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 # paging_action - the action that will be linked back to from view
9 def list (target_user = nil, paging_action = 'list')
10 @title = 'public GPS traces'
11 @title += " tagged with #{params[:tag]}" if params[:tag]
12 page_index = params[:page] ? params[:page].to_i - 1 : 0 # nice 1-based page -> 0-based page index
14 # from display name, pick up user id if one user's traces only
15 display_name = params[:display_name]
16 if target_user.nil? and display_name and display_name != ''
17 @paging_action = 'view'
18 @display_name = display_name
19 @title += " from #{@display_name}"
20 target_user = User.find(:first, :conditions => [ "display_name = ?", display_name])
24 opt[:include] = [:user, :tags] # load users and tags from db at same time as traces
27 # 1 - all traces, logged in = all public traces + all user's (i.e + all mine)
28 # 2 - all traces, not logged in = all public traces
29 # 3 - user's traces, logged in as same user = all user's traces
30 # 4 - user's traces, not logged in as that user = all user's public traces
31 if target_user.nil? # all traces
33 conditions = ["(public = 1 OR user_id = ?)", @user.id] #1
35 conditions = ["public = 1"] #2
38 if @user and @user.id == target_user.id
39 conditions = ["user_id = ?", @user.id] #3 (check vs user id, so no join + can't pick up non-public traces by changing name)
41 conditions = ["public = 1 AND user_id = ?", target_user.id] #4
44 conditions[0] += " AND users.display_name != ''" # users need to set display name before traces will be exposed
46 opt[:order] = 'timestamp DESC'
49 conditions[0] += " AND gpx_file_tags.tag = ?"
53 opt[:conditions] = conditions
56 @trace_pages, @traces = paginate(:traces, opt)
58 # put together SET of tags across traces, for related links
61 @traces.each do |trace|
62 trace.tags.reload if params[:tag] # if searched by tag, ActiveRecord won't bring back other tags, so do explicitly here
63 trace.tags.each do |tag|
64 tagset[tag.tag] = tag.tag
69 # final helper vars for view
70 @display_name = display_name
71 @all_tags = tagset.values
72 ## @paging_action = paging_action # the action that paging requests should route back to, e.g. 'list' or 'mine'
73 ## @page = page_index + 1 # nice 1-based external page numbers
78 list(@user, 'mine') unless @user.nil?
80 redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri
85 @trace = Trace.find(params[:id])
88 render :nothing, :status => :forbidden if @trace.user.id != @user.id
91 rescue ActiveRecord::RecordNotFound
92 render :nothing => true, :status => :not_found
96 name = params[:trace][:gpx_file].original_filename.gsub(/[^a-zA-Z0-9.]/, '_') # This makes sure filenames are sane
98 do_create(name, params[:trace][:tagstring], params[:trace][:description], params[:trace][:public]) do |f|
99 f.write(params[:trace][:gpx_file].read)
103 logger.info("id is #{@trace.id}")
104 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."
106 redirect_to :action => 'mine'
111 trace = Trace.find(params[:id])
112 if trace and (trace.public? or (@user and @user == trace.user))
113 send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
115 render :nothing, :status => :not_found
120 trace = Trace.find(params[:id])
121 if @user and trace.user == @user and !trace.public
124 flash[:notice] = 'Track made public'
125 redirect_to :controller => 'trace', :action => 'view', :id => params[:id]
130 traces = Trace.find(:all, :conditions => ['public = true'], :order => 'timestamp DESC', :limit => 20)
132 rss = OSM::GeoRSS.new
134 #def add(latitude=0, longitude=0, title_text='dummy title', url='http://www.example.com/', description_text='dummy description', timestamp=Time.now)
135 traces.each do |trace|
136 rss.add(trace.latitude, trace.longitude, trace.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)
139 render :text => rss.to_s, :content_type => "application/rss+xml"
144 trace = Trace.find(params[:id])
146 if trace.public? or (@user and @user == trace.user)
147 send_file(trace.large_picture_name, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline')
149 render :nothing, :status => :forbidden
151 rescue ActiveRecord::RecordNotFound
152 render :nothing => true, :status => :not_found
154 render :nothing => true, :status => :internal_server_error
160 trace = Trace.find(params[:id])
162 if trace.public? or (@user and @user == trace.user)
163 send_file(trace.icon_picture_name, :filename => "#{trace.id}_icon.gif", :type => 'image/gif', :disposition => 'inline')
165 render :nothing, :status => :forbidden
167 rescue ActiveRecord::RecordNotFound
168 render :nothing => true, :status => :not_found
170 render :nothing => true, :status => :internal_server_error
176 trace = Trace.find(params[:id])
178 if trace.public? or trace.user == @user
179 render :text => trace.to_xml.to_s, :content_type => "text/xml"
181 render :nothing => true, :status => :forbidden
183 rescue ActiveRecord::RecordNotFound
184 render :nothing => true, :status => :not_found
186 render :nothing => true, :status => :internal_server_error
191 render :action => 'data'
195 do_create(params[:filename], params[:tags], params[:description], true) do |f|
196 f.write(request.raw_post)
200 render :nothing => true
202 render :nothing => true, :status => :internal_server_error
208 def do_create(name, tags, description, public)
209 filename = "/tmp/#{rand}"
211 File.open(filename, "w") { |f| yield f }
213 @trace = Trace.new({:name => name, :tagstring => tags,
214 :description => description, :public => public})
215 @trace.inserted = false
217 @trace.timestamp = Time.now
220 File.rename(filename, @trace.trace_name)
222 FileUtils.rm_f(filename)