Class: UqLibraries::CLI

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

Instance Method Summary collapse

Instance Method Details

#call ⇒ Object 



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# File 'lib/uq_libraries/cli.rb', line 3

def call
    loading # Shows loading screen while waiting for libraries to be scraped

    create_libraries # Creates library instances for each library hash

    display_libraries # Iterates through all libraries and lists them with an index

    run_gem # Takes the user input and calls methods depending on input
end

#create_libraries ⇒ Object

Creates library instances for each library hash



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# File 'lib/uq_libraries/cli.rb', line 24

def create_libraries # Creates library instances for each library hash
    UqLibraries::Library.create_from_collection(UqLibraries::Scraper.scrape_main_page)
end

#display_libraries ⇒ Object

Gets libraries from array and puts out their names preceded by their index starting at 1.



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

def display_libraries # Gets libraries from array and puts out their names preceded by their index starting at 1.
    system "clear" or system "cls"
    UqLibraries::Library.all.each.with_index(1) do |library, index|
        puts "#{index}. #{library.name}: #{status(index)}"
    end
end

#loading ⇒ Object

Shows loading screen while waiting for libraries to be scraped



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

def loading # Shows loading screen while waiting for libraries to be scraped
    puts "Loading...\n"
end

#more_info(input) ⇒ Object

Helper method for #run_gem. Displays more information on the library using the input provided by the user



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# File 'lib/uq_libraries/cli.rb', line 67

def more_info(input) # Helper method for #run_gem. Displays more information on the library using the input provided by the user
    details = UqLibraries::Library.all[input].details

    details.each do |level|
        if level[:available].to_i > 0.6666666666 * level[:out_of_available].to_i
            print "QUIET: ".colorize(:green)
            puts "#{level[:level]} has #{level[:available]} computers available out of #{level[:out_of_available]}".gsub("Entry ", "")

        elsif level[:available].to_i > 0.3333333333 * level[:out_of_available].to_i && level[:available].to_i <= 0.666666666666 * level[:out_of_available].to_i
            print "NORMAL: ".colorize(:yellow)
            puts "#{level[:level]} has #{level[:available]} computers available out of #{level[:out_of_available]}".gsub("Entry ", "")

        elsif level[:available].to_i <= 0.3333333333 * level[:out_of_available].to_i
            print "BUSY: ".colorize(:red)
            puts "#{level[:level]} has #{level[:available]} computers available out of #{level[:out_of_available]}".gsub("Entry ", "")
        end
    end
end

#run_gem ⇒ Object

Takes the user input and calls methods depending on input



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# File 'lib/uq_libraries/cli.rb', line 40

def run_gem # Takes the user input and calls methods depending on input
        puts "\nEnter a number (1-9) to show more information about a library."
        puts "Type `list` to see the library list again or type 'exit' to leave."
        print "> "
        input = gets.strip.downcase

        if input.to_i.between?(1, 12)
            system "clear" or system "cls"
            puts "#{UqLibraries::Library.all[input.to_i - 1].name}"
            puts "---------------------------------------------------".colorize(:blue)
            more_info(input.to_i - 1)
            puts "---------------------------------------------------".colorize(:blue)
            run_gem
        elsif input == "list"
            system "clear" or system "cls"
            display_libraries
            run_gem
        elsif input == "exit"
            system "clear" or system "cls"
            exit
        else
            system "clear" or system "cls"
            puts "\nThat's not a library! Enter the index number of a library (1-9) or type 'list' for a list of libraries.".colorize(:red)
            run_gem
        end
end

#status(index) ⇒ Object

Helper method for #display_libraries. Shows status of library QUIET/NORMAL/BUSY



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

def status(index) # Helper method for #display_libraries. Shows status of library QUIET/NORMAL/BUSY
    library = UqLibraries::Library.all[index - 1]

    if library.total_available.to_i <= 0.3333333333 * library.total_out_of_available.to_i
        "BUSY".colorize(:red)
    elsif library.total_available.to_i > 0.3333333333 * library.total_out_of_available.to_i && library.total_available.to_i <= 0.666666666666 * library.total_out_of_available.to_i
        "NORMAL".colorize(:yellow)
    elsif library.total_available.to_i > 0.666666666666 * library.total_out_of_available.to_i
        "QUIET".colorize(:green)
    end
end