Add and configure DataMapper for models.

.gitignore

@@ -1 +1,2 @@
 .bundle
+db/*.db

Gemfile

@@ -1,9 +1,12 @@
 source :rubygems
 
 gem "sinatra"
+gem "datamapper", require: "data_mapper"
+gem "dm-postgres-adapter"
 
 group :development, :test do
   gem "heroku"
   gem "rspec"
-  gem "rack-test"
+  gem "rack-test", require: "rack/test"
+  gem "dm-sqlite-adapter"
 end

Gemfile.lock

@@ -2,15 +2,73 @@ GEM
   remote: http://rubygems.org/
   specs:
     addressable (2.2.6)
+    bcrypt-ruby (3.0.1)
+    data_objects (0.10.8)
+      addressable (~> 2.1)
+    datamapper (1.2.0)
+      dm-aggregates (~> 1.2.0)
+      dm-constraints (~> 1.2.0)
+      dm-core (~> 1.2.0)
+      dm-migrations (~> 1.2.0)
+      dm-serializer (~> 1.2.0)
+      dm-timestamps (~> 1.2.0)
+      dm-transactions (~> 1.2.0)
+      dm-types (~> 1.2.0)
+      dm-validations (~> 1.2.0)
     diff-lcs (1.1.3)
+    dm-aggregates (1.2.0)
+      dm-core (~> 1.2.0)
+    dm-constraints (1.2.0)
+      dm-core (~> 1.2.0)
+    dm-core (1.2.0)
+      addressable (~> 2.2.6)
+    dm-do-adapter (1.2.0)
+      data_objects (~> 0.10.6)
+      dm-core (~> 1.2.0)
+    dm-migrations (1.2.0)
+      dm-core (~> 1.2.0)
+    dm-postgres-adapter (1.2.0)
+      dm-do-adapter (~> 1.2.0)
+      do_postgres (~> 0.10.6)
+    dm-serializer (1.2.1)
+      dm-core (~> 1.2.0)
+      fastercsv (~> 1.5.4)
+      json (~> 1.6.1)
+      json_pure (~> 1.6.1)
+      multi_json (~> 1.0.3)
+    dm-sqlite-adapter (1.2.0)
+      dm-do-adapter (~> 1.2.0)
+      do_sqlite3 (~> 0.10.6)
+    dm-timestamps (1.2.0)
+      dm-core (~> 1.2.0)
+    dm-transactions (1.2.0)
+      dm-core (~> 1.2.0)
+    dm-types (1.2.1)
+      bcrypt-ruby (~> 3.0.0)
+      dm-core (~> 1.2.0)
+      fastercsv (~> 1.5.4)
+      json (~> 1.6.1)
+      multi_json (~> 1.0.3)
+      stringex (~> 1.3.0)
+      uuidtools (~> 2.1.2)
+    dm-validations (1.2.0)
+      dm-core (~> 1.2.0)
+    do_postgres (0.10.8)
+      data_objects (= 0.10.8)
+    do_sqlite3 (0.10.8)
+      data_objects (= 0.10.8)
+    fastercsv (1.5.4)
     heroku (2.19.2)
       launchy (>= 0.3.2)
       rest-client (~> 1.6.1)
       rubyzip
       term-ansicolor (~> 1.0.5)
+    json (1.6.5)
+    json_pure (1.6.5)
     launchy (2.0.5)
       addressable (~> 2.2.6)
     mime-types (1.17.2)
+    multi_json (1.0.4)
     rack (1.4.1)
     rack-protection (1.2.0)
       rack
@@ -31,13 +89,18 @@ GEM
       rack (~> 1.3, >= 1.3.6)
       rack-protection (~> 1.2)
       tilt (~> 1.3, >= 1.3.3)
+    stringex (1.3.0)
     term-ansicolor (1.0.7)
     tilt (1.3.3)
+    uuidtools (2.1.2)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  datamapper
+  dm-postgres-adapter
+  dm-sqlite-adapter
   heroku
   rack-test
   rspec

config.ru

@@ -5,4 +5,6 @@ Bundler.require
 
 require './auction_notifier'
 
+DataMapper.setup(:default, ENV['HEROKU_SHARED_POSTGRESQL_PINK_URL'] || "sqlite3://#{Dir.pwd}/db/development.db")
+
 run Sinatra::Application

spec/spec_helper.rb

@@ -1,5 +1,6 @@
 require 'sinatra'
 require 'rack/test'
+require 'data_mapper'
 
 require File.join(File.dirname(__FILE__), '..', 'auction_notifier.rb')
 
@@ -9,10 +10,14 @@
 set :raise_errors, true
 set :logging, false
 
+DataMapper.setup(:default, "sqlite3://#{Dir.pwd}/db/test.db")
+
 def app
   Sinatra::Application
 end
 
 RSpec.configure do |config|
   config.include Rack::Test::Methods
+
+  config.before(:each) { DataMapper.auto_migrate! }
 end