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 target_user = User.find(:first, :conditions => [ "display_name = ?", display_name])
20 opt[:include] = [:user, :tags] # load users and tags from db at same time as traces
23 # 1 - all traces, logged in = all public traces + all user's (i.e + all mine)
24 # 2 - all traces, not logged in = all public traces
25 # 3 - user's traces, logged in as same user = all user's traces
26 # 4 - user's traces, not logged in as that user = all user's public traces
27 if target_user.nil? # all traces
29 conditions = ["(public = 1 OR user_id = ?)", @user.id] #1
31 conditions = ["public = 1"] #2
34 if @user and @user.id == target_user.id
35 conditions = ["user_id = ?", @user.id] #3 (check vs user id, so no join + can't pick up non-public traces by changing name)
37 conditions = ["public = 1 AND user_id = ?", target_user.id] #4
40 conditions[0] += " AND users.display_name != ''" # users need to set display name before traces will be exposed
42 opt[:order] = 'timestamp DESC'
45 conditions[0] += " AND gpx_file_tags.tag = ?"
49 opt[:conditions] = conditions
51 # count traces using all options except limit
52 @max_trace = Trace.count(opt)
53 @max_page = Integer((@max_trace + 1) / @traces_per_page)
55 # last step before fetch - add paging options
56 opt[:limit] = @traces_per_page
58 opt[:offset] = @traces_per_page * page_index
61 @traces = Trace.find(:all , opt)
63 # put together SET of tags across traces, for related links
66 @traces.each do |trace|
67 trace.tags.reload if params[:tag] # if searched by tag, ActiveRecord won't bring back other tags, so do explicitly here
68 trace.tags.each do |tag|
69 tagset[tag.tag] = tag.tag
74 # final helper vars for view
75 @display_name = display_name
76 @all_tags = tagset.values
77 @paging_action = paging_action # the action that paging requests should route back to, e.g. 'list' or 'mine'
78 @page = page_index + 1 # nice 1-based external page numbers
83 list(@user, 'mine') unless @user.nil?
85 redirect_to :controller => 'user', :action => 'login'
90 @trace = Trace.find(params[:id])
93 render :nothing, :status => 401 if @trace.user.id != @user.id
99 filename = "/tmp/#{rand}"
101 File.open(filename, "w") { |f| f.write(@params['trace']['gpx_file'].read) }
102 @params['trace']['name'] = @params['trace']['gpx_file'].original_filename.gsub(/[^a-zA-Z0-9.]/, '_') # This makes sure filenames are sane
103 @params['trace'].delete('gpx_file') # remove the field from the hash, because there's no such field in the DB
104 @trace = Trace.new(@params['trace'])
105 @trace.inserted = false
107 @trace.timestamp = Time.now
110 saved_filename = "/tmp/#{@trace.id}.gpx"
111 File.rename(filename, saved_filename)
113 logger.info("id is #{@trace.id}")
114 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."
115 redirect_to :action => 'mine'
117 # fixme throw an error here
118 # render :action => 'mine'
123 trace = Trace.find(params[:id])
124 if trace.public? or (@user and @user == trace.user)
125 send_data(File.open("/tmp/#{trace.id}.gpx",'r').read , :filename => "#{trace.id}.gpx", :type => 'text/plain', :disposition => 'inline')
130 trace = Trace.find(params[:id])
131 if @user and trace.user == @user and !trace.public
134 flash[:notice] = 'Track made public'
135 redirect_to :controller => 'trace', :action => 'view', :id => params[:id]
140 traces = Trace.find(:all, :conditions => ['public = true'], :order => 'timestamp DESC', :limit => 20)
142 rss = OSM::GeoRSS.new
144 #def add(latitude=0, longitude=0, title_text='dummy title', url='http://www.example.com/', description_text='dummy description', timestamp=Time.now)
145 traces.each do |trace|
146 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)
149 response.headers["Content-Type"] = 'application/xml+rss'
151 render :text => rss.to_s
155 trace = Trace.find(params[:id])
156 send_data(trace.large_picture, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline') if trace.public? or (@user and @user == trace.user)
160 trace = Trace.find(params[:id])
161 send_data(trace.icon_picture, :filename => "#{trace.id}_icon.gif", :type => 'image/gif', :disposition => 'inline') if trace.public? or (@user and @user == trace.user)
165 trace = Trace.find(params[:id])
166 doc = OSM::API.new.get_xml_doc
167 doc.root << trace.to_xml_node() if trace.public? or trace.user == @user
168 render :text => doc.to_s
172 render :action => 'data'
176 #FIXME merge this code with create as they're pretty similar?
178 filename = "/tmp/#{rand}"
179 File.open(filename, "w") { |f| f.write(request.raw_post) }
180 @params['trace'] = {}
181 @params['trace']['name'] = params[:filename]
182 @params['trace']['tagstring'] = params[:tags]
183 @params['trace']['description'] = params[:description]
184 @trace = Trace.new(@params['trace'])
185 @trace.inserted = false
187 @trace.timestamp = Time.now
190 saved_filename = "/tmp/#{@trace.id}.gpx"
191 File.rename(filename, saved_filename)
192 logger.info("id is #{@trace.id}")
193 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."
194 render :nothing => true
196 render :nothing => true, :status => 400 # er FIXME what fricking code to return?