Preload traces for the selected points

[rails.git] / app / models / way.rb

diff --git a/app/models/way.rb b/app/models/way.rb
index ecbdd2f9ccd054ab4120fe7f627afb0c93f14e5c..ca6829df434cc699974896944d5586c1566ebc3a 100644 (file)
--- a/app/models/way.rb
+++ b/app/models/way.rb
@@ -1,4 +1,23 @@
-class Way < ActiveRecord::Base
+# == Schema Information
+#
+# Table name: current_ways
+#
+#  id           :bigint(8)        not null, primary key
+#  changeset_id :bigint(8)        not null
+#  timestamp    :datetime         not null
+#  visible      :boolean          not null
+#  version      :bigint(8)        not null
+#
+# Indexes
+#
+#  current_ways_timestamp_idx  (timestamp)
+#
+# Foreign Keys
+#
+#  current_ways_changeset_id_fkey  (changeset_id => changesets.id)
+#
+
+class Way < ApplicationRecord

   require "xml/libxml"
 
   include ConsistencyValidations
   require "xml/libxml"
 
   include ConsistencyValidations


@@ -20,11 +39,11 @@ class Way < ActiveRecord::Base
   has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation
 
   validates :id, :uniqueness => true, :presence => { :on => :update },
   has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation
 
   validates :id, :uniqueness => true, :presence => { :on => :update },

-                 :numericality => { :on => :update, :integer_only => true }
+                 :numericality => { :on => :update, :only_integer => true }

   validates :version, :presence => true,
   validates :version, :presence => true,

-                      :numericality => { :integer_only => true }
+                      :numericality => { :only_integer => true }

   validates :changeset_id, :presence => true,
   validates :changeset_id, :presence => true,

-                           :numericality => { :integer_only => true }
+                           :numericality => { :only_integer => true }

   validates :timestamp, :presence => true
   validates :changeset, :associated => true
   validates :visible, :inclusion => [true, false]
   validates :timestamp, :presence => true
   validates :changeset, :associated => true
   validates :visible, :inclusion => [true, false]


@@ -34,31 +53,36 @@ class Way < ActiveRecord::Base
 
   # Read in xml as text and return it's Way object representation
   def self.from_xml(xml, create = false)
 
   # Read in xml as text and return it's Way object representation
   def self.from_xml(xml, create = false)

-    p = XML::Parser.string(xml)
+    p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR)

     doc = p.parse
     doc = p.parse

+    pt = doc.find_first("//osm/way")

 
 

-    doc.find("//osm/way").each do |pt|
-      return Way.from_xml_node(pt, create)
+    if pt
+      Way.from_xml_node(pt, create)
+    else
+      raise OSM::APIBadXMLError.new("node", xml, "XML doesn't contain an osm/way element.")

     end
     end

-    raise OSM::APIBadXMLError.new("node", xml, "XML doesn't contain an osm/way element.")
-  rescue LibXML::XML::Error, ArgumentError => ex
-    raise OSM::APIBadXMLError.new("way", xml, ex.message)
+  rescue LibXML::XML::Error, ArgumentError => e
+    raise OSM::APIBadXMLError.new("way", xml, e.message)

   end
 
   def self.from_xml_node(pt, create = false)
     way = Way.new
 
     raise OSM::APIBadXMLError.new("way", pt, "Version is required when updating") unless create || !pt["version"].nil?
   end
 
   def self.from_xml_node(pt, create = false)
     way = Way.new
 
     raise OSM::APIBadXMLError.new("way", pt, "Version is required when updating") unless create || !pt["version"].nil?

+

     way.version = pt["version"]
     raise OSM::APIBadXMLError.new("way", pt, "Changeset id is missing") if pt["changeset"].nil?
     way.version = pt["version"]
     raise OSM::APIBadXMLError.new("way", pt, "Changeset id is missing") if pt["changeset"].nil?

+

     way.changeset_id = pt["changeset"]
 
     unless create
       raise OSM::APIBadXMLError.new("way", pt, "ID is required when updating") if pt["id"].nil?
     way.changeset_id = pt["changeset"]
 
     unless create
       raise OSM::APIBadXMLError.new("way", pt, "ID is required when updating") if pt["id"].nil?

+

       way.id = pt["id"].to_i
       # .to_i will return 0 if there is no number that can be parsed.
       # We want to make sure that there is no id with zero anyway
       way.id = pt["id"].to_i
       # .to_i will return 0 if there is no number that can be parsed.
       # We want to make sure that there is no id with zero anyway

-      raise OSM::APIBadUserInput.new("ID of way cannot be zero when updating.") if way.id.zero?
+      raise OSM::APIBadUserInput, "ID of way cannot be zero when updating." if way.id.zero?

     end
 
     # We don't care about the timestamp nor the visibility as these are either
     end
 
     # We don't care about the timestamp nor the visibility as these are either


@@ -73,6 +97,7 @@ class Way < ActiveRecord::Base
     pt.find("tag").each do |tag|
       raise OSM::APIBadXMLError.new("way", pt, "tag is missing key") if tag["k"].nil?
       raise OSM::APIBadXMLError.new("way", pt, "tag is missing value") if tag["v"].nil?
     pt.find("tag").each do |tag|
       raise OSM::APIBadXMLError.new("way", pt, "tag is missing key") if tag["k"].nil?
       raise OSM::APIBadXMLError.new("way", pt, "tag is missing value") if tag["v"].nil?

+

       way.add_tag_keyval(tag["k"], tag["v"])
     end
 
       way.add_tag_keyval(tag["k"], tag["v"])
     end
 


@@ -83,48 +108,6 @@ class Way < ActiveRecord::Base
     way
   end
 
     way
   end
 

-  # Find a way given it's ID, and in a single SQL call also grab its nodes and tags
-  def to_xml
-    doc = OSM::API.new.get_xml_doc
-    doc.root << to_xml_node
-    doc
-  end
-
-  def to_xml_node(visible_nodes = nil, changeset_cache = {}, user_display_name_cache = {})
-    el = XML::Node.new "way"
-    el["id"] = id.to_s
-
-    add_metadata_to_xml_node(el, self, changeset_cache, user_display_name_cache)
-
-    # make sure nodes are output in sequence_id order
-    ordered_nodes = []
-    way_nodes.each do |nd|
-      if visible_nodes
-        # if there is a list of visible nodes then use that to weed out deleted nodes
-        if visible_nodes[nd.node_id]
-          ordered_nodes[nd.sequence_id] = nd.node_id.to_s
-        end
-      else
-        # otherwise, manually go to the db to check things
-        if nd.node && nd.node.visible?
-          ordered_nodes[nd.sequence_id] = nd.node_id.to_s
-        end
-      end
-    end
-
-    ordered_nodes.each do |nd_id|
-      next unless nd_id && nd_id != "0"
-
-      node_el = XML::Node.new "nd"
-      node_el["ref"] = nd_id
-      el << node_el
-    end
-
-    add_tags_to_xml_node(el, way_tags)
-
-    el
-  end
-

   def nds
     @nds ||= way_nodes.collect(&:node_id)
   end
   def nds
     @nds ||= way_nodes.collect(&:node_id)
   end


@@ -133,17 +116,15 @@ class Way < ActiveRecord::Base
     @tags ||= Hash[way_tags.collect { |t| [t.k, t.v] }]
   end
 
     @tags ||= Hash[way_tags.collect { |t| [t.k, t.v] }]
   end
 

-  attr_writer :nds
-
-  attr_writer :tags
+  attr_writer :nds, :tags

 
   def add_nd_num(n)
 
   def add_nd_num(n)

-    @nds = [] unless @nds
+    @nds ||= []

     @nds << n.to_i
   end
 
   def add_tag_keyval(k, v)
     @nds << n.to_i
   end
 
   def add_tag_keyval(k, v)

-    @tags = {} unless @tags
+    @tags ||= {}

 
     # duplicate tags are now forbidden, so we can't allow values
     # in the hash to be overwritten.
 
     # duplicate tags are now forbidden, so we can't allow values
     # in the hash to be overwritten.


@@ -165,9 +146,7 @@ class Way < ActiveRecord::Base
     Way.transaction do
       lock!
       check_consistency(self, new_way, user)
     Way.transaction do
       lock!
       check_consistency(self, new_way, user)

-      unless new_way.preconditions_ok?(nds)
-        raise OSM::APIPreconditionFailedError.new("Cannot update way #{id}: data is invalid.")
-      end
+      raise OSM::APIPreconditionFailedError, "Cannot update way #{id}: data is invalid." unless new_way.preconditions_ok?(nds)

 
       self.changeset_id = new_way.changeset_id
       self.changeset = new_way.changeset
 
       self.changeset_id = new_way.changeset_id
       self.changeset = new_way.changeset


@@ -180,9 +159,8 @@ class Way < ActiveRecord::Base
 
   def create_with_history(user)
     check_create_consistency(self, user)
 
   def create_with_history(user)
     check_create_consistency(self, user)

-    unless preconditions_ok?
-      raise OSM::APIPreconditionFailedError.new("Cannot create way: data is invalid.")
-    end
+    raise OSM::APIPreconditionFailedError, "Cannot create way: data is invalid." unless preconditions_ok?
+

     self.version = 0
     self.visible = true
     save_with_history!
     self.version = 0
     self.visible = true
     save_with_history!


@@ -190,9 +168,7 @@ class Way < ActiveRecord::Base
 
   def preconditions_ok?(old_nodes = [])
     return false if nds.empty?
 
   def preconditions_ok?(old_nodes = [])
     return false if nds.empty?

-    if nds.length > MAX_NUMBER_OF_WAY_NODES
-      raise OSM::APITooManyWayNodesError.new(id, nds.length, MAX_NUMBER_OF_WAY_NODES)
-    end
+    raise OSM::APITooManyWayNodesError.new(id, nds.length, Settings.max_number_of_way_nodes) if nds.length > Settings.max_number_of_way_nodes

 
     # check only the new nodes, for efficiency - old nodes having been checked last time and can't
     # be deleted when they're in-use.
 
     # check only the new nodes, for efficiency - old nodes having been checked last time and can't
     # be deleted when they're in-use.


@@ -205,7 +181,7 @@ class Way < ActiveRecord::Base
 
       if db_nds.length < new_nds.length
         missing = new_nds - db_nds.collect(&:id)
 
       if db_nds.length < new_nds.length
         missing = new_nds - db_nds.collect(&:id)

-        raise OSM::APIPreconditionFailedError.new("Way #{id} requires the nodes with id in (#{missing.join(',')}), which either do not exist, or are not visible.")
+        raise OSM::APIPreconditionFailedError, "Way #{id} requires the nodes with id in (#{missing.join(',')}), which either do not exist, or are not visible."

       end
     end
 
       end
     end
 


@@ -222,7 +198,7 @@ class Way < ActiveRecord::Base
       lock!
       check_consistency(self, new_way, user)
       rels = Relation.joins(:relation_members).where(:visible => true, :current_relation_members => { :member_type => "Way", :member_id => id }).order(:id)
       lock!
       check_consistency(self, new_way, user)
       rels = Relation.joins(:relation_members).where(:visible => true, :current_relation_members => { :member_type => "Way", :member_id => id }).order(:id)

-      raise OSM::APIPreconditionFailedError.new("Way #{id} is still used by relations #{rels.collect(&:id).join(',')}.") unless rels.empty?
+      raise OSM::APIPreconditionFailedError, "Way #{id} is still used by relations #{rels.collect(&:id).join(',')}." unless rels.empty?

 
       self.changeset_id = new_way.changeset_id
       self.changeset = new_way.changeset
 
       self.changeset_id = new_way.changeset_id
       self.changeset = new_way.changeset


@@ -240,9 +216,10 @@ class Way < ActiveRecord::Base
   # to IDs +id_map+.
   def fix_placeholders!(id_map, placeholder_id = nil)
     nds.map! do |node_id|
   # to IDs +id_map+.
   def fix_placeholders!(id_map, placeholder_id = nil)
     nds.map! do |node_id|

-      if node_id < 0
+      if node_id.negative?

         new_id = id_map[:node][node_id]
         new_id = id_map[:node][node_id]

-        raise OSM::APIBadUserInput.new("Placeholder node not found for reference #{node_id} in way #{id.nil? ? placeholder_id : id}") if new_id.nil?
+        raise OSM::APIBadUserInput, "Placeholder node not found for reference #{node_id} in way #{id.nil? ? placeholder_id : id}" if new_id.nil?
+

         new_id
       else
         node_id
         new_id
       else
         node_id


@@ -255,6 +232,9 @@ class Way < ActiveRecord::Base
   def save_with_history!
     t = Time.now.getutc
 
   def save_with_history!
     t = Time.now.getutc
 

+    self.version += 1
+    self.timestamp = t
+

     # update the bounding box, note that this has to be done both before
     # and after the save, so that nodes from both versions are included in the
     # bbox. we use a copy of the changeset so that it isn't reloaded
     # update the bounding box, note that this has to be done both before
     # and after the save, so that nodes from both versions are included in the
     # bbox. we use a copy of the changeset so that it isn't reloaded


@@ -263,12 +243,12 @@ class Way < ActiveRecord::Base
     cs.update_bbox!(bbox) unless nodes.empty?
 
     Way.transaction do
     cs.update_bbox!(bbox) unless nodes.empty?
 
     Way.transaction do

-      self.version += 1
-      self.timestamp = t
-      save!
+      # clone the object before saving it so that the original is
+      # still marked as dirty if we retry the transaction
+      clone.save!

 
       tags = self.tags
 
       tags = self.tags

-      WayTag.delete_all(:way_id => id)
+      WayTag.where(:way_id => id).delete_all

       tags.each do |k, v|
         tag = WayTag.new
         tag.way_id = id
       tags.each do |k, v|
         tag = WayTag.new
         tag.way_id = id


@@ -278,7 +258,7 @@ class Way < ActiveRecord::Base
       end
 
       nds = self.nds
       end
 
       nds = self.nds

-      WayNode.delete_all(:way_id => id)
+      WayNode.where(:way_id => id).delete_all

       sequence = 1
       nds.each do |n|
         nd = WayNode.new
       sequence = 1
       nds.each do |n|
         nd = WayNode.new