1 class TraceController < ApplicationController
2 before_filter :authorize_web
3 before_filter :authorize, :only => [:api_details, :api_data, :api_create]
6 # Counts and selects pages of GPX traces for various criteria (by user, tags, public etc.).
7 # target_user - if set, specifies the user to fetch traces for. if not set will fetch all traces
8 def list (target_user = nil)
9 # from display name, pick up user id if one user's traces only
10 display_name = params[:display_name]
11 if target_user.nil? and !display_name.blank?
12 @display_name = display_name
13 target_user = User.find(:first, :conditions => [ "display_name = ?", display_name])
18 @title = "public GPS traces"
19 elsif target_user.id == @user.id
20 @title = "your GPS traces"
22 @title = "public GPS traces from #{target_user.display_name}"
25 @title += " tagged with #{params[:tag]}" if params[:tag]
28 opt[:include] = [:user, :tags] # load users and tags from db at same time as traces
31 # 1 - all traces, logged in = all public traces + all user's (i.e + all mine)
32 # 2 - all traces, not logged in = all public traces
33 # 3 - user's traces, logged in as same user = all user's traces
34 # 4 - user's traces, not logged in as that user = all user's public traces
35 if target_user.nil? # all traces
37 conditions = ["(public = 1 OR user_id = ?)", @user.id] #1
39 conditions = ["public = 1"] #2
42 if @user and @user.id == target_user.id
43 conditions = ["user_id = ?", @user.id] #3 (check vs user id, so no join + can't pick up non-public traces by changing name)
45 conditions = ["public = 1 AND user_id = ?", target_user.id] #4
48 conditions[0] += " AND users.display_name != ''" # users need to set display name before traces will be exposed
50 opt[:order] = 'timestamp DESC'
53 conditions[0] += " AND gpx_file_tags.tag = ?"
57 opt[:conditions] = conditions
60 @trace_pages, @traces = paginate(:traces, opt)
62 # put together SET of tags across traces, for related links
65 @traces.each do |trace|
66 trace.tags.reload if params[:tag] # if searched by tag, ActiveRecord won't bring back other tags, so do explicitly here
67 trace.tags.each do |tag|
68 tagset[tag.tag] = tag.tag
73 # final helper vars for view
74 @display_name = display_name
75 @all_tags = tagset.values
80 list(@user) unless @user.nil?
82 redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri
87 @trace = Trace.find(params[:id])
90 render :nothing, :status => :forbidden if @trace.user.id != @user.id
93 rescue ActiveRecord::RecordNotFound
94 render :nothing => true, :status => :not_found
98 name = params[:trace][:gpx_file].original_filename.gsub(/[^a-zA-Z0-9.]/, '_') # This makes sure filenames are sane
100 do_create(name, params[:trace][:tagstring], params[:trace][:description], params[:trace][:public]) do |f|
101 f.write(params[:trace][:gpx_file].read)
105 logger.info("id is #{@trace.id}")
106 flash[:notice] = "Your GPX file has been uploaded and is awaiting insertion in to the database. This will usually happen within half an hour, and an email will be sent to you on completion."
108 redirect_to :action => 'mine'
113 trace = Trace.find(params[:id])
114 if trace and (trace.public? or (@user and @user == trace.user))
115 send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
117 render :nothing, :status => :not_found
122 trace = Trace.find(params[:id])
123 if @user and trace.user == @user and !trace.public
126 flash[:notice] = 'Track made public'
127 redirect_to :controller => 'trace', :action => 'view', :id => params[:id]
132 traces = Trace.find(:all, :conditions => ['public = true'], :order => 'timestamp DESC', :limit => 20)
134 rss = OSM::GeoRSS.new
136 #def add(latitude=0, longitude=0, title_text='dummy title', url='http://www.example.com/', description_text='dummy description', timestamp=Time.now)
137 traces.each do |trace|
138 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)
141 render :text => rss.to_s, :content_type => "application/rss+xml"
146 trace = Trace.find(params[:id])
148 if trace.public? or (@user and @user == trace.user)
149 send_file(trace.large_picture_name, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline')
151 render :nothing, :status => :forbidden
153 rescue ActiveRecord::RecordNotFound
154 render :nothing => true, :status => :not_found
156 render :nothing => true, :status => :internal_server_error
162 trace = Trace.find(params[:id])
164 if trace.public? or (@user and @user == trace.user)
165 send_file(trace.icon_picture_name, :filename => "#{trace.id}_icon.gif", :type => 'image/gif', :disposition => 'inline')
167 render :nothing, :status => :forbidden
169 rescue ActiveRecord::RecordNotFound
170 render :nothing => true, :status => :not_found
172 render :nothing => true, :status => :internal_server_error
178 trace = Trace.find(params[:id])
180 if trace.public? or trace.user == @user
181 render :text => trace.to_xml.to_s, :content_type => "text/xml"
183 render :nothing => true, :status => :forbidden
185 rescue ActiveRecord::RecordNotFound
186 render :nothing => true, :status => :not_found
188 render :nothing => true, :status => :internal_server_error
193 render :action => 'data'
197 do_create(params[:filename], params[:tags], params[:description], true) do |f|
198 f.write(request.raw_post)
202 render :nothing => true
204 render :nothing => true, :status => :internal_server_error
210 def do_create(name, tags, description, public)
211 filename = "/tmp/#{rand}"
213 File.open(filename, "w") { |f| yield f }
215 @trace = Trace.new({:name => name, :tagstring => tags,
216 :description => description, :public => public})
217 @trace.inserted = false
219 @trace.timestamp = Time.now
222 File.rename(filename, @trace.trace_name)
224 FileUtils.rm_f(filename)