Fix rubocop issue

[rails.git] / app / controllers / trace_controller.rb

diff --git a/app/controllers/trace_controller.rb b/app/controllers/trace_controller.rb
index 231181ff3f4acd977871cd57d2dca87d3100c1c2..105405ccfdad7e0fd11b525443a4786ed496f307 100644 (file)
--- a/app/controllers/trace_controller.rb
+++ b/app/controllers/trace_controller.rb
@@ -1,211 +1,412 @@
 class TraceController < ApplicationController
 class TraceController < ApplicationController

-  before_filter :authorize_web  
-  before_filter :authorize, :only => [:api_details, :api_data, :api_create]
-  layout 'site'
- 
+  layout "site", :except => :georss
+
+  skip_before_action :verify_authenticity_token, :only => [:api_create, :api_read, :api_update, :api_delete, :api_data]
+  before_action :authorize_web
+  before_action :set_locale
+  before_action :require_user, :only => [:mine, :create, :edit, :delete]
+  before_action :authorize, :only => [:api_create, :api_read, :api_update, :api_delete, :api_data]
+  before_action :check_database_readable, :except => [:api_read, :api_data]
+  before_action :check_database_writable, :only => [:create, :edit, :delete, :api_create, :api_update, :api_delete]
+  before_action :check_api_readable, :only => [:api_read, :api_data]
+  before_action :check_api_writable, :only => [:api_create, :api_update, :api_delete]
+  before_action :require_allow_read_gpx, :only => [:api_read, :api_data]
+  before_action :require_allow_write_gpx, :only => [:api_create, :api_update, :api_delete]
+  before_action :offline_warning, :only => [:mine, :view]
+  before_action :offline_redirect, :only => [:create, :edit, :delete, :data, :api_create, :api_delete, :api_data]
+  around_action :api_call_handle_error, :only => [:api_create, :api_read, :api_update, :api_delete, :api_data]
+

   # 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
   # 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')
-    @title = 'public GPS traces'
-    @traces_per_page = 20
-    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]
     # 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 != ''
-      @paging_action = 'view'
-      @display_name = display_name
-      @title += " from #{@display_name}"
-      target_user = User.find(:first, :conditions => [ "display_name = ?", display_name])
+    if display_name.present?
+      target_user = User.active.where(:display_name => display_name).first
+      if target_user.nil?
+        render_unknown_user display_name
+        return
+      end

     end
 
     end
 

-    opt = Hash.new
-    opt[:include] = [:user, :tags] # load users and tags from db at same time as traces
+    # set title
+    @title = if target_user.nil?
+               t "trace.list.public_traces"
+             elsif current_user && current_user == target_user
+               t "trace.list.your_traces"
+             else
+               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
 
     # 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
     # 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
-      else
-        conditions  = ["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)
-      else
-        conditions = ["public = 1 AND 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;
-    end
-    
-    opt[:conditions] = conditions
-
-    # 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
-
-    @traces = Trace.find(:all , opt)
-    
+    @traces = if target_user.nil? # all traces
+                if current_user
+                  Trace.visible_to(current_user) # 1
+                else
+                  Trace.visible_to_all # 2
+                end
+              elsif current_user && current_user == target_user
+                current_user.traces # 3 (check vs user id, so no join + can't pick up non-public traces by changing name)
+              else
+                target_user.traces.visible_to_all # 4
+              end
+
+    @traces = @traces.tagged(params[:tag]) if params[:tag]
+
+    @params = params.permit(:display_name, :tag)
+
+    @page = (params[:page] || 1).to_i
+    @page_size = 20
+
+    @traces = @traces.visible
+    @traces = @traces.order(:id => :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
     # 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
+    tagset = {}
+    @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
       end
     end

-    
+

     # final helper vars for view
     # 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
     @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
   end
 
   def mine

-    if @user
-      list(@user, 'mine') unless @user.nil?
-    else
-      redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri
-    end
+    redirect_to :action => :list, :display_name => current_user.display_name

   end
 
   def view
     @trace = Trace.find(params[:id])
   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 && @trace.visible? &&
+       (@trace.public? || @trace.user == current_user)
+      @title = t "trace.view.title", :name => @trace.name
+    else
+      flash[:error] = t "trace.view.trace_not_found"
+      redirect_to :action => "list"

     end
     end

+  rescue ActiveRecord::RecordNotFound
+    flash[:error] = t "trace.view.trace_not_found"
+    redirect_to :action => "list"

   end
 
   def create
   end
 
   def create

-    filename = "/tmp/#{rand}"
+    if request.post?
+      logger.info(params[:trace][:gpx_file].class.name)

 
 

-    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 params[:trace][:gpx_file].respond_to?(:read)
+        begin
+          do_create(params[:trace][:gpx_file], params[:trace][:tagstring],
+                    params[:trace][:description], params[:trace][:visibility])
+        rescue StandardError => ex
+          logger.debug ex
+        end
+
+        if @trace.id
+          flash[:notice] = t "trace.create.trace_uploaded"

 
 

-    if @trace.save
-      saved_filename = "/home/osm/gpx/#{@trace.id}.gpx"
-      File.rename(filename, saved_filename)
+          if current_user.traces.where(:inserted => false).count > 4
+            flash[:warning] = t "trace.trace_header.traces_waiting", :count => current_user.traces.where(:inserted => false).count
+          end

 
 

-      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'
+          redirect_to :action => :list, :display_name => current_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 => current_user,
+                           :timestamp => Time.now.getutc)
+        @trace.valid?
+        @trace.errors.add(:gpx_file, "can't be blank")
+      end
+    else
+      @trace = Trace.new(:visibility => default_visibility)

     end
     end

+
+    @title = t "trace.create.upload_trace"

   end
 
   def data
     trace = Trace.find(params[:id])
   end
 
   def data
     trace = Trace.find(params[:id])

-    if trace and (trace.public? or (@user and @user == trace.user))
-      send_file(trace.trace_name, :filename => "#{trace.id}.gpx", :type => trace.mime_type, :disposition => 'attachment')
+
+    if trace.visible? && (trace.public? || (current_user && current_user == trace.user))
+      if Acl.no_trace_download(request.remote_ip)
+        head :forbidden
+      elsif request.format == Mime[:xml]
+        send_data(trace.xml_file.read, :filename => "#{trace.id}.xml", :type => request.format.to_s, :disposition => "attachment")
+      elsif request.format == Mime[:gpx]
+        send_data(trace.xml_file.read, :filename => "#{trace.id}.gpx", :type => request.format.to_s, :disposition => "attachment")
+      else
+        send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => "attachment")
+      end
+    else
+      head :not_found
+    end
+  rescue ActiveRecord::RecordNotFound
+    head :not_found
+  end
+
+  def edit
+    @trace = Trace.find(params[:id])
+
+    if !@trace.visible?
+      head :not_found
+    elsif current_user.nil? || @trace.user != current_user
+      head :forbidden

     else
     else

-      render :nothing, :status => 404
+      @title = t "trace.edit.title", :name => @trace.name
+
+      if request.post? && 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 => current_user.display_name
+        end
+      end

     end
     end

+  rescue ActiveRecord::RecordNotFound
+    head :not_found

   end
 
   end
 

-  def make_public
+  def delete

     trace = Trace.find(params[:id])
     trace = Trace.find(params[:id])

-    if @user and trace.user == @user and !trace.public
-      trace.public = true
+
+    if !trace.visible?
+      head :not_found
+    elsif current_user.nil? || trace.user != current_user
+      head :forbidden
+    else
+      trace.visible = false

       trace.save
       trace.save

-      flash[:notice] = 'Track made public'
-      redirect_to :controller => 'trace', :action => 'view', :id => params[:id]
+      flash[:notice] = t "trace.delete.scheduled_for_deletion"
+      redirect_to :action => :list, :display_name => current_user.display_name

     end
     end

+  rescue ActiveRecord::RecordNotFound
+    head :not_found

   end
 
   def georss
   end
 
   def georss

-    traces = Trace.find(:all, :conditions => ['public = true'], :order => 'timestamp DESC', :limit => 20)
-
-    rss = OSM::GeoRSS.new
+    @traces = Trace.visible_to_all.visible

 
 

-    #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)
+    if params[:display_name]
+      @traces = @traces.joins(:user).where(:users => { :display_name => params[:display_name] })

     end
 
     end
 

-    response.headers["Content-Type"] = 'application/rss+xml'
-
-    render :text => rss.to_s
+    @traces = @traces.tagged(params[:tag]) if params[:tag]
+    @traces = @traces.order("timestamp DESC")
+    @traces = @traces.limit(20)
+    @traces = @traces.includes(:user)

   end
 
   def picture
     trace = Trace.find(params[:id])
   end
 
   def picture
     trace = Trace.find(params[:id])

-    if trace and (trace.public? or (@user and @user == trace.user))
-      send_file(trace.large_picture_name, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline')
+
+    if trace.visible? && trace.inserted?
+      if trace.public? || (current_user && current_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
+        head :forbidden
+      end

     else
     else

-      render :nothing, :status => 404
+      head :not_found

     end
     end

+  rescue ActiveRecord::RecordNotFound
+    head :not_found

   end
 
   def icon
     trace = Trace.find(params[:id])
   end
 
   def icon
     trace = Trace.find(params[:id])

-    if trace and (trace.public? or (@user and @user == trace.user))
-      send_file(trace.icon_picture_name, :filename => "#{trace.id}_icon.gif", :type => 'image/gif', :disposition => 'inline')
+
+    if trace.visible? && trace.inserted?
+      if trace.public? || (current_user && current_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
+        head :forbidden
+      end

     else
     else

-      render :nothing, :status => 404
+      head :not_found

     end
     end

+  rescue ActiveRecord::RecordNotFound
+    head :not_found

   end
 
   end
 

-  def api_details
-    trace = Trace.find(params[:id])
-    doc = OSM::API.new.get_xml_doc
-    doc.root << trace.to_xml_node() if trace.public? or trace.user == @user
-    render :text => doc.to_s
+  def api_read
+    trace = Trace.visible.find(params[:id])
+
+    if trace.public? || trace.user == current_user
+      render :xml => trace.to_xml.to_s
+    else
+      head :forbidden
+    end
+  end
+
+  def api_update
+    trace = Trace.visible.find(params[:id])
+
+    if trace.user == current_user
+      trace.update_from_xml(request.raw_post)
+      trace.save!
+
+      head :ok
+    else
+      head :forbidden
+    end
+  end
+
+  def api_delete
+    trace = Trace.visible.find(params[:id])
+
+    if trace.user == current_user
+      trace.visible = false
+      trace.save!
+
+      head :ok
+    else
+      head :forbidden
+    end

   end
 
   def api_data
   end
 
   def api_data

-    render :action => 'data'
+    trace = Trace.visible.find(params[:id])
+
+    if trace.public? || trace.user == current_user
+      if request.format == Mime[:xml]
+        send_data(trace.xml_file.read, :filename => "#{trace.id}.xml", :type => request.format.to_s, :disposition => "attachment")
+      elsif request.format == Mime[:gpx]
+        send_data(trace.xml_file.read, :filename => "#{trace.id}.gpx", :type => request.format.to_s, :disposition => "attachment")
+      else
+        send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => "attachment")
+      end
+    else
+      head :forbidden
+    end

   end
 
   def api_create
   end
 
   def api_create

-    #FIXME merge this code with create as they're pretty similar?
-    
+    tags = params[:tags] || ""
+    description = params[:description] || ""
+    visibility = params[:visibility]
+
+    if visibility.nil?
+      visibility = if params[:public] && params[:public].to_i.nonzero?
+                     "public"
+                   else
+                     "private"
+                   end
+    end
+
+    if params[:file].respond_to?(:read)
+      do_create(params[:file], tags, description, visibility)
+
+      if @trace.id
+        render :plain => @trace.id.to_s
+      elsif @trace.valid?
+        head :internal_server_error
+      else
+        head :bad_request
+      end
+    else
+      head :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}"
     filename = "/tmp/#{rand}"

-    File.open(filename, "w") { |f| f.write(request.raw_post) }
-    params[:trace] = {}
-    params[:trace][:name] = params[:filename]
-    params[:trace][:tagstring] = params[:tags]
-    params[:trace][:description] = params[:description]
-    @trace = Trace.new(params[:trace])
-    @trace.inserted = false
-    @trace.user = @user
-    @trace.timestamp = Time.now
-
-    if @trace.save
-      saved_filename = "/home/osm/gpx/#{@trace.id}.gpx"
-      File.rename(filename, saved_filename)
-      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."
-      render :nothing => true
+
+    # ...and save the uploaded file to that location
+    File.open(filename, "wb") { |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 => current_user,
+      :timestamp => Time.now.getutc
+    )
+
+    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 StandardError
+        # 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 StandardError
+        # 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 = current_user.preferences.where(:k => "gps.trace.visibility").first
+      pref.v = visibility
+      pref.save

     else
     else

-      render :nothing => true, :status => 400 # er FIXME what fricking code to return?
+      current_user.preferences.create(:k => "gps.trace.visibility", :v => visibility)

     end
     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 = current_user.preferences.where(:k => "gps.trace.visibility").first
+
+    if visibility
+      visibility.v
+    elsif current_user.preferences.where(:k => "gps.trace.public", :v => "default").first.nil?
+      "private"
+    else
+      "public"
+    end

   end
 end
   end
 end