1 class TraceController < ApplicationController
4 before_filter :authorize_web
5 before_filter :set_locale
6 before_filter :require_user, :only => [:mine, :create, :edit, :delete, :make_public]
7 before_filter :authorize, :only => [:api_details, :api_data, :api_create]
8 before_filter :check_database_readable, :except => [:api_details, :api_data, :api_create]
9 before_filter :check_database_writable, :only => [:create, :edit, :delete, :make_public]
10 before_filter :check_api_readable, :only => [:api_details, :api_data]
11 before_filter :check_api_writable, :only => [:api_create]
13 # Counts and selects pages of GPX traces for various criteria (by user, tags, public etc.).
14 # target_user - if set, specifies the user to fetch traces for. if not set will fetch all traces
15 def list(target_user = nil, action = "list")
16 # from display name, pick up user id if one user's traces only
17 display_name = params[:display_name]
18 if target_user.nil? and !display_name.blank?
19 target_user = User.find(:first, :conditions => [ "visible = ? and display_name = ?", true, display_name])
21 @title = t'trace.no_such_user.title'
22 @not_found_user = display_name
23 render :action => 'no_such_user', :status => :not_found
30 @title = t 'trace.list.public_traces'
31 elsif @user and @user == target_user
32 @title = t 'trace.list.your_traces'
34 @title = t 'trace.list.public_traces_from', :user => target_user.display_name
37 @title += t 'trace.list.tagged_with', :tags => params[:tag] if params[:tag]
40 # 1 - all traces, logged in = all public traces + all user's (i.e + all mine)
41 # 2 - all traces, not logged in = all public traces
42 # 3 - user's traces, logged in as same user = all user's traces
43 # 4 - user's traces, not logged in as that user = all user's public traces
44 if target_user.nil? # all traces
46 conditions = ["(gpx_files.public = ? OR gpx_files.user_id = ?)", true, @user.id] #1
48 conditions = ["gpx_files.public = ?", true] #2
51 if @user and @user == target_user
52 conditions = ["gpx_files.user_id = ?", @user.id] #3 (check vs user id, so no join + can't pick up non-public traces by changing name)
54 conditions = ["gpx_files.public = ? AND gpx_files.user_id = ?", true, target_user.id] #4
61 files = Tracetag.find_all_by_tag(params[:tag]).collect { |tt| tt.gpx_id }
64 conditions[0] += " AND gpx_files.id IN (#{files.join(',')})"
66 conditions[0] += " AND 0 = 1"
70 conditions[0] += " AND gpx_files.visible = ?"
73 @trace_pages, @traces = paginate(:traces,
74 :include => [:user, :tags],
75 :conditions => conditions,
76 :order => "gpx_files.timestamp DESC",
79 # put together SET of tags across traces, for related links
82 @traces.each do |trace|
83 trace.tags.reload if params[:tag] # if searched by tag, ActiveRecord won't bring back other tags, so do explicitly here
84 trace.tags.each do |tag|
85 tagset[tag.tag] = tag.tag
90 # final helper vars for view
92 @display_name = target_user.display_name if target_user
93 @all_tags = tagset.values
97 # Load the preference of whether the user set the trace public the last time
99 if @user.preferences.find(:first, :conditions => {:k => "gps.trace.public", :v => "default"}).nil?
100 @trace.public = false
108 @trace = Trace.find(params[:id])
110 if @trace and @trace.visible? and
111 (@trace.public? or @trace.user == @user)
112 @title = t 'trace.view.title', :name => @trace.name
114 flash[:notice] = t 'trace.view.trace_not_found'
115 redirect_to :controller => 'trace', :action => 'list'
117 rescue ActiveRecord::RecordNotFound
118 flash[:notice] = t 'trace.view.trace_not_found'
119 redirect_to :controller => 'trace', :action => 'list'
124 logger.info(params[:trace][:gpx_file].class.name)
125 if params[:trace][:gpx_file].respond_to?(:read)
126 do_create(params[:trace][:gpx_file], params[:trace][:tagstring],
127 params[:trace][:description], params[:trace][:public])
130 logger.info("id is #{@trace.id}")
131 flash[:notice] = t 'trace.create.trace_uploaded'
133 redirect_to :action => 'mine'
136 @trace = Trace.new({:name => "Dummy",
137 :tagstring => params[:trace][:tagstring],
138 :description => params[:trace][:description],
139 :public => params[:trace][:public],
140 :inserted => false, :user => @user,
141 :timestamp => Time.now.getutc})
143 @trace.errors.add(:gpx_file, "can't be blank")
146 @title = t 'trace.create.upload_trace'
150 trace = Trace.find(params[:id])
152 if trace.visible? and (trace.public? or (@user and @user == trace.user))
153 if request.format == Mime::XML
154 send_file(trace.xml_file, :filename => "#{trace.id}.xml", :type => Mime::XML.to_s, :disposition => 'attachment')
156 send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
159 render :nothing => true, :status => :not_found
161 rescue ActiveRecord::RecordNotFound
162 render :nothing => true, :status => :not_found
166 @trace = Trace.find(params[:id])
168 if @user and @trace.user == @user
169 @title = t 'trace.edit.title', :name => @trace.name
171 @trace.description = params[:trace][:description]
172 @trace.tagstring = params[:trace][:tagstring]
174 redirect_to :action => 'view'
178 render :nothing => true, :status => :forbidden
180 rescue ActiveRecord::RecordNotFound
181 render :nothing => true, :status => :not_found
185 trace = Trace.find(params[:id])
187 if @user and trace.user == @user
188 if request.post? and trace.visible?
189 trace.visible = false
191 flash[:notice] = t 'trace.delete.scheduled_for_deletion'
192 redirect_to :controller => 'traces', :action => 'mine'
194 render :nothing => true, :status => :bad_request
197 render :nothing => true, :status => :forbidden
199 rescue ActiveRecord::RecordNotFound
200 render :nothing => true, :status => :not_found
204 trace = Trace.find(params[:id])
206 if @user and trace.user == @user
207 if request.post? and !trace.public?
210 flash[:notice] = t 'trace.make_public.made_public'
211 redirect_to :controller => 'trace', :action => 'view', :id => params[:id]
213 render :nothing => true, :status => :bad_request
216 render :nothing => true, :status => :forbidden
218 rescue ActiveRecord::RecordNotFound
219 render :nothing => true, :status => :not_found
223 conditions = ["gpx_files.public = ?", true]
225 if params[:display_name]
226 conditions[0] += " AND users.display_name = ?"
227 conditions << params[:display_name]
231 conditions[0] += " AND EXISTS (SELECT * FROM gpx_file_tags AS gft WHERE gft.gpx_id = gpx_files.id AND gft.tag = ?)"
232 conditions << params[:tag]
235 traces = Trace.find(:all, :include => :user, :conditions => conditions,
236 :order => "timestamp DESC", :limit => 20)
238 rss = OSM::GeoRSS.new
240 traces.each do |trace|
241 rss.add(trace.latitude, trace.longitude, trace.name, trace.user.display_name, url_for({:controller => 'trace', :action => 'view', :id => trace.id, :display_name => trace.user.display_name}), "<img src='#{url_for({:controller => 'trace', :action => 'icon', :id => trace.id, :user_login => trace.user.display_name})}'> GPX file with #{trace.size} points from #{trace.user.display_name}", trace.timestamp)
244 render :text => rss.to_s, :content_type => "application/rss+xml"
248 trace = Trace.find(params[:id])
251 if trace.public? or (@user and @user == trace.user)
252 expires_in 7.days, :private => !trace.public, :public => trace.public
253 send_file(trace.large_picture_name, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline')
255 render :nothing => true, :status => :forbidden
258 render :nothing => true, :status => :not_found
260 rescue ActiveRecord::RecordNotFound
261 render :nothing => true, :status => :not_found
265 trace = Trace.find(params[:id])
268 if trace.public? or (@user and @user == trace.user)
269 expires_in 7.days, :private => !trace.public, :public => trace.public
270 send_file(trace.icon_picture_name, :filename => "#{trace.id}_icon.gif", :type => 'image/gif', :disposition => 'inline')
272 render :nothing => true, :status => :forbidden
275 render :nothing => true, :status => :not_found
277 rescue ActiveRecord::RecordNotFound
278 render :nothing => true, :status => :not_found
282 trace = Trace.find(params[:id])
284 if trace.public? or trace.user == @user
285 render :text => trace.to_xml.to_s, :content_type => "text/xml"
287 render :nothing => true, :status => :forbidden
289 rescue ActiveRecord::RecordNotFound
290 render :nothing => true, :status => :not_found
294 trace = Trace.find(params[:id])
296 if trace.public? or trace.user == @user
297 send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
299 render :nothing => true, :status => :forbidden
301 rescue ActiveRecord::RecordNotFound
302 render :nothing => true, :status => :not_found
307 tags = params[:tags] || ""
308 description = params[:description] || ""
309 pub = params[:public] || false
311 if params[:file].respond_to?(:read)
312 do_create(params[:file], tags, description, pub)
315 render :text => @trace.id.to_s, :content_type => "text/plain"
317 render :nothing => true, :status => :internal_server_error
319 render :nothing => true, :status => :bad_request
322 render :nothing => true, :status => :bad_request
325 render :nothing => true, :status => :method_not_allowed
331 def do_create(file, tags, description, public)
332 # Sanitise the user's filename
333 name = file.original_filename.gsub(/[^a-zA-Z0-9.]/, '_')
335 # Get a temporary filename...
336 filename = "/tmp/#{rand}"
338 # ...and save the uploaded file to that location
339 File.open(filename, "w") { |f| f.write(file.read) }
341 # Create the trace object, falsely marked as already
342 # inserted to stop the import daemon trying to load it
346 :description => description,
350 :timestamp => Time.now.getutc
353 # Save the trace object
355 # Rename the temporary file to the final name
356 FileUtils.mv(filename, @trace.trace_name)
358 # Clear the inserted flag to make the import daemon load the trace
359 @trace.inserted = false
362 # Remove the file as we have failed to update the database
363 FileUtils.rm_f(filename)
366 # Finally save whether the user marked the trace as being public
368 if @user.trace_public_default.nil?
369 @user.preferences.create(:k => "gps.trace.public", :v => "default")
372 pref = @user.trace_public_default
373 pref.destroy unless pref.nil?