Initial implementation

LICENSE

@@ -0,0 +1,20 @@
+Copyright (c) 2012 Rafael Fernández López <ereslibre@ereslibre.es>
+
+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.

inferred_slug.gemspec

@@ -1,29 +1,3 @@
-# encoding: UTF-8
-
-# Copyright (c) 2012 Rafael Fernández López <ereslibre@ereslibre.es>
-#
-# 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.
-
 $LOAD_PATH.unshift File.expand_path('../lib', __FILE__)
 require 'inferred_slug/version'
 

lib/generators/inferred_slug/install/install_generator.rb

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+require 'rails/generators'
+
+module InferredSlug
+  module Generators
+    class InstallGenerator < ::Rails::Generators::Base
+
+      desc "This generator installs inferred slugs on all your models"
+      source_root File.expand_path('templates', __FILE__)
+
+      def copy_slug_hook
+        say_status "copying", "slug global hook", :green
+        copy_file "slug.rb", "config/initializers/slug.rb"
+      end
+
+    end
+  end
+end

lib/generators/inferred_slug/install/templates/slug.rb

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+#
+# This generator automatically adds slugs to all your models. If you want to use
+# inferred slugs on individual models, delete this file and make your desired
+# models include the 'Slug' module. This is:
+#
+#   class MyModel < ActiveRecord::Base
+#     include Slug
+#   end
+#
+class ActiveRecord::Base
+  include InferredSlug::Slug
+end

lib/inferred_slug.rb

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+require 'inferred_slug/slug'
+require 'inferred_slug/finders'

lib/inferred_slug/finders.rb

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+module InferredSlug
+  module Finders
+
+    def find_by_slug(*args)
+      record = find(*args)
+      if record && record.respond_to? :slug
+        return nil unless record.slug == args.first
+      end
+      record
+    end
+
+    def find_by_slug!(*args)
+      find_by_slug(*args) || raise ActiveRecord::RecordNotFound
+    end
+
+  end
+end
+
+class ActiveRecord::Base
+  extend InferredSlug::Finders
+end

lib/inferred_slug/slug.rb

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+module InferredSlug
+  module Slug
+
+    def slug
+      if !respond_to?(:name) || name.empty?
+        id
+      else
+        "#{id}-#{name}".to_url
+      end
+    end
+
+    def to_param
+      slug
+    end
+
+  end
+end