+ 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 :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 :timestamp, :presence => true
+ validates :visibility, :inclusion => %w(private public trackable identifiable)
+
+ def destroy
+ super
+ FileUtils.rm_f(trace_name)
+ FileUtils.rm_f(icon_picture_name)
+ FileUtils.rm_f(large_picture_name)
+ end
+
+ def tagstring
+ tags.collect(&:tag).join(", ")
+ end
+
+ def tagstring=(s)
+ self.tags = if s.include? ","
+ s.split(/\s*,\s*/).select { |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?
+ visibility == "public" || visibility == "identifiable"
+ end
+
+ def trackable?
+ visibility == "trackable" || visibility == "identifiable"
+ end
+
+ def identifiable?
+ visibility == "identifiable"
+ end
+
+ def large_picture=(data)
+ f = File.new(large_picture_name, "wb")
+ f.syswrite(data)
+ f.close
+ end
+
+ def icon_picture=(data)
+ f = File.new(icon_picture_name, "wb")
+ f.syswrite(data)
+ f.close
+ end
+
+ def large_picture
+ f = File.new(large_picture_name, "rb")
+ data = f.sysread(File.size(f.path))
+ f.close
+ data
+ end
+
+ def icon_picture
+ f = File.new(icon_picture_name, "rb")
+ data = f.sysread(File.size(f.path))
+ f.close
+ data
+ end
+
+ def large_picture_name
+ "#{GPX_IMAGE_DIR}/#{id}.gif"
+ end
+
+ def icon_picture_name
+ "#{GPX_IMAGE_DIR}/#{id}_icon.gif"
+ end
+
+ def trace_name
+ "#{GPX_TRACE_DIR}/#{id}.gpx"
+ end
+
+ def mime_type
+ filetype = `/usr/bin/file -bz #{trace_name}`.chomp
+ gzipped = filetype =~ /gzip compressed/
+ bzipped = filetype =~ /bzip2 compressed/
+ zipped = filetype =~ /Zip archive/
+ tarred = filetype =~ /tar archive/
+
+ 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
+ gzipped = filetype =~ /gzip compressed/
+ bzipped = filetype =~ /bzip2 compressed/
+ zipped = filetype =~ /Zip archive/
+ tarred = filetype =~ /tar archive/
+
+ 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
+
+ def to_xml
+ doc = OSM::API.new.get_xml_doc
+ doc.root << to_xml_node
+ doc
+ end
+
+ def to_xml_node
+ el1 = XML::Node.new "gpx_file"
+ el1["id"] = id.to_s
+ el1["name"] = name.to_s
+ el1["lat"] = latitude.to_s if inserted
+ el1["lon"] = longitude.to_s if inserted
+ el1["user"] = user.display_name
+ el1["visibility"] = visibility
+ el1["pending"] = inserted ? "false" : "true"
+ el1["timestamp"] = timestamp.xmlschema
+
+ el2 = XML::Node.new "description"
+ el2 << description
+ el1 << el2
+
+ tags.each do |tag|
+ el2 = XML::Node.new("tag")
+ el2 << tag.tag
+ el1 << el2
+ end
+
+ 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)
+ doc = p.parse
+
+ doc.find("//osm/gpx_file").each do |pt|
+ return Trace.from_xml_node(pt, create)
+ end
+
+ fail 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
+
+ fail OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt["visibility"].nil?
+ trace.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
+ # .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
+ 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
+
+ description = pt.find("description").first
+ fail 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
+
+ trace
projects / rails.git / blobdiff