Class: CountriesCli::CLI

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

Overview

CLI Controller

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/countries_cli/cli.rb', line 7

def initialize()
   # Get all countries from API in JSON format
    page = open("https://restcountries.eu/rest/v2/all")
    countries = JSON.parse(page.read)
    # Parse JSON to objects
    countries.each do |country|
        CountriesCli::COUNTRY.new(country)
    end 
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/countries_cli/cli.rb', line 17

def call
    puts "Information about countries around the world!"
    display_options
    user_input = gets.chomp.to_i
    while(user_input != 12)
        case user_input
        when 1
            list_all_country_names
        when 2
            search_by_name
        when 3
            search_by_suffix
        when 4
            search_by_currency_name
        when 5
            search_by_currency_symbol
        when 6
            search_by_language
        when 7
            search_by_certain_population
        when 8
            list_all_countries_sorted_by_population
        when 9
            search_by_capital
        when 10
            search_by_region
        when 11
            search_by_subregion
        when 12
        else
            puts "Option does not exist. Please enter a correct option."
        end 
        display_options
        user_input = gets.chomp.to_i
    end
    goodbye
end

#display_options ⇒ Object 



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# File 'lib/countries_cli/cli.rb', line 55

def display_options 
    puts "Enter an option (1-12): "
    puts "1. Display all country names"
    puts "2. Search country by name"
    puts "3. Search country by suffix"
    puts "4. Search countries with given currency name"
    puts "5. Search countries with given currency symbol"
    puts "6. Search countries with given language"
    puts "7. Search countries with certain population"
    puts "8. Display all countries sorted by population(ascending or descending)"
    puts "9. Search by capital"
    puts "10. Search by region"
    puts "11. Search by subregion"
    puts "12. Exit"
end

#goodbye ⇒ Object 



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# File 'lib/countries_cli/cli.rb', line 224

def goodbye
    puts "Exited the gem. Have a nice day! =)"
end

#list_all_countries_sorted_by_population ⇒ Object 



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# File 'lib/countries_cli/cli.rb', line 163

def list_all_countries_sorted_by_population
    puts "Ascending(a) or descending(d)?"
    input = gets.chomp
    if input == "d" 
        countries_sorted = CountriesCli::COUNTRY.all.sort{|country1, country2| country2.population <=> country1.population}
        countries_sorted.each do |country|
            country.info
            puts "\n"
        end 
    elsif input == "a" 
        countries_sorted = CountriesCli::COUNTRY.all.sort{|country1, country2| country1.population <=> country2.population}
        countries_sorted.each do |country|
            country.info
            puts "\n"
        end 
    else
        puts "Did not understand command. Please enter a or d."
        list_all_countries_sorted_by_population
    end
end

#list_all_country_names ⇒ Object 



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# File 'lib/countries_cli/cli.rb', line 71

def list_all_country_names
    CountriesCli::COUNTRY.all_country_names
end

#search_by_capital ⇒ Object 



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# File 'lib/countries_cli/cli.rb', line 184

def search_by_capital
    puts "Please enter the capital: "
    input = gets.chomp
    country = CountriesCli::COUNTRY.search_by_capital(input)
    if country
        country.info
        puts "\n"
    else 
        puts "Invalid capital. Please enter a valid capital."
    end
end

#search_by_certain_population ⇒ Object 



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

def search_by_certain_population
    puts "Greater(g) than or lower(l) than?"
    input = gets.chomp
    
    if input.downcase == "l" || input.downcase == "lower" || input.downcase == "g" || input.downcase == "greater" || input.downcase == "h" || input.downcase == "higher"
        puts "Enter population (ex: 10000): "
        population = gets.chomp.to_i
        countries = CountriesCli::COUNTRY.search_all_with_population(input, population)
        if countries.count > 0
            countries.each do |country|
                country.info
                puts "\n"
            end 
        else 
            puts "No countries with the specified population were found."
        end
    else
        puts "Wrong input. Please try again.\n"
        search_by_certain_population
    end 
end

#search_by_currency_name ⇒ Object 



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# File 'lib/countries_cli/cli.rb', line 113

def search_by_currency_name
    puts "Please enter the currency name: "
    input = gets.chomp
    countries = CountriesCli::COUNTRY.search_all_with_currency_name(input)
    if countries.count > 0
        countries.each do |country|
            country.info
            puts "\n"
        end 
    else 
        puts "No countries with given currency name were found."
    end 
end

#search_by_currency_symbol ⇒ Object 



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# File 'lib/countries_cli/cli.rb', line 99

def search_by_currency_symbol
    puts "Please enter the currency symbol: "
    input = gets.chomp
    countries = CountriesCli::COUNTRY.search_all_with_currency_symbol(input)
    if countries.count > 0
        countries.each do |country|
            country.info
            puts "\n"
        end 
    else 
        puts "No countries with given currency symbol were found."
    end 
end

#search_by_language ⇒ Object 



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

def search_by_language
    puts "Please enter a language: "
    input = gets.chomp
    countries = CountriesCli::COUNTRY.search_all_with_language(input)
    if countries.count > 0
        countries.each do |country|
            country.info
            puts "\n"
        end 
    else 
        puts "No countries with given language were found."
    end
end

#search_by_name ⇒ Object 



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# File 'lib/countries_cli/cli.rb', line 75

def search_by_name 
    puts "Please enter the name: "
    input = gets.chomp
    country = CountriesCli::COUNTRY.search_by_name(input)
    if country
        country.info
        puts "\n"
    else 
        puts "Invalid name. Please list all the countries and choose a name from there."
    end 
end

#search_by_region ⇒ Object 



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# File 'lib/countries_cli/cli.rb', line 196

def search_by_region
    puts "Please enter the region: "
    input = gets.chomp
    countries = CountriesCli::COUNTRY.search_by_region(input)
    if countries.count > 0
        countries.each do |country|
            country.info
            puts "\n"
        end
    else 
        puts "Invalid region. Please enter a valid region."
    end
end

#search_by_subregion ⇒ Object 



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# File 'lib/countries_cli/cli.rb', line 210

def search_by_subregion
    puts "Please enter the subregion: "
    input = gets.chomp
    countries = CountriesCli::COUNTRY.search_by_subregion(input)
    if countries.count > 0
        countries.each do |country|
            country.info
            puts "\n"
        end
    else 
        puts "Invalid subregion. Please enter a valid subregion."
    end
end

#search_by_suffix ⇒ Object 



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# File 'lib/countries_cli/cli.rb', line 87

def search_by_suffix
    puts "Please enter the suffix: "
    input = gets.chomp
    country = CountriesCli::COUNTRY.search_by_suffix(input)
    if country
        country.info
        puts "\n"
    else 
        puts "Country with given suffix not found."
    end 
end