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901a58f8a3
Changes you will need to make: * In your environment.rb, you will need to update references to a few files per environment.rb.tmpl * In your environment.rb, you will need to specify the local time zone of the computer that is running your Tracks install. Other notes on my changes: * Modified our code to take advantage of Rails 2.1's slick time zone support. * Upgraded will_paginate for compatibility * Hacked the Selenium on Rails plugin, which has not been updated in some time and does not support Rails 2.1 * Verified that all tests pass on my machine, including Selenium tests -- I'd like confirmation from others, too.
572 lines
24 KiB
Ruby
572 lines
24 KiB
Ruby
module ActionController
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# == Overview
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#
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# ActionController::Resources are a way of defining RESTful resources. A RESTful resource, in basic terms,
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# is something that can be pointed at and it will respond with a representation of the data requested.
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# In real terms this could mean a user with a browser requests an HTML page, or that a desktop application
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# requests XML data.
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#
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# RESTful design is based on the assumption that there are four generic verbs that a user of an
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# application can request from a resource (the noun).
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#
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# Resources can be requested using four basic HTTP verbs (GET, POST, PUT, DELETE), the method used
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# denotes the type of action that should take place.
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#
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# === The Different Methods and their Usage
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#
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# +GET+ Requests for a resource, no saving or editing of a resource should occur in a GET request
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# +POST+ Creation of resources
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# +PUT+ Editing of attributes on a resource
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# +DELETE+ Deletion of a resource
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#
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# === Examples
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#
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# # A GET request on the Posts resource is asking for all Posts
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# GET /posts
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#
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# # A GET request on a single Post resource is asking for that particular Post
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# GET /posts/1
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#
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# # A POST request on the Posts resource is asking for a Post to be created with the supplied details
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# POST /posts # with => { :post => { :title => "My Whizzy New Post", :body => "I've got a brand new combine harvester" } }
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#
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# # A PUT request on a single Post resource is asking for a Post to be updated
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# PUT /posts # with => { :id => 1, :post => { :title => "Changed Whizzy Title" } }
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#
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# # A DELETE request on a single Post resource is asking for it to be deleted
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# DELETE /posts # with => { :id => 1 }
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#
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# By using the REST convention, users of our application can assume certain things about how the data
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# is requested and how it is returned. Rails simplifies the routing part of RESTful design by
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# supplying you with methods to create them in your routes.rb file.
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#
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# Read more about REST at http://en.wikipedia.org/wiki/Representational_State_Transfer
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module Resources
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class Resource #:nodoc:
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attr_reader :collection_methods, :member_methods, :new_methods
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attr_reader :path_prefix, :name_prefix, :path_segment
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attr_reader :plural, :singular
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attr_reader :options
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def initialize(entities, options)
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@plural ||= entities
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@singular ||= options[:singular] || plural.to_s.singularize
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@path_segment = options.delete(:as) || @plural
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@options = options
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arrange_actions
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add_default_actions
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set_prefixes
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end
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def controller
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@controller ||= "#{options[:namespace]}#{(options[:controller] || plural).to_s}"
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end
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def requirements(with_id = false)
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@requirements ||= @options[:requirements] || {}
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@id_requirement ||= { :id => @requirements.delete(:id) || /[^#{Routing::SEPARATORS.join}]+/ }
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with_id ? @requirements.merge(@id_requirement) : @requirements
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end
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def conditions
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@conditions = @options[:conditions] || {}
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end
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def path
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@path ||= "#{path_prefix}/#{path_segment}"
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end
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def new_path
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new_action = self.options[:path_names][:new] if self.options[:path_names]
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new_action ||= Base.resources_path_names[:new]
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@new_path ||= "#{path}/#{new_action}"
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end
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def member_path
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@member_path ||= "#{path}/:id"
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end
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def nesting_path_prefix
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@nesting_path_prefix ||= "#{path}/:#{singular}_id"
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end
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def nesting_name_prefix
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"#{name_prefix}#{singular}_"
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end
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def action_separator
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@action_separator ||= Base.resource_action_separator
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end
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def uncountable?
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@singular.to_s == @plural.to_s
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end
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protected
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def arrange_actions
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@collection_methods = arrange_actions_by_methods(options.delete(:collection))
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@member_methods = arrange_actions_by_methods(options.delete(:member))
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@new_methods = arrange_actions_by_methods(options.delete(:new))
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end
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def add_default_actions
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add_default_action(member_methods, :get, :edit)
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add_default_action(new_methods, :get, :new)
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end
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def set_prefixes
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@path_prefix = options.delete(:path_prefix)
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@name_prefix = options.delete(:name_prefix)
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end
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def arrange_actions_by_methods(actions)
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(actions || {}).inject({}) do |flipped_hash, (key, value)|
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(flipped_hash[value] ||= []) << key
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flipped_hash
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end
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end
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def add_default_action(collection, method, action)
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(collection[method] ||= []).unshift(action)
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end
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end
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class SingletonResource < Resource #:nodoc:
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def initialize(entity, options)
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@singular = @plural = entity
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options[:controller] ||= @singular.to_s.pluralize
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super
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end
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alias_method :member_path, :path
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alias_method :nesting_path_prefix, :path
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end
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# Creates named routes for implementing verb-oriented controllers
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# for a collection resource.
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#
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# For example:
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#
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# map.resources :messages
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#
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# will map the following actions in the corresponding controller:
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#
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# class MessagesController < ActionController::Base
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# # GET messages_url
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# def index
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# # return all messages
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# end
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#
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# # GET new_message_url
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# def new
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# # return an HTML form for describing a new message
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# end
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#
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# # POST messages_url
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# def create
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# # create a new message
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# end
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#
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# # GET message_url(:id => 1)
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# def show
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# # find and return a specific message
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# end
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#
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# # GET edit_message_url(:id => 1)
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# def edit
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# # return an HTML form for editing a specific message
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# end
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#
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# # PUT message_url(:id => 1)
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# def update
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# # find and update a specific message
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# end
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#
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# # DELETE message_url(:id => 1)
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# def destroy
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# # delete a specific message
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# end
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# end
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#
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# Along with the routes themselves, +resources+ generates named routes for use in
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# controllers and views. <tt>map.resources :messages</tt> produces the following named routes and helpers:
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#
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# Named Route Helpers
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# ============ =====================================================
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# messages messages_url, hash_for_messages_url,
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# messages_path, hash_for_messages_path
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#
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# message message_url(id), hash_for_message_url(id),
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# message_path(id), hash_for_message_path(id)
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#
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# new_message new_message_url, hash_for_new_message_url,
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# new_message_path, hash_for_new_message_path
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#
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# edit_message edit_message_url(id), hash_for_edit_message_url(id),
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# edit_message_path(id), hash_for_edit_message_path(id)
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#
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# You can use these helpers instead of +url_for+ or methods that take +url_for+ parameters. For example:
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#
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# redirect_to :controller => 'messages', :action => 'index'
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# # and
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# <%= link_to "edit this message", :controller => 'messages', :action => 'edit', :id => @message.id %>
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#
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# now become:
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#
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# redirect_to messages_url
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# # and
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# <%= link_to "edit this message", edit_message_url(@message) # calls @message.id automatically
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#
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# Since web browsers don't support the PUT and DELETE verbs, you will need to add a parameter '_method' to your
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# form tags. The form helpers make this a little easier. For an update form with a <tt>@message</tt> object:
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#
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# <%= form_tag message_path(@message), :method => :put %>
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#
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# or
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#
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# <% form_for :message, @message, :url => message_path(@message), :html => {:method => :put} do |f| %>
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#
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# or
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#
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# <% form_for @message do |f| %>
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#
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# which takes into account whether <tt>@message</tt> is a new record or not and generates the
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# path and method accordingly.
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#
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# The +resources+ method accepts the following options to customize the resulting routes:
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# * <tt>:collection</tt> - Add named routes for other actions that operate on the collection.
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# Takes a hash of <tt>#{action} => #{method}</tt>, where method is <tt>:get</tt>/<tt>:post</tt>/<tt>:put</tt>/<tt>:delete</tt>
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# or <tt>:any</tt> if the method does not matter. These routes map to a URL like /messages/rss, with a route of +rss_messages_url+.
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# * <tt>:member</tt> - Same as <tt>:collection</tt>, but for actions that operate on a specific member.
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# * <tt>:new</tt> - Same as <tt>:collection</tt>, but for actions that operate on the new resource action.
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# * <tt>:controller</tt> - Specify the controller name for the routes.
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# * <tt>:singular</tt> - Specify the singular name used in the member routes.
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# * <tt>:requirements</tt> - Set custom routing parameter requirements.
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# * <tt>:conditions</tt> - Specify custom routing recognition conditions. Resources sets the <tt>:method</tt> value for the method-specific routes.
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# * <tt>:as</tt> - Specify a different resource name to use in the URL path. For example:
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# # products_path == '/productos'
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# map.resources :products, :as => 'productos' do |product|
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# # product_reviews_path(product) == '/productos/1234/comentarios'
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# product.resources :product_reviews, :as => 'comentarios'
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# end
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#
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# * <tt>:has_one</tt> - Specify nested resources, this is a shorthand for mapping singleton resources beneath the current.
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# * <tt>:has_many</tt> - Same has <tt>:has_one</tt>, but for plural resources.
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#
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# You may directly specify the routing association with +has_one+ and +has_many+ like:
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#
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# map.resources :notes, :has_one => :author, :has_many => [:comments, :attachments]
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#
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# This is the same as:
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#
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# map.resources :notes do |notes|
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# notes.resource :author
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# notes.resources :comments
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# notes.resources :attachments
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# end
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#
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# * <tt>:path_names</tt> - Specify different names for the 'new' and 'edit' actions. For example:
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# # new_products_path == '/productos/nuevo'
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# map.resources :products, :as => 'productos', :path_names => { :new => 'nuevo', :edit => 'editar' }
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#
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# You can also set default action names from an environment, like this:
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# config.action_controller.resources_path_names = { :new => 'nuevo', :edit => 'editar' }
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#
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# * <tt>:path_prefix</tt> - Set a prefix to the routes with required route variables.
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#
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# Weblog comments usually belong to a post, so you might use resources like:
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#
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# map.resources :articles
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# map.resources :comments, :path_prefix => '/articles/:article_id'
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#
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# You can nest resources calls to set this automatically:
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#
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# map.resources :articles do |article|
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# article.resources :comments
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# end
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#
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# The comment resources work the same, but must now include a value for <tt>:article_id</tt>.
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#
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# article_comments_url(@article)
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# article_comment_url(@article, @comment)
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#
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# article_comments_url(:article_id => @article)
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# article_comment_url(:article_id => @article, :id => @comment)
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#
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# * <tt>:name_prefix</tt> - Define a prefix for all generated routes, usually ending in an underscore.
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# Use this if you have named routes that may clash.
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#
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# map.resources :tags, :path_prefix => '/books/:book_id', :name_prefix => 'book_'
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# map.resources :tags, :path_prefix => '/toys/:toy_id', :name_prefix => 'toy_'
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#
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# You may also use <tt>:name_prefix</tt> to override the generic named routes in a nested resource:
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#
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# map.resources :articles do |article|
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# article.resources :comments, :name_prefix => nil
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# end
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#
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# This will yield named resources like so:
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#
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# comments_url(@article)
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# comment_url(@article, @comment)
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#
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# If <tt>map.resources</tt> is called with multiple resources, they all get the same options applied.
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#
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# Examples:
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#
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# map.resources :messages, :path_prefix => "/thread/:thread_id"
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# # --> GET /thread/7/messages/1
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#
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# map.resources :messages, :collection => { :rss => :get }
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# # --> GET /messages/rss (maps to the #rss action)
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# # also adds a named route called "rss_messages"
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#
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# map.resources :messages, :member => { :mark => :post }
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# # --> POST /messages/1/mark (maps to the #mark action)
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# # also adds a named route called "mark_message"
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#
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# map.resources :messages, :new => { :preview => :post }
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# # --> POST /messages/new/preview (maps to the #preview action)
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# # also adds a named route called "preview_new_message"
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#
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# map.resources :messages, :new => { :new => :any, :preview => :post }
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# # --> POST /messages/new/preview (maps to the #preview action)
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# # also adds a named route called "preview_new_message"
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# # --> /messages/new can be invoked via any request method
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#
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# map.resources :messages, :controller => "categories",
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# :path_prefix => "/category/:category_id",
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# :name_prefix => "category_"
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# # --> GET /categories/7/messages/1
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# # has named route "category_message"
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#
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# The +resources+ method sets HTTP method restrictions on the routes it generates. For example, making an
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# HTTP POST on <tt>new_message_url</tt> will raise a RoutingError exception. The default route in
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# <tt>config/routes.rb</tt> overrides this and allows invalid HTTP methods for resource routes.
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def resources(*entities, &block)
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options = entities.extract_options!
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entities.each { |entity| map_resource(entity, options.dup, &block) }
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end
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# Creates named routes for implementing verb-oriented controllers for a singleton resource.
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# A singleton resource is global to its current context. For unnested singleton resources,
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# the resource is global to the current user visiting the application, such as a user's
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# /account profile. For nested singleton resources, the resource is global to its parent
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# resource, such as a <tt>projects</tt> resource that <tt>has_one :project_manager</tt>.
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# The <tt>project_manager</tt> should be mapped as a singleton resource under <tt>projects</tt>:
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#
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# map.resources :projects do |project|
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# project.resource :project_manager
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# end
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#
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# See map.resources for general conventions. These are the main differences:
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# * A singular name is given to map.resource. The default controller name is still taken from the plural name.
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# * To specify a custom plural name, use the <tt>:plural</tt> option. There is no <tt>:singular</tt> option.
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# * No default index route is created for the singleton resource controller.
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# * When nesting singleton resources, only the singular name is used as the path prefix (example: 'account/messages/1')
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#
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# For example:
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#
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# map.resource :account
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#
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# maps these actions in the Accounts controller:
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#
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# class AccountsController < ActionController::Base
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# # GET new_account_url
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# def new
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# # return an HTML form for describing the new account
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# end
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#
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# # POST account_url
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# def create
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# # create an account
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# end
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#
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# # GET account_url
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# def show
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# # find and return the account
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# end
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#
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# # GET edit_account_url
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# def edit
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# # return an HTML form for editing the account
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# end
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#
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# # PUT account_url
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# def update
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# # find and update the account
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# end
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#
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# # DELETE account_url
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# def destroy
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# # delete the account
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# end
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# end
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#
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# Along with the routes themselves, +resource+ generates named routes for
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# use in controllers and views. <tt>map.resource :account</tt> produces
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# these named routes and helpers:
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#
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# Named Route Helpers
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# ============ =============================================
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# account account_url, hash_for_account_url,
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# account_path, hash_for_account_path
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#
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# new_account new_account_url, hash_for_new_account_url,
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# new_account_path, hash_for_new_account_path
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#
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# edit_account edit_account_url, hash_for_edit_account_url,
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# edit_account_path, hash_for_edit_account_path
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def resource(*entities, &block)
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options = entities.extract_options!
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entities.each { |entity| map_singleton_resource(entity, options.dup, &block) }
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end
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private
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def map_resource(entities, options = {}, &block)
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resource = Resource.new(entities, options)
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with_options :controller => resource.controller do |map|
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map_collection_actions(map, resource)
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map_default_collection_actions(map, resource)
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map_new_actions(map, resource)
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map_member_actions(map, resource)
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map_associations(resource, options)
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if block_given?
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with_options(:path_prefix => resource.nesting_path_prefix, :name_prefix => resource.nesting_name_prefix, :namespace => options[:namespace], &block)
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end
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end
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end
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def map_singleton_resource(entities, options = {}, &block)
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resource = SingletonResource.new(entities, options)
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with_options :controller => resource.controller do |map|
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map_collection_actions(map, resource)
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map_default_singleton_actions(map, resource)
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map_new_actions(map, resource)
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map_member_actions(map, resource)
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map_associations(resource, options)
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if block_given?
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with_options(:path_prefix => resource.nesting_path_prefix, :name_prefix => resource.nesting_name_prefix, :namespace => options[:namespace], &block)
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end
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end
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end
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def map_associations(resource, options)
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path_prefix = "#{options.delete(:path_prefix)}#{resource.nesting_path_prefix}"
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name_prefix = "#{options.delete(:name_prefix)}#{resource.nesting_name_prefix}"
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Array(options[:has_many]).each do |association|
|
|
resources(association, :path_prefix => path_prefix, :name_prefix => name_prefix, :namespace => options[:namespace])
|
|
end
|
|
|
|
Array(options[:has_one]).each do |association|
|
|
resource(association, :path_prefix => path_prefix, :name_prefix => name_prefix, :namespace => options[:namespace])
|
|
end
|
|
end
|
|
|
|
def map_collection_actions(map, resource)
|
|
resource.collection_methods.each do |method, actions|
|
|
actions.each do |action|
|
|
action_options = action_options_for(action, resource, method)
|
|
map.named_route("#{action}_#{resource.name_prefix}#{resource.plural}", "#{resource.path}#{resource.action_separator}#{action}", action_options)
|
|
map.named_route("formatted_#{action}_#{resource.name_prefix}#{resource.plural}", "#{resource.path}#{resource.action_separator}#{action}.:format", action_options)
|
|
end
|
|
end
|
|
end
|
|
|
|
def map_default_collection_actions(map, resource)
|
|
index_action_options = action_options_for("index", resource)
|
|
index_route_name = "#{resource.name_prefix}#{resource.plural}"
|
|
|
|
if resource.uncountable?
|
|
index_route_name << "_index"
|
|
end
|
|
|
|
map.named_route(index_route_name, resource.path, index_action_options)
|
|
map.named_route("formatted_#{index_route_name}", "#{resource.path}.:format", index_action_options)
|
|
|
|
create_action_options = action_options_for("create", resource)
|
|
map.connect(resource.path, create_action_options)
|
|
map.connect("#{resource.path}.:format", create_action_options)
|
|
end
|
|
|
|
def map_default_singleton_actions(map, resource)
|
|
create_action_options = action_options_for("create", resource)
|
|
map.connect(resource.path, create_action_options)
|
|
map.connect("#{resource.path}.:format", create_action_options)
|
|
end
|
|
|
|
def map_new_actions(map, resource)
|
|
resource.new_methods.each do |method, actions|
|
|
actions.each do |action|
|
|
action_options = action_options_for(action, resource, method)
|
|
if action == :new
|
|
map.named_route("new_#{resource.name_prefix}#{resource.singular}", resource.new_path, action_options)
|
|
map.named_route("formatted_new_#{resource.name_prefix}#{resource.singular}", "#{resource.new_path}.:format", action_options)
|
|
else
|
|
map.named_route("#{action}_new_#{resource.name_prefix}#{resource.singular}", "#{resource.new_path}#{resource.action_separator}#{action}", action_options)
|
|
map.named_route("formatted_#{action}_new_#{resource.name_prefix}#{resource.singular}", "#{resource.new_path}#{resource.action_separator}#{action}.:format", action_options)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def map_member_actions(map, resource)
|
|
resource.member_methods.each do |method, actions|
|
|
actions.each do |action|
|
|
action_options = action_options_for(action, resource, method)
|
|
|
|
action_path = resource.options[:path_names][action] if resource.options[:path_names].is_a?(Hash)
|
|
action_path ||= Base.resources_path_names[action] || action
|
|
|
|
map.named_route("#{action}_#{resource.name_prefix}#{resource.singular}", "#{resource.member_path}#{resource.action_separator}#{action_path}", action_options)
|
|
map.named_route("formatted_#{action}_#{resource.name_prefix}#{resource.singular}", "#{resource.member_path}#{resource.action_separator}#{action_path}.:format",action_options)
|
|
end
|
|
end
|
|
|
|
show_action_options = action_options_for("show", resource)
|
|
map.named_route("#{resource.name_prefix}#{resource.singular}", resource.member_path, show_action_options)
|
|
map.named_route("formatted_#{resource.name_prefix}#{resource.singular}", "#{resource.member_path}.:format", show_action_options)
|
|
|
|
update_action_options = action_options_for("update", resource)
|
|
map.connect(resource.member_path, update_action_options)
|
|
map.connect("#{resource.member_path}.:format", update_action_options)
|
|
|
|
destroy_action_options = action_options_for("destroy", resource)
|
|
map.connect(resource.member_path, destroy_action_options)
|
|
map.connect("#{resource.member_path}.:format", destroy_action_options)
|
|
end
|
|
|
|
def add_conditions_for(conditions, method)
|
|
returning({:conditions => conditions.dup}) do |options|
|
|
options[:conditions][:method] = method unless method == :any
|
|
end
|
|
end
|
|
|
|
def action_options_for(action, resource, method = nil)
|
|
default_options = { :action => action.to_s }
|
|
require_id = !resource.kind_of?(SingletonResource)
|
|
case default_options[:action]
|
|
when "index", "new"; default_options.merge(add_conditions_for(resource.conditions, method || :get)).merge(resource.requirements)
|
|
when "create"; default_options.merge(add_conditions_for(resource.conditions, method || :post)).merge(resource.requirements)
|
|
when "show", "edit"; default_options.merge(add_conditions_for(resource.conditions, method || :get)).merge(resource.requirements(require_id))
|
|
when "update"; default_options.merge(add_conditions_for(resource.conditions, method || :put)).merge(resource.requirements(require_id))
|
|
when "destroy"; default_options.merge(add_conditions_for(resource.conditions, method || :delete)).merge(resource.requirements(require_id))
|
|
else default_options.merge(add_conditions_for(resource.conditions, method)).merge(resource.requirements)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
class ActionController::Routing::RouteSet::Mapper
|
|
include ActionController::Resources
|
|
end
|