78 lines
2.5 KiB
Ruby
78 lines
2.5 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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skip_before_action :verify_authenticity_token
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before_action :authorize, :only => [:create, :update, :delete]
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before_action :require_allow_write_api, :only => [:create, :update, :delete]
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before_action :require_public_data, :only => [:create, :update, :delete]
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before_action :check_api_writable, :only => [:create, :update, :delete]
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before_action :check_api_readable, :except => [:create, :update, :delete]
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around_action :api_call_handle_error, :api_call_timeout
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# Create a node from XML.
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def create
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assert_method :put
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node = Node.from_xml(request.raw_post, true)
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# Assume that Node.from_xml has thrown an exception if there is an error parsing the xml
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node.create_with_history current_user
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render :plain => node.id.to_s
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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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node = Node.find(params[:id])
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response.last_modified = node.timestamp
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if node.visible
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render :xml => node.to_xml.to_s
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else
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head :gone
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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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node = Node.find(params[:id])
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new_node = Node.from_xml(request.raw_post)
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raise OSM::APIBadUserInput, "The id in the url (#{node.id}) is not the same as provided in the xml (#{new_node.id})" unless new_node && new_node.id == node.id
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node.update_from(new_node, current_user)
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render :plain => node.version.to_s
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end
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# Delete a node. Doesn't actually delete it, but retains its history
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# in a wiki-like way. We therefore treat it like an update, so the delete
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# method returns the new version number.
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def delete
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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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raise OSM::APIBadUserInput, "The id in the url (#{node.id}) is not the same as provided in the xml (#{new_node.id})" unless new_node && new_node.id == node.id
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node.delete_with_history!(new_node, current_user)
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render :plain => node.version.to_s
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end
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# Dump the details on many nodes whose ids are given in the "nodes" parameter.
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def nodes
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raise OSM::APIBadUserInput, "The parameter nodes is required, and must be of the form nodes=id[,id[,id...]]" unless params["nodes"]
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ids = params["nodes"].split(",").collect(&:to_i)
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raise OSM::APIBadUserInput, "No nodes were given to search for" if ids.empty?
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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 :xml => doc.to_s
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end
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end
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