Method: WeatherPup::CLI#fetch_previous

Defined in:

lib/weatherpup/cli.rb

#fetch_previous ⇒ Object

# File 'lib/weatherpup/cli.rb', line 222

def fetch_previous
   #Clear the screen to make it look nicer. 
   system "clear"

   #first check to see if there have been any previous checks -- if the array is blank, tell the user that there isn't anything to show.  Otherwise, print out a list of each WeatherConditions instance with details for the user pick from. 
   if WeatherPup::WeatherConditions.all == []
      system "clear"
      puts "\nThere are no previous fetches to display!".colorize(:cyan)
      self.return_to_main_menu_prompt
      system "clear"
   else
      #puts a blank line to give some headroom when displaying
      puts "\n"
      
      #ask the WeatherConditions class to print out a list of all its instances
      WeatherPup::WeatherConditions.list_all_previous

      #set my valid input range between 1 instance and however many instances of WeatherConditions there are in WeatherConditions @@all array.
      valid_input_range = 1..WeatherPup::WeatherConditions.all.length
      
      #Initialize my trigger to exit my until loop
      valid_input = nil
      
      #Until the user gives me a valid input, keep asking for a vaild input & give them the option to go back to the main menu.  If they do give me valid input, then go display that historic WeatherConditions object.
      until valid_input
         puts "            \\nPlease type in the \#{\"number\".colorize(:cyan)} of the previous fetch you would like to view\n            or type \#{\"back\".colorize(:red)} to return to the main menu.\n         USER_PROMPT\n         \n         #get the input fro mthe user\n         user_selection = gets.chomp.downcase\n\n         if user_selection == \"back\"\n            system \"clear\"\n            break\n         end\n\n         #convert my user input to an integer so that I can check to see if its in the valid range. \n         user_integer = user_selection.to_i\n         valid_input = valid_input_range.member?(user_integer)\n\n         #If it is in the valid range, go and print out the selected WeatherConditions objects info again.  Otherwise, keep asking for valid input and tell them how to go back. \n         if valid_input \n            selected_wc_obj = WeatherPup::WeatherConditions.all[user_integer - 1]\n            type = selected_wc_obj.current_conditions_means\n\n            case type \n            when \"Zip Code\"\n               system \"clear\"\n               selected_wc_obj.print_zip_conditions\n               self.return_to_main_menu_prompt\n               system \"clear\"\n               break\n            when \"GPS Coordinates\"\n               system \"clear\"\n               selected_wc_obj.print_gps_conditions\n               self.return_to_main_menu_prompt\n               system \"clear\"\n               break\n            end\n         else\n            puts \"\\n\#{\"Invalid selection.\".colorize(:light_red)} Please try again or type \#{\"back\".colorize(:red)} to return to the main menu.\"\n         end\n      end\n   end\nend\n"