class TraceController < ApplicationController
- before_filter :authorize_web
layout 'site'
-
+
+ before_filter :authorize_web
+ before_filter :require_user, :only => [:mine, :edit, :delete, :make_public]
+ before_filter :authorize, :only => [:api_details, :api_data, :api_create]
+ before_filter :check_database_availability, :except => [:api_details, :api_data, :api_create]
+ before_filter :check_read_availability, :only => [:api_details, :api_data, :api_create]
+
# 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 = 20
- page_index = params[:page] ? params[:page].to_i - 1 : 0 # nice 1-based page -> 0-based page index
-
+ def list(target_user = nil, action = "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 target_user.nil? and !display_name.blank?
+ target_user = User.find(:first, :conditions => [ "visible = 1 and display_name = ?", display_name])
+ end
+
+ # set title
+ if target_user.nil?
+ @title = "Public GPS traces"
+ elsif @user and @user == target_user
+ @title = "Your GPS traces"
+ else
+ @title = "Public GPS traces from #{target_user.display_name}"
end
- opt = Hash.new
- opt[:include] = [:user, :tags] # load users and tags from db at same time as traces
+ @title += " tagged with #{params[:tag]}" if params[:tag]
# four main cases:
# 1 - all traces, logged in = all public traces + all user's (i.e + all mine)
# 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
+ conditions = ["(gpx_files.public = 1 OR gpx_files.user_id = ?)", @user.id] #1
else
- conditions = ["public = 1"] #2
+ conditions = ["gpx_files.public = 1"] #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
+ conditions = ["gpx_files.user_id = ?", @user.id] #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
+ conditions = ["gpx_files.public = 1 AND gpx_files.user_id = ?", target_user.id] #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]
@tag = params[:tag]
- conditions[0] += " AND gpx_file_tags.tag = ?"
- conditions << @tag;
+ conditions[0] += " AND EXISTS (SELECT * FROM gpx_file_tags AS gft WHERE gft.gpx_id = gpx_files.id AND gft.tag = ?)"
+ conditions << @tag
end
- opt[:conditions] = conditions
+ conditions[0] += " AND gpx_files.visible = 1"
- # 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
- end
+ @trace_pages, @traces = paginate(:traces,
+ :include => [:user, :tags],
+ :conditions => conditions,
+ :order => "gpx_files.timestamp DESC",
+ :per_page => 20)
- @traces = Trace.find(:all , opt)
-
# put together SET of tags across traces, for related links
tagset = Hash.new
if @traces
end
# final helper vars for view
- @display_name = display_name
+ @action = action
+ @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?
+ list(@user, "mine")
+ end
+
+ def view
+ @trace = Trace.find(params[:id])
+
+ if @trace and @trace.visible? and
+ (@trace.public? or @trace.user == @user)
+ @title = "Viewing trace #{@trace.name}"
else
- redirect_to :controller => 'user', :action => 'login'
+ flash[:notice] = "Trace not found!"
+ redirect_to :controller => 'trace', :action => 'list'
end
+ rescue ActiveRecord::RecordNotFound
+ flash[:notice] = "Trace not found!"
+ redirect_to :controller => 'trace', :action => 'list'
end
- def view
+ def create
+ logger.info(params[:trace][:gpx_file].class.name)
+ if params[:trace][:gpx_file].respond_to?(:read)
+ do_create(params[:trace][:gpx_file], params[:trace][:tagstring],
+ params[:trace][:description], params[:trace][:public])
+
+ if @trace.id
+ logger.info("id is #{@trace.id}")
+ 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 => 'mine'
+ end
+ else
+ @trace = Trace.new({:name => "Dummy",
+ :tagstring => params[:trace][:tagstring],
+ :description => params[:trace][:description],
+ :public => params[:trace][:public],
+ :inserted => false, :user => @user,
+ :timestamp => Time.now})
+ @trace.valid?
+ @trace.errors.add(:gpx_file, "can't be blank")
+ end
+ end
+
+ def data
+ trace = Trace.find(params[:id])
+
+ if trace.visible? and (trace.public? or (@user and @user == trace.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 => :not_found
+ end
+ rescue ActiveRecord::RecordNotFound
+ render :nothing => true, :status => :not_found
+ end
+
+ def edit
@trace = Trace.find(params[:id])
- unless @trace.public
- if @user
- render :nothing, :status => 401 if @trace.user.id != @user.id
+
+ if @user and @trace.user == @user
+ if params[:trace]
+ @trace.description = params[:trace][:description]
+ @trace.tagstring = params[:trace][:tagstring]
+ if @trace.save
+ redirect_to :action => 'view'
+ end
end
+ else
+ render :nothing => true, :status => :forbidden
end
+ rescue ActiveRecord::RecordNotFound
+ render :nothing => true, :status => :not_found
end
- def create
- filename = "/tmp/#{rand}"
+ def delete
+ trace = Trace.find(params[:id])
- 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') # remove the field from the hash, because there's no such field in the DB
- @trace = Trace.new(@params['trace'])
- @trace.inserted = false
- @trace.user = @user
- @trace.timestamp = Time.now
+ if @user and trace.user == @user
+ if request.post? and trace.visible?
+ trace.visible = false
+ trace.save
+ flash[:notice] = 'Track scheduled for deletion'
+ redirect_to :controller => 'traces', :action => 'mine'
+ else
+ render :nothing => true, :status => :bad_request
+ end
+ else
+ render :nothing => true, :status => :forbidden
+ end
+ rescue ActiveRecord::RecordNotFound
+ render :nothing => true, :status => :not_found
+ end
- if @trace.save
- saved_filename = "/tmp/#{@trace.id}.gpx"
- File.rename(filename, saved_filename)
+ def make_public
+ trace = Trace.find(params[:id])
- logger.info("id is #{@trace.id}")
- 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 => 'mine'
+ if @user and trace.user == @user
+ if request.post? and !trace.public?
+ trace.public = true
+ trace.save
+ flash[:notice] = 'Track made public'
+ redirect_to :controller => 'trace', :action => 'view', :id => params[:id]
+ else
+ render :nothing => true, :status => :bad_request
+ end
else
-# render :action => 'mine'
+ 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)
+ conditions = ["gpx_files.public = 1"]
+
+ if params[:display_name]
+ conditions[0] += " AND users.display_name = ?"
+ conditions << params[:display_name]
+ end
+
+ if params[:tag]
+ conditions[0] += " AND EXISTS (SELECT * FROM gpx_file_tags AS gft WHERE gft.gpx_id = gpx_files.id AND gft.tag = ?)"
+ conditions << params[:tag]
+ end
+
+ traces = Trace.find(:all, :include => :user, :conditions => conditions,
+ :order => "timestamp DESC", :limit => 20)
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, :user_login => 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)
+ 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)
+ 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_details
+ trace = Trace.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
+ rescue ActiveRecord::RecordNotFound
+ render :nothing => true, :status => :not_found
+ end
+
+ def api_data
+ trace = Trace.find(params[:id])
+
+ if trace.public? or trace.user == @user
+ send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
+ else
+ render :nothing => true, :status => :forbidden
+ end
+ rescue ActiveRecord::RecordNotFound
+ render :nothing => true, :status => :not_found
end
+
+ def api_create
+ if request.post?
+ do_create(params[:file], params[:tags], params[:description], params[:public])
+
+ 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 => :method_not_allowed
+ end
+ end
+
+private
+
+ def do_create(file, tags, description, public)
+ name = file.original_filename.gsub(/[^a-zA-Z0-9.]/, '_')
+ filename = "/tmp/#{rand}"
+
+ File.open(filename, "w") { |f| f.write(file.read) }
+
+ @trace = Trace.new({:name => name, :tagstring => tags,
+ :description => description, :public => public})
+ @trace.inserted = false
+ @trace.user = @user
+ @trace.timestamp = Time.now
+
+ if @trace.save
+ FileUtils.mv(filename, @trace.trace_name)
+ else
+ FileUtils.rm_f(filename)
+ end
+ end
+
end
projects / rails.git / blobdiff