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'
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
55 # count traces using all options except limit
56 @max_trace = Trace.count(opt)
57 @max_page = Integer((@max_trace + 1) / @traces_per_page)
59 # last step before fetch - add paging options
60 opt[:limit] = @traces_per_page
62 opt[:offset] = @traces_per_page * page_index
65 @traces = Trace.find(:all , opt)
67 # put together SET of tags across traces, for related links
70 @traces.each do |trace|
71 trace.tags.reload if params[:tag] # if searched by tag, ActiveRecord won't bring back other tags, so do explicitly here
72 trace.tags.each do |tag|
73 tagset[tag.tag] = tag.tag
78 # final helper vars for view
79 @display_name = display_name
80 @all_tags = tagset.values
81 @paging_action = paging_action # the action that paging requests should route back to, e.g. 'list' or 'mine'
82 @page = page_index + 1 # nice 1-based external page numbers
87 list(@user, 'mine') unless @user.nil?
89 redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri
94 @trace = Trace.find(params[:id])
97 render :nothing, :status => 401 if @trace.user.id != @user.id
103 filename = "/tmp/#{rand}"
105 File.open(filename, "w") { |f| f.write(params[:trace][:gpx_file].read) }
106 params[:trace][:name] = params[:trace][:gpx_file].original_filename.gsub(/[^a-zA-Z0-9.]/, '_') # This makes sure filenames are sane
107 params[:trace].delete('gpx_file') # remove the field from the hash, because there's no such field in the DB
108 @trace = Trace.new(params[:trace])
109 @trace.inserted = false
111 @trace.timestamp = Time.now
114 saved_filename = "/home/osm/gpx/#{@trace.id}.gpx"
115 File.rename(filename, saved_filename)
117 logger.info("id is #{@trace.id}")
118 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."
119 redirect_to :action => 'mine'
124 trace = Trace.find(params[:id])
125 if trace and (trace.public? or (@user and @user == trace.user))
126 send_file(trace.trace_name, :filename => "#{trace.id}.gpx", :type => trace.mime_type, :disposition => 'attachment')
128 render :nothing, :status => 404
133 trace = Trace.find(params[:id])
134 if @user and trace.user == @user and !trace.public
137 flash[:notice] = 'Track made public'
138 redirect_to :controller => 'trace', :action => 'view', :id => params[:id]
143 traces = Trace.find(:all, :conditions => ['public = true'], :order => 'timestamp DESC', :limit => 20)
145 rss = OSM::GeoRSS.new
147 #def add(latitude=0, longitude=0, title_text='dummy title', url='http://www.example.com/', description_text='dummy description', timestamp=Time.now)
148 traces.each do |trace|
149 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)
152 response.headers["Content-Type"] = 'application/rss+xml'
154 render :text => rss.to_s
158 trace = Trace.find(params[:id])
159 if trace and (trace.public? or (@user and @user == trace.user))
160 send_file(trace.large_picture_name, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline')
162 render :nothing, :status => 404
167 trace = Trace.find(params[:id])
168 if trace and (trace.public? or (@user and @user == trace.user))
169 send_file(trace.icon_picture_name, :filename => "#{trace.id}_icon.gif", :type => 'image/gif', :disposition => 'inline')
171 render :nothing, :status => 404
176 trace = Trace.find(params[:id])
177 doc = OSM::API.new.get_xml_doc
178 doc.root << trace.to_xml_node() if trace.public? or trace.user == @user
179 render :text => doc.to_s
183 render :action => 'data'
187 #FIXME merge this code with create as they're pretty similar?
189 filename = "/tmp/#{rand}"
190 File.open(filename, "w") { |f| f.write(request.raw_post) }
192 params[:trace][:name] = params[:filename]
193 params[:trace][:tagstring] = params[:tags]
194 params[:trace][:description] = params[:description]
195 @trace = Trace.new(params[:trace])
196 @trace.inserted = false
198 @trace.timestamp = Time.now
201 saved_filename = "/home/osm/gpx/#{@trace.id}.gpx"
202 File.rename(filename, saved_filename)
203 logger.info("id is #{@trace.id}")
204 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."
205 render :nothing => true
207 render :nothing => true, :status => 400 # er FIXME what fricking code to return?