Cleanup trailing whitespace

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

diff --git a/app/models/node.rb b/app/models/node.rb
index 81b910f37338eb285730865273a3b4a6ce598f69..755dc82ce6a10fd822ccfdfe6f2be4b4d427a1ea 100644 (file)
--- a/app/models/node.rb
+++ b/app/models/node.rb
@@ -4,23 +4,24 @@ class Node < ActiveRecord::Base
   include GeoRecord
   include ConsistencyValidations
   include NotRedactable
   include GeoRecord
   include ConsistencyValidations
   include NotRedactable

+  include ObjectMetadata

 
   self.table_name = "current_nodes"
 
   belongs_to :changeset
 
 
   self.table_name = "current_nodes"
 
   belongs_to :changeset
 

-  has_many :old_nodes, :order => :version
+  has_many :old_nodes, -> { order(:version) }

 
   has_many :way_nodes
   has_many :ways, :through => :way_nodes
 
   has_many :node_tags
 
   has_many :way_nodes
   has_many :ways, :through => :way_nodes
 
   has_many :node_tags

-  
+

   has_many :old_way_nodes
   has_many :ways_via_history, :class_name=> "Way", :through => :old_way_nodes, :source => :way
 
   has_many :containing_relation_members, :class_name => "RelationMember", :as => :member
   has_many :old_way_nodes
   has_many :ways_via_history, :class_name=> "Way", :through => :old_way_nodes, :source => :way
 
   has_many :containing_relation_members, :class_name => "RelationMember", :as => :member

-  has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation, :extend => ObjectFinder
+  has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation

 
   validates_presence_of :id, :on => :update
   validates_presence_of :timestamp,:version,  :changeset_id
 
   validates_presence_of :id, :on => :update
   validates_presence_of :timestamp,:version,  :changeset_id


@@ -31,38 +32,14 @@ class Node < ActiveRecord::Base
   validate :validate_position
   validates_associated :changeset
 
   validate :validate_position
   validates_associated :changeset
 

-  scope :visible, where(:visible => true)
-  scope :invisible, where(:visible => false)
+  scope :visible, -> { where(:visible => true) }
+  scope :invisible, -> { where(:visible => false) }

 
   # Sanity check the latitude and longitude and add an error if it's broken
   def validate_position
     errors.add(:base, "Node is not in the world") unless in_world?
   end
 
 
   # Sanity check the latitude and longitude and add an error if it's broken
   def validate_position
     errors.add(:base, "Node is not in the world") unless in_world?
   end
 

-  #
-  # Search for nodes matching tags within bounding_box
-  #
-  # Also adheres to limitations such as within max_number_of_nodes
-  #
-  def self.search(bounding_box, tags = {})
-    # @fixme a bit of a hack to search for only visible nodes
-    # couldn't think of another to add to tags condition
-    #conditions_hash = tags.merge({ 'visible' => 1 })
-  
-    # using named placeholders http://www.robbyonrails.com/articles/2005/10/21/using-named-placeholders-in-ruby
-    #keys = []
-    #values = {}
-
-    #conditions_hash.each do |key,value|
-    #  keys <<  "#{key} = :#{key}"
-    #  values[key.to_sym] = value
-    #end 
-    #conditions = keys.join(' AND ')
- 
-    find_by_area(bounding_box, :conditions => {:visible => true},
-                       :limit => MAX_NUMBER_OF_NODES+1)
-  end
-

   # Read in xml as text and return it's Node object representation
   def self.from_xml(xml, create=false)
     begin
   # Read in xml as text and return it's Node object representation
   def self.from_xml(xml, create=false)
     begin


@@ -80,7 +57,7 @@ class Node < ActiveRecord::Base
 
   def self.from_xml_node(pt, create=false)
     node = Node.new
 
   def self.from_xml_node(pt, create=false)
     node = Node.new

-    
+

     raise OSM::APIBadXMLError.new("node", pt, "lat missing") if pt['lat'].nil?
     raise OSM::APIBadXMLError.new("node", pt, "lon missing") if pt['lon'].nil?
     node.lat = OSM.parse_float(pt['lat'], OSM::APIBadXMLError, "node", pt, "lat not a number")
     raise OSM::APIBadXMLError.new("node", pt, "lat missing") if pt['lat'].nil?
     raise OSM::APIBadXMLError.new("node", pt, "lon missing") if pt['lon'].nil?
     node.lat = OSM.parse_float(pt['lat'], OSM::APIBadXMLError, "node", pt, "lat not a number")


@@ -97,7 +74,7 @@ class Node < ActiveRecord::Base
     unless create
       raise OSM::APIBadXMLError.new("node", pt, "ID is required when updating.") if pt['id'].nil?
       node.id = pt['id'].to_i
     unless create
       raise OSM::APIBadXMLError.new("node", pt, "ID is required when updating.") if pt['id'].nil?
       node.id = pt['id'].to_i

-      # .to_i will return 0 if there is no number that can be parsed. 
+      # .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 node cannot be zero when updating.") if node.id == 0
     end
       # We want to make sure that there is no id with zero anyway
       raise OSM::APIBadUserInput.new("ID of node cannot be zero when updating.") if node.id == 0
     end


@@ -133,7 +110,7 @@ class Node < ActiveRecord::Base
       raise OSM::APIAlreadyDeletedError.new("node", new_node.id)
     end
 
       raise OSM::APIAlreadyDeletedError.new("node", new_node.id)
     end
 

-    # need to start the transaction here, so that the database can 
+    # need to start the transaction here, so that the database can

     # provide repeatable reads for the used-by checks. this means it
     # shouldn't be possible to get race conditions.
     Node.transaction do
     # provide repeatable reads for the used-by checks. this means it
     # shouldn't be possible to get race conditions.
     Node.transaction do


@@ -141,17 +118,17 @@ class Node < ActiveRecord::Base
       check_consistency(self, new_node, user)
       ways = Way.joins(:way_nodes).where(:visible => true, :current_way_nodes => { :node_id => id }).order(:id)
       raise OSM::APIPreconditionFailedError.new("Node #{self.id} is still used by ways #{ways.collect { |w| w.id }.join(",")}.") unless ways.empty?
       check_consistency(self, new_node, user)
       ways = Way.joins(:way_nodes).where(:visible => true, :current_way_nodes => { :node_id => id }).order(:id)
       raise OSM::APIPreconditionFailedError.new("Node #{self.id} is still used by ways #{ways.collect { |w| w.id }.join(",")}.") unless ways.empty?

-      
+

       rels = Relation.joins(:relation_members).where(:visible => true, :current_relation_members => { :member_type => "Node", :member_id => id }).order(:id)
       raise OSM::APIPreconditionFailedError.new("Node #{self.id} is still used by relations #{rels.collect { |r| r.id }.join(",")}.") unless rels.empty?
 
       self.changeset_id = new_node.changeset_id
       self.tags = {}
       self.visible = false
       rels = Relation.joins(:relation_members).where(:visible => true, :current_relation_members => { :member_type => "Node", :member_id => id }).order(:id)
       raise OSM::APIPreconditionFailedError.new("Node #{self.id} is still used by relations #{rels.collect { |r| r.id }.join(",")}.") unless rels.empty?
 
       self.changeset_id = new_node.changeset_id
       self.tags = {}
       self.visible = false

-      
+

       # update the changeset with the deleted position
       changeset.update_bbox!(bbox)
       # update the changeset with the deleted position
       changeset.update_bbox!(bbox)

-      
+

       save_with_history!
     end
   end
       save_with_history!
     end
   end


@@ -160,27 +137,27 @@ class Node < ActiveRecord::Base
     Node.transaction do
       self.lock!
       check_consistency(self, new_node, user)
     Node.transaction do
       self.lock!
       check_consistency(self, new_node, user)

-      
+

       # update changeset first
       self.changeset_id = new_node.changeset_id
       self.changeset = new_node.changeset
       # update changeset first
       self.changeset_id = new_node.changeset_id
       self.changeset = new_node.changeset

-      
+

       # update changeset bbox with *old* position first
       changeset.update_bbox!(bbox);
       # update changeset bbox with *old* position first
       changeset.update_bbox!(bbox);

-      
+

       # FIXME logic needs to be double checked
       # FIXME logic needs to be double checked

-      self.latitude = new_node.latitude 
+      self.latitude = new_node.latitude

       self.longitude = new_node.longitude
       self.tags = new_node.tags
       self.visible = true
       self.longitude = new_node.longitude
       self.tags = new_node.tags
       self.visible = true

-      
+

       # update changeset bbox with *new* position
       changeset.update_bbox!(bbox);
       # update changeset bbox with *new* position
       changeset.update_bbox!(bbox);

-      
+

       save_with_history!
     end
   end
       save_with_history!
     end
   end

-  
+

   def create_with_history(user)
     check_create_consistency(self, user)
     self.version = 0
   def create_with_history(user)
     check_create_consistency(self, user)
     self.version = 0


@@ -199,47 +176,19 @@ class Node < ActiveRecord::Base
   end
 
   def to_xml_node(changeset_cache = {}, user_display_name_cache = {})
   end
 
   def to_xml_node(changeset_cache = {}, user_display_name_cache = {})

-    el1 = XML::Node.new 'node'
-    el1['id'] = self.id.to_s
-    el1['version'] = self.version.to_s
-    el1['changeset'] = self.changeset_id.to_s
-
-    if self.visible?
-      el1['lat'] = self.lat.to_s
-      el1['lon'] = self.lon.to_s
-    end
-
-    if changeset_cache.key?(self.changeset_id)
-      # use the cache if available
-    else
-      changeset_cache[self.changeset_id] = self.changeset.user_id
-    end
+    el = XML::Node.new 'node'
+    el['id'] = self.id.to_s

 
 

-    user_id = changeset_cache[self.changeset_id]
+    add_metadata_to_xml_node(el, self, changeset_cache, user_display_name_cache)

 
 

-    if user_display_name_cache.key?(user_id)
-      # use the cache if available
-    elsif self.changeset.user.data_public?
-      user_display_name_cache[user_id] = self.changeset.user.display_name
-    else
-      user_display_name_cache[user_id] = nil
-    end
-
-    if not user_display_name_cache[user_id].nil?
-      el1['user'] = user_display_name_cache[user_id]
-      el1['uid'] = user_id.to_s
+    if self.visible?
+      el['lat'] = self.lat.to_s
+      el['lon'] = self.lon.to_s

     end
 
     end
 

-    self.tags.each do |k,v|
-      el2 = XML::Node.new('tag')
-      el2['k'] = k.to_s
-      el2['v'] = v.to_s
-      el1 << el2
-    end
+    add_tags_to_xml_node(el, self.node_tags)

 
 

-    el1['visible'] = self.visible.to_s
-    el1['timestamp'] = self.timestamp.xmlschema
-    return el1
+    return el

   end
 
   def tags_as_hash
   end
 
   def tags_as_hash


@@ -247,18 +196,12 @@ class Node < ActiveRecord::Base
   end
 
   def tags
   end
 
   def tags

-    unless @tags
-      @tags = {}
-      self.node_tags.each do |tag|
-        @tags[tag.k] = tag.v
-      end
-    end
-    @tags
+    @tags ||= Hash[self.node_tags.collect { |t| [t.k, t.v] }]

   end
 
   def tags=(t)
   end
 
   def tags=(t)

-    @tags = t 
-  end 
+    @tags = t
+  end

 
   def add_tag_key_val(k,v)
     @tags = Hash.new unless @tags
 
   def add_tag_key_val(k,v)
     @tags = Hash.new unless @tags


@@ -283,7 +226,7 @@ class Node < ActiveRecord::Base
   def fix_placeholders!(id_map, placeholder_id = nil)
     # nodes don't refer to anything, so there is nothing to do here
   end
   def fix_placeholders!(id_map, placeholder_id = nil)
     # nodes don't refer to anything, so there is nothing to do here
   end

-  
+

   private
 
   def save_with_history!
   private
 
   def save_with_history!


@@ -299,10 +242,10 @@ class Node < ActiveRecord::Base
       tags.each do |k,v|
         tag = NodeTag.new
         tag.node_id = self.id
       tags.each do |k,v|
         tag = NodeTag.new
         tag.node_id = self.id

-        tag.k = k 
-        tag.v = v 
+        tag.k = k
+        tag.v = v

         tag.save!
         tag.save!

-      end 
+      end

 
       # Create an OldNode
       old_node = OldNode.from_node(self)
 
       # Create an OldNode
       old_node = OldNode.from_node(self)


@@ -316,5 +259,5 @@ class Node < ActiveRecord::Base
       changeset.save!
     end
   end
       changeset.save!
     end
   end

-  
+

 end
 end