link_thumbnailer.rb in link_thumbnailer-2.0.0

- old
+ new
@@ -1,119 +1,36 @@
-require 'link_thumbnailer/configuration'
-require 'link_thumbnailer/object'
-require 'link_thumbnailer/fetcher'
-require 'link_thumbnailer/doc_parser'
-require 'link_thumbnailer/doc'
-require 'link_thumbnailer/img_url_filter'
-require 'link_thumbnailer/img_parser'
-require 'link_thumbnailer/img_comparator'
-require 'link_thumbnailer/web_image'
-require 'link_thumbnailer/opengraph'
-require 'link_thumbnailer/version'
-
-module LinkThumbnailer
-
-  module Rails
-    autoload :Routes, 'link_thumbnailer/rails/routes'
-  end
-
-  class << self
-
-    attr_accessor :configuration, :object, :fetcher, :doc_parser,
-                  :img_url_filters, :img_parser, :logger
-
-    def logger
-      @logger ||= ::Rails.logger
-    end
-
-    def config
-      self.configuration ||= Configuration.new(
-        mandatory_attributes: %w(url title images),
-        strict:               true,
-        redirect_limit:       3,
-        blacklist_urls:       [
-          %r{^http://ad\.doubleclick\.net/},
-          %r{^http://b\.scorecardresearch\.com/},
-          %r{^http://pixel\.quantserve\.com/},
-          %r{^http://s7\.addthis\.com/}
-        ],
-        image_attributes:     %w(source_url size type),
-        limit:                10,
-        top:                  5,
-        user_agent:           'linkthumbnailer',
-        verify_ssl:           true,
-        http_timeout:         5
-      )
-    end
-
-    def configure
-      yield config
-    end
-
-    def generate(url, options = {})
-      set_options(options)
-      instantiate_classes
-
-      doc = doc_parser.parse(fetcher.fetch(url), url)
-
-      self.object[:url] = fetcher.url.to_s
-      opengraph(doc) || custom(doc)
-    end
-
-    private
-
-    def set_options(options)
-      config
-      options.each {|k, v| config[k] = v }
-    end
-
-    def instantiate_classes
-      self.object           = LinkThumbnailer::Object.new
-      self.fetcher          = LinkThumbnailer::Fetcher.new
-      self.doc_parser       = LinkThumbnailer::DocParser.new
-      self.img_url_filters  = [LinkThumbnailer::ImgUrlFilter.new]
-      self.img_parser       = LinkThumbnailer::ImgParser.new(fetcher, img_url_filters)
-    end
-
-    def opengraph(doc)
-      return unless opengraph?(doc)
-      self.object = LinkThumbnailer::Opengraph.parse(object, doc)
-      return object if object.valid?
-      nil
-    end
-
-    def custom(doc)
-      self.object[:title]       = doc.title
-      self.object[:description] = doc.description
-      self.object[:images]      = img_parser.parse(doc.img_abs_urls.dup)
-      self.object[:url]         = doc.canonical_url || object[:url]
-      return object if object.valid?
-      nil
-    end
-
-    def opengraph?(doc)
-      !doc.xpath('//meta[starts-with(@property, "og:") and @content]').empty?
-    end
-
-  end
-
-end
-
-begin
-  require 'rails'
-rescue LoadError
-end
-
-$stderr.puts <<-EOC if !defined?(Rails)
-warning: no framework detected.
-
-Your Gemfile might not be configured properly.
----- e.g. ----
-Rails:
-    gem 'link_thumbnailer'
-
-EOC
-
-if defined?(Rails)
-  require 'link_thumbnailer/engine'
-  require 'link_thumbnailer/railtie'
-end
+require 'json'
+require 'link_thumbnailer/version'
+require 'link_thumbnailer/configuration'
+require 'link_thumbnailer/exceptions'
+require 'link_thumbnailer/page'
+
+module LinkThumbnailer
+
+  class << self
+
+    attr_reader :page
+
+    def generate(url, options = {})
+      @page = ::LinkThumbnailer::Page.new(url, options)
+
+      page.generate
+    end
+
+  end
+
+end
+
+begin
+  require 'rails'
+rescue LoadError
+end
+
+$stderr.puts <<-EOC if !defined?(Rails)
+warning: no framework detected.
+
+Your Gemfile might not be configured properly.
+---- e.g. ----
+Rails:
+    gem 'link_thumbnailer'
+
+EOC