Thoth::PostController

# File lib/thoth/controller/post.rb, line 104
def atom(name = nil)
  error_404 unless name && post = Post.get(name)

  # Permanently redirect id-based URLs to name-based URLs to reduce search
  # result dupes and improve pagerank.
  raw_redirect(post.atom_url, :status => 301) if name =~ /^\d+$/

  comments = post.comments.reverse_order.limit(20)
  updated  = comments.count > 0 ? comments.first.created_at.xmlschema :
      post.created_at.xmlschema

  response['Content-Type'] = 'application/atom+xml'

  x = Builder::XmlMarkup.new(:indent => 2)
  x.instruct!

  x.feed(:xmlns => 'http://www.w3.org/2005/Atom') {
    x.id       post.url
    x.title    "Comments on \"#{post.title}\" - #{Config.site.name}"
    x.updated  updated
    x.link     :href => post.url
    x.link     :href => post.atom_url, :rel => 'self'

    comments.all do |comment|
      x.entry {
        x.id        comment.url
        x.title     comment.title
        x.published comment.created_at.xmlschema
        x.updated   comment.updated_at.xmlschema
        x.link      :href => comment.url, :rel => 'alternate'
        x.content   comment.body_rendered, :type => 'html'

        x.author {
          x.name comment.author

          if comment.author_url && !comment.author_url.empty?
            x.uri comment.author_url
          end
        }
      }
    end
  }
end

# File lib/thoth/controller/post.rb, line 148
def delete(id = nil)
  require_auth

  error_404 unless id && @post = Post[id]

  if request.post?
    error_403 unless form_token_valid?

    if request[:confirm] == 'yes'
      @post.destroy
      action_cache.clear
      flash[:success] = 'Blog post deleted.'
      redirect(R(MainController))
    else
      redirect(@post.url)
    end
  end

  @title          = "Delete Post: #{@post.title}"
  @show_post_edit = true
end

# File lib/thoth/controller/post.rb, line 170
def edit(id = nil)
  require_auth

  unless @post = Post[id]
    flash[:error] = 'Invalid post id.'
    redirect(Rs(:new))
  end

  if request.post?
    error_403 unless form_token_valid?

    @post.name  = request[:name] if request[:name] && !request[:name].empty?
    @post.title = request[:title]
    @post.body  = request[:body]
    @post.tags  = request[:tags]

    if @post.valid? && request[:action] == 'Post'
      begin
        Thoth.db.transaction do
          raise unless @post.save && @post.tags = request[:tags]
        end
      rescue => e
        @post_error = "There was an error saving your post: #{e}"
      else
        action_cache.clear
        flash[:success] = 'Blog post saved.'
        redirect(Rs(@post.name))
      end
    end
  end

  @title          = "Edit blog post - #{@post.title}"
  @form_action    = Rs(:edit, id)
  @show_post_edit = true
end

# File lib/thoth/controller/post.rb, line 42
def index(name = nil)
  error_404 unless name && @post = Post.get(name)

  # Permanently redirect id-based URLs to name-based URLs to reduce search
  # result dupes and improve pagerank.
  raw_redirect(@post.url, :status => 301) if name =~ /^\d+$/

  if request.post? && Config.site.enable_comments
    # Dump the request if the robot traps were triggered.
    error_404 unless request['captcha'].empty? && request['comment'].empty?

    # Create a new comment.
    comment = Comment.new do |c|
      c.post_id    = @post.id
      c.author     = request[:author]
      c.author_url = request[:author_url]
      c.title      = request[:title]
      c.body       = request[:body]
      c.ip         = request.ip
    end

    # Set cookies.
    expire = Time.now + 5184000 # two months from now

    response.set_cookie(:thoth_author, :expires => expire, :path => '/',
        :value => comment.author)
    response.set_cookie(:thoth_author_url, :expires => expire, :path => '/',
        :value => comment.author_url)

    if comment.valid? && request[:action] == 'Post Comment'
      begin
        raise unless comment.save
      rescue => e
        @comment_error = 'There was an error posting your comment. ' <<
            'Please try again later.'
      else
        flash[:success] = 'Comment posted.'
        redirect(Rs(@post.name) + "#comment-#{comment.id}")
      end
    end

    @author     = comment.author
    @author_url = comment.author_url
    @preview    = comment
  else
    @author     = cookie(:thoth_author, '')
    @author_url = cookie(:thoth_author_url, '')
  end

  @title = @post.title

  if Config.site.enable_comments
    @feeds = [{
      :href  => @post.atom_url,
      :title => 'Comments on this post',
      :type  => 'application/atom+xml'
    }]
  end

  @show_post_edit = true
end

# File lib/thoth/controller/post.rb, line 206
def list(page = 1)
  require_auth

  page = page.to_i

  @columns  = [:id, :title, :created_at, :updated_at]
  @order    = (request[:order] || :desc).to_sym
  @sort     = (request[:sort]  || :created_at).to_sym
  @sort     = :created_at unless @columns.include?(@sort)
  @sort_url = Rs(:list, page)

  @posts = Post.paginate(page, 20).order(@order == :desc ? @sort.desc :
      @sort)

  @title = "Blog Posts (page #{page} of #{[@posts.page_count, 1].max})"
  @pager = pager(@posts, Rs(:list, '%s', :sort => @sort, :order => @order))
end

# File lib/thoth/controller/post.rb, line 224
def new
  require_auth

  @title       = "New blog post - Untitled"
  @form_action = Rs(:new)

  if request.post?
    error_403 unless form_token_valid?

    @post = Post.new do |p|
      p.name  = request[:name] if request[:name] && !request[:name].empty?
      p.title = request[:title]
      p.body  = request[:body]
      p.tags  = request[:tags]
    end

    if @post.valid? && request[:action] == 'Post'
      begin
        Thoth.db.transaction do
          raise unless @post.save && @post.tags = request[:tags]
        end
      rescue => e
        @post_error = "There was an error saving your post: #{e}"
      else
        action_cache.clear
        flash[:success] = 'Blog post created.'
        redirect(Rs(@post.name))
      end
    end

    @title = "New blog post - #{@post.title}"
  end
end