Add json serializer

zhulik · Jan 2, 2023 · b810b69 · b810b69
1 parent 1b3b202
commit b810b69
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Showing 7 changed files with 74 additions and 22 deletions.
diff --git a/.rubocop.yml b/.rubocop.yml
@@ -37,5 +37,8 @@ Style/Documentation:
 Style/SymbolArray:
   EnforcedStyle: brackets
 
+Style/WordArray:
+  EnforcedStyle: brackets
+
 Style/ClassAndModuleChildren:
   EnforcedStyle: compact
diff --git a/lib/dotcrypt/CLI/app.rb b/lib/dotcrypt/CLI/app.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 class Dotcrypt::Cli::App < Thor
-  include Dotcrypt::Cli::Commands::Load
+  include Dotcrypt::Cli::Commands::Show
 end
diff --git a/lib/dotcrypt/CLI/commands/load.rb b/lib/dotcrypt/CLI/commands/load.rb
diff --git a/lib/dotcrypt/CLI/commands/show.rb b/lib/dotcrypt/CLI/commands/show.rb
@@ -0,0 +1,53 @@
+# frozen_string_literal: true
+
+module Dotcrypt::Cli::Commands::Show
+  class Handler
+    SERIALIZERS = {
+      json: Dotcrypt::Serializers::Json,
+      env: Dotcrypt::Serializers::Env
+    }.freeze
+
+    def initialize(file, **options)
+      @file = file
+      @options = options
+    end
+
+    def call = print(serializer.call(config))
+
+    private
+
+    def config
+      @config ||= Dotcrypt::Dhall.load_from(@file).then do |c|
+        next Dotcrypt::Flattener.call(c, separator: @options[:separator]) if @options[:flatten]
+
+        c
+      end
+    end
+
+    def serializer = SERIALIZERS[@options[:format].to_sym]
+  end
+
+  def self.included(thor) # rubocop:disable Metrics/MethodLength
+    thor.class_eval do
+      desc "show DHALL", "shows dhall file"
+
+      option :format, aliases: :f,
+                      type: :string,
+                      enum: ["json", "env"],
+                      default: "json",
+                      desc: "Output format."
+
+      option :flatten, aliases: :l,
+                       type: :boolean,
+                       default: false,
+                       desc: "Whether to flatten the output. Always enabled for `env` format"
+
+      option :separator, aliases: :s,
+                         type: :string,
+                         default: "_",
+                         desc: "Separator for flattening"
+
+      def show(file = "example.dhall") = Handler.new(file, **options).call
+    end
+  end
+end
diff --git a/lib/dotcrypt/dhall.rb b/lib/dotcrypt/dhall.rb
@@ -7,5 +7,9 @@ class << self
     def load(dhall)
       Dhall.load(dhall).sync.as_hash
     end
+
+    def load_from(file)
+      load(File.read(file))
+    end
   end
 end
diff --git a/lib/dotcrypt/dhall/as_hash.rb b/lib/dotcrypt/dhall/as_hash.rb
@@ -1,37 +1,37 @@
 # frozen_string_literal: true
 
 module Dotcrypt::Dhall::AsHash
-  refine Dhall::Record do
+  refine ::Dhall::Record do
     def as_hash(*)
       to_h.transform_values(&:as_hash)
     end
   end
 
-  refine Dhall::List do
+  refine ::Dhall::List do
     def as_hash(*)
       to_a.map(&:as_hash)
     end
   end
 
-  refine Dhall::Text do
+  refine ::Dhall::Text do
     def as_hash(*)
       to_s
     end
   end
 
-  refine Dhall::Natural do
+  refine ::Dhall::Natural do
     def as_hash(*)
       to_i
     end
   end
 
-  refine Dhall::Double do
+  refine ::Dhall::Double do
     def as_hash(*)
       to_f
     end
   end
 
-  refine Dhall::Builtins::None do
+  refine ::Dhall::Builtins::None do
     def as_hash(*)
       nil
     end

diff --git a/lib/dotcrypt/serializers/json.rb b/lib/dotcrypt/serializers/json.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+require "shellwords"
+
+class Dotcrypt::Serializers::Json < Dotcrypt::Serializers::Serializer
+  def call = JSON.pretty_generate(@config)
+end