Use lazy translations where possible

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

diff --git a/app/models/way.rb b/app/models/way.rb
index 9586094ff10951020aed5f27b2394bf201933303..e5b73ceaaab009db0ef5855ec38c4f108d6dbce4 100644 (file)
--- a/app/models/way.rb
+++ b/app/models/way.rb
@@ -1,3 +1,22 @@
+# == Schema Information
+#
+# Table name: current_ways
+#
+#  id           :integer          not null, primary key
+#  changeset_id :integer          not null
+#  timestamp    :datetime         not null
+#  visible      :boolean          not null
+#  version      :integer          not null
+#
+# Indexes
+#
+#  current_ways_timestamp_idx  (timestamp)
+#
+# Foreign Keys
+#
+#  current_ways_changeset_id_fkey  (changeset_id => changesets.id)
+#
+
 class Way < ActiveRecord::Base
   require "xml/libxml"
 
@@ -58,7 +77,7 @@ class Way < ActiveRecord::Base
       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
@@ -101,14 +120,10 @@ class Way < ActiveRecord::Base
     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
+        ordered_nodes[nd.sequence_id] = nd.node_id.to_s if visible_nodes[nd.node_id]
       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
+        ordered_nodes[nd.sequence_id] = nd.node_id.to_s if nd.node && nd.node.visible?
       end
     end
 
@@ -138,12 +153,12 @@ class Way < ActiveRecord::Base
   attr_writer :tags
 
   def add_nd_num(n)
-    @nds = [] unless @nds
+    @nds ||= []
     @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.
@@ -165,9 +180,7 @@ class Way < ActiveRecord::Base
     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
@@ -180,9 +193,7 @@ class Way < ActiveRecord::Base
 
   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!
@@ -190,9 +201,7 @@ class Way < ActiveRecord::Base
 
   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, MAX_NUMBER_OF_WAY_NODES) if nds.length > 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.
@@ -205,7 +214,7 @@ class Way < ActiveRecord::Base
 
       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
 
@@ -222,7 +231,7 @@ 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)
-      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
@@ -242,7 +251,7 @@ class Way < ActiveRecord::Base
     nds.map! do |node_id|
       if node_id < 0
         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