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

diff --git a/app/models/trace.rb b/app/models/trace.rb
index 47e5c38b7ee79be23de54384a73b11d0bf881006..0e876332874487acbafb3c5b17013e0cbb2b579b 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"
 
 class Trace < ActiveRecord::Base
   self.table_name = "gpx_files"
 


@@ -7,14 +34,14 @@ class Trace < ActiveRecord::Base
 
   scope :visible, -> { where(:visible => true) }
   scope :visible_to, ->(u) { visible.where("visibility IN ('public', 'identifiable') OR user_id = ?", u) }
 
   scope :visible, -> { where(:visible => true) }
   scope :visible_to, ->(u) { visible.where("visibility IN ('public', 'identifiable') OR user_id = ?", u) }

-  scope :visible_to_all, -> { where(:visibility => %w(public identifiable)) }
+  scope :visible_to_all, -> { where(:visibility => %w[public identifiable]) }

   scope :tagged, ->(t) { joins(:tags).where(:gpx_file_tags => { :tag => t }) }
 
   validates :user, :presence => true, :associated => true
   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 :timestamp, :presence => true

-  validates :visibility, :inclusion => %w(private public trackable identifiable)
+  validates :visibility, :inclusion => %w[private public trackable identifiable]

 
   def destroy
     super
 
   def destroy
     super


@@ -29,7 +56,7 @@ class Trace < ActiveRecord::Base
 
   def tagstring=(s)
     self.tags = if s.include? ","
 
   def tagstring=(s)
     self.tags = if s.include? ","

-                  s.split(/\s*,\s*/).select { |tag| tag !~ /^\s*$/ }.collect do |tag|
+                  s.split(/\s*,\s*/).reject { |tag| tag =~ /^\s*$/ }.collect do |tag|

                     tt = Tracetag.new
                     tt.tag = tag
                     tt
                     tt = Tracetag.new
                     tt.tag = tag
                     tt


@@ -83,19 +110,19 @@ class Trace < ActiveRecord::Base
   end
 
   def large_picture_name
   end
 
   def large_picture_name

-    "#{GPX_IMAGE_DIR}/#{id}.gif"
+    "#{Settings.gpx_image_dir}/#{id}.gif"

   end
 
   def icon_picture_name
   end
 
   def icon_picture_name

-    "#{GPX_IMAGE_DIR}/#{id}_icon.gif"
+    "#{Settings.gpx_image_dir}/#{id}_icon.gif"

   end
 
   def trace_name
   end
 
   def trace_name

-    "#{GPX_TRACE_DIR}/#{id}.gpx"
+    "#{Settings.gpx_trace_dir}/#{id}.gpx"

   end
 
   def mime_type
   end
 
   def mime_type

-    filetype = `/usr/bin/file -bz #{trace_name}`.chomp
+    filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp

     gzipped = filetype =~ /gzip compressed/
     bzipped = filetype =~ /bzip2 compressed/
     zipped = filetype =~ /Zip archive/
     gzipped = filetype =~ /gzip compressed/
     bzipped = filetype =~ /bzip2 compressed/
     zipped = filetype =~ /Zip archive/


@@ -117,7 +144,7 @@ class Trace < ActiveRecord::Base
   end
 
   def extension_name
   end
 
   def extension_name

-    filetype = `/usr/bin/file -bz #{trace_name}`.chomp
+    filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp

     gzipped = filetype =~ /gzip compressed/
     bzipped = filetype =~ /bzip2 compressed/
     zipped = filetype =~ /Zip archive/
     gzipped = filetype =~ /gzip compressed/
     bzipped = filetype =~ /bzip2 compressed/
     zipped = filetype =~ /Zip archive/


@@ -172,13 +199,12 @@ class Trace < ActiveRecord::Base
     el1
   end
 
     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|
     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.")
     end
 
     raise OSM::APIBadXMLError.new("trace", xml, "XML doesn't contain an osm/gpx_file element.")


@@ -186,39 +212,39 @@ class Trace < ActiveRecord::Base
     raise OSM::APIBadXMLError.new("trace", xml, ex.message)
   end
 
     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?
     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?
 
     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
       # .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
     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?
 
     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
     # TODO: *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'
   end
 
   def xml_file
     # TODO: *nix specific, could do to work on windows... would be functionally inferior though - check for '.gz'

-    filetype = `/usr/bin/file -bz #{trace_name}`.chomp
+    filetype = `/usr/bin/file -Lbz #{trace_name}`.chomp

     gzipped = filetype =~ /gzip compressed/
     bzipped = filetype =~ /bzip2 compressed/
     zipped = filetype =~ /Zip archive/
     gzipped = filetype =~ /gzip compressed/
     bzipped = filetype =~ /bzip2 compressed/
     zipped = filetype =~ /Zip archive/


@@ -254,33 +280,46 @@ class Trace < ActiveRecord::Base
   def import
     logger.info("GPX Import importing #{name} (#{id}) from #{user.email}")
 
   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
     first = true
 
     # If there are any existing points for this trace then delete them
 
     f_lat = 0
     f_lon = 0
     first = true
 
     # If there are any existing points for this trace then delete them

-    Tracepoint.delete_all(:gpx_id => id)
+    Tracepoint.where(:gpx_id => id).delete_all
+
+    gpx.points.each_slice(1_000) do |points|
+      # Gather the trace points together for a bulk import
+      tracepoints = []
+
+      points.each do |point|
+        if first
+          f_lat = point.latitude
+          f_lon = point.longitude
+          first = false
+        end
+
+        tp = Tracepoint.new
+        tp.lat = point.latitude
+        tp.lon = point.longitude
+        tp.altitude = point.altitude
+        tp.timestamp = point.timestamp
+        tp.gpx_id = id
+        tp.trackid = point.segment
+        tracepoints << tp
+      end

 
 

-    gpx.points do |point|
-      if first
-        f_lat = point.latitude
-        f_lon = point.longitude
-        first = false
+      # Run the before_save and before_create callbacks, and then import them in bulk with activerecord-import
+      tracepoints.each do |tp|
+        tp.run_callbacks(:save) { false }
+        tp.run_callbacks(:create) { false }

       end
 
       end
 

-      tp = Tracepoint.new
-      tp.lat = point.latitude
-      tp.lon = point.longitude
-      tp.altitude = point.altitude
-      tp.timestamp = point.timestamp
-      tp.gpx_id = id
-      tp.trackid = point.segment
-      tp.save!
+      Tracepoint.import!(tracepoints)

     end
 
     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)
       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)