class TraceController < ApplicationController
- before_filter :authorize_web
layout 'site'
-
+
+ skip_before_filter :verify_authenticity_token, :only => [:api_create, :api_read, :api_update, :api_delete, :api_data]
+ before_filter :authorize_web
+ before_filter :set_locale
+ before_filter :require_user, :only => [:mine, :create, :edit, :delete]
+ before_filter :authorize, :only => [:api_create, :api_read, :api_update, :api_delete, :api_data]
+ before_filter :check_database_readable, :except => [:api_read, :api_data]
+ before_filter :check_database_writable, :only => [:create, :edit, :delete, :api_create, :api_update, :api_delete]
+ before_filter :check_api_readable, :only => [:api_read, :api_data]
+ before_filter :check_api_writable, :only => [:api_create, :api_update, :api_delete]
+ before_filter :require_allow_read_gpx, :only => [:api_read, :api_data]
+ before_filter :require_allow_write_gpx, :only => [:api_create, :api_update, :api_delete]
+ before_filter :offline_warning, :only => [:mine, :view]
+ before_filter :offline_redirect, :only => [:create, :edit, :delete, :data, :api_create, :api_delete, :api_data]
+ around_filter :api_call_handle_error, :only => [:api_create, :api_read, :api_update, :api_delete, :api_data]
+
+ caches_action :list, :unless => :logged_in?, :layout => false
+ caches_action :view, :layout => false
+ caches_action :georss, :layout => true
+ cache_sweeper :trace_sweeper, :only => [:create, :edit, :delete, :api_create, :api_update, :api_delete]
+ cache_sweeper :tracetag_sweeper, :only => [:create, :edit, :delete, :api_create, :api_update, :api_delete]
+
# Counts and selects pages of GPX traces for various criteria (by user, tags, public etc.).
# target_user - if set, specifies the user to fetch traces for. if not set will fetch all traces
- # paging_action - the action that will be linked back to from view
- def list (target_user = nil, paging_action = 'list')
- @traces_per_page = 4
- page_index = params[:page] ? params[:page].to_i - 1 : 0 # nice 1-based page -> 0-based page index
-
+ def list
# from display name, pick up user id if one user's traces only
display_name = params[:display_name]
- if target_user.nil? and display_name and display_name != ''
- target_user = User.find(:first, :conditions => [ "display_name = ?", display_name])
+ if !display_name.blank?
+ target_user = User.active.where(:display_name => display_name).first
+ if target_user.nil?
+ render_unknown_user display_name
+ return
+ end
end
- opt = Hash.new
- opt[:include] = [:user, :tags] # load users and tags from db at same time as traces
+ # set title
+ if target_user.nil?
+ @title = t 'trace.list.public_traces'
+ elsif @user and @user == target_user
+ @title = t 'trace.list.your_traces'
+ else
+ @title = t 'trace.list.public_traces_from', :user => target_user.display_name
+ end
+
+ @title += t 'trace.list.tagged_with', :tags => params[:tag] if params[:tag]
# four main cases:
# 1 - all traces, logged in = all public traces + all user's (i.e + all mine)
# 2 - all traces, not logged in = all public traces
- # 3 - user's traces, logged in as same user = all user's traces
+ # 3 - user's traces, logged in as same user = all user's traces
# 4 - user's traces, not logged in as that user = all user's public traces
if target_user.nil? # all traces
if @user
- conditions = ["(public = 1 OR user_id = ?)", @user.id] #1
+ @traces = Trace.visible_to(@user) #1
else
- conditions = ["public = 1"] #2
+ @traces = Trace.public #2
end
else
- if @user and @user.id == target_user.id
- conditions = ["user_id = ?", @user.id] #3 (check vs user id, so no join + can't pick up non-public traces by changing name)
+ if @user and @user == target_user
+ @traces = @user.traces #3 (check vs user id, so no join + can't pick up non-public traces by changing name)
else
- conditions = ["public = 1 AND user_id = ?", target_user.id] #4
+ @traces = target_user.traces.public #4
end
end
- conditions[0] += " AND users.display_name != ''" # users need to set display name before traces will be exposed
-
- opt[:order] = 'timestamp DESC'
+
if params[:tag]
- conditions[0] += " AND gpx_file_tags.tag = ?"
- conditions << params[:tag];
- end
-
- opt[:conditions] = conditions
+ @tag = params[:tag]
+
+ files = Tracetag.where(:tag => params[:tag]).select(:gpx_id).all
- # count traces using all options except limit
- @max_trace = Trace.count(opt)
- @max_page = Integer((@max_trace + 1) / @traces_per_page)
-
- # last step before fetch - add paging options
- opt[:limit] = @traces_per_page
- if page_index > 0
- opt[:offset] = @traces_per_page * page_index
+ if files.length > 0
+ @traces = @traces.where(:id => files.collect { |tt| tt.gpx_id })
+ end
end
- @traces = Trace.find(:all , opt)
-
+ @page = (params[:page] || 1).to_i
+ @page_size = 20
+
+ @traces = @traces.visible
+ @traces = @traces.order("timestamp DESC")
+ @traces = @traces.offset((@page - 1) * @page_size)
+ @traces = @traces.limit(@page_size)
+ @traces = @traces.includes(:user, :tags)
+
# put together SET of tags across traces, for related links
tagset = Hash.new
- if @traces
- @traces.each do |trace|
- trace.tags.reload if params[:tag] # if searched by tag, ActiveRecord won't bring back other tags, so do explicitly here
- trace.tags.each do |tag|
- tagset[tag.tag] = tag.tag
- end
+ @traces.each do |trace|
+ trace.tags.reload if params[:tag] # if searched by tag, ActiveRecord won't bring back other tags, so do explicitly here
+ trace.tags.each do |tag|
+ tagset[tag.tag] = tag.tag
end
end
-
+
# final helper vars for view
- @display_name = display_name
+ @target_user = target_user
+ @display_name = target_user.display_name if target_user
@all_tags = tagset.values
- @paging_action = paging_action # the action that paging requests should route back to, e.g. 'list' or 'mine'
- @page = page_index + 1 # nice 1-based external page numbers
end
def mine
- if @user
- list(@user, 'mine') unless @user.nil?
- else
- redirect_to :controller => 'user', :action => 'login'
- end
+ redirect_to :action => :list, :display_name => @user.display_name
end
def view
@trace = Trace.find(params[:id])
- unless @trace.public
- if @user
- render :nothing, :status => 401 if @trace.user.id != @user.id
- end
+
+ if @trace and @trace.visible? and
+ (@trace.public? or @trace.user == @user)
+ @title = t 'trace.view.title', :name => @trace.name
+ else
+ flash[:error] = t 'trace.view.trace_not_found'
+ redirect_to :controller => 'trace', :action => 'list'
end
+ rescue ActiveRecord::RecordNotFound
+ flash[:error] = t 'trace.view.trace_not_found'
+ redirect_to :controller => 'trace', :action => 'list'
end
def create
- filename = "/tmp/#{rand}"
+ if params[:trace]
+ logger.info(params[:trace][:gpx_file].class.name)
+
+ if params[:trace][:gpx_file].respond_to?(:read)
+ begin
+ do_create(params[:trace][:gpx_file], params[:trace][:tagstring],
+ params[:trace][:description], params[:trace][:visibility])
+ rescue => ex
+ logger.debug ex
+ end
+
+ if @trace.id
+ logger.info("id is #{@trace.id}")
+ flash[:notice] = t 'trace.create.trace_uploaded'
+
+ if @user.traces.count(:conditions => { :inserted => false }) > 4
+ flash[:warning] = t 'trace.trace_header.traces_waiting', :count => @user.traces.count(:conditions => { :inserted => false })
+ end
- File.open(filename, "w") { |f| f.write(@params['trace']['gpx_file'].read) }
- @params['trace']['name'] = @params['trace']['gpx_file'].original_filename.gsub(/[^a-zA-Z0-9.]/, '_') # This makes sure filenames are sane
- @params['trace'].delete('gpx_file') # let's remove the field from the hash, because there's no such field in the DB anyway.
- @trace = Trace.new(@params['trace'])
- @trace.inserted = false
- @trace.user_id = @user.id
- @trace.timestamp = Time.now
- if @trace.save
- logger.info("id is #{@trace.id}")
- File.rename(filename, "/tmp/#{@trace.id}.gpx")
- # *nix - specific `mv #{filename} /tmp/#{@trace.id}.gpx`
- 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."
+ redirect_to :action => :list, :display_name => @user.display_name
+ end
+ else
+ @trace = Trace.new({:name => "Dummy",
+ :tagstring => params[:trace][:tagstring],
+ :description => params[:trace][:description],
+ :visibility => params[:trace][:visibility],
+ :inserted => false, :user => @user,
+ :timestamp => Time.now.getutc})
+ @trace.valid?
+ @trace.errors.add(:gpx_file, "can't be blank")
+ end
+ else
+ @trace = Trace.new({:visibility => default_visibility}, :without_protection => true)
end
- redirect_to :action => 'mine'
+ @title = t 'trace.create.upload_trace'
+ end
+
+ def data
+ trace = Trace.find(params[:id])
+
+ if trace.visible? and (trace.public? or (@user and @user == trace.user))
+ if Acl.no_trace_download(request.remote_ip)
+ render :nothing => true, :status => :forbidden
+ elsif request.format == Mime::XML
+ send_file(trace.xml_file, :filename => "#{trace.id}.xml", :type => Mime::XML.to_s, :disposition => 'attachment')
+ else
+ send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
+ end
+ else
+ render :nothing => true, :status => :not_found
+ end
+ rescue ActiveRecord::RecordNotFound
+ render :nothing => true, :status => :not_found
+ end
+
+ def edit
+ @trace = Trace.find(params[:id])
+
+ if @user and @trace.user == @user
+ @title = t 'trace.edit.title', :name => @trace.name
+ if params[:trace]
+ @trace.description = params[:trace][:description]
+ @trace.tagstring = params[:trace][:tagstring]
+ @trace.visibility = params[:trace][:visibility]
+ if @trace.save
+ redirect_to :action => 'view', :display_name => @user.display_name
+ end
+ end
+ else
+ render :nothing => true, :status => :forbidden
+ end
+ rescue ActiveRecord::RecordNotFound
+ render :nothing => true, :status => :not_found
+ end
+
+ def delete
+ trace = Trace.find(params[:id])
+
+ if @user and trace.user == @user
+ if trace.visible?
+ trace.visible = false
+ trace.save
+ flash[:notice] = t 'trace.delete.scheduled_for_deletion'
+ redirect_to :action => :list, :display_name => @user.display_name
+ else
+ render :nothing => true, :status => :not_found
+ end
+ else
+ render :nothing => true, :status => :forbidden
+ end
+ rescue ActiveRecord::RecordNotFound
+ render :nothing => true, :status => :not_found
end
def georss
- traces = Trace.find(:all, :conditions => ['public = true'], :order => 'timestamp DESC', :limit => 20)
+ traces = Trace.public
+
+ if params[:display_name]
+ traces = traces.joins(:user).where(:users => {:display_name => params[:display_name]})
+ end
+
+ if params[:tag]
+ traces = traces.where("EXISTS (SELECT * FROM gpx_file_tags AS gft WHERE gft.gpx_id = gpx_files.id AND gft.tag = ?)", params[:tag])
+ end
+
+ traces = traces.order("timestamp DESC")
+ traces = traces.limit(20)
+ traces = traces.includes(:user)
rss = OSM::GeoRSS.new
- #def add(latitude=0, longitude=0, title_text='dummy title', url='http://www.example.com/', description_text='dummy description', timestamp=Time.now)
traces.each do |trace|
- 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)
+ 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, :display_name => trace.user.display_name})}'> GPX file with #{trace.size} points from #{trace.user.display_name}", trace.timestamp)
end
- response.headers["Content-Type"] = 'application/xml+rss'
-
- render :text => rss.to_s
+ render :text => rss.to_s, :content_type => "application/rss+xml"
end
def picture
trace = Trace.find(params[:id])
- send_data(trace.large_picture, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline') if trace.public
+
+ if trace.inserted?
+ if trace.public? or (@user and @user == trace.user)
+ expires_in 7.days, :private => !trace.public?, :public => trace.public?
+ send_file(trace.large_picture_name, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline')
+ else
+ render :nothing => true, :status => :forbidden
+ end
+ else
+ render :nothing => true, :status => :not_found
+ end
+ rescue ActiveRecord::RecordNotFound
+ render :nothing => true, :status => :not_found
end
def icon
trace = Trace.find(params[:id])
- send_data(trace.icon_picture, :filename => "#{trace.id}_icon.gif", :type => 'image/gif', :disposition => 'inline') if trace.public
+
+ if trace.inserted?
+ if trace.public? or (@user and @user == trace.user)
+ expires_in 7.days, :private => !trace.public?, :public => trace.public?
+ send_file(trace.icon_picture_name, :filename => "#{trace.id}_icon.gif", :type => 'image/gif', :disposition => 'inline')
+ else
+ render :nothing => true, :status => :forbidden
+ end
+ else
+ render :nothing => true, :status => :not_found
+ end
+ rescue ActiveRecord::RecordNotFound
+ render :nothing => true, :status => :not_found
+ end
+
+ def api_read
+ trace = Trace.visible.find(params[:id])
+
+ if trace.public? or trace.user == @user
+ render :text => trace.to_xml.to_s, :content_type => "text/xml"
+ else
+ render :nothing => true, :status => :forbidden
+ end
+ end
+
+ def api_update
+ trace = Trace.visible.find(params[:id])
+
+ if trace.user == @user
+ new_trace = Trace.from_xml(request.raw_post)
+
+ unless new_trace and new_trace.id == trace.id
+ raise OSM::APIBadUserInput.new("The id in the url (#{trace.id}) is not the same as provided in the xml (#{new_trace.id})")
+ end
+
+ trace.description = new_trace.description
+ trace.tags = new_trace.tags
+ trace.visibility = new_trace.visibility
+ trace.save!
+
+ render :nothing => true, :status => :ok
+ else
+ render :nothing => true, :status => :forbidden
+ end
+ end
+
+ def api_delete
+ trace = Trace.visible.find(params[:id])
+
+ if trace.user == @user
+ trace.visible = false
+ trace.save!
+
+ render :nothing => true, :status => :ok
+ else
+ render :nothing => true, :status => :forbidden
+ end
+ end
+
+ def api_data
+ trace = Trace.find(params[:id])
+
+ if trace.public? or trace.user == @user
+ if request.format == Mime::XML
+ send_file(trace.xml_file, :filename => "#{trace.id}.xml", :type => Mime::XML.to_s, :disposition => 'attachment')
+ else
+ send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
+ end
+ else
+ render :nothing => true, :status => :forbidden
+ end
+ end
+
+ def api_create
+ tags = params[:tags] || ""
+ description = params[:description] || ""
+ visibility = params[:visibility]
+
+ if visibility.nil?
+ if params[:public] && params[:public].to_i.nonzero?
+ visibility = "public"
+ else
+ visibility = "private"
+ end
+ end
+
+ if params[:file].respond_to?(:read)
+ do_create(params[:file], tags, description, visibility)
+
+ if @trace.id
+ render :text => @trace.id.to_s, :content_type => "text/plain"
+ elsif @trace.valid?
+ render :nothing => true, :status => :internal_server_error
+ else
+ render :nothing => true, :status => :bad_request
+ end
+ else
+ render :nothing => true, :status => :bad_request
+ end
end
+
+private
+
+ def do_create(file, tags, description, visibility)
+ # Sanitise the user's filename
+ name = file.original_filename.gsub(/[^a-zA-Z0-9.]/, '_')
+
+ # Get a temporary filename...
+ filename = "/tmp/#{rand}"
+
+ # ...and save the uploaded file to that location
+ File.open(filename, "w") { |f| f.write(file.read) }
+
+ # Create the trace object, falsely marked as already
+ # inserted to stop the import daemon trying to load it
+ @trace = Trace.new({
+ :name => name,
+ :tagstring => tags,
+ :description => description,
+ :visibility => visibility,
+ :inserted => true,
+ :user => @user,
+ :timestamp => Time.now.getutc
+ }, :without_protection => true)
+
+ Trace.transaction do
+ begin
+ # Save the trace object
+ @trace.save!
+
+ # Rename the temporary file to the final name
+ FileUtils.mv(filename, @trace.trace_name)
+ rescue Exception => ex
+ # Remove the file as we have failed to update the database
+ FileUtils.rm_f(filename)
+
+ # Pass the exception on
+ raise
+ end
+
+ begin
+ # Clear the inserted flag to make the import daemon load the trace
+ @trace.inserted = false
+ @trace.save!
+ rescue Exception => ex
+ # Remove the file as we have failed to update the database
+ FileUtils.rm_f(@trace.trace_name)
+
+ # Pass the exception on
+ raise
+ end
+ end
+
+ # Finally save the user's preferred privacy level
+ if pref = @user.preferences.where(:k => "gps.trace.visibility").first
+ pref.v = visibility
+ pref.save
+ else
+ @user.preferences.create(:k => "gps.trace.visibility", :v => visibility)
+ end
+
+ end
+
+ def offline_warning
+ flash.now[:warning] = t 'trace.offline_warning.message' if STATUS == :gpx_offline
+ end
+
+ def offline_redirect
+ redirect_to :action => :offline if STATUS == :gpx_offline
+ end
+
+ def default_visibility
+ visibility = @user.preferences.where(:k => "gps.trace.visibility").first
+
+ if visibility
+ visibility.v
+ elsif @user.preferences.where(:k => "gps.trace.public", :v => "default").first.nil?
+ "private"
+ else
+ "public"
+ end
+ end
+
end