problem.rb in asker-tool-2.8.0

- old
+ new

@@ -1,6 +1,7 @@
 require_relative "../logger"
+require_relative "../lang/lang_factory"
 
 class Problem
   attr_accessor :lang
   attr_accessor :context
   attr_accessor :process
@@ -8,24 +9,26 @@
   attr_accessor :varnames
   attr_accessor :cases
   attr_accessor :descs
   attr_accessor :asks
   attr_accessor :questions
+  attr_accessor :stats
 
   @@id = 0
   def initialize
     @@id += 1
     @id = @@id
-    @lang = nil
+    @lang = LangFactory.instance.get("en")
     @context = nil
     @process = false
     @filename = "?"
     @varnames = []
     @cases = []
     @descs = []
     @asks = []
     @questions = []
+    @stats = { answer: 0, steps: 0}
   end
 
   def self.from(values)
     problem = Problem.new
     fields = %i[filename varnames cases descs asks]
@@ -44,11 +47,12 @@
   def process?
     @process
   end
 
   def name
-    "problem#{@id}"
+    firstword = @descs[0]&.strip&.split(" ")&.first&.downcase || "problem"
+    "#{firstword}#{@id}"
   end
 
   def validate
     validate_varnames
     validate_cases
@@ -57,10 +61,12 @@
   end
 
   private
 
   def validate_varnames
+    return if @varnames.nil?
+
     if !@varnames.size.zero? && @cases.size.zero?
       Logger.warn "Problem: No problem/varnames defined with no problem/case"
     end
 
     @varnames.each_with_index do |varname1, index1|
@@ -73,9 +79,11 @@
       end
     end
   end
 
   def validate_cases
+    return if @cases.nil?
+    
     @cases.each do |acase|
       if acase.size != @varnames.size
         Logger.error "Problem: problem/cases size not equal to problem/varnames size"
         Logger.error "       : cases size #{acase.size} (#{acase.join(",")})"
         Logger.error "       : varnames size #{@varnames.size} (#{@varnames.join(",")})"