Class: WeatherUsa::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/weather_usa/cli.rb

Constant Summary collapse

BASE_PATH = 
"https://api.weather.gov/"

Instance Method Summary collapse

Instance Method Details

#ask_for_new_location ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 28

def ask_for_new_location 
  puts     
  puts "  Please enter a geographic location in the United States.".blue
  puts "      (This can be a zip code or a city and state)".blue
  puts
  print "    >>  ".green  
end

#call ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 5

def call
  system "clear"
  self.greeting
  self.new_location    
end

#create_weather_objects_from_array ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 141

def create_weather_objects_from_array    
  @weather_array.each do |period|
    Weather.new(period)
  end 
end

#current_conditions ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 147

def current_conditions
  Weather.all[0]
end

#display_alert ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 88

def display_alert
  if current_conditions.current[:alert_headline]
    puts "    Current alert:  ".red + "#{current_conditions.current[:alert_headline]}.".yellow
    puts
    puts "    Do you want to see a detailed description of the alert? (y/n)".blue
    puts
    print "    >>  ".green
    input = gets.strip.downcase
    puts
    if input == "y"
      system "clear"
      current_conditions.current[:alert_description].split("\n").each do |line|
        puts "    #{line}".yellow
      end
      puts
    end
  end    
end

#display_current_conditions ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 76

def display_current_conditions
  right_now = self.current_conditions
  right_now.current[:wind_speed] != nil ? wind_speed = meters_to_miles(right_now.current[:wind_speed]).round(0) : wind_speed = "N/A"
  right_now.current[:temperature] != nil ? temperature = to_fahr(right_now.current[:temperature]) : temperature = "N/A"
  puts "    Weather forecast for ".blue + "#{@location.name}".green + ":".blue
  puts "    Current observations at: ".blue + "#{right_now.current[:station_name]}".green + ",".blue
  puts "        the current temperature is ".blue + "#{temperature}".green + ",".blue
  puts "        the current wind speed is ".blue + "#{wind_speed} mph".green + " from the ".blue + 
                "#{wind_direction_from_degrees(right_now.current[:wind_direction])}".green + ".".blue
  puts "        Expected conditions: ".blue + "#{right_now.short_forecast}.".green
end

#display_detailed_forecast ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 107

def display_detailed_forecast    
  puts
  puts
  puts "    Weather forecast for ".blue + "#{@location.name}".green + ":".blue
  current_conditions.detailed_forecast.split(".").each do |line|
    puts "    #{line}.".green
  end    
end

#display_extended_forecast ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 116

def display_extended_forecast
  Weather.all.each_with_index do |period, index|
    period.is_daytime ? am_pm = "High" : am_pm = "Low"
    if index < 8
      puts "    #{period.name}".green
      puts "        #{period.short_forecast}".green
      puts "        #{am_pm} temperature: ".blue + "#{period.temperature}".green
    end   
  end
end

#get_location ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 133

def get_location
  @location = Geocode.get_geocode(@input)
end

#get_weather_information ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 127

def get_weather_information
  self.get_location
  self.scrape_weather_site
  self.create_weather_objects_from_array        
end

#goodbye ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 36

def goodbye
  puts
  puts
  puts "  *** Thank you for using Weather USA. ***".blue
  puts
  puts
  exit
end

#greeting ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 22

def greeting
  puts
  puts 
  puts "        *** Welcome to Weather USA! ***".blue    
end

#meters_to_miles(number) ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 155

def meters_to_miles(number)
  (number * 2.23694).round(0)
end

#new_location ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 11

def new_location
  Weather.clear_all
  self.ask_for_new_location    
  @input = gets.strip
  self.get_weather_information
  system "clear"
  self.display_current_conditions
  self.display_alert
  self.options    
end

#options ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 45

def options
  puts
  puts "    What would you like to do? (Please select an option.)".blue
  puts
  puts "        1) See a detailed forecast for the current location.".blue
  puts
  puts "        2) See an extended forecast.".blue
  puts
  puts "        3) Choose a different location.".blue
  puts
  puts "        4) Exit the program.".blue
  puts
  print "    >>  ".green
  option = gets.strip.to_s
  system "clear"
  case option
  when "1"
    self.display_detailed_forecast
    self.options
  when "2"
    self.display_extended_forecast
    self.options
  when "3"      
    self.new_location
  when "4"
    self.goodbye
  else
    self.options
  end
end

#scrape_weather_site ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 137

def scrape_weather_site
  @weather_array = Scraper.scrape_weather_dot_gov(BASE_PATH, @location)
end

#to_fahr(number) ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 151

def to_fahr(number)
  ((number * 9) / 5 + 32).round(0) 
end

#wind_direction_from_degrees(degrees) ⇒ Object 



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# File 'lib/weather_usa/cli.rb', line 159

def wind_direction_from_degrees(degrees)
  case degrees    
  when 0..22.5
    "N"
  when 22.6..67.5
    "NE"
  when 67.6..112.5
    "E"
  when 112.6..157.5
    "SE"
  when 157.6..202.5
    "S"
  when 202.6..247.5
    "SW"
  when 247.6..292.5
    "W"
  when 292.6..337.5
    "NW"
  when 337.6..360
    "N"
  else
    "N/A"
  end
end