convert-aqi.coffee

fs = require 'fs'
path = require 'path'

dataPath = './data'
fullPath = (name) -> path.join dataPath, name


evalFile = (name) -> eval fs.readFileSync(fullPath name).toString 'utf8'


files = fs.readdirSync dataPath
merged = []
merged = merged.concat.apply merged, files.map evalFile

fs.writeFileSync 'output.json', JSON.stringify merged

convert-congestion.coffee

fs = require 'fs'
path = require 'path'

dataPath = './data'
fullPath = (name) -> path.join dataPath, name


evalFile = (name) -> JSON.parse fs.readFileSync(fullPath name).toString 'utf8'


files = fs.readdirSync dataPath
merged = files.map evalFile

fs.writeFileSync 'output.json', JSON.stringify merged

convert-weather.coffee

fs = require 'fs'
path = require 'path'

dataPath = './data'
fullPath = (name) -> path.join dataPath, name


gz_obtDatas = null  # should catch by the closure

evalFile = (name) ->
  console.log name
  try
    eval fs.readFileSync(fullPath name).toString 'utf8'
    gz_obtDatas
  catch e
    console.log e


groupBy = (coll, f) ->
  groups = {}
  coll.forEach (c) ->
    group = f(c)
    groups[group] = [] unless groups[group]?
    groups[group].push c
  groups


files = fs.readdirSync dataPath
byMonths = groupBy files, (name) -> (new Date(name)).getMonth() + 1
byMonthsAndWeeks = {}
for month, files of byMonths
  byMonthsAndWeeks[month] = groupBy files, (name) ->
    (Math.round (new Date(name)).getDate() / 7) + 1


for month, byWeeks of byMonthsAndWeeks
  for week, files of byWeeks
    merged = (files.map evalFile).filter (x) -> x?
    fs.writeFileSync "#{month}-#{week}.json", JSON.stringify merged