Always look to the global scope for the GPX module

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

diff --git a/app/models/trace.rb b/app/models/trace.rb
index eed09dbe536b3b268067837eb6000fc57711d104..d2c71524505914e5739fa2b4e52b9176410a2b3f 100644 (file)
--- a/app/models/trace.rb
+++ b/app/models/trace.rb
@@ -1,3 +1,30 @@
+# == Schema Information
+#
+# Table name: gpx_files
+#
+#  id          :integer          not null, primary key
+#  user_id     :integer          not null
+#  visible     :boolean          default(TRUE), not null
+#  name        :string           default(""), not null
+#  size        :integer
+#  latitude    :float
+#  longitude   :float
+#  timestamp   :datetime         not null
+#  description :string           default(""), not null
+#  inserted    :boolean          not null
+#  visibility  :enum             default("public"), not null
+#
+# Indexes
+#
+#  gpx_files_timestamp_idx           (timestamp)
+#  gpx_files_user_id_idx             (user_id)
+#  gpx_files_visible_visibility_idx  (visible,visibility)
+#
+# Foreign Keys
+#
+#  gpx_files_user_id_fkey  (user_id => users.id)
+#
+
 class Trace < ActiveRecord::Base
   self.table_name = "gpx_files"
 
@@ -11,8 +38,8 @@ class Trace < ActiveRecord::Base
   scope :tagged, ->(t) { joins(:tags).where(:gpx_file_tags => { :tag => t }) }
 
   validates :user, :presence => true, :associated => true
-  validates :name, :presence => true, :length => 1..255
-  validates :description, :presence => { :on => :create }, :length => 1..255
+  validates :name, :presence => true, :length => 1..255, :characters => true
+  validates :description, :presence => { :on => :create }, :length => 1..255, :characters => true
   validates :timestamp, :presence => true
   validates :visibility, :inclusion => %w[private public trackable identifiable]
 
@@ -172,13 +199,12 @@ class Trace < ActiveRecord::Base
     el1
   end
 
-  # Read in xml as text and return it's Node object representation
-  def self.from_xml(xml, create = false)
+  def update_from_xml(xml, create = false)
     p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR)
     doc = p.parse
 
     doc.find("//osm/gpx_file").each do |pt|
-      return Trace.from_xml_node(pt, create)
+      return update_from_xml_node(pt, create)
     end
 
     raise OSM::APIBadXMLError.new("trace", xml, "XML doesn't contain an osm/gpx_file element.")
@@ -186,34 +212,34 @@ class Trace < ActiveRecord::Base
     raise OSM::APIBadXMLError.new("trace", xml, ex.message)
   end
 
-  def self.from_xml_node(pt, create = false)
-    trace = Trace.new
-
+  def update_from_xml_node(pt, create = false)
     raise OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt["visibility"].nil?
-    trace.visibility = pt["visibility"]
+
+    self.visibility = pt["visibility"]
 
     unless create
       raise OSM::APIBadXMLError.new("trace", pt, "ID is required when updating.") if pt["id"].nil?
-      trace.id = pt["id"].to_i
+
+      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 trace cannot be zero when updating.") if trace.id.zero?
+      raise OSM::APIBadUserInput, "ID of trace cannot be zero when updating." if id.zero?
+      raise OSM::APIBadUserInput, "The id in the url (#{self.id}) is not the same as provided in the xml (#{id})" unless self.id == id
     end
 
     # We don't care about the time, as it is explicitly set on create/update/delete
     # We don't care about the visibility as it is implicit based on the action
     # and set manually before the actual delete
-    trace.visible = true
+    self.visible = true
 
     description = pt.find("description").first
     raise OSM::APIBadXMLError.new("trace", pt, "description missing") if description.nil?
-    trace.description = description.content
 
-    pt.find("tag").each do |tag|
-      trace.tags.build(:tag => tag.content)
-    end
+    self.description = description.content
 
-    trace
+    self.tags = pt.find("tag").collect do |tag|
+      Tracetag.new(:tag => tag.content)
+    end
   end
 
   def xml_file
@@ -254,7 +280,7 @@ class Trace < ActiveRecord::Base
   def import
     logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
 
-    gpx = GPX::File.new(xml_file)
+    gpx = ::GPX::File.new(xml_file)
 
     f_lat = 0
     f_lon = 0
@@ -280,7 +306,7 @@ class Trace < ActiveRecord::Base
       tp.save!
     end
 
-    if gpx.actual_points > 0
+    if gpx.actual_points.positive?
       max_lat = Tracepoint.where(:gpx_id => id).maximum(:latitude)
       min_lat = Tracepoint.where(:gpx_id => id).minimum(:latitude)
       max_lon = Tracepoint.where(:gpx_id => id).maximum(:longitude)