1 files changed, 76 insertions, 0 deletions
diff --git a/components/storage.rb b/components/storage.rb
new file mode 100644
index 0000000..5f51d06
--- /dev/null
+++ b/components/storage.rb
@@ -0,0 +1,76 @@
+# frozen_string_literal: true
+
+require 'babosa'
+
+require_relative '../logic/helpers/hash'
+
+module NanoBot
+  module Components
+    class Storage
+      def self.build_path_and_ensure_state_file!(key, cartridge)
+        path = [
+          Logic::Helpers::Hash.fetch(cartridge, %i[state directory]),
+          ENV.fetch('NANO_BOTS_STATE_DIRECTORY', nil)
+        ].find do |candidate|
+          !candidate.nil? && !candidate.empty?
+        end
+
+        path = "#{user_home!.sub(%r{/$}, '')}/.local/state/nano-bots" if path.nil?
+
+        path = "#{path.sub(%r{/$}, '')}/nano-bots-rb/#{cartridge[:name].to_slug.normalize}"
+        path = "#{path}/#{cartridge[:version].to_slug.normalize}/#{key.to_slug.normalize}"
+        path = "#{path}/state.json"
+
+        FileUtils.mkdir_p(File.dirname(path))
+
+        File.write(path, JSON.generate({ key:, history: [] })) unless File.exist?(path)
+
+        path
+      end
+
+      def self.cartridge_path(path)
+        partial = File.join(File.dirname(path), File.basename(path, File.extname(path)))
+
+        candidates = [
+          path,
+          "#{partial}.yml",
+          "#{partial}.yaml"
+        ]
+
+        unless ENV.fetch('NANO_BOTS_CARTRIDGES_DIRECTORY', nil).nil?
+          directory = ENV.fetch('NANO_BOTS_CARTRIDGES_DIRECTORY').sub(%r{/$}, '')
+
+          partial = File.join(File.dirname(partial), File.basename(partial, File.extname(partial)))
+
+          partial = path.sub(%r{^\.?/}, '')
+
+          candidates << "#{directory}/#{partial}"
+          candidates << "#{directory}/#{partial}.yml"
+          candidates << "#{directory}/#{partial}.yaml"
+        end
+
+        directory = "#{user_home!.sub(%r{/$}, '')}/.local/share/nano-bots/cartridges"
+
+        partial = File.join(File.dirname(partial), File.basename(partial, File.extname(partial)))
+
+        partial = path.sub(%r{^\.?/}, '')
+
+        candidates << "#{directory}/#{partial}"
+        candidates << "#{directory}/#{partial}.yml"
+        candidates << "#{directory}/#{partial}.yaml"
+
+        candidates = candidates.uniq
+
+        candidates.find do |candidate|
+          File.exist?(candidate) && File.file?(candidate)
+        end
+      end
+
+      def self.user_home!
+        [Dir.home, `echo ~`.strip, '~'].find do |candidate|
+          !candidate.nil? && !candidate.empty?
+        end
+      end
+    end
+  end
+end