122 lines
3.7 KiB
Ruby
122 lines
3.7 KiB
Ruby
# The NodeController is the RESTful interface to Node objects
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class NodeController < ApplicationController
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require 'xml/libxml'
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session :off
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before_filter :authorize, :only => [:create, :update, :delete]
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before_filter :check_write_availability, :only => [:create, :update, :delete]
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before_filter :check_read_availability, :except => [:create, :update, :delete]
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after_filter :compress_output
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# Create a node from XML.
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def create
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begin
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if request.put?
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node = Node.from_xml(request.raw_post, true)
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if node
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node.create_with_history @user
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render :text => node.id.to_s, :content_type => "text/plain"
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else
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render :nothing => true, :status => :bad_request
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end
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else
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render :nothing => true, :status => :method_not_allowed
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end
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rescue OSM::APIError => ex
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render ex.render_opts
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end
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end
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# Dump the details on a node given in params[:id]
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def read
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begin
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node = Node.find(params[:id])
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if node.visible?
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response.headers['Last-Modified'] = node.timestamp.rfc822
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render :text => node.to_xml.to_s, :content_type => "text/xml"
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else
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render :text => "", :status => :gone
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end
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rescue ActiveRecord::RecordNotFound
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render :nothing => true, :status => :not_found
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end
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end
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# Dump a specific version of the node based on the given params[:id] and params[:version]
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def version
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begin
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node = Node.find(:first, :conditions => { :id => params[:id], :version => params[:version] } )
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if node.visible
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response.headers['Last-Modified'] = node.timestamp.rfc822
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render :text => node.to_xml.to_s, :content_type => "text/xml"
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else
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render :nothing => true, :status => :gone
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end
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rescue ActiveRecord::RecordNotFound
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render :nothing => true, :status => :not_found
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end
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end
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# Update a node from given XML
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def update
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begin
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node = Node.find(params[:id])
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new_node = Node.from_xml(request.raw_post)
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if new_node and new_node.id == node.id
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node.update_from(new_node, @user)
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render :text => node.version.to_s, :content_type => "text/plain"
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else
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render :nothing => true, :status => :bad_request
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end
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rescue OSM::APIError => ex
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render ex.render_opts
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rescue ActiveRecord::RecordNotFound
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render :nothing => true, :status => :not_found
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end
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end
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# Delete a node. Doesn't actually delete it, but retains its history in a wiki-like way.
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# FIXME remove all the fricking SQL
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def delete
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begin
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node = Node.find(params[:id])
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new_node = Node.from_xml(request.raw_post)
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# FIXME we no longer care about the user, (or maybe we want to check
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# that the user of the changeset is the same user as is making this
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# little change?) we really care about the
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# changeset which must be open, and that the version that we have been
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# given is the one that is currently stored in the database
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if new_node and new_node.id == node.id
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node.delete_with_history(new_node, @user)
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render :nothing => true
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else
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render :nothing => true, :status => :bad_request
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end
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rescue ActiveRecord::RecordNotFound
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render :nothing => true, :status => :not_found
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rescue OSM::APIError => ex
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render ex.render_opts
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end
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end
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# WTF does this do?
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def nodes
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ids = params['nodes'].split(',').collect { |n| n.to_i }
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if ids.length > 0
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doc = OSM::API.new.get_xml_doc
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Node.find(ids).each do |node|
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doc.root << node.to_xml_node
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end
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render :text => doc.to_s, :content_type => "text/xml"
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else
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render :nothing => true, :status => :bad_request
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end
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end
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end
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