database operations included

README.md

@@ -8,7 +8,6 @@ it based on [money gem](https://github.com/RubyMoney/money), [money-rails Gem](h
 
 Add this line to your application's Gemfile:
 
-	gem 'money-rails'
     gem 'tcmb_currency'
 
 And then execute:
@@ -24,8 +23,10 @@ Or install it yourself as:
 After the installing gems run:
 
 	$ rails g money_rails:initializer
+	$ rails g tcmb_currency:migration
+	$ rake db:migrate
 
-then add
+then add to /config/initializers/money.rb file
 
 
 	require 'money'
@@ -36,6 +37,9 @@ then add
 	# set default bank to instance of GoogleCurrency
 	Money.default_bank = Money::Bank::TcmbCurrency.new
 
+at last add to daily cron tasks this rake 
+
+	$ rake tcmb_currency:insert
 
 And you can use it as
 

lib/money/bank/tcmb_currency.rb

@@ -2,29 +2,34 @@
 require 'money'
 require 'open-uri'
 require 'multi_json'
+require "active_record"
 
 class Money
-
   def exchange_to( to_currency, date = Time.now.to_date)
     other_currency = Currency.wrap(to_currency)
     bank = Bank::TcmbCurrency.new
     bank.exchange_with(self,to_currency,date)
   end
 
+
   module Bank
     class TcmbCurrency < Money::Bank::VariableExchange
-
+    	class CrossRate < ActiveRecord::Base
+			attr_accessible :code, :rate, :date
+	 	end  
       SERVICE_HOST = "whispering-springs-5160.herokuapp.com"
       SERVICE_PATH = "/currencies"
 
       attr_reader :rates
 
+
       def flush_rates
         @mutex.synchronize{
           @rates = {}
         }
       end
 
+
       def flush_rate(from, to, date)
         key = rate_key_for(from, to)
         @mutex.synchronize{
@@ -35,7 +40,7 @@ def flush_rate(from, to, date)
       def exchange_with(*args)
         from , to_currency , date = args[0], args[1], args[2]
         return from if same_currency?(from.currency, to_currency)
-
+        
         rate = get_rate(from.currency, to_currency, date)
         unless rate
           raise UnknownRate, "No conversion rate known for '#{from.currency.iso_code}' -> '#{to_currency}'"
@@ -64,32 +69,12 @@ def get_rate(from, to, date)
 
       private
 
+
       def fetch_rate(from, to, date)
         from, to = Currency.wrap(from), Currency.wrap(to)
-
-        data = build_uri(from, to, date).read
-        data = fix_response_json_data(data)
-
-        return data['amount']
-      end
-
-      def build_uri(from, to, date)	
-        uri = URI::HTTP.build(
-          :host => SERVICE_HOST,
-          :path => SERVICE_PATH,
-          :query => "cash=1&from=#{from.iso_code}&to=#{to.iso_code}&date=#{date}"
-        )
-      end
-
-      def fix_response_json_data(data)
-        data.gsub!(/from:/, '"from":')
-        data.gsub!(/from_name:/, '"from_name":')
-        data.gsub!(/to:/, '"to":')
-        data.gsub!(/to_name:/, '"to_name":')
-		    data.gsub!(/amount:/, '"amount":')
-        data.gsub!(Regexp.new("(\\\\x..|\\\\240)"), '')
-
-        MultiJson.decode(data)
+        f = CrossRate.where(code: from.to_s, date: date).last
+        t = CrossRate.where(code: to.to_s, date: date).last
+        return rate = t.rate.to_f/f.rate.to_f      
       end
 
       def rate_key_for(from, to, date)
@@ -98,3 +83,4 @@ def rate_key_for(from, to, date)
     end
   end
 end
+

lib/tcmb_currency.rb

@@ -1,5 +1,6 @@
 require "tcmb_currency/version"
+require "active_support/dependencies"
 
 module TcmbCurrency
-  # Your code goes here...
-end
+  require 'tcmb_currency/railtie' if defined?(Rails)
+end

lib/tcmb_currency/version.rb

@@ -1,3 +1,3 @@
 module TcmbCurrency
-  VERSION = "0.1.0"
+  VERSION = "0.2.0"
 end

tcmb_currency.gemspec

@@ -10,12 +10,14 @@ Gem::Specification.new do |gem|
   gem.email         = ["htkaya90@gmail.com"]
   gem.description   = %q{Tcmb gem}
   gem.summary       = %q{Access the TCMB exchange rate data.}
-  gem.homepage      = ""
+  gem.homepage      = "https://github.com/lab2023/tcmb_currency"
   gem.required_rubygems_version = ">= 1.3.6"
-  gem.add_development_dependency "yard", ">= 0.5.8"
-  gem.add_development_dependency "json", ">= 1.4.0"
-  gem.add_development_dependency "yajl-ruby", ">= 1.0.0"
-  gem.add_development_dependency "ffi"
+  gem.add_dependency "yard", ">= 0.5.8"
+  gem.add_dependency "json", ">= 1.4.0"
+  gem.add_dependency "yajl-ruby", ">= 1.0.0"
+  gem.add_dependency "ffi"
+  gem.add_dependency "money"
+  gem.add_dependency "money-rails"
   gem.files         = `git ls-files`.split($/)
   gem.files 		=  Dir.glob("{lib}/**/*")
   gem.executables   = gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }