basic API in front of ledgerrb lib

Gemfile

@@ -3,4 +3,4 @@
 source 'https://rubygems.org'
 
 gem 'sinatra'
-gem 'sinatra-contrib'
+gem 'sinatra-param'

Gemfile.lock

@@ -1,24 +1,15 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    backports (3.6.0)
-    multi_json (1.10.1)
     rack (1.5.2)
     rack-protection (1.5.3)
       rack
-    rack-test (0.6.2)
-      rack (>= 1.0)
     sinatra (1.4.5)
       rack (~> 1.4)
       rack-protection (~> 1.4)
       tilt (~> 1.3, >= 1.3.4)
-    sinatra-contrib (1.4.2)
-      backports (>= 2.0)
-      multi_json
-      rack-protection
-      rack-test
-      sinatra (~> 1.4.0)
-      tilt (~> 1.3)
+    sinatra-param (1.2.2)
+      sinatra (~> 1.3)
     tilt (1.4.1)
 
 PLATFORMS
@@ -26,4 +17,4 @@ PLATFORMS
 
 DEPENDENCIES
   sinatra
-  sinatra-contrib
+  sinatra-param

app.rb

@@ -1,8 +1,46 @@
 # encoding: utf-8
 
-require 'sinatra'
-require 'sinatra/reloader'
+require 'json'
+
+Bundler.require( :default, :development ) # require tout les gems définis dans Gemfile
+
+require_relative './lib/ledger'
+
+# Sinatra app serving API
+class LedgerRbApp < Sinatra::Base
+  helpers Sinatra::Param
+
+  get '/' do
+    'OH HAI!'
+  end
+
+  get '/api/ledger/accounts/?' do
+    content_type :json
+
+    Ledger.accounts.to_json
+  end
+
+  get '/api/ledger/accounts/depth/:depth' do
+    content_type :json
+    param :depth, Integer
+
+    Ledger.accounts( params[ :depth ] ).to_json
+  end
+
+  get '/api/ledger/monthly/?' do
+    content_type :json
+    param :categories, Array
+
+    params[ :categories ].map do |category|
+      { category: category,
+        data: Ledger.monthly_register( category ).to_json }
+    end
+  end
+
+  get '/api/ledger/version/?' do
+    content_type :json
+
+    Ledger.version
+  end
 
-get '/' do
-  'OH HAI!'
 end