73 lines
1.2 KiB
Ruby
73 lines
1.2 KiB
Ruby
class Changeset < ActiveRecord::Base
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require 'xml/libxml'
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belongs_to :user
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has_many :changeset_tags, :foreign_key => 'id'
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def self.from_xml(xml, create=false)
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begin
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p = XML::Parser.new
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p.string = xml
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doc = p.parse
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cs = Changeset.new
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doc.find('//osm/changeset').each do |pt|
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if create
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cs.created_at = Time.now
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end
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pt.find('tag').each do |tag|
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cs.add_tag_keyval(tag['k'], tag['v'])
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end
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end
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rescue Exception => ex
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print "noes "+ ex.to_s + "\n"
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cs = nil
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end
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return cs
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end
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def tags
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unless @tags
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@tags = {}
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self.changeset_tags.each do |tag|
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@tags[tag.k] = tag.v
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end
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end
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@tags
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end
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def tags=(t)
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@tags = t
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end
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def add_tag_keyval(k, v)
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@tags = Hash.new unless @tags
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@tags[k] = v
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end
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def save_with_tags!
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t = Time.now
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Changeset.transaction do
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# fixme update modified_at time?
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self.save!
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end
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ChangesetTag.transaction do
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tags = self.tags
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ChangesetTag.delete_all(['id = ?', self.id])
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tags.each do |k,v|
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tag = ChangesetTag.new
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tag.k = k
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tag.v = v
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tag.id = self.id
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tag.save!
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end
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end
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end
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end
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