Class: Hobix::Facets::Comments

Inherits:
BaseFacet show all
Defined in:
lib/hobix/facets/comments.rb

Overview

The Comments plugin adds a remote API for adding comments. Basically, to add comments to your site, ensure the plugin is loaded within your hobix.yaml ‘requires’ list:

requires:
- hobix/facets/comments

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from BaseFacet

not_found, #protect

Methods inherited from BasePlugin

inherited, start

Constructor Details

#initialize(weblog, defaults = {}) ⇒ Comments

Returns a new instance of Comments.



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# File 'lib/hobix/facets/comments.rb', line 34

def initialize( weblog, defaults = {} )
    @weblog = weblog
end

Class Method Details

.comment_class ⇒ Object 



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# File 'lib/hobix/facets/comments.rb', line 32

def self.comment_class; Hobix::Comment end

.comment_fields ⇒ Object 



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# File 'lib/hobix/facets/comments.rb', line 31

def self.comment_fields; ['author', 'content']; end

.form_field(name) ⇒ Object 



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# File 'lib/hobix/facets/comments.rb', line 30

def self.form_field( name ); "hobix_comment:#{ name }" end

Instance Method Details

#get(app) ⇒ Object 



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# File 'lib/hobix/facets/comments.rb', line 37

def get app
    if app.respond_to? :action_uri
        action, entry_id = app.action_uri.split( '/', 2 )
        case action
        when "comment"
            # Create the comment entry
            on_entry = @weblog.storage.load_entry( entry_id )
            comment = Comments.comment_class.new do |c|
                Comments.comment_fields.each do |cf|
                    getf = Comments.form_field cf
                    if app._POST[getf].to_s.empty?
                        app.puts "Missing field `#{ getf }'.  Please back up and try again."
                        return true
                    end
                    c.method( "#{ cf }=" ).call( app._POST[getf] )
                end
                c.created = Time.now
                c.ipaddress = app.remote_addr
            end

           # A quick hack to try akismet content spam checking
           if @weblog.requires.detect{ |i| i['hobix/plugin/akismet'] }         
               @akismet = Akismet.new(@weblog.link, AkismetKey.key)
               if @akismet.verifyAPIKey
                   if @akismet.commentCheck(
                           app.remote_addr,                            # remote IP
                           app.get_request_header('User-Agent'),       # user agent
                           app.get_request_header('Referer'),          # http referer
                           '',                                         # permalink
                           'comment',                                  # comment type
                           app._POST['hobix_comment:author'].to_s,     # author name
                           '',                                         # author email
                           '',                                         # author url
                           app._POST['hobix_comment:comment'].to_s,    # comment text
                           {})                                         # other
                       app.puts( "Sorry, that smelled like spam. If wasn't meant to, go back and try again" )
                       return true
                   end
               else
                   # If the key does not verify, post the comment
                   # but note the failure in the apache error logs.
                   $stderr.puts( "Hobix: Akismet API key did not verify." )
               end
           end
               
           # Save the comment, upgen
           @weblog.storage.append_to_attachment( entry_id, 'comments', comment )
           @weblog.regenerate :update
           
           # Redirect
            link = @weblog.output_entry_map[entry_id]
            app.setup_redirection( 302, @weblog.expand_path( link[:page].link ) )
            return true
        when "preview"
            app.puts RedCloth.new( app._POST[Comments.form_field('content')] ).to_html
            return true
        end
    end
end