From cbb4d205764f81838069ee95ba0646fc26ef8d48 Mon Sep 17 00:00:00 2001
From: Yegor Bugayenko <yegor256@gmail.com>
Date: Fri, 5 Jul 2024 09:39:00 +0300
Subject: [PATCH] #11 cache fb in global

---
 lib/fbe/fb.rb             | 28 +++++++++++++++-------------
 test/fbe/test_conclude.rb |  3 +++
 test/fbe/test_fb.rb       |  1 +
 3 files changed, 19 insertions(+), 13 deletions(-)

diff --git a/lib/fbe/fb.rb b/lib/fbe/fb.rb
index 229fcea..55c9387 100644
--- a/lib/fbe/fb.rb
+++ b/lib/fbe/fb.rb
@@ -29,18 +29,20 @@
 require 'factbase/rules'
 require_relative '../fbe'
 
-def Fbe.fb
-  rules = Dir.glob(File.join('rules', '*.fe')).map { |f| File.read(f) }
-  fb = Factbase::Rules.new(
-    $fb,
-    "(and \n#{rules.join("\n")}\n)",
-    uid: '_id'
-  )
-  fb = Factbase::Pre.new(fb) do |f|
-    max = $fb.query('(eq _id (max _id))').each.to_a.first
-    f._id = (max.nil? ? 0 : max._id) + 1
-    f._time = Time.now
-    f._version = "#{Factbase::VERSION}/#{Judges::VERSION}/#{$options.judges_action_version}"
+def Fbe.fb(global: $global)
+  global[:fb] ||= begin
+    rules = Dir.glob(File.join('rules', '*.fe')).map { |f| File.read(f) }
+    fb = Factbase::Rules.new(
+      $fb,
+      "(and \n#{rules.join("\n")}\n)",
+      uid: '_id'
+    )
+    fb = Factbase::Pre.new(fb) do |f|
+      max = $fb.query('(eq _id (max _id))').each.to_a.first
+      f._id = (max.nil? ? 0 : max._id) + 1
+      f._time = Time.now
+      f._version = "#{Factbase::VERSION}/#{Judges::VERSION}/#{$options.judges_action_version}"
+    end
+    Factbase::Looged.new(fb, Loog::NULL)
   end
-  Factbase::Looged.new(fb, Loog::NULL)
 end
diff --git a/test/fbe/test_conclude.rb b/test/fbe/test_conclude.rb
index 28ea008..280e34d 100644
--- a/test/fbe/test_conclude.rb
+++ b/test/fbe/test_conclude.rb
@@ -37,6 +37,7 @@
 class TestConclude < Minitest::Test
   def test_with_defaults
     $fb = Factbase.new
+    $global = {}
     $options = Judges::Options.new
     $loog = Loog::NULL
     Fbe.conclude do
@@ -63,6 +64,7 @@ def test_draw
 
   def test_maybe
     $fb = Factbase.new
+    $global = {}
     $options = Judges::Options.new
     $loog = Loog::NULL
     Fbe.fb.insert.foo = 1
@@ -84,6 +86,7 @@ def test_maybe
 
   def test_consider
     $fb = Factbase.new
+    $global = {}
     $options = Judges::Options.new
     $loog = Loog::NULL
     Fbe.fb.insert.foo = 1
diff --git a/test/fbe/test_fb.rb b/test/fbe/test_fb.rb
index 52656ff..df5ec17 100644
--- a/test/fbe/test_fb.rb
+++ b/test/fbe/test_fb.rb
@@ -35,6 +35,7 @@
 class TestFb < Minitest::Test
   def test_simple
     $fb = Factbase.new
+    $global = {}
     $options = Judges::Options.new
     Fbe.fb.insert.foo = 1
     Fbe.fb.insert.bar = 2