installed mongoid

Gemfile

@@ -1,6 +1,5 @@
 source 'https://rubygems.org'
 
-
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '4.2.4'
 # Use SCSS for stylesheets
@@ -30,6 +29,8 @@ gem 'sdoc', '~> 0.4.0', group: :doc
 # Use Capistrano for deployment
 # gem 'capistrano-rails', group: :development
 
+gem 'mongoid', '~> 5.0.0'
+
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug'
@@ -42,4 +43,3 @@ group :development do
   # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
   gem 'spring'
 end
-

Gemfile.lock

@@ -39,6 +39,7 @@ GEM
     arel (6.0.3)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
+    bson (3.2.4)
     builder (3.2.2)
     byebug (6.0.2)
     coffee-rails (4.1.0)
@@ -69,9 +70,17 @@ GEM
     mime-types (2.6.2)
     mini_portile (0.6.2)
     minitest (5.8.1)
+    mongo (2.1.0)
+      bson (~> 3.0)
+    mongoid (5.0.0)
+      activemodel (~> 4.0)
+      mongo (~> 2.1)
+      origin (~> 2.1)
+      tzinfo (>= 0.3.37)
     multi_json (1.11.2)
     nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
+    origin (2.1.1)
     rack (1.6.4)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -142,6 +151,7 @@ DEPENDENCIES
   coffee-rails (~> 4.1.0)
   jbuilder (~> 2.0)
   jquery-rails
+  mongoid (~> 5.0.0)
   rails (= 4.2.4)
   sass-rails (~> 5.0)
   sdoc (~> 0.4.0)

config/mongoid.yml

@@ -0,0 +1,135 @@
+development:
+  # Configure available database clients. (required)
+  clients:
+    # Defines the default client. (required)
+    default:
+      # Defines the name of the default database that Mongoid can connect to.
+      # (required).
+      database: ch420_development
+      # Provides the hosts the default client can connect to. Must be an array
+      # of host:port pairs. (required)
+      hosts:
+        - localhost:27017
+      options:
+        # Change the default write concern. (default = { w: 1 })
+        # write:
+        #   w: 1
+
+        # Change the default read preference. Valid options for mode are: :secondary,
+        # :secondary_preferred, :primary, :primary_preferred, :nearest
+        # (default: primary)
+        # read:
+        #   mode: :secondary_preferred
+
+        # The name of the user for authentication.
+        # user: 'user'
+
+        # The password of the user for authentication.
+        # password: 'password'
+
+        # The user's database roles.
+        # roles:
+        #   - 'dbOwner'
+
+        # Change the default authentication mechanism. Valid options are: :scram,
+        # :mongodb_cr, :mongodb_x509, and :plain. (default on 3.0 is :scram, default
+        # on 2.4 and 2.6 is :plain)
+        # auth_mech: :scram
+
+        # The database or source to authenticate the user against. (default: admin)
+        # auth_source: admin
+
+        # Force a the driver cluster to behave in a certain manner instead of auto-
+        # discovering. Can be one of: :direct, :replica_set, :sharded. Set to :direct
+        # when connecting to hidden members of a replica set.
+        # connect: :direct
+
+        # Changes the default time in seconds the server monitors refresh their status
+        # via ismaster commands. (default: 10)
+        # heartbeat_frequency: 10
+
+        # The time in seconds for selecting servers for a near read preference. (default: 5)
+        # local_threshold: 5
+
+        # The timeout in seconds for selecting a server for an operation. (default: 30)
+        # server_selection_timeout: 30
+
+        # The maximum number of connections in the connection pool. (default: 5)
+        # max_pool_size: 5
+
+        # The minimum number of connections in the connection pool. (default: 1)
+        # min_pool_size: 1
+
+        # The time to wait, in seconds, in the connection pool for a connection
+        # to be checked in before timing out. (default: 5)
+        # wait_queue_timeout: 5
+
+        # The time to wait to establish a connection before timing out, in seconds.
+        # (default: 5)
+        # connect_timeout: 5
+
+        # The timeout to wait to execute operations on a socket before raising an error.
+        # (default: 5)
+        # socket_timeout: 5
+
+        # The name of the replica set to connect to. Servers provided as seeds that do
+        # not belong to this replica set will be ignored.
+        # replica_set: name
+
+        # Whether to connect to the servers via ssl. (default: false)
+        # ssl: true
+
+        # The certificate file used to identify the connection against MongoDB.
+        # ssl_cert: /path/to/my.cert
+
+        # The private keyfile used to identify the connection against MongoDB.
+        # Note that even if the key is stored in the same file as the certificate,
+        # both need to be explicitly specified.
+        # ssl_key: /path/to/my.key
+
+        # A passphrase for the private key.
+        # ssl_key_pass_phrase: password
+
+        # Whether or not to do peer certification validation. (default: false)
+        # ssl_verify: true
+
+        # The file containing a set of concatenated certification authority certifications
+        # used to validate certs passed from the other end of the connection.
+        # ssl_ca_cert: /path/to/ca.cert
+
+
+  # Configure Mongoid specific options. (optional)
+  options:
+    # Includes the root model name in json serialization. (default: false)
+    # include_root_in_json: false
+
+    # Include the _type field in serialization. (default: false)
+    # include_type_for_serialization: false
+
+    # Preload all models in development, needed when models use
+    # inheritance. (default: false)
+    # preload_models: false
+
+    # Raise an error when performing a #find and the document is not found.
+    # (default: true)
+    # raise_not_found_error: true
+
+    # Raise an error when defining a scope with the same name as an
+    # existing method. (default: false)
+    # scope_overwrite_exception: false
+
+    # Use Active Support's time zone in conversions. (default: true)
+    # use_activesupport_time_zone: true
+
+    # Ensure all times are UTC in the app side. (default: false)
+    # use_utc: false
+test:
+  clients:
+    default:
+      database: ch420_test
+      hosts:
+        - localhost:27017
+      options:
+        read:
+          mode: primary
+        max_pool_size: 1