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Remove explicit prefix_options parameter for ActiveResource::Base#initialize. Allow ActiveResource::Base.delete with custom prefix. Add ActiveResource::Base#dup [Rick]

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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6568 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
This commit is contained in:
Rick Olson 2007-04-24 16:05:20 +00:00
parent fe218684d5
commit 208d12d15d
3 changed files with 98 additions and 24 deletions
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7
activeresource/CHANGELOG
View file

@ -1,5 +1,12 @@
*SVN*
* Remove explicit prefix_options parameter for ActiveResource::Base#initialize. [Rick]
ActiveResource splits the prefix_options from it automatically.
* Allow ActiveResource::Base.delete with custom prefix. [Rick]
* Add ActiveResource::Base#dup [Rick]
* Fixed constant warning when fetching the same object multiple times [DHH]
* Added that saves which get a body response (and not just a 201) will use that response to update themselves [DHH]

87
activeresource/lib/active_resource/base.rb
View file

@ -41,10 +41,16 @@ module ActiveResource
def prefix(options={})
default = site.path
default << '/' unless default[-1..-1] == '/'
# generate the actual method based on the current site path
self.prefix = default
prefix(options)
end
def prefix_source
prefix # generate #prefix and #prefix_source methods first
prefix_source
end
# Sets the resource prefix
# prefix/collectionname/1.xml
def prefix=(value = '/')
@ -67,12 +73,26 @@ module ActiveResource
alias_method :set_element_name, :element_name= #:nodoc:
alias_method :set_collection_name, :collection_name= #:nodoc:
def element_path(id, options = {})
"#{prefix(options)}#{collection_name}/#{id}.xml#{query_string(options)}"
# Gets the element path for the given ID. If no query_options are given, they are split from the prefix options:
#
# Post.element_path(1) # => /posts/1.xml
# Comment.element_path(1, :post_id => 5) # => /posts/5/comments/1.xml
# Comment.element_path(1, :post_id => 5, :active => 1) # => /posts/5/comments/1.xml?active=1
# Comment.element_path(1, {:post_id => 5}, {:active => 1}) # => /posts/5/comments/1.xml?active=1
def element_path(id, prefix_options = {}, query_options = nil)
prefix_options, query_options = split_options(prefix_options) if query_options.nil?
"#{prefix(prefix_options)}#{collection_name}/#{id}.xml#{query_string(query_options)}"
end
def collection_path(options = {})
"#{prefix(options)}#{collection_name}.xml#{query_string(options)}"
# Gets the collection path. If no query_options are given, they are split from the prefix options:
#
# Post.collection_path # => /posts.xml
# Comment.collection_path(:post_id => 5) # => /posts/5/comments.xml
# Comment.collection_path(:post_id => 5, :active => 1) # => /posts/5/comments.xml?active=1
# Comment.collection_path({:post_id => 5}, {:active => 1}) # => /posts/5/comments.xml?active=1
def collection_path(prefix_options = {}, query_options = nil)
prefix_options, query_options = split_options(prefix_options) if query_options.nil?
"#{prefix(prefix_options)}#{collection_name}.xml#{query_string(query_options)}"
end
alias_method :set_primary_key, :primary_key= #:nodoc:
@ -88,8 +108,8 @@ module ActiveResource
# has not been saved then <tt>resource.valid?</tt> will return <tt>false</tt>,
# while <tt>resource.new?</tt> will still return <tt>true</tt>.
#
def create(attributes = {}, prefix_options = {})
returning(self.new(attributes, prefix_options)) { |res| res.save }
def create(attributes = {})
returning(self.new(attributes)) { |res| res.save }
end
# Core method for finding resources. Used similarly to ActiveRecord's find method.
@ -106,8 +126,8 @@ module ActiveResource
end
end
def delete(id)
connection.delete(element_path(id))
def delete(id, options = {})
connection.delete(element_path(id, options))
end
# Evalutes to <tt>true</tt> if the resource is found.
@ -120,14 +140,22 @@ module ActiveResource
private
# Find every resource.
def find_every(options)
collection = connection.get(collection_path(options)) || []
collection.collect! { |element| new(element) }
prefix_options, query_options = split_options(options)
collection = connection.get(collection_path(prefix_options, query_options)) || []
collection.collect! do |element|
returning new(element.merge(prefix_options)) do |resource|
resource.prefix_options = prefix_options
end
end
end
# Find a single resource.
# { :person => person1 }
def find_single(scope, options)
new(connection.get(element_path(scope, options)), options)
prefix_options, query_options = split_options(options)
returning new(connection.get(element_path(scope, prefix_options, query_options))) do |resource|
resource.prefix_options = prefix_options
end
end
# Accepts a URI and creates the site URI from that.
@ -135,25 +163,34 @@ module ActiveResource
site.is_a?(URI) ? site.dup : URI.parse(site)
end
# contains a set of the current prefix parameters.
def prefix_parameters
@prefix_parameters ||= prefix_source.scan(/:\w+/).map { |key| key[1..-1].to_sym }.to_set
end
# Builds the query string for the request.
def query_string(options)
# Omit parameters which appear in the URI path.
query_params = options.reject { |key, value| prefix_parameters.include?(key) }
"?#{query_params.to_query}" unless query_params.empty?
"?#{options.to_query}" unless options.empty?
end
# split an option hash into two hashes, one containing the prefix options,
# and the other containing the leftovers.
def split_options(options = {})
prefix_options = {}; query_options = {}
options.each do |key, value|
(prefix_parameters.include?(key) ? prefix_options : query_options)[key] = value
end
[prefix_options, query_options]
end
end
attr_accessor :attributes #:nodoc:
attr_accessor :prefix_options #:nodoc:
def initialize(attributes = {}, prefix_options = {})
@attributes = {}
def initialize(attributes = {})
@attributes = {}
@prefix_options = {}
load(attributes)
@prefix_options = prefix_options
end
# Is the resource a new object?
@ -186,6 +223,13 @@ module ActiveResource
def hash
id.hash
end
def dup
returning new do |resource|
resource.attributes = @attributes
resource.prefix_options = @prefix_options
end
end
# Delegates to +create+ if a new object, +update+ if its old. If the response to the save includes a body,
# it will be assumed that this body is XML for the final object as it looked after the save (which would include
@ -218,6 +262,7 @@ module ActiveResource
# resources.
def load(attributes)
raise ArgumentError, "expected an attributes Hash, got #{attributes.inspect}" unless attributes.is_a?(Hash)
@prefix_options, attributes = split_options(attributes)
attributes.each do |key, value|
@attributes[key.to_s] =
case value
@ -227,8 +272,6 @@ module ActiveResource
when Hash
resource = find_or_create_resource_for(key)
resource.new(value)
when ActiveResource::Base
value.class.new(value.attributes, value.prefix_options)
else
value.dup rescue value
end
@ -243,7 +286,7 @@ module ActiveResource
# Update the resource on the remote service.
def update
connection.put(element_path, to_xml)
connection.put(element_path(prefix_options), to_xml)
end
# Create (i.e., save to the remote service) the new resource.
@ -287,6 +330,10 @@ module ActiveResource
resource
end
def split_options(options = {})
self.class.send(:split_options, options)
end
def method_missing(method_symbol, *arguments) #:nodoc:
method_name = method_symbol.to_s

28
activeresource/test/base_test.rb
View file

@ -112,6 +112,10 @@ class BaseTest < Test::Unit::TestCase
assert_equal '/people/1/addresses/1.xml?type%5B%5D=work&type%5B%5D=play+time', StreetAddress.element_path(1, :person_id => 1, :type => ['work', 'play time'])
end
def test_custom_element_path_with_prefix_and_parameters
assert_equal '/people/1/addresses/1.xml?type=work', StreetAddress.element_path(1, {:person_id => 1}, {:type => 'work'})
end
def test_custom_collection_path
assert_equal '/people/1/addresses.xml', StreetAddress.collection_path(:person_id => 1)
end
@ -120,6 +124,10 @@ class BaseTest < Test::Unit::TestCase
assert_equal '/people/1/addresses.xml?type=work', StreetAddress.collection_path(:person_id => 1, :type => 'work')
end
def test_custom_collection_path_with_prefix_and_parameters
assert_equal '/people/1/addresses.xml?type=work', StreetAddress.collection_path({:person_id => 1}, {:type => 'work'})
end
def test_custom_element_name
assert_equal 'address', StreetAddress.element_name
end
@ -207,7 +215,7 @@ class BaseTest < Test::Unit::TestCase
end
def test_create_with_custom_prefix
matzs_house = StreetAddress.new({}, { :person_id => 1 })
matzs_house = StreetAddress.new(:person_id => 1)
matzs_house.save
assert_equal '5', matzs_house.id
end
@ -272,11 +280,23 @@ class BaseTest < Test::Unit::TestCase
ActiveResource::HttpMock.respond_to do |mock|
mock.get "/people/1/addresses/1.xml", {}, nil, 404
end
assert_raises(ActiveResource::ResourceNotFound) { StreetAddress.find(1, :person_id => 1).destroy }
assert_raises(ActiveResource::ResourceNotFound) { StreetAddress.find(1, :person_id => 1) }
end
def test_delete
assert Person.delete(1)
ActiveResource::HttpMock.respond_to do |mock|
mock.get "/people/1.xml", {}, nil, 404
end
assert_raises(ActiveResource::ResourceNotFound) { Person.find(1) }
end
def test_delete_with_custom_prefix
assert StreetAddress.delete(1, :person_id => 1)
ActiveResource::HttpMock.respond_to do |mock|
mock.get "/people/1/addresses/1.xml", {}, nil, 404
end
assert_raises(ActiveResource::ResourceNotFound) { StreetAddress.find(1, :person_id => 1) }
end
def test_exists
@ -297,8 +317,8 @@ class BaseTest < Test::Unit::TestCase
# Nested instance method.
assert StreetAddress.find(1, :person_id => 1).exists?
assert !StreetAddress.new({:id => 1}, {:person_id => 2}).exists?
assert !StreetAddress.new({:id => 2}, {:person_id => 1}).exists?
assert !StreetAddress.new({:id => 1, :person_id => 2}).exists?
assert !StreetAddress.new({:id => 2, :person_id => 1}).exists?
end
def test_to_xml