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')
11 page_index = params[:page] ? params[:page].to_i - 1 : 0 # nice 1-based page -> 0-based page index
13 # from display name, pick up user id if one user's traces only
14 display_name = params[:display_name]
15 if target_user.nil? and display_name and display_name != ''
16 @paging_action = 'view'
17 @display_name = display_name
18 target_user = User.find(:first, :conditions => [ "display_name = ?", display_name])
22 opt[:include] = [:user, :tags] # load users and tags from db at same time as traces
25 # 1 - all traces, logged in = all public traces + all user's (i.e + all mine)
26 # 2 - all traces, not logged in = all public traces
27 # 3 - user's traces, logged in as same user = all user's traces
28 # 4 - user's traces, not logged in as that user = all user's public traces
29 if target_user.nil? # all traces
31 conditions = ["(public = 1 OR user_id = ?)", @user.id] #1
33 conditions = ["public = 1"] #2
36 if @user and @user.id == target_user.id
37 conditions = ["user_id = ?", @user.id] #3 (check vs user id, so no join + can't pick up non-public traces by changing name)
39 conditions = ["public = 1 AND user_id = ?", target_user.id] #4
42 conditions[0] += " AND users.display_name != ''" # users need to set display name before traces will be exposed
44 opt[:order] = 'timestamp DESC'
47 conditions[0] += " AND gpx_file_tags.tag = ?"
51 opt[:conditions] = conditions
53 # count traces using all options except limit
54 @max_trace = Trace.count(opt)
55 @max_page = Integer((@max_trace + 1) / @traces_per_page)
57 # last step before fetch - add paging options
58 opt[:limit] = @traces_per_page
60 opt[:offset] = @traces_per_page * page_index
63 @traces = Trace.find(:all , opt)
65 # put together SET of tags across traces, for related links
68 @traces.each do |trace|
69 trace.tags.reload if params[:tag] # if searched by tag, ActiveRecord won't bring back other tags, so do explicitly here
70 trace.tags.each do |tag|
71 tagset[tag.tag] = tag.tag
76 # final helper vars for view
77 @display_name = display_name
78 @all_tags = tagset.values
79 @paging_action = paging_action # the action that paging requests should route back to, e.g. 'list' or 'mine'
80 @page = page_index + 1 # nice 1-based external page numbers
85 list(@user, 'mine') unless @user.nil?
87 redirect_to :controller => 'user', :action => 'login'
92 @trace = Trace.find(params[:id])
95 render :nothing, :status => 401 if @trace.user.id != @user.id
101 filename = "/tmp/#{rand}"
103 File.open(filename, "w") { |f| f.write(params[:trace][:gpx_file].read) }
104 params[:trace][:name] = params[:trace][:gpx_file].original_filename.gsub(/[^a-zA-Z0-9.]/, '_') # This makes sure filenames are sane
105 params[:trace].delete('gpx_file') # remove the field from the hash, because there's no such field in the DB
106 @trace = Trace.new(params[:trace])
107 @trace.inserted = false
109 @trace.timestamp = Time.now
112 saved_filename = "/home/osm/gpx/#{@trace.id}.gpx"
113 File.rename(filename, saved_filename)
115 logger.info("id is #{@trace.id}")
116 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."
117 redirect_to :action => 'mine'
119 # fixme throw an error here
120 redirect_to :action => 'mine'
121 flash[:notice] = "You haven't entered a tag or a description for yoru traces."
126 trace = Trace.find(params[:id])
127 if trace.public? or (@user and @user == trace.user)
128 send_data(File.open("/home/osm/gpx/#{trace.id}.gpx",'r').read , :filename => "#{trace.id}.gpx", :type => 'text/plain', :disposition => 'inline')
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/xml+rss'
154 render :text => rss.to_s
158 trace = Trace.find(params[:id])
159 send_data(trace.large_picture, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline') if trace.public? or (@user and @user == trace.user)
163 trace = Trace.find(params[:id])
164 send_data(trace.icon_picture, :filename => "#{trace.id}_icon.gif", :type => 'image/gif', :disposition => 'inline') if trace.public? or (@user and @user == trace.user)
168 trace = Trace.find(params[:id])
169 doc = OSM::API.new.get_xml_doc
170 doc.root << trace.to_xml_node() if trace.public? or trace.user == @user
171 render :text => doc.to_s
175 render :action => 'data'
179 #FIXME merge this code with create as they're pretty similar?
181 filename = "/tmp/#{rand}"
182 File.open(filename, "w") { |f| f.write(request.raw_post) }
184 params[:trace][:name] = params[:filename]
185 params[:trace][:tagstring] = params[:tags]
186 params[:trace][:description] = params[:description]
187 @trace = Trace.new(params[:trace])
188 @trace.inserted = false
190 @trace.timestamp = Time.now
193 saved_filename = "/home/osm/gpx/#{@trace.id}.gpx"
194 File.rename(filename, saved_filename)
195 logger.info("id is #{@trace.id}")
196 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."
197 render :nothing => true
199 render :nothing => true, :status => 400 # er FIXME what fricking code to return?