class Trace < ActiveRecord::Base
- set_table_name 'gpx_files'
+ self.table_name = "gpx_files"
+
+ belongs_to :user, :counter_cache => true
+ has_many :tags, :class_name => 'Tracetag', :foreign_key => 'gpx_id', :dependent => :delete_all
+ has_many :points, :class_name => 'Tracepoint', :foreign_key => 'gpx_id', :dependent => :delete_all
+
+ scope :visible, -> { where(:visible => true) }
+ scope :visible_to, ->(u) { visible.where("visibility IN ('public', 'identifiable') OR user_id = ?", u) }
+ scope :public, -> { where(:visibility => ["public", "identifiable"]) }
+ scope :tagged, ->(t) { joins(:tags).where(:gpx_file_tags => { :tag => t }) }
validates_presence_of :user_id, :name, :timestamp
validates_presence_of :description, :on => :create
validates_length_of :name, :maximum => 255
validates_length_of :description, :maximum => 255
# validates_numericality_of :latitude, :longitude
- validates_inclusion_of :public, :inserted, :in => [ true, false]
-
- belongs_to :user
- has_many :tags, :class_name => 'Tracetag', :foreign_key => 'gpx_id', :dependent => :delete_all
- has_many :points, :class_name => 'Tracepoint', :foreign_key => 'gpx_id', :dependent => :delete_all
+ validates_inclusion_of :inserted, :in => [ true, false ]
+ validates_inclusion_of :visibility, :in => ["private", "public", "trackable", "identifiable"]
def destroy
super
end
def tagstring=(s)
- if s.include?','
- self.tags = s.split(/\s*,\s*/).collect {|tag|
+ if s.include? ','
+ self.tags = s.split(/\s*,\s*/).select {|tag| tag !~ /^\s*$/}.collect {|tag|
tt = Tracetag.new
tt.tag = tag
tt
}
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)
elsif zipped
mimetype = "application/x-zip"
else
- mimetype = "text/xml"
+ mimetype = "application/gpx+xml"
end
return mimetype
el1 = XML::Node.new 'gpx_file'
el1['id'] = self.id.to_s
el1['name'] = self.name.to_s
- el1['lat'] = self.latitude.to_s
- el1['lon'] = self.longitude.to_s
+ el1['lat'] = self.latitude.to_s if self.inserted
+ el1['lon'] = self.longitude.to_s if self.inserted
el1['user'] = self.user.display_name
- el1['public'] = self.public.to_s
+ el1['visibility'] = self.visibility
el1['pending'] = (!self.inserted).to_s
el1['timestamp'] = self.timestamp.xmlschema
+
+ el2 = XML::Node.new 'description'
+ el2 << self.description
+ el1 << el2
+
+ self.tags.each do |tag|
+ el2 = XML::Node.new('tag')
+ el2 << tag.tag
+ el1 << el2
+ end
+
return el1
end
+ # Read in xml as text and return it's Node object representation
+ def self.from_xml(xml, create=false)
+ begin
+ p = XML::Parser.string(xml)
+ doc = p.parse
+
+ doc.find('//osm/gpx_file').each do |pt|
+ return Trace.from_xml_node(pt, create)
+ end
+
+ 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
+ end
+
+ def self.from_xml_node(pt, create=false)
+ trace = Trace.new
+
+ raise OSM::APIBadXMLError.new("trace", pt, "visibility missing") if pt['visibility'].nil?
+ trace.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
+ # .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 == 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
+ 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
+
+ return trace
+ 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
# 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.find(:first, :conditions => ['gpx_id = ?', self.id])
- Tracepoint.delete_all(['gpx_id = ?', self.id])
+ if Tracepoint.where(:gpx_id => self.id).exists?
+ Tracepoint.delete_all(:gpx_id => self.id)
end
gpx.points do |point|
end
if gpx.actual_points > 0
- max_lat = Tracepoint.maximum('latitude', :conditions => ['gpx_id = ?', id])
- min_lat = Tracepoint.minimum('latitude', :conditions => ['gpx_id = ?', id])
- max_lon = Tracepoint.maximum('longitude', :conditions => ['gpx_id = ?', id])
- min_lon = Tracepoint.minimum('longitude', :conditions => ['gpx_id = ?', id])
+ 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)
+ min_lon = Tracepoint.where(:gpx_id => id).minimum(:longitude)
max_lat = max_lat.to_f / 10000000
min_lat = min_lat.to_f / 10000000
projects / rails.git / blobdiff