Class: SmartphoneFinder::CLI

Inherits:
Object
  • Object
show all
Includes:
HelperMethods
Defined in:
lib/smartphone_finder/cli.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from HelperMethods

#list_all, #obj_exist?

Instance Attribute Details

#search_results ⇒ Object

Returns the value of attribute search_results.



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

def search_results
  @search_results
end

Instance Method Details

#list ⇒ Object 



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

def list
	puts ""
	puts "-----------------------Main Menu------------------------------------------------------------#"
	puts "1- Search by brand   #Enter '1' to browse brands and related devices online on gsmarena.com |"
	puts "2- Search by keyword #Enter '2' to search for specifed keyword online on gsmarena.com       |" 
	puts "3- Exit              #Enter '3' to End application.                                         |"
	puts "--------------------------------------------------------------------------------------------#"
	puts ""
  puts "choose an option please"

end

#menu ⇒ Object 



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

def menu
	list
	input=nil
	while(input !="3")
		puts ""
		input=gets.strip
        if input =="1"
           search_by_brand
        elsif input =="2"
           search_by_keyword
        elsif input=="3"
        	  puts ""
           puts "Thank you for using Smartphone Finder" 
           puts ""
           break

        else
         puts "invalid input"
         list
       end
	end
end

#search_by_brand ⇒ Object 



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

def search_by_brand

#get and display brands
   show_brands
   #ask user to choose brand index to list relative devices
   puts""
   puts"Enter brand index to list relative devices OR Enter 'menu' to list the main menu"
   input=gets.strip.to_i
   if input>0 && input <= SmartphoneFinder::Brand.all.size
   	#get and display devices
       size=show_devices(input-1)#returns devices number
       #choose a device and get/display device specifications
       puts ""
   	  show_device_spec(size,"1",input-1)
   elsif input > SmartphoneFinder::Brand.all.size
       puts ""
       puts "invalid brand index" 
       search_by_brand     
   else
   	#puts "invalid option" 
   	list 
   	end

end

#search_by_keyword ⇒ Object 



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# File 'lib/smartphone_finder/cli.rb', line 80

def search_by_keyword
   puts "-------------------------------------------------"
   puts "Enter your desired keyword here  OR Enter 'menu' to list the main menu"
   keyword = gets.strip
   if keyword=="menu"
        list
   else
       self.search_results= SmartphoneFinder::Scraper.get_by_keyword(keyword)
 if self.search_results.size>0
          show_search_results
          show_device_spec(self.search_results.size,"2")
   else 
        puts "No result meet your search , please try different keyword. Would you like to try again ? Y(es) or N(o)"
        response=gets.strip
        if response.downcase=="y" || response.downcase=="yes" 
          search_by_keyword
        else 
         list
         end 
      end
   end
end

#show_brands ⇒ Object 



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# File 'lib/smartphone_finder/cli.rb', line 52

def show_brands
 	#call scraper to extract brands list
puts "Geting Brands ..."
SmartphoneFinder::Scraper.get_brands
puts ""
puts "Listing all brands ..."
puts ""
 SmartphoneFinder::Brand.list_brands

end

#show_device_spec(size, option, index = nil) ⇒ Object

displaying device specifications



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# File 'lib/smartphone_finder/cli.rb', line 102

def show_device_spec(size,option,index=nil)#displaying device specifications
     if option=="1"
         puts "Enter device index to show related speceifications , Enter '(B)ack' to go to brevious menu , OR Enter 'menu' to list the main menu"
      else 
        puts "Enter device index to show related speceifications , Enter '(R)etry' to try different keyword , OR Enter 'menu' to list the main menu"
       end
    input_ = gets.strip
      index_=input_.to_i-1

    if input_.to_i >0 && input_.to_i <= size
          SmartphoneFinder::Scraper.get_device_spec(SmartphoneFinder::Device.all[index_])
          puts ""
          puts "Displaying specifications for #{(SmartphoneFinder::Device.all[index_]).name} devices ........"
          SmartphoneFinder::Device.all[index_].specifications.display
          puts ""            
          #show navigation options
          puts " Enter 'menu' for main menu , Enter '(B)ack' to go to brevious list "
          response=gets.strip
          if response.downcase=="b" || response.downcase=="back" 
             #calling the correct method according to the chosen option
            option=="2" ? show_search_results : show_devices(index)
            show_device_spec(size,option, index )
          else 
           list
          end
      elsif input_.to_i > size
        puts ""
        puts "invalid device index"  
        show_device_spec(size,option,index)

      elsif (input_.downcase=="r" || input_.downcase=="retry") && option=="2" 
           search_by_keyword 
      elsif (input_.downcase=="b" || input_.downcase=="back") && option=="1" 
           search_by_brand
      else
        list			   
     end
end

#show_devices(index) ⇒ Object 



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# File 'lib/smartphone_finder/cli.rb', line 62

def show_devices(index)
	  #call scraper to extract devices list
    SmartphoneFinder::Scraper.get_devices_by_brand(SmartphoneFinder::Brand.all[index])
    #listing devices .....
    brand=SmartphoneFinder::Brand.all[index]
    puts ""
    puts "Listing #{brand.name} devices ........"
    puts ""
    (SmartphoneFinder::Brand.all[index]).list_devices  
    return brand.devices.size
end

#show_search_results ⇒ Object 



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# File 'lib/smartphone_finder/cli.rb', line 74

def show_search_results 
  puts "Listing search results  ........"
   puts ""
       self.list_all(self.search_results)
	
end

#start ⇒ Object 



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# File 'lib/smartphone_finder/cli.rb', line 8

def start
    welcome
    menu
end

#welcome ⇒ Object

welcom user and display the current version



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# File 'lib/smartphone_finder/cli.rb', line 13

def welcome#welcom user and display the current version
 puts ""
 puts "welcome to Smartphone Finder version #{SmartphoneFinder::VERSION}"
end