99 lines
2.4 KiB
Ruby
99 lines
2.4 KiB
Ruby
class OldWay < ActiveRecord::Base
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set_table_name 'ways'
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belongs_to :user
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def self.from_way(way)
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old_way = OldWay.new
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old_way.user_id = way.user_id
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old_way.timestamp = way.timestamp
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old_way.id = way.id
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old_way.segs = way.segs
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old_way.tags = way.tags
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return old_way
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end
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def save_with_dependencies
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# dont touch this unless you really have figured out why it's called
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# (Rails doesn't deal well with the old ways table (called 'ways') because
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# it doesn't have a unique key. It knows how to insert and auto_increment
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# id and get it back but we have that and we want to get the 'version' back
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# we could add another column but thats a lot of data. No, set_primary_key
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# doesn't work either.
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save()
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clear_aggregation_cache
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clear_association_cache
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@attributes.update(OldWay.find(:first, :conditions => ['id = ? AND timestamp = ?', self.id, self.timestamp]).instance_variable_get('@attributes'))
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# ok, you can touch from here on
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self.tags.each do |k,v|
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tag = OldWayTag.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.version = self.version
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tag.save
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end
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i = 0
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self.segs.each do |n|
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seg = OldWaySegment.new
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seg.id = self.id
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seg.segment_id = n
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seg.version = self.version
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seg.save
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end
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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 segs=(s)
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@segs = s
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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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# has_many :way_segments, :class_name => 'OldWaySegment', :foreign_key => 'id'
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# has_many :way_tags, :class_name => 'OldWayTag', :foreign_key => 'id'
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def old_segments
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OldWaySegment.find(:all, :conditions => ['id = ? AND version = ?', self.id, self.version])
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end
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def old_tags
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OldWayTag.find(:all, :conditions => ['id = ? AND version = ?', self.id, self.version])
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end
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def to_xml_node
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el1 = XML::Node.new 'way'
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el1['id'] = self.id.to_s
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el1['visible'] = self.visible.to_s
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el1['timestamp'] = self.timestamp.xmlschema
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self.old_segments.each do |seg| # FIXME need to make sure they come back in the right order
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e = XML::Node.new 'seg'
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e['id'] = seg.segment_id.to_s
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el1 << e
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end
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self.old_tags.each do |tag|
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e = XML::Node.new 'tag'
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e['k'] = tag.k
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e['v'] = tag.v
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el1 << e
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end
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return el1
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end
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end
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