137 lines
3.4 KiB
Ruby
137 lines
3.4 KiB
Ruby
class OldRelation < ActiveRecord::Base
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include ConsistencyValidations
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set_table_name 'relations'
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belongs_to :changeset
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def self.from_relation(relation)
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old_relation = OldRelation.new
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old_relation.visible = relation.visible
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old_relation.changeset_id = relation.changeset_id
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old_relation.timestamp = relation.timestamp
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old_relation.id = relation.id
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old_relation.version = relation.version
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old_relation.members = relation.members
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old_relation.tags = relation.tags
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return old_relation
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end
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def save_with_dependencies!
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# see comment in old_way.rb ;-)
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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(OldRelation.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 = OldRelationTag.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 = 1
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self.members.each do |m|
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member = OldRelationMember.new
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member.id = self.id
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member.member_type = m[0]
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member.member_id = m[1]
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member.member_role = m[2]
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member.version = self.version
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member.save!
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end
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end
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def members
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unless @members
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@members = Array.new
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OldRelationMember.find(:all, :conditions => ["id = ? AND version = ?", self.id, self.version]).each do |m|
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@members += [[m.type,m.id,m.role]]
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end
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end
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@members
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end
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def tags
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unless @tags
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@tags = Hash.new
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OldRelationTag.find(:all, :conditions => ["id = ? AND version = ?", self.id, self.version]).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 = Hash.new unless @tags
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@tags
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end
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def members=(s)
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@members = 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 :relation_segments, :class_name => 'OldRelationSegment', :foreign_key => 'id'
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# has_many :relation_tags, :class_name => 'OldRelationTag', :foreign_key => 'id'
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def old_members
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OldRelationMember.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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OldRelationTag.find(:all, :conditions => ['id = ? AND version = ?', self.id, self.version])
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end
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def to_xml
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doc = OSM::API.new.get_xml_doc
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doc.root << to_xml_node()
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return doc
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end
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def to_xml_node
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el1 = XML::Node.new 'relation'
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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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el1['user'] = self.changeset.user.display_name if self.changeset.user.data_public?
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el1['version'] = self.version.to_s
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el1['changeset'] = self.changeset_id.to_s
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self.old_members.each do |member|
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e = XML::Node.new 'member'
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e['type'] = member.member_type.to_s
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e['ref'] = member.member_id.to_s # "id" is considered uncool here as it should be unique in XML
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e['role'] = member.member_role.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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# Temporary method to match interface to nodes
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def tags_as_hash
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return self.tags
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end
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# Temporary method to match interface to relations
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def relation_members
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return self.old_members
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end
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# Pretend we're not in any relations
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def containing_relation_members
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return []
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end
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end
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