81 lines
1.3 KiB
Ruby
81 lines
1.3 KiB
Ruby
class Way < ActiveRecord::Base
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require 'xml/libxml'
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belongs_to :user
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set_table_name 'current_ways'
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def self.from_xml(xml, create=false)
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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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way = Way.new
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doc.find('//osm/way').each do |pt|
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if !create and pt['id'] != '0'
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way.id = pt['id'].to_i
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end
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if create
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way.timestamp = Time.now
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way.visible = true
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else
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if pt['timestamp']
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way.timestamp = Time.parse(pt['timestamp'])
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end
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end
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pt.find('tag').each do |tag|
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way.add_tag_keyval(tag['k'], tag['v'])
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end
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pt.find('seg').each do |seg|
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way.add_seg_num(seg['id'])
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end
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end
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return way
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end
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def segs
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@segs = Array.new unless @segs
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@segs
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end
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def tags
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@tags = Hash.new unless @tags
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@tags
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end
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def add_seg_num(n)
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@segs = Array.new unless @segs
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@segs << n.to_i
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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_history
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t = Time.now
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self.timestamp = t
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self.save
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WayTag.delete_all(['id = ?', self.id])
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self.tags.each do |k,v|
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tag = WayTag.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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old_way = OldWay.from_way(self)
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old_way.save
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end
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end
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