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6690d66 @josevalim Rename config.cookie_secret to config.secret_token and pass it as config...
josevalim authored
1 require 'active_support/core_ext/hash/reverse_merge'
772c2b0 @josevalim Use the new ActiveSupport::FileUpdateChecker instead of RoutesReloader.
josevalim authored
2 require 'active_support/file_update_checker'
02c5137 @josevalim Add view paths to Engine setup.
josevalim authored
3 require 'fileutils'
b17e358 @josevalim Move configuration to subfolders.
josevalim authored
4 require 'rails/plugin'
2fde9d7 @josevalim Solve some pendencies.
josevalim authored
5 require 'rails/engine'
dc677f7 tests pass with requiring the frameworks in rails.rb
Carlhuda authored
6
accd9b4 @josh Restore "Start Rails::Application object
josh authored
7 module Rails
781d0a9 @josevalim Add docs for Railtie, Engine, Plugin and Application.
josevalim authored
8 # In Rails 3.0, a Rails::Application object was introduced which is nothing more than
9 # an Engine but with the responsibility of coordinating the whole boot process.
10 #
11 # == Initialization
12 #
13 # Rails::Application is responsible for executing all railties, engines and plugin
14 # initializers. Besides, it also executed some bootstrap initializers (check
15 # Rails::Application::Bootstrap) and finishing initializers, after all the others
16 # are executed (check Rails::Application::Finisher).
17 #
18 # == Configuration
19 #
20 # Besides providing the same configuration as Rails::Engine and Rails::Railtie,
21 # the application object has several specific configurations, for example
22 # "allow_concurrency", "cache_classes", "consider_all_requests_local", "filter_parameters",
9b19a6f @josevalim A few changes were done in this commit:
josevalim authored
23 # "logger", "reload_plugins" and so forth.
781d0a9 @josevalim Add docs for Railtie, Engine, Plugin and Application.
josevalim authored
24 #
25 # Check Rails::Application::Configuration to see them all.
26 #
27 # == Routes
28 #
29 # The application object is also responsible for holding the routes and reloading routes
30 # whenever the files change in development.
31 #
45e6028 @wycats Removing Metal from Rails 3.
wycats authored
32 # == Middlewares
781d0a9 @josevalim Add docs for Railtie, Engine, Plugin and Application.
josevalim authored
33 #
45e6028 @wycats Removing Metal from Rails 3.
wycats authored
34 # The Application is also responsible for building the middleware stack.
9cfeefb @wycats Reorganized initializers a bit to enable better hooks for common cases w...
wycats authored
35 #
7fcf859 @josevalim Massive cleanup in Railties and load stack.
josevalim authored
36 class Application < Engine
4f03603 @josevalim Break application.rb file in smaller chunks.
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37 autoload :Bootstrap, 'rails/application/bootstrap'
b17e358 @josevalim Move configuration to subfolders.
josevalim authored
38 autoload :Configuration, 'rails/application/configuration'
4f03603 @josevalim Break application.rb file in smaller chunks.
josevalim authored
39 autoload :Finisher, 'rails/application/finisher'
13d66cd @josevalim Extract Railtie load from application.
josevalim authored
40 autoload :Railties, 'rails/application/railties'
3049e64 @drogus Moved Rails::RoutesReloader to Rails::Application::RoutesReloader
drogus authored
41 autoload :RoutesReloader, 'rails/application/routes_reloader'
80130d1 @josevalim Extract routes reloading responsibilities from application and load them...
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42
e4d7e50 Moving more initializers into the application object
Carl Lerche authored
43 class << self
7fcf859 @josevalim Massive cleanup in Railties and load stack.
josevalim authored
44 def inherited(base)
2fde9d7 @josevalim Solve some pendencies.
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45 raise "You cannot have more than one Rails::Application" if Rails.application
7fcf859 @josevalim Massive cleanup in Railties and load stack.
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46 super
788fce2 @josevalim Create configurable modules and ensure that they are added only on direc...
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47 Rails.application = base.instance
6f83a50 @fxn renames load_(once_)paths to autoload_(once_)paths in dependencies and c...
fxn authored
48 Rails.application.add_lib_to_load_path!
9cfeefb @wycats Reorganized initializers a bit to enable better hooks for common cases w...
wycats authored
49 ActiveSupport.run_load_hooks(:before_configuration, base.instance)
e4d7e50 Moving more initializers into the application object
Carl Lerche authored
50 end
897164d Conceptually unify instance & global initializers
Yehuda Katz + Carl Lerche authored
51 end
6f6a589 Create the application object from config/environment.rb
Yehuda Katz + Carl Lerche authored
52
eedbf87 @drogus New way of generating urls for Application from Engine.
drogus authored
53 delegate :default_url_options, :default_url_options=, :to => :routes
54
9e081ca @josevalim Improve documentation for add_lib_to_load_paths!
josevalim authored
55 # This method is called just after an application inherits from Rails::Application,
56 # allowing the developer to load classes in lib and use them during application
57 # configuration.
58 #
59 # class MyApplication < Rails::Application
60 # require "my_backend" # in lib/my_backend
61 # config.i18n.backend = MyBackend
62 # end
63 #
64 # Notice this method takes into consideration the default root path. So if you
65 # are changing config.root inside your application definition or having a custom
66 # Rails application, you will need to add lib to $LOAD_PATH on your own in case
67 # you need to load files in lib/ during the application configuration as well.
6f83a50 @fxn renames load_(once_)paths to autoload_(once_)paths in dependencies and c...
fxn authored
68 def add_lib_to_load_path! #:nodoc:
5a0d73f @josevalim Add lib to load paths when application is inherited to be able to load l...
josevalim authored
69 path = config.root.join('lib').to_s
70 $LOAD_PATH.unshift(path) if File.exists?(path)
71 end
72
9e081ca @josevalim Improve documentation for add_lib_to_load_paths!
josevalim authored
73 def require_environment! #:nodoc:
d649bf1 @josevalim Provide a cleaner syntax for paths configuration that does not rely on m...
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74 environment = paths["config/environment"].existent.first
13d66cd @josevalim Extract Railtie load from application.
josevalim authored
75 require environment if environment
d982fe2 Replace reopening the class with App.configure as an alias to class_eval
Carlhuda authored
76 end
77
9e081ca @josevalim Improve documentation for add_lib_to_load_paths!
josevalim authored
78 def eager_load! #:nodoc:
5a0d73f @josevalim Add lib to load paths when application is inherited to be able to load l...
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79 railties.all(&:eager_load!)
80 super
81 end
82
7b0c592 @josevalim reload_routes! is part of the public API and should not be removed.
josevalim authored
83 def reload_routes!
84 routes_reloader.reload!
85 end
86
80130d1 @josevalim Extract routes reloading responsibilities from application and load them...
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87 def routes_reloader
3049e64 @drogus Moved Rails::RoutesReloader to Rails::Application::RoutesReloader
drogus authored
88 @routes_reloader ||= RoutesReloader.new
80130d1 @josevalim Extract routes reloading responsibilities from application and load them...
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89 end
5f8e48c @josh Move route reloading into railties
josh authored
90
80130d1 @josevalim Extract routes reloading responsibilities from application and load them...
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91 def initialize!
abeb0ff @drogus Ensure that Rails.application.initialize! is called only once
drogus authored
92 raise "Application has been already initialized." if @initialized
80130d1 @josevalim Extract routes reloading responsibilities from application and load them...
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93 run_initializers(self)
abeb0ff @drogus Ensure that Rails.application.initialize! is called only once
drogus authored
94 @initialized = true
80130d1 @josevalim Extract routes reloading responsibilities from application and load them...
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95 self
5f8e48c @josh Move route reloading into railties
josh authored
96 end
97
94bb331 @jeremy Shift more responsibility from application class to its singleton instan...
jeremy authored
98 def load_tasks
788fce2 @josevalim Create configurable modules and ensure that they are added only on direc...
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99 initialize_tasks
13d66cd @josevalim Extract Railtie load from application.
josevalim authored
100 railties.all { |r| r.load_tasks }
e461e1b @josevalim Ensure application rake tasks and generators are loaded after the ones s...
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101 super
13d66cd @josevalim Extract Railtie load from application.
josevalim authored
102 self
94bb331 @jeremy Shift more responsibility from application class to its singleton instan...
jeremy authored
103 end
104
4ca9765 @josevalim Allow railties to specify generators paths.
josevalim authored
105 def load_generators
788fce2 @josevalim Create configurable modules and ensure that they are added only on direc...
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106 initialize_generators
13d66cd @josevalim Extract Railtie load from application.
josevalim authored
107 railties.all { |r| r.load_generators }
e461e1b @josevalim Ensure application rake tasks and generators are loaded after the ones s...
josevalim authored
108 super
13d66cd @josevalim Extract Railtie load from application.
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109 self
82b9b15 Refactor plugins
Yehuda Katz + Carl Lerche authored
110 end
111
fa98eca @josevalim Add console hook to force ActiveRecord::Base to be loaded when console s...
josevalim authored
112 def load_console(sandbox=false)
113 initialize_console(sandbox)
114 railties.all { |r| r.load_console }
115 super()
116 self
117 end
118
f816666 @josevalim Alias app to build_middleware_stack for clarity.
josevalim authored
119 alias :build_middleware_stack :app
603d4fb @josh Build middleware stack and reload routes after app initializers run
josh authored
120
a132229 @drogus Added ability to set asset_path for engines
drogus authored
121 def env_config
122 @env_config ||= super.merge({
6690d66 @josevalim Rename config.cookie_secret to config.secret_token and pass it as config...
josevalim authored
123 "action_dispatch.parameter_filter" => config.filter_parameters,
a132229 @drogus Added ability to set asset_path for engines
drogus authored
124 "action_dispatch.secret_token" => config.secret_token,
439a745 @sikachu Make sure that we set `env["action_dispatch.show_exceptions"]`
sikachu authored
125 "action_dispatch.asset_path" => nil,
126 "action_dispatch.show_exceptions" => config.action_dispatch.show_exceptions
a132229 @drogus Added ability to set asset_path for engines
drogus authored
127 })
6d6ae08 Start moving the initializers into the application object
Carl Lerche authored
128 end
129
98240c4 @josevalim Get rid of initializers global and create i18n railtie.
josevalim authored
130 def initializers
e9793c6 @spastorino Makes this code a bit more clear
spastorino authored
131 Bootstrap.initializers_for(self) +
132 super +
133 Finisher.initializers_for(self)
98240c4 @josevalim Get rid of initializers global and create i18n railtie.
josevalim authored
134 end
788fce2 @josevalim Create configurable modules and ensure that they are added only on direc...
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135
32a5b49 @drogus Move singleton pattern to Railtie and remove Engine::Configurable and Ap...
drogus authored
136 def config
137 @config ||= Application::Configuration.new(find_root_with_flag("config.ru", Dir.pwd))
138 end
139
788fce2 @josevalim Create configurable modules and ensure that they are added only on direc...
josevalim authored
140 protected
141
1860d87 @josevalim Ensure asset_path defaults to nil for application
josevalim authored
142 def default_asset_path
143 nil
144 end
145
19d8c8c @josevalim Remove the laziness from the middleware stack.
josevalim authored
146 def default_middleware_stack
147 ActionDispatch::MiddlewareStack.new.tap do |middleware|
eeb3246 Only add Rack::Cache to the middleware stack if config.action_controller...
Sparky authored
148 rack_cache = config.action_controller.perform_caching && config.action_dispatch.rack_cache
254ab7d @wycats First pass at Rack::Cache
wycats authored
149
eeb3246 Only add Rack::Cache to the middleware stack if config.action_controller...
Sparky authored
150 require "action_dispatch/http/rack_cache" if rack_cache
74dd8a3 @josevalim Move ETag and ConditionalGet logic from AD::Response to the middleware s...
josevalim authored
151 middleware.use ::Rack::Cache, rack_cache if rack_cache
eeb3246 Only add Rack::Cache to the middleware stack if config.action_controller...
Sparky authored
152
e6369bc @drogus Application's assets should have higher priority than engine's ones
drogus authored
153 if config.serve_static_assets
154 asset_paths = ActiveSupport::OrderedHash[config.static_asset_paths.to_a.reverse]
155 middleware.use ::ActionDispatch::Static, asset_paths
156 end
ea14396 @neerajdotname replace if ! with unless
neerajdotname authored
157 middleware.use ::Rack::Lock unless config.allow_concurrency
19d8c8c @josevalim Remove the laziness from the middleware stack.
josevalim authored
158 middleware.use ::Rack::Runtime
159 middleware.use ::Rails::Rack::Logger
160 middleware.use ::ActionDispatch::ShowExceptions, config.consider_all_requests_local if config.action_dispatch.show_exceptions
161 middleware.use ::ActionDispatch::RemoteIp, config.action_dispatch.ip_spoofing_check, config.action_dispatch.trusted_proxies
162 middleware.use ::Rack::Sendfile, config.action_dispatch.x_sendfile_header
0f7c970 Introduce ActionDispatch::Reloader
John Firebaugh authored
163 middleware.use ::ActionDispatch::Reloader unless config.cache_classes
435bccd Replace AD::Callbacks.to_prepare with AD::Reloader.to_prepare
John Firebaugh authored
164 middleware.use ::ActionDispatch::Callbacks
19d8c8c @josevalim Remove the laziness from the middleware stack.
josevalim authored
165 middleware.use ::ActionDispatch::Cookies
166
167 if config.session_store
168 middleware.use config.session_store, config.session_options
169 middleware.use ::ActionDispatch::Flash
170 end
171
172 middleware.use ::ActionDispatch::ParamsParser
173 middleware.use ::Rack::MethodOverride
174 middleware.use ::ActionDispatch::Head
74dd8a3 @josevalim Move ETag and ConditionalGet logic from AD::Response to the middleware s...
josevalim authored
175 middleware.use ::Rack::ConditionalGet
176 middleware.use ::Rack::ETag, "no-cache"
6767946 @wycats Improve best_standards_support to use only IE=Edge in development mode
wycats authored
177 middleware.use ::ActionDispatch::BestStandardsSupport, config.action_dispatch.best_standards_support if config.action_dispatch.best_standards_support
19d8c8c @josevalim Remove the laziness from the middleware stack.
josevalim authored
178 end
179 end
180
788fce2 @josevalim Create configurable modules and ensure that they are added only on direc...
josevalim authored
181 def initialize_tasks
182 require "rails/tasks"
183 task :environment do
184 $rails_rake_task = true
1b816d5 @josevalim The rake task :environment now loads config/environment.rb instead of in...
josevalim authored
185 require_environment!
788fce2 @josevalim Create configurable modules and ensure that they are added only on direc...
josevalim authored
186 end
187 end
188
189 def initialize_generators
190 require "rails/generators"
191 end
fa98eca @josevalim Add console hook to force ActiveRecord::Base to be loaded when console s...
josevalim authored
192
193 def initialize_console(sandbox=false)
194 require "rails/console/app"
195 require "rails/console/sandbox" if sandbox
196 require "rails/console/helpers"
197 end
accd9b4 @josh Restore "Start Rails::Application object
josh authored
198 end
199 end
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