X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/dbe165bbb3d6eda37d9579f1ac767599f9055607..a39c645602f9d27b7927500c93890f4d7d79620e:/app/models/trace.rb

diff --git a/app/models/trace.rb b/app/models/trace.rb
index 994bafcf1..1d0b11d43 100644
--- 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"
 
@@ -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_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
-  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)
+  validates :visibility, :inclusion => %w[private public trackable identifiable]
 
   def destroy
     super
@@ -28,20 +55,20 @@ class Trace < ActiveRecord::Base
   end
 
   def tagstring=(s)
-    if s.include? ","
-      self.tags = s.split(/\s*,\s*/).select { |tag| tag !~ /^\s*$/ }.collect {|tag|
-        tt = Tracetag.new
-        tt.tag = tag
-        tt
-      }
-    else
-      # do as before for backwards compatibility:
-      self.tags = s.split.collect {|tag|
-        tt = Tracetag.new
-        tt.tag = tag
-        tt
-      }
-    end
+    self.tags = if s.include? ","
+                  s.split(/\s*,\s*/).reject { |tag| tag =~ /^\s*$/ }.collect do |tag|
+                    tt = Tracetag.new
+                    tt.tag = tag
+                    tt
+                  end
+                else
+                  # do as before for backwards compatibility:
+                  s.split.collect do |tag|
+                    tt = Tracetag.new
+                    tt.tag = tag
+                    tt
+                  end
+                end
   end
 
   def public?
@@ -70,16 +97,13 @@ class Trace < ActiveRecord::Base
 
   def large_picture
     f = File.new(large_picture_name, "rb")
-    logger.info "large picture file: '#{f.path}', bytes: #{File.size(f.path)}"
     data = f.sysread(File.size(f.path))
-    logger.info "have read data, bytes: '#{data.length}'"
     f.close
     data
   end
 
   def icon_picture
     f = File.new(icon_picture_name, "rb")
-    logger.info "icon picture file: '#{f.path}'"
     data = f.sysread(File.size(f.path))
     f.close
     data
@@ -98,46 +122,49 @@ class Trace < ActiveRecord::Base
   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/
+    tarred = filetype =~ /tar archive/
 
-    if gzipped
-      mimetype = "application/x-gzip"
-    elsif bzipped
-      mimetype = "application/x-bzip2"
-    elsif zipped
-      mimetype = "application/x-zip"
-    else
-      mimetype = "application/gpx+xml"
-    end
+    mimetype = if gzipped
+                 "application/x-gzip"
+               elsif bzipped
+                 "application/x-bzip2"
+               elsif zipped
+                 "application/x-zip"
+               elsif tarred
+                 "application/x-tar"
+               else
+                 "application/gpx+xml"
+               end
 
     mimetype
   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/
     tarred = filetype =~ /tar archive/
 
-    if tarred && gzipped
-      extension = ".tar.gz"
-    elsif tarred && bzipped
-      extension = ".tar.bz2"
-    elsif tarred
-      extension = ".tar"
-    elsif gzipped
-      extension = ".gpx.gz"
-    elsif bzipped
-      extension = ".gpx.bz2"
-    elsif zipped
-      extension = ".zip"
-    else
-      extension = ".gpx"
-    end
+    extension = if tarred && gzipped
+                  ".tar.gz"
+                elsif tarred && bzipped
+                  ".tar.bz2"
+                elsif tarred
+                  ".tar"
+                elsif gzipped
+                  ".gpx.gz"
+                elsif bzipped
+                  ".gpx.bz2"
+                elsif zipped
+                  ".zip"
+                else
+                  ".gpx"
+                end
 
     extension
   end
@@ -156,7 +183,7 @@ class Trace < ActiveRecord::Base
     el1["lon"] = longitude.to_s if inserted
     el1["user"] = user.display_name
     el1["visibility"] = visibility
-    el1["pending"] = (!inserted).to_s
+    el1["pending"] = inserted ? "false" : "true"
     el1["timestamp"] = timestamp.xmlschema
 
     el2 = XML::Node.new "description"
@@ -172,53 +199,52 @@ 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)
-    p = XML::Parser.string(xml)
+  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
 
-    fail OSM::APIBadXMLError.new("trace", xml, "XML doesn't contain an osm/gpx_file element.")
+    raise OSM::APIBadXMLError.new("trace", xml, "XML doesn't contain an osm/gpx_file element.")
   rescue LibXML::XML::Error, ArgumentError => ex
     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?
 
-    fail OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt["visibility"].nil?
-    trace.visibility = pt["visibility"]
+    self.visibility = pt["visibility"]
 
     unless create
-      fail OSM::APIBadXMLError.new("trace", pt, "ID is required when updating.") if pt["id"].nil?
-      trace.id = pt["id"].to_i
+      raise OSM::APIBadXMLError.new("trace", pt, "ID is required when updating.") if pt["id"].nil?
+
+      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
-      fail OSM::APIBadUserInput.new("ID of trace cannot be zero when updating.") if trace.id == 0
+      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
-    fail OSM::APIBadXMLError.new("trace", pt, "description missing") if description.nil?
-    trace.description = description.content
+    raise OSM::APIBadXMLError.new("trace", pt, "description missing") if description.nil?
 
-    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'
-    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/
@@ -238,7 +264,7 @@ class Trace < ActiveRecord::Base
       elsif bzipped
         system("bunzip2 -c #{trace_name} > #{tmpfile.path}")
       elsif zipped
-        system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path}")
+        system("unzip -p #{trace_name} -x '__MACOSX/*' > #{tmpfile.path} 2> /dev/null")
       end
 
       tmpfile.unlink
@@ -260,12 +286,8 @@ class Trace < ActiveRecord::Base
     f_lon = 0
     first = true
 
-    # If there are any existing points for this trace then delete
-    # them - we check for existing points first to avoid locking
-    # the table in the common case where there aren't any.
-    if Tracepoint.where(:gpx_id => id).exists?
-      Tracepoint.delete_all(:gpx_id => id)
-    end
+    # If there are any existing points for this trace then delete them
+    Tracepoint.where(:gpx_id => id).delete_all
 
     gpx.points do |point|
       if first
@@ -284,7 +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)
@@ -301,7 +323,7 @@ class Trace < ActiveRecord::Base
       self.icon_picture = gpx.icon(min_lat, min_lon, max_lat, max_lon)
       self.size = gpx.actual_points
       self.inserted = true
-      self.save!
+      save!
     end
 
     logger.info "done trace #{id}"