Class: Journal::Weather

Inherits:
Object
  • Object
show all
Defined in:
lib/journal-cli/weather.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(api, zip, temp_in) ⇒ Weather

Initialize the weather object, contacting API and parsing out conditions and forecast

Raises:

  • (StandardError) 


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# File 'lib/journal-cli/weather.rb', line 14

def initialize(api, zip, temp_in)
  Journal.date.localtime
  res = if Journal.date.strftime("%Y-%m-%d") == Time.now.strftime("%Y-%m-%d")
    `curl -SsL 'http://api.weatherapi.com/v1/forecast.json?key=#{api}&q=#{zip}&aqi=no'`
  else
    `curl -SsL 'http://api.weatherapi.com/v1/history.json?key=#{api}&q=#{zip}&aqi=no&dt=#{Journal.date.strftime("%Y-%m-%d")}'`
  end

  data = JSON.parse(res)

  raise StandardError, "invalid JSON response" if data.nil?

  raise StandardError, "missing forecast" unless data["forecast"]

  temp_key = /^c/.match?(temp_in) ? "temp_c" : "temp_f"

  if Journal.date.strftime("%Y-%m-%d") == Time.now.strftime("%Y-%m-%d")
    raise StandardError, "missing conditions" unless data["current"]

    curr_temp = data["current"][temp_key]
    curr_condition = data["current"]["condition"]["text"]
  else
    time = Journal.date.strftime("%Y-%m-%d %H:00")
    hour = data["forecast"]["forecastday"][0]["hour"].find { |h| h["time"].to_s =~ /#{time}/ }
    curr_temp = hour[temp_key]
    curr_condition = hour["condition"]["text"]
  end

  forecast = data["forecast"]["forecastday"][0]

  moon_phase = forecast["astro"]["moon_phase"]

  day = forecast["date"]
  high = /^c/.match?(temp_in) ? forecast["day"]["maxtemp_c"] : forecast["day"]["maxtemp_f"]
  low = /^c/.match?(temp_in) ? forecast["day"]["mintemp_c"] : forecast["day"]["mintemp_f"]
  condition = forecast["day"]["condition"]["text"]

  hours = forecast["hour"]
  temps = [
    { temp: hours[8][temp_key], condition: hours[8]["condition"]["text"] },
    { temp: hours[10][temp_key], condition: hours[10]["condition"]["text"] },
    { temp: hours[12][temp_key], condition: hours[12]["condition"]["text"] },
    { temp: hours[14][temp_key], condition: hours[14]["condition"]["text"] },
    { temp: hours[16][temp_key], condition: hours[16]["condition"]["text"] },
    { temp: hours[18][temp_key], condition: hours[18]["condition"]["text"] },
    { temp: hours[19][temp_key], condition: hours[20]["condition"]["text"] }
  ]

  @data = {
    day: day,
    high: high,
    low: low,
    temp: curr_temp,
    condition: condition,
    current_condition: curr_condition,
    temps: temps,
    moon_phase: moon_phase
  }
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/journal-cli/weather.rb', line 5

def data
  @data
end

Instance Method Details

#current ⇒ String

Get current conditon



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# File 'lib/journal-cli/weather.rb', line 103

def current
  "#{@data[:temp]} and #{@data[:current_condition]}"
end

#forecast ⇒ String

Get daily forecast



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# File 'lib/journal-cli/weather.rb', line 113

def forecast
  "#{@data[:condition]} #{@data[:high]}/#{@data[:low]}"
end

#moon ⇒ String

Get moon phase



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# File 'lib/journal-cli/weather.rb', line 93

def moon
  @data[:moon_phase]
end

#to_data ⇒ Hash

Convert weather object to hash



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# File 'lib/journal-cli/weather.rb', line 79

def to_data
  {
    high: @data[:high],
    low: @data[:low],
    condition: @data[:current_condition],
    moon_phase: @data[:moon_phase]
  }
end

#to_markdown ⇒ String

Markdown representation of data, including hourly forecast and conditions



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# File 'lib/journal-cli/weather.rb', line 134

def to_markdown
  output = []

  output << "Forecast for #{@data[:day]}: #{forecast}  "
  output << "Currently: #{current}  "
  output << "Moon Phase: #{moon}  "
  output << ""

  # Hours
  hours_text = %w[8am 10am 12pm 2pm 4pm 6pm 8pm]
  step_out = ["|"]
  @data[:temps].each_with_index do |_h, i|
    width = @data[:temps][i][:condition].length + 1
    step_out << format("%#{width}s |", hours_text[i])
  end

  output << step_out.join("")

  # table separator
  step_out = ["|"]
  @data[:temps].each do |temp|
    width = temp[:condition].length + 1
    step_out << "#{"-" * width}-|"
  end

  output << step_out.join("")

  # Conditions
  step_out = ["|"]
  @data[:temps].each do |temp|
    step_out << format(" %s |", temp[:condition])
  end

  output << step_out.join("")

  # Temps
  step_out = ["|"]
  @data[:temps].each do |temp|
    width = temp[:condition].length + 1
    step_out << format("%#{width}s |", temp[:temp])
  end

  output << step_out.join("")

  output.join("\n")
end

#to_s ⇒ String

Weather condition and forecast



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# File 'lib/journal-cli/weather.rb', line 123

def to_s
  "#{@data[:temp].round} and #{@data[:current_condition]} (#{@data[:high].round}/#{@data[:low].round})"
end