN&
VarDesc=Origin&
VarType=Char&
VarName=ORIGIN_CITY_NAME&
VarDesc=OriginCityName&
VarType=Char&
VarName=ORIGIN_STATE_ABR&
VarDesc=OriginState&
VarType=Char&
VarName=ORIGIN_STATE_FIPS&
VarDesc=OriginStateFips&
VarType=Char&
VarName=ORIGIN_STATE_NM&
VarDesc=OriginStateName&
VarType=Char&
VarName=ORIGIN_COUNTRY&
VarDesc=OriginCountry&
VarType=Char&
VarName=ORIGIN_COUNTRY_NAME&
VarDesc=OriginCountryName&
VarType=Char&
VarName=ORIGIN_WAC&
VarDesc=OriginWac&
VarType=Num&
VarName=DEST&
VarDesc=Dest&
VarType=Char&
VarName=DEST_CITY_NAME&
VarDesc=DestCityName&
VarType=Char&
VarName=DEST_STATE_ABR&
VarDesc=DestState&
VarType=Char&
VarName=DEST_STATE_FIPS&
VarDesc=DestStateFips&
VarType=Char&
VarName=DEST_STATE_NM&
VarDesc=DestStateName&
VarType=Char&
VarName=DEST_COUNTRY&
VarDesc=DestCountry&
VarType=Char&
VarName=DEST_COUNTRY_NAME&
VarDesc=DestCountryName&
VarType=Char&
VarName=DEST_WAC&
VarDesc=DestWac&
VarType=Num&
VarName=AIRCRAFT_GROUP&
VarDesc=AircraftGroup&
VarType=Num&
VarName=AIRCRAFT_TYPE&
VarDesc=AircraftType&
VarType=Char&
VarName=AIRCRAFT_CONFIG&
VarDesc=AircraftConfig&
VarType=Num&
VarName=YEAR&
VarDesc=Year&
VarType=Num&
VarName=QUARTER&
VarDesc=Quarter&
VarType=Num&
VarName=MONTH&
VarDesc=Month&
VarType=Num&
VarName=DISTANCE_GROUP&
VarDesc=DistanceGroup&
VarType=Num&
VarName=CLASS&
VarDesc=Class&
VarType=Char&
VarName=DATA_SOURCE&
VarDesc=DataSource&
VarType=Char
}.gsub /[\s]+/,''
def self.form_data_per_month
Timeframe.new(Date.parse('2009-01-01'), Date.today).first_days_of_months.inject({}) do |memo, day|
form_data = FORM_DATA.dup
form_data.gsub! '__YEAR__', day.year.to_s
form_data.gsub! '__MONTH_NUMBER__', day.month.to_s
form_data.gsub! '__MONTH_NAME__', day.strftime('%B')
memo[day] = form_data
memo
end
end
data_miner do
FlightSegment.form_data_per_month.each do |date, form_data|
import "T100 flight segment data for #{date.strftime('%B %Y')}",
:url => URL,
:form_data => form_data,
:compression => :zip,
:glob => '/*.csv',
:errata => { :url => "file://#{Earth::ERRATA_DIR}/flight_segment/bts_errata.csv", :responder => "FlightSegment::Guru" },
:select => proc { |record| record['DEPARTURES_PERFORMED'].to_i > 0 } do
key 'row_hash'
store 'origin_airport_iata_code', :field_name => 'ORIGIN'
store 'origin_country_iso_3166_code', :field_name => 'ORIGIN_COUNTRY'
store 'destination_airport_iata_code', :field_name => 'DEST'
store 'destination_country_iso_3166_code', :field_name => 'DEST_COUNTRY'
store 'airline_bts_code', :field_name => 'UNIQUE_CARRIER', :nullify => true
store 'aircraft_bts_code', :field_name => 'AIRCRAFT_TYPE'
store 'flights', :field_name => 'DEPARTURES_PERFORMED'
store 'passengers', :field_name => 'PASSENGERS'
store 'seats', :field_name => 'SEATS'
store 'payload_capacity', :field_name => 'PAYLOAD', :from_units => :pounds, :to_units => :kilograms
store 'freight', :field_name => 'FREIGHT', :from_units => :pounds, :to_units => :kilograms
store 'mail', :field_name => 'MAIL', :from_units => :pounds, :to_units => :kilograms
store 'distance', :field_name => 'DISTANCE', :from_units => :miles, :to_units => :kilometres
store 'month', :field_name => 'MONTH'
store 'year', :field_name => 'YEAR'
store 'source', :static => 'BTS T100'
end
end
process "Ensure Airline and BtsAircraft are populated" do
Airline.run_data_miner!
BtsAircraft.run_data_miner!
end
process "Look up airline name based on BTS code" do
connection.select_values("SELECT DISTINCT airline_bts_code FROM flight_segments WHERE airline_bts_code IS NOT NULL").each do |bts_code|
if airline = Airline.find_by_bts_code(bts_code)
where(:airline_bts_code => bts_code).update_all :airline_name => airline.name
end
end
end
process "Look up aircraft description based on BTS code" do
connection.select_values("SELECT DISTINCT aircraft_bts_code FROM flight_segments WHERE aircraft_bts_code IS NOT NULL").each do |bts_code|
if aircraft = BtsAircraft.find_by_bts_code(bts_code)
where(:aircraft_bts_code => bts_code).update_all :aircraft_description => aircraft.description.downcase
end
end
end
process :update_averages!
process "Data mine Aircraft because it's like a belongs-to association" do
Aircraft.run_data_miner!
end
end
end