/
forecasts.rb
676 lines (538 loc) · 23.9 KB
/
forecasts.rb
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require 'tzinfo'
module ForecastIo
module Forecasts
def ascii_rain_forecast(forecast)
(str, precip_type) = do_the_rain_chance_thing(forecast, ascii_chars, 'precipProbability')
max = get_max_by_data_key(forecast, 'minutely', 'precipProbability')
agg = get_aggregate_by_data_key(forecast, 'minutely', 'precipIntensity')
"1hr #{precip_type} probability #{(Time.now).strftime('%H:%M').to_s}|#{str}|#{(Time.now + 3600).strftime('%H:%M').to_s} max #{(max.to_f * 100).round(2)}%, #{get_accumulation agg} accumulation"
end
def ansi_rain_forecast(forecast)
(str, precip_type) = do_the_rain_chance_thing(forecast, ansi_chars, 'precipProbability') #, 'probability', get_rain_range_colors)
max = get_max_by_data_key(forecast, 'minutely', 'precipProbability')
agg = get_aggregate_by_data_key(forecast, 'minutely', 'precipIntensity')
"1hr #{precip_type} probability #{(Time.now).strftime('%H:%M').to_s}|#{str}|#{(Time.now + 3600).strftime('%H:%M').to_s} max #{(max.to_f * 100).round(2)}%, #{get_accumulation agg} accumulation"
end
def ansi_rain_intensity_forecast(forecast)
(str, precip_type) = do_the_rain_intensity_thing(forecast, ansi_chars, 'precipIntensity') #, 'probability', get_rain_range_colors)
agg = get_aggregate_by_data_key(forecast, 'minutely', 'precipIntensity')
"1hr #{precip_type} intensity #{(Time.now).strftime('%H:%M').to_s}|#{str}|#{(Time.now + 3600).strftime('%H:%M').to_s}, #{get_accumulation agg} accumulation"
end
def ansi_humidity_forecast(forecast)
do_the_humidity_thing(forecast, ansi_chars, 'humidity') #, 'probability', get_rain_range_colors)
end
def get_max_by_data_key(forecast, key, datum)
unless forecast[key].nil?
data_points = []
forecast[key]['data'].each do |data_point|
data_points.push data_point[datum]
end
data_points.max
end
end
def get_min_by_data_key(forecast, key, datum)
unless forecast[key].nil?
data_points = []
forecast[key]['data'].each do |data_point|
data_points.push data_point[datum]
end
data_points.min
end
end
def get_aggregate_by_data_key(forecast, key, datum)
unless forecast[key].nil?
sum = 0
forecast[key]['data'].each do |data_point|
Lita.logger.debug "Adding #{data_point[datum]} to #{sum}"
sum += data_point[datum].to_f
end
sum.round(3)
end
end
def do_the_rain_chance_thing(forecast, chars, key, use_color = config.colors, minute_limit = nil)
if forecast['minutely'].nil?
return 'No minute-by-minute data available.'
end
i_can_has_snow = false
data_points = []
data = forecast['minutely']['data']
data.each do |datum|
data_points.push datum[key]
if datum['precipType'] == 'snow'
i_can_has_snow = true
end
end
if minute_limit
data = condense_data(data, minute_limit)
end
str = get_dot_str(chars, data, 0, 1, key)
if i_can_has_snow
data.each_with_index do |datum, index|
if datum['precipType'] == 'snow'
str[index] = get_snowman config
end
end
end
if use_color
str = get_colored_string(data, key, str, get_rain_range_colors)
end
precip_type = i_can_has_snow ? 'snow' : 'rain'
return str, precip_type
end
def do_the_rain_intensity_thing(forecast, chars, key) #, type, range_colors = nil)
if forecast['minutely'].nil?
return 'No minute-by-minute data available.' # The "Middle of Nowhere" case.
end
i_can_has_snow = false
data_points = []
data = forecast['minutely']['data']
data.each do |datum|
data_points.push datum[key]
if datum['precipType'] == 'snow'
i_can_has_snow = true
end
end
# Fixed range graph- 0-0.11.
str = get_dot_str(chars, data, 0, 0.11, key)
if config.colors
str = get_colored_string(data, key, str, get_rain_intensity_range_colors)
end
precip_type = i_can_has_snow ? 'snow' : 'rain'
return str, precip_type
end
def do_the_humidity_thing(forecast, chars, key) #, type, range_colors = nil)
data_points = []
data = forecast['hourly']['data']
data.each do |datum|
data_points.push datum[key]
end
str = get_dot_str(chars, data, 0, 1, key)
if config.colors
str = get_colored_string(data, key, str, get_humidity_range_colors)
end
"#{get_humidity data_points.first}|#{str}|#{get_humidity data_points.last} range: #{get_humidity data_points.min}-#{get_humidity data_points.max}"
end
def ansi_temp_forecast(forecast, hours = 24)
str, temperature_data = do_the_temp_thing(forecast, 'temperature', ansi_chars, hours)
"#{hours} hr temps: #{get_temperature temperature_data.first.round(1)} |#{str}| #{get_temperature temperature_data.last.round(1)} Range: #{get_temperature temperature_data.min.round(1)} - #{get_temperature temperature_data.max.round(1)}"
end
def ansi_temp_apparent_forecast(forecast, hours = 24)
str, temperature_data = do_the_temp_thing(forecast, 'apparentTemperature', ansi_chars, hours)
"#{hours} hr apparent temps: #{get_temperature temperature_data.first.round(1)} |#{str}| #{get_temperature temperature_data.last.round(1)} Range: #{get_temperature temperature_data.min.round(1)} - #{get_temperature temperature_data.max.round(1)}"
end
def ansi_windchill_forecast(forecast, hours = 24)
str, temperature_data = do_the_windchill_temp_thing(forecast, ansi_chars, hours)
"#{hours} hr windchill temps: #{get_temperature temperature_data.first.round(1)} |#{str}| #{get_temperature temperature_data.last.round(1)} Range: #{get_temperature temperature_data.min.round(1)} - #{get_temperature temperature_data.max.round(1)}"
end
def ascii_temp_forecast(forecast, hours = 24)
str, temperature_data = do_the_temp_thing(forecast, 'temperature', ascii_chars, hours)
"#{hours} hr temps: #{get_temperature temperature_data.first.round(1)} |#{str}| #{get_temperature temperature_data.last.round(1)} Range: #{get_temperature temperature_data.min.round(1)} - #{get_temperature temperature_data.max.round(1)}"
end
def do_the_temp_thing(forecast, key, chars, hours)
temps = []
data = forecast['hourly']['data'].slice(0,hours - 1)
data.each_with_index do |datum, index|
temps.push datum[key]
break if index == hours - 1 # We only want (hours) 24hrs of data.
end
differential = temps.max - temps.min
# Hmm. There's a better way.
dot_str = get_dot_str(chars, data, temps.min, differential, key)
if config.colors
dot_str = get_colored_string(data, key, dot_str, get_temp_range_colors)
end
return dot_str, temps
end
def do_the_windchill_temp_thing(forecast, chars, hours)
temps = []
wind = []
data = forecast['hourly']['data'].slice(0,hours - 1)
key = 'temperature'
wind_key = 'windSpeed'
data.each_with_index do |datum, index|
temps.push calculate_windchill(datum[key], datum[wind_key])
break if index == hours - 1 # We only want (hours) 24hrs of data.
end
differential = temps.max - temps.min
# Hmm. There's a better way.
dot_str = get_dot_str(chars, data, temps.min, differential, key)
if config.colors
dot_str = get_colored_string(data, key, dot_str, get_temp_range_colors)
end
return dot_str, temps
end
# Temp must be F.
def calculate_windchill(temp_c, wind)
temp_f = (temp_c * 9/5) + 32
35.74 + (0.6215 * temp_f) - (35.75 * wind ** 0.16) + (0.4275 * temp_f * wind ** 0.16)
end
def ansi_wind_direction_forecast(forecast)
str, wind_speed, wind_gust = do_the_wind_direction_thing(forecast, ansi_wind_arrows)
"48h wind direction #{get_speed wind_speed.first}|#{str}|#{get_speed wind_speed.last} Range: #{get_speed(wind_speed.min)} - #{get_speed(wind_speed.max)}, gusting to #{get_speed wind_gust.max}"
end
def ascii_wind_direction_forecast(forecast)
str, wind_speed, wind_gust = do_the_wind_direction_thing(forecast, ascii_wind_arrows)
"48h wind direction #{get_speed wind_speed.first}|#{str}|#{get_speed wind_speed.last} Range: #{get_speed(wind_speed.min)} - #{get_speed(wind_speed.max)}, gusting to #{get_speed wind_gust.max}"
end
def do_the_wind_direction_thing(forecast, wind_arrows, hours = 48)
key = 'windBearing'
data = forecast['hourly']['data'].slice(0,hours - 1)
str = ''
data_points = []
gust_data = []
data.each_with_index do |datum, index|
wind_arrow_index = get_cardinal_direction_from_bearing(datum[key])
str << wind_arrows[wind_arrow_index].to_s
data_points.push datum['windSpeed']
gust_data.push datum['windGust']
break if index == hours - 1 # We only want (hours) of data.
end
if config.colors
str = get_colored_string(data, 'windSpeed', str, get_wind_range_colors)
end
return str, data_points, gust_data
end
def do_the_sun_thing(forecast, chars)
key = 'cloudCover'
data_points = []
data = forecast['hourly']['data']
sun_mod_data = []
data.each do |datum|
data_points.push (1 - datum[key]).to_f # It's a cloud cover percentage, so let's inverse it to give us sun cover.
sun_mod_data << {key => (1 - datum[key]).to_f} # Mod the source data for the get_dot_str call below.
end
differential = data_points.max - data_points.min
str = get_dot_str(chars, sun_mod_data, data_points.min, differential, key)
if config.colors
str = get_colored_string(sun_mod_data, key, str, get_sun_range_colors)
end
max = 1 - get_min_by_data_key(forecast, 'hourly', key)
"48hr sun forecast |#{str}| max #{(max * 100).to_i}%"
end
def do_the_daily_sun_thing(forecast, chars)
key = 'cloudCover'
data_points = []
data = forecast['daily']['data']
data.each do |datum|
data_points.push (1 - datum[key]).to_f # It's a cloud cover percentage, so let's inverse it to give us sun cover.
datum[key] = (1 - datum[key]).to_f # Mod the source data for the get_dot_str call below.
end
differential = data_points.max - data_points.min
str = get_dot_str(chars, data, data_points.min, differential, key)
if config.colors
str = get_colored_string(data, key, str, get_sun_range_colors)
end
max = 1 - get_min_by_data_key(forecast, 'daily', key)
"8 day sun forecast |#{str}| max #{(max * 100).to_i}%"
end
def do_the_cloud_thing(forecast, chars)
# O ◎ ]
data = forecast['hourly']['data'].slice(0,23)
max = 0
min = 1
data.each do |datum|
if datum['cloudCover'] > max
max = datum['cloudCover']
end
if datum['cloudCover'] < min
min = datum['cloudCover']
end
end
str = get_dot_str(chars, data, 0, 1, 'cloudCover')
"24h cloud cover |#{str}| range #{min * 100}% - #{max * 100}%"
end
def do_the_fog_thing(forecast, chars)
key = 'visibility'
data_points = []
data = forecast['hourly']['data'].slice(0,23)
max = 0
min = 10
data.each do |datum|
max = datum[key] if datum[key] > max
min = datum[key] if datum[key] < min
data_points.push (10 - datum[key]).to_f # It's a visibility number, so let's inverse it to give us fog.
datum[key] = (10 - datum[key]).to_f # Mod the source data for the get_dot_str call below.
end
differential = data_points.max - data_points.min
str = get_dot_str(chars, data, 0, 10, key)
"24h fog report |#{str}| visibility #{min}mi - #{max}mi"
end
def do_the_sunrise_thing(forecast)
t = Time.at(fix_time(forecast['daily']['data'][0]['sunriseTime'], forecast['offset']))
t.strftime("%H:%M:%S")
end
def do_the_sunset_thing(forecast)
t = Time.at(fix_time(forecast['daily']['data'][0]['sunsetTime'], forecast['offset']))
t.strftime("%H:%M:%S")
end
def conditions(forecast)
temp_str, temps = do_the_temp_thing(forecast, 'temperature', ansi_chars, 8)
wind_str, winds = do_the_wind_direction_thing(forecast, ansi_wind_arrows, 8)
rain_str, rains = do_the_rain_chance_thing(forecast, ansi_chars, 'precipProbability', config.colors, 15)
sun_chance = ((1 - forecast['daily']['data'][0]['cloudCover']) * 100).round
"#{get_temperature temps.first.round(2)} |#{temp_str}| #{get_temperature temps.last.round(2)} "\
"/ #{get_speed(winds.first)} |#{wind_str}| #{get_speed(winds.last)} "\
"/ #{sun_chance}% chance of sun / 60m precip |#{rain_str}|"
end
def do_the_seven_day_thing(forecast)
mintemps = []
maxtemps = []
data = forecast['daily']['data']
data.each do |day|
mintemps.push day['temperatureMin']
maxtemps.push day['temperatureMax']
end
differential = maxtemps.max - maxtemps.min
max_str = get_dot_str(ansi_chars, data, maxtemps.min, differential, 'temperatureMax')
differential = mintemps.max - mintemps.min
min_str = get_dot_str(ansi_chars, data, mintemps.min, differential, 'temperatureMin')
if config.colors
max_str = get_colored_string(data, 'temperatureMax', max_str, get_temp_range_colors)
min_str = get_colored_string(data, 'temperatureMin', min_str, get_temp_range_colors)
end
"7day high/low temps #{get_temperature maxtemps.first.to_f.round(1)} |#{max_str}| #{get_temperature maxtemps.last.to_f.round(1)} "\
"/ #{get_temperature mintemps.first.to_f.round(1)} |#{min_str}| #{get_temperature mintemps.last.to_f.round(1)} "\
"Range: #{get_temperature mintemps.min} - #{get_temperature maxtemps.max}"
end
def do_the_seven_day_rain_thing(forecast)
precip_type = 'rain'
rains = []
data = forecast['daily']['data']
data.each do |day|
if day['precipType'] == 'snow'
precip_type = 'snow'
end
rains.push day['precipProbability']
end
str = get_dot_str(ansi_chars, data, 0, 1, 'precipProbability')
if config.colors
str = get_colored_string(data, 'precipProbability', str, get_rain_range_colors)
end
max = get_max_by_data_key(forecast, 'daily', 'precipProbability')
"7day #{precip_type}s |#{str}| max #{max * 100}%"
end
def do_the_daily_rain_thing(forecast)
precip_type = 'rain'
rains = []
data = forecast['hourly']['data']
data.each do |day|
if day['precipType'] == 'snow'
precip_type = 'snow'
end
rains.push day['precipProbability']
end
str = get_dot_str(ansi_chars, data, 0, 1, 'precipProbability')
if 'snow' == precip_type
data.each_with_index do |datum, index|
if datum['precipType'] == 'snow'
str[index] = get_snowman config
end
end
end
if config.colors
str = get_colored_string(data, 'precipProbability', str, get_rain_range_colors)
end
max = get_max_by_data_key(forecast, 'hourly', 'precipProbability')
agg = get_aggregate_by_data_key(forecast, 'hourly', 'precipIntensity')
"48 hr #{precip_type}s |#{str}| max #{(max.to_f * 100).round}%, #{get_accumulation agg} accumulation"
end
def do_the_daily_wind_thing(forecast)
winds = []
data = forecast['daily']['data']
data.each do |day|
winds.push day['windSpeed']
end
str = get_dot_str(ansi_chars, data, 0, winds.max, 'windSpeed')
if config.colors
str = get_colored_string(data, 'windSpeed', str, get_wind_range_colors)
end
"7day winds #{get_speed winds.first}|#{str}|#{get_speed winds.last} range #{get_speed winds.min}-#{get_speed winds.max}"
end
def do_the_daily_humidity_thing(forecast)
humidities = []
data = forecast['daily']['data']
data.each do |day|
humidities.push day['humidity']
end
str = get_dot_str(ansi_chars, data, 0, 1, 'humidity')
if config.colors
str = get_colored_string(data, 'humidity', str, get_wind_range_colors)
end
"7day humidity #{get_humidity humidities.first}|#{str}|#{get_humidity humidities.last} "\
"range #{get_humidity humidities.min}-#{get_humidity humidities.max}"
end
def do_the_ozone_thing(forecast)
# O ◎ ]
data = forecast['hourly']['data']
str = get_dot_str(ozone_chars, data, 280, 350-280, 'ozone')
"ozones #{data.first['ozone']} |#{str}| #{data.last['ozone']} [24h forecast]"
end
def do_the_pressure_thing(forecast)
data = forecast['hourly']['data']
key = 'pressure'
boiled_data = []
data.each do |d|
boiled_data.push d[key]
end
str = get_dot_str(ansi_chars, data, boiled_data.min, boiled_data.max - boiled_data.min, key)
"pressure #{data.first[key]} hPa |#{str}| #{data.last[key]} hPa range: #{boiled_data.min}-#{boiled_data.max} hPa [48h forecast]"
end
def do_the_daily_pressure_thing(forecast)
# O ◎ ]
data = forecast['daily']['data']
key = 'pressure'
boiled_data = []
data.each do |d|
boiled_data.push d[key]
end
str = get_dot_str(ansi_chars, data, boiled_data.min, boiled_data.max - boiled_data.min, key)
"pressure #{data.first[key]} hPa |#{str}| #{data.last[key]} hPa range: #{boiled_data.min}-#{boiled_data.max} hPa [8 day forecast]"
end
def get_alerts(forecast)
str = ''
forecast['alerts'].each do |alert|
alert['description'].match /\.\.\.(\w+)\.\.\./
str += "#{alert['uri']}\n"
end
str
end
def do_the_nearest_storm_thing(forecast)
return forecast['currently']['nearestStormDistance'], forecast['currently']['nearestStormBearing']
end
def do_the_today_thing(forecast, yesterday)
Lita.logger.info "Basing today on today - yesterday: #{yesterday['daily']['data'][0]['temperatureMax']} - #{forecast['daily']['data'][0]['temperatureMax']}"
temp_diff = yesterday['daily']['data'][0]['temperatureMax'] - forecast['daily']['data'][0]['temperatureMax']
get_daily_comparison_text(temp_diff, forecast['daily']['data'][0]['temperatureMax'])
end
def do_the_tomorrow_thing(forecast)
Lita.logger.info "Basing tomorrow on today - tomorrow: #{forecast['daily']['data'][0]['temperatureMax']} - #{forecast['daily']['data'][1]['temperatureMax']}"
temp_diff = forecast['daily']['data'][0]['temperatureMax'] - forecast['daily']['data'][1]['temperatureMax']
get_daily_comparison_text(temp_diff, forecast['daily']['data'][0]['temperatureMax'])
end
# If the temperature difference is positive,
def get_daily_comparison_text(temp_diff, high)
if temp_diff <= 1 and temp_diff >= -1
'about the same as'
elsif temp_diff > 1 and temp_diff <= 5
'cooler than'
elsif temp_diff > 5
(high > 70)? 'much cooler than' : 'much colder than'
elsif temp_diff < -1 and temp_diff >= -5
'warmer than'
elsif temp_diff < -5
(high < 70)? 'much warmer than' : 'much hotter than'
end
end
# Check for the time of day when it will hit 72F.
def do_the_windows_thing(forecast)
time_to_close_the_windows = nil
time_to_open_the_windows = nil
window_close_temp = 0
high_temp = 0
last_temp = 0
forecast['hourly']['data'].each_with_index do |hour, index|
if hour['temperature'] > high_temp
high_temp = hour['temperature'].to_i
end
if !time_to_close_the_windows and hour['temperature'].to_i >= 71
if index == 0
time_to_close_the_windows = 'now'
else
time_to_close_the_windows = hour['time']
end
window_close_temp = hour['temperature']
end
if !time_to_open_the_windows and time_to_close_the_windows and hour['temperature'] < last_temp and hour['temperature'].to_i <= 75
time_to_open_the_windows = hour['time']
end
last_temp = hour['temperature']
break if index > 18
end
# Return some meta here and let the caller decide the text.
if time_to_close_the_windows.nil?
"Leave 'em open, no excess heat today(#{get_temperature high_temp})."
if high_temp <= 68 and high_temp > 62
"Open them up mid-day, high temp #{get_temperature high_temp}."
elsif high_temp <= 62
"Best leave 'em shut, high temp #{get_temperature high_temp}."
end
else
# Todo: base timezone on requested location.
timezone = TZInfo::Timezone.get('America/Los_Angeles')
if time_to_close_the_windows == 'now'
output = "Close the windows now! It is #{get_temperature window_close_temp}. "
else
time_at = Time.at(time_to_close_the_windows).to_datetime
local_time = timezone.utc_to_local(time_at)
output = "Close the windows at #{local_time.strftime('%k:%M')}, it will be #{get_temperature window_close_temp}. "
end
if time_to_open_the_windows
open_time = timezone.utc_to_local(Time.at(time_to_open_the_windows).to_datetime)
output += "Open them back up at #{open_time.strftime('%k:%M')}. "
end
output += "The high today will be #{get_temperature high_temp}."
end
end
def do_the_windows_data_thing(forecast)
time_to_close_the_windows = nil
time_to_open_the_windows = nil
window_close_temp = 0
high_temp = 0
last_temp = 0
forecast['hourly']['data'].each_with_index do |hour, index|
if hour['temperature'] > high_temp
high_temp = hour['temperature'].to_i
end
if !time_to_close_the_windows and hour['temperature'].to_i >= 71
if index == 0
time_to_close_the_windows = 'now'
else
time_to_close_the_windows = hour['time']
end
window_close_temp = hour['temperature']
end
if !time_to_open_the_windows and time_to_close_the_windows and hour['temperature'] < last_temp and hour['temperature'].to_i <= 75
time_to_open_the_windows = hour['time']
end
last_temp = hour['temperature']
break if index > 18
end
# Return some meta here and let the caller decide the text.
if time_to_close_the_windows.nil?
"Leave 'em open, no excess heat today(#{get_temperature high_temp})."
else
# Todo: base timezone on requested location.
timezone = TZInfo::Timezone.get('America/Los_Angeles')
if time_to_close_the_windows == 'now'
output = "Close the windows now! It is #{get_temperature window_close_temp}. "
else
time_at = Time.at(time_to_close_the_windows).to_datetime
local_time = timezone.utc_to_local(time_at)
output = "Close the windows at #{local_time.strftime('%k:%M')}, it will be #{get_temperature window_close_temp}. "
end
if time_to_open_the_windows
open_time = timezone.utc_to_local(Time.at(time_to_open_the_windows).to_datetime)
output += "Open them back up at #{open_time.strftime('%k:%M')}. "
end
output += "The high today will be #{get_temperature high_temp}."
datas = { 'timeToClose': local_time.strftime('%k:%M'),
'timeToOpen': open_time.strftime('%k:%M'),
'tempMax': high_temp,
'temp': window_close_temp
}
end
end
def do_the_uvindex_thing(forecast)
uvs = []
forecast['hourly']['data'].each do |hour|
uvs.push hour['uvIndex']
end
data = forecast['hourly']['data']
str = get_dot_str(ansi_chars, data, uvs.min, uvs.max - uvs.min, key = 'uvIndex')
if config.colors
str = get_colored_string(data, 'uvIndex', str, get_uvindex_colors)
end
"#{uvs.first} |#{str}| #{uvs.last} max: #{uvs.max}"
end
end
end