First Commit

MIT-LICENSE

@@ -0,0 +1,20 @@
+Copyright (c) 2009 [name of plugin creator]
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README

@@ -0,0 +1,15 @@
+MultiAssignmentSanity
+====================
+
+Fixes issues with Multi-parameter Assignment failure
+
+
+Example
+=======
+
+  class Person < ActiveRecord::Base
+    sanitize_multi_assignment_errors :message => "{attr} has error: {error}"
+  end
+
+
+Copyright (c) 2009 Peter Wagenet, released under the MIT license

Rakefile

@@ -0,0 +1,22 @@
+require 'rake'
+require 'rake/testtask'
+require 'rake/rdoctask'
+
+desc 'Default: run unit tests.'
+task :default => :test
+
+desc 'Test the mass_assignment_sanity plugin.'
+Rake::TestTask.new(:test) do |t|
+  t.libs << 'lib'
+  t.pattern = 'test/**/*_test.rb'
+  t.verbose = true
+end
+
+desc 'Generate documentation for the mass_assignment_sanity plugin.'
+Rake::RDocTask.new(:rdoc) do |rdoc|
+  rdoc.rdoc_dir = 'rdoc'
+  rdoc.title    = 'MassAssignmentSanity'
+  rdoc.options << '--line-numbers' << '--inline-source'
+  rdoc.rdoc_files.include('README')
+  rdoc.rdoc_files.include('lib/**/*.rb')
+end

init.rb

@@ -0,0 +1 @@
+require 'multi_assignment_sanity'

lib/multi_assignment_sanity.rb

@@ -0,0 +1,45 @@
+module MultiAssignmentSanity
+
+  def self.included(base)
+    base.extend MultiAssignmentSanity::ActsMethods
+  end
+
+  module ActsMethods
+
+    def sanitize_multi_assignment_errors(options = {})
+      unless self.include?(MultiAssignmentSanity::InstanceMethods)
+        include MultiAssignmentSanity::InstanceMethods
+
+        cattr_accessor :multi_assignment_sanity_options
+        self.multi_assignment_sanity_options = options
+        self.multi_assignment_sanity_options[:message] ||= "has error: {error}"
+
+        validate :multi_parameter_errors
+      end
+    end
+
+  end
+
+  module InstanceMethods
+
+    def assign_multiparameter_attributes(pairs)
+      super
+    rescue ActiveRecord::MultiparameterAssignmentErrors => e
+      @multi_parameter_errors = e.errors
+    end
+
+    def multi_parameter_errors
+      return unless @multi_parameter_errors.is_a?(Array)
+      @multi_parameter_errors.each do |error|
+        message = self.class.multi_assignment_sanity_options[:message]
+        message.gsub!('{attr}', error.attribute.titleize)
+        message.gsub!('{error}', error.exception.message)
+        self.errors.add(error.attribute, message)
+      end
+      @multi_parameter_errors = []
+    end
+
+  end
+
+end
+ActiveRecord::Base.send(:include, MultiAssignmentSanity)

tasks/mass_assignment_sanity_tasks.rake

@@ -0,0 +1,4 @@
+# desc "Explaining what the task does"
+# task :mass_assignment_sanity do
+#   # Task goes here
+# end

test/multi_assignment_sanity_test.rb

@@ -0,0 +1,29 @@
+$LOAD_PATH << File.dirname(__FILE__) + '/../lib'
+
+require 'rubygems'
+require 'test/unit'
+
+# Use an earlier version of Rails where date still fails since this makes our testing easier
+gem 'activerecord', '<= 2.0.2'
+
+require 'active_record'
+require File.dirname(__FILE__) + '/../init'
+
+class MultiAssignmentModel < ActiveRecord::Base
+  # So we don't require an actual table
+  def self.columns
+    [ActiveRecord::ConnectionAdapters::Column.new('date', nil, 'date')]
+  end
+
+  sanitize_multi_assignment_errors
+end
+
+class MultiAssignmentSanityTest < Test::Unit::TestCase
+
+  def test_sanitize_multi_assignment_errors
+    obj = MultiAssignmentModel.new("date(1i)" => "2009", "date(2i)" => "6", "date(3i)" => "31")
+    assert !obj.valid?
+    assert_equal "has error: invalid date", obj.errors.on(:date)
+  end
+
+end