Class: LCSP::LCSPResolver

Inherits:
Object
  • Object
show all
Defined in:
lib/lcsp/resolver.rb

Overview

LCSPResolver logic.

Instance Method Summary collapse

Constructor Details

#initialize(user, repository, number) ⇒ LCSPResolver

LCSPResolver is entry point for any LCSP request by user.

Parameters:

  • user (String) —

    The GitHub username of the user.

  • repository (String) —

    The name of the repository containing the LCSP problem.

  • number (Integer) —

    The problem number for which the LCSP needs to be resolved.



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# File 'lib/lcsp/resolver.rb', line 13

def initialize(user, repository, number)
  @user = user
  @repository = repository
  @number = number
end

Instance Method Details

#resolve ⇒ String?

Resolves the LCSP by creating an LCSPCache instance, locating the LCSPFinder file, requiring it, and then creating an LCSPFinder instance to find the solution.

Returns:

  • (String) —

    The solution to the LCSP problem.

  • (nil) —

    If the LCSPFinder file is not found or the solution is not found.



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# File 'lib/lcsp/resolver.rb', line 24

def resolve
  cache = ::LCSP::LCSPCache.new(@user, @repository)
  finder_path = "#{cache.path}/lcsp/finder.rb"

  unless ::File.exist?(finder_path)
    puts('finder.rb not found in repository. Please, check config and try again.')

    exit(1)
  end

  require_relative(finder_path)

  solution = ::LCSP::LCSPFinder.new(cache.path, @number).solution

  if solution.nil?
    puts('Solution not found. Please, check your input and try again.')

    exit(2)
  end

  solution
end