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class NodesController < ApplicationController
# Private
layout 'admin'
before_action :login_required
before_action :find_node, :only => [
:show,
:edit,
:update,
:destroy,
:publish,
:unlock,
:autosave,
:revert
]
def index
@nodes = Node.root.descendants.includes(:head, :draft)
.order('id DESC')
.paginate(:page => params[:page], :per_page => 25)
end
def new
@node = Node.new node_params
@selected_kind = CccConventions::NODE_KINDS.key?(params[:kind]) ? params[:kind] : "generic"
if params.has_key?(:parent_id)
@parent_id = params[:parent_id]
@parent_name = Node.find(@parent_id).title
end
end
def create
params[:title] ||= ""
@node = Node.new
@node.parent_id = find_parent
@node.slug = slug_for(params[:title])
config = CccConventions::NODE_KINDS[params[:kind]]
if @node.save
@node.draft.update(:title => params[:title])
Array(config && config[:tags]).each { |t| @node.draft.tag_list.add(t) }
@node.draft.save!
@node.update!(default_template_name: config[:template]) if config && config[:template]
redirect_to(edit_node_path(@node))
else
@selected_kind = CccConventions::NODE_KINDS.key?(params[:kind]) ? params[:kind] : "generic"
if params[:parent_id].present?
@parent_id = params[:parent_id]
@parent_name = Node.find(@parent_id).title
end
render :new
end
end
def show
node = Node.find(params[:id])
node.wipe_draft!
@page = node.draft || node.head
end
def edit
@node.lock_for_editing!( current_user )
@page = @node.autosave || @node.draft || @node.head
if @node.autosave
flash.now[:notice] =
"This page has unsaved changes from a previous session, shown below. " \
"Save to keep them, or use \"Discard changes\" below to go back to the last saved version."
end
rescue LockedByAnotherUser => e
flash[:error] = e.message
redirect_to(request.referer || node_path(@node))
end
def update
@node.update(node_params)
@node.autosave!( page_params.merge(:tag_list => params[:tag_list]), current_user )
@node.save_draft!(current_user)
flash[:notice] = "Draft has been saved: #{Time.now}"
if params[:commit] == "Save + Unlock + Exit"
@node.unlock!
redirect_to node_path(@node)
else
redirect_to edit_node_path(@node)
end
rescue LockedByAnotherUser => e
flash[:error] = e.message
redirect_to node_path(@node)
rescue ActiveRecord::RecordInvalid
@page = @node.autosave || @node.draft || @node.head
render :action => :edit
end
def autosave
@node.update(node_params)
@node.autosave!( page_params.merge(:tag_list => params[:tag_list]), current_user )
head :ok
rescue LockedByAnotherUser => e
render plain: e.message, status: :locked
rescue ActiveRecord::RecordInvalid => e
render plain: e.message, status: :unprocessable_entity
rescue StandardError => e
render plain: "Autosave failed", status: :internal_server_error
end
def revert
@node.lock_for_editing!(current_user)
@node.revert!(current_user)
if @node.draft
redirect_to edit_node_path(@node)
else
redirect_to node_path(@node)
end
rescue LockedByAnotherUser => e
flash[:error] = e.message
redirect_to node_path(@node)
end
def destroy
@node.destroy
end
def publish
@node.publish_draft!
flash[:notice] = "Draft has been published"
redirect_to node_path(@node)
end
def unlock
if @node.unlock!
flash[:notice] = "Node unlocked"
else
flash[:notice] = "Already unlocked"
end
redirect_to node_path(@node)
end
def generate_shared_preview
@node = Node.find(params[:id])
if @node.draft
@node.draft.ensure_preview_token!
flash[:notice] = "Shareable preview link created - see below."
else
flash[:notice] = "Create or edit a draft first - shared preview links are only available for pages with an active draft."
end
redirect_to node_path(@node)
end
def revoke_shared_preview
@node = Node.find(params[:id])
@node.draft.revoke_preview_token! if @node.draft
flash[:notice] = "Shareable preview link revoked."
redirect_to node_path(@node)
end
def parameterize_preview
render plain: slug_for(params[:title])
end
private
def slug_for(title)
title.to_s.parameterize
end
def node_params
params.fetch(:node, {}).permit(:slug, :parent_id, :staged_slug, :staged_parent_id)
end
def page_params
params.fetch(:page, {}).permit(:title, :abstract, :body, :template_name, :published_at, :user_id)
end
def find_node
@node = Node.find(params[:id])
end
def find_parent
case params[:kind]
when "generic"
if params[:parent_id] && Node.find(params[:parent_id])
params[:parent_id]
else
nil
end
else
config = CccConventions::NODE_KINDS[params[:kind]]
config && config[:parent] ? config[:parent].call.id : nil
end
end
end
|
