1 class TraceController < ApplicationController
4 before_filter :authorize_web
5 before_filter :set_locale
6 before_filter :require_user, :only => [:mine, :create, :edit, :delete]
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]
10 before_filter :check_api_readable, :only => [:api_details, :api_data]
11 before_filter :check_api_writable, :only => [:api_create]
12 before_filter :require_allow_read_gpx, :only => [:api_details, :api_data]
13 before_filter :require_allow_write_gpx, :only => [:api_create]
14 before_filter :offline_warning, :only => [:mine, :view]
15 before_filter :offline_redirect, :only => [:create, :edit, :delete, :data, :api_data, :api_create]
16 around_filter :api_call_handle_error, :only => [:api_details, :api_data, :api_create]
18 caches_action :list, :unless => :logged_in?, :layout => false
19 caches_action :view, :layout => false
20 caches_action :georss, :layout => true
21 cache_sweeper :trace_sweeper, :only => [:create, :edit, :delete, :api_create], :unless => OSM_STATUS == :database_offline
22 cache_sweeper :tracetag_sweeper, :only => [:create, :edit, :delete, :api_create], :unless => OSM_STATUS == :database_offline
24 # Counts and selects pages of GPX traces for various criteria (by user, tags, public etc.).
25 # target_user - if set, specifies the user to fetch traces for. if not set will fetch all traces
27 # from display name, pick up user id if one user's traces only
28 display_name = params[:display_name]
29 if !display_name.blank?
30 target_user = User.find(:first, :conditions => { :status => ["active", "confirmed"], :display_name => display_name })
32 @title = t'trace.no_such_user.title'
33 @not_found_user = display_name
34 render :action => 'no_such_user', :status => :not_found
41 @title = t 'trace.list.public_traces'
42 elsif @user and @user == target_user
43 @title = t 'trace.list.your_traces'
45 @title = t 'trace.list.public_traces_from', :user => target_user.display_name
48 @title += t 'trace.list.tagged_with', :tags => params[:tag] if params[:tag]
51 # 1 - all traces, logged in = all public traces + all user's (i.e + all mine)
52 # 2 - all traces, not logged in = all public traces
53 # 3 - user's traces, logged in as same user = all user's traces
54 # 4 - user's traces, not logged in as that user = all user's public traces
55 if target_user.nil? # all traces
57 conditions = ["(gpx_files.visibility in ('public', 'identifiable') OR gpx_files.user_id = ?)", @user.id] #1
59 conditions = ["gpx_files.visibility in ('public', 'identifiable')"] #2
62 if @user and @user == target_user
63 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)
65 conditions = ["gpx_files.visibility in ('public', 'identifiable') AND gpx_files.user_id = ?", target_user.id] #4
72 files = Tracetag.find_all_by_tag(params[:tag]).collect { |tt| tt.gpx_id }
75 conditions[0] += " AND gpx_files.id IN (#{files.join(',')})"
77 conditions[0] += " AND 0 = 1"
81 conditions[0] += " AND gpx_files.visible = ?"
84 @page = (params[:page] || 1).to_i
87 @traces = Trace.find(:all,
88 :include => [:user, :tags],
89 :conditions => conditions,
90 :order => "gpx_files.timestamp DESC",
91 :offset => (@page - 1) * @page_size,
94 # put together SET of tags across traces, for related links
97 @traces.each do |trace|
98 trace.tags.reload if params[:tag] # if searched by tag, ActiveRecord won't bring back other tags, so do explicitly here
99 trace.tags.each do |tag|
100 tagset[tag.tag] = tag.tag
105 # final helper vars for view
106 @target_user = target_user
107 @display_name = target_user.display_name if target_user
108 @all_tags = tagset.values
109 @trace = Trace.new(:visibility => default_visibility) if @user
113 redirect_to :action => :list, :display_name => @user.display_name
117 @trace = Trace.find(params[:id])
119 if @trace and @trace.visible? and
120 (@trace.public? or @trace.user == @user)
121 @title = t 'trace.view.title', :name => @trace.name
123 flash[:error] = t 'trace.view.trace_not_found'
124 redirect_to :controller => 'trace', :action => 'list'
126 rescue ActiveRecord::RecordNotFound
127 flash[:error] = t 'trace.view.trace_not_found'
128 redirect_to :controller => 'trace', :action => 'list'
133 logger.info(params[:trace][:gpx_file].class.name)
134 if params[:trace][:gpx_file].respond_to?(:read)
136 do_create(params[:trace][:gpx_file], params[:trace][:tagstring],
137 params[:trace][:description], params[:trace][:visibility])
143 logger.info("id is #{@trace.id}")
144 flash[:notice] = t 'trace.create.trace_uploaded'
146 if @user.traces.count(:conditions => { :inserted => false }) > 4
147 flash[:warning] = t 'trace.trace_header.traces_waiting', :count => @user.traces.count(:conditions => { :inserted => false })
150 redirect_to :action => 'mine'
153 @trace = Trace.new({:name => "Dummy",
154 :tagstring => params[:trace][:tagstring],
155 :description => params[:trace][:description],
156 :visibility => params[:trace][:visibility],
157 :inserted => false, :user => @user,
158 :timestamp => Time.now.getutc})
160 @trace.errors.add(:gpx_file, "can't be blank")
163 @title = t 'trace.create.upload_trace'
167 trace = Trace.find(params[:id])
169 if trace.visible? and (trace.public? or (@user and @user == trace.user))
170 if request.format == Mime::XML
171 send_file(trace.xml_file, :filename => "#{trace.id}.xml", :type => Mime::XML.to_s, :disposition => 'attachment')
173 send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
176 render :nothing => true, :status => :not_found
178 rescue ActiveRecord::RecordNotFound
179 render :nothing => true, :status => :not_found
183 @trace = Trace.find(params[:id])
185 if @user and @trace.user == @user
186 @title = t 'trace.edit.title', :name => @trace.name
188 @trace.description = params[:trace][:description]
189 @trace.tagstring = params[:trace][:tagstring]
190 @trace.visibility = params[:trace][:visibility]
192 redirect_to :action => 'view'
196 render :nothing => true, :status => :forbidden
198 rescue ActiveRecord::RecordNotFound
199 render :nothing => true, :status => :not_found
203 trace = Trace.find(params[:id])
205 if @user and trace.user == @user
206 if request.post? and trace.visible?
207 trace.visible = false
209 flash[:notice] = t 'trace.delete.scheduled_for_deletion'
210 redirect_to :controller => 'traces', :action => 'mine'
212 render :nothing => true, :status => :bad_request
215 render :nothing => true, :status => :forbidden
217 rescue ActiveRecord::RecordNotFound
218 render :nothing => true, :status => :not_found
222 conditions = ["gpx_files.visibility in ('public', 'identifiable')"]
224 if params[:display_name]
225 conditions[0] += " AND users.display_name = ?"
226 conditions << params[:display_name]
230 conditions[0] += " AND EXISTS (SELECT * FROM gpx_file_tags AS gft WHERE gft.gpx_id = gpx_files.id AND gft.tag = ?)"
231 conditions << params[:tag]
234 traces = Trace.find(:all, :include => :user, :conditions => conditions,
235 :order => "timestamp DESC", :limit => 20)
237 rss = OSM::GeoRSS.new
239 traces.each do |trace|
240 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, :display_name => trace.user.display_name})}'> GPX file with #{trace.size} points from #{trace.user.display_name}", trace.timestamp)
243 render :text => rss.to_s, :content_type => "application/rss+xml"
247 trace = Trace.find(params[:id])
250 if trace.public? or (@user and @user == trace.user)
251 expires_in 7.days, :private => !trace.public?, :public => trace.public?
252 send_file(trace.large_picture_name, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline')
254 render :nothing => true, :status => :forbidden
257 render :nothing => true, :status => :not_found
259 rescue ActiveRecord::RecordNotFound
260 render :nothing => true, :status => :not_found
264 trace = Trace.find(params[:id])
267 if trace.public? or (@user and @user == trace.user)
268 expires_in 7.days, :private => !trace.public?, :public => trace.public?
269 send_file(trace.icon_picture_name, :filename => "#{trace.id}_icon.gif", :type => 'image/gif', :disposition => 'inline')
271 render :nothing => true, :status => :forbidden
274 render :nothing => true, :status => :not_found
276 rescue ActiveRecord::RecordNotFound
277 render :nothing => true, :status => :not_found
281 trace = Trace.find(params[:id])
283 if trace.public? or trace.user == @user
284 render :text => trace.to_xml.to_s, :content_type => "text/xml"
286 render :nothing => true, :status => :forbidden
288 rescue ActiveRecord::RecordNotFound
289 render :nothing => true, :status => :not_found
293 trace = Trace.find(params[:id])
295 if trace.public? or trace.user == @user
296 send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
298 render :nothing => true, :status => :forbidden
300 rescue ActiveRecord::RecordNotFound
301 render :nothing => true, :status => :not_found
306 tags = params[:tags] || ""
307 description = params[:description] || ""
308 visibility = params[:visibility]
311 if params[:public] && params[:public].to_i.nonzero?
312 visibility = "public"
314 visibility = "private"
318 if params[:file].respond_to?(:read)
319 do_create(params[:file], tags, description, visibility)
322 render :text => @trace.id.to_s, :content_type => "text/plain"
324 render :nothing => true, :status => :internal_server_error
326 render :nothing => true, :status => :bad_request
329 render :nothing => true, :status => :bad_request
332 render :nothing => true, :status => :method_not_allowed
338 def do_create(file, tags, description, visibility)
339 # Sanitise the user's filename
340 name = file.original_filename.gsub(/[^a-zA-Z0-9.]/, '_')
342 # Get a temporary filename...
343 filename = "/tmp/#{rand}"
345 # ...and save the uploaded file to that location
346 File.open(filename, "w") { |f| f.write(file.read) }
348 # Create the trace object, falsely marked as already
349 # inserted to stop the import daemon trying to load it
353 :description => description,
354 :visibility => visibility,
357 :timestamp => Time.now.getutc
362 # Save the trace object
365 # Rename the temporary file to the final name
366 FileUtils.mv(filename, @trace.trace_name)
367 rescue Exception => ex
368 # Remove the file as we have failed to update the database
369 FileUtils.rm_f(filename)
371 # Pass the exception on
376 # Clear the inserted flag to make the import daemon load the trace
377 @trace.inserted = false
379 rescue Exception => ex
380 # Remove the file as we have failed to update the database
381 FileUtils.rm_f(@trace.trace_name)
383 # Pass the exception on
388 # Finally save the user's preferred privacy level
389 if pref = @user.preferences.find(:first, :conditions => {:k => "gps.trace.visibility"})
393 @user.preferences.create(:k => "gps.trace.visibility", :v => visibility)
399 flash.now[:warning] = t 'trace.offline_warning.message' if OSM_STATUS == :gpx_offline
403 redirect_to :action => :offline if OSM_STATUS == :gpx_offline
406 def default_visibility
407 visibility = @user.preferences.find(:first, :conditions => {:k => "gps.trace.visibility"})
411 elsif @user.preferences.find(:first, :conditions => {:k => "gps.trace.public", :v => "default"}).nil?