use boolean flags when using boolean columns

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

diff --git a/app/controllers/trace_controller.rb b/app/controllers/trace_controller.rb
index 5b1702948185a304ad31358d5d0ab9535e378264..6895a1bcf7d0cd63d946f71bc4a29ae167221887 100644 (file)
--- a/app/controllers/trace_controller.rb
+++ b/app/controllers/trace_controller.rb
@@ -1,28 +1,30 @@
 class TraceController < ApplicationController
 class TraceController < ApplicationController

+  layout 'site'
+

   before_filter :authorize_web  
   before_filter :authorize, :only => [:api_details, :api_data, :api_create]
   before_filter :authorize_web  
   before_filter :authorize, :only => [:api_details, :api_data, :api_create]

-  layout 'site'
+  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
  
   # 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'
-    @title += " tagged with #{params[:tag]}" if params[:tag]
-    @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]
     # 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 target_user.nil? and !display_name.blank?
+      target_user = User.find(:first, :conditions => [ "visible = ? and display_name = ?", true, 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
 
     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)
 
     # four main cases:
     # 1 - all traces, logged in = all public traces + all user's (i.e + all mine)


@@ -31,40 +33,32 @@ class TraceController < ApplicationController
     # 4 - user's traces, not logged in as that user = all user's public traces
     if target_user.nil? # all traces
       if @user
     # 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 = ? OR gpx_files.user_id = ?)", true, @user.id] #1

       else
       else

-        conditions  = ["public = 1"] #2
+        conditions  = ["gpx_files.public = ?", true] #2

       end
     else
       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
       else

-        conditions = ["public = 1 AND user_id = ?", target_user.id] #4
+        conditions = ["gpx_files.public = ? AND gpx_files.user_id = ?", true, target_user.id] #4

       end
     end
       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]
     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
     
     end
     

-    opt[:conditions] = conditions
+    conditions[0] += " AND gpx_files.visible = 1"   #FIXME: use boolean true as parameter to active record

 
 

-    # 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
     # put together SET of tags across traces, for related links
     tagset = Hash.new
     if @traces


@@ -77,15 +71,14 @@ class TraceController < ApplicationController
     end
     
     # final helper vars for view
     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
     @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
   end
 
   def mine
     if @user

-      list(@user, 'mine') unless @user.nil?
+      list(@user, "mine") unless @user.nil?

     else
       redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri
     end
     else
       redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri
     end


@@ -93,130 +86,219 @@ class TraceController < ApplicationController
 
   def view
     @trace = Trace.find(params[:id])
 
   def view
     @trace = Trace.find(params[:id])

-    unless @trace.public
-      if @user
-        render :nothing, :status => :forbidden if @trace.user.id != @user.id
-      end
+
+    if @trace and @trace.visible? and
+       (@trace.public? or @trace.user == @user)
+      @title = "Viewing trace #{@trace.name}"
+    else
+      flash[:notice] = "Trace not found!"
+      redirect_to :controller => 'trace', :action => 'list'

     end
     end

+  rescue ActiveRecord::RecordNotFound
+    flash[:notice] = "Trace not found!"
+    redirect_to :controller => 'trace', :action => 'list'

   end
 
   def create
   end
 
   def create

-    name = params[:trace][:gpx_file].original_filename.gsub(/[^a-zA-Z0-9.]/, '_') # This makes sure filenames are sane
+    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])

 
 

-    do_create(name, params[:trace][:tagstring], params[:trace][:description], params[:trace][:public]) do |f|
-      f.write(params[:trace][:gpx_file].read)
-    end
-
-    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."
+      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'
+        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])
     end
   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? 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, :status => :not_found
     end
     else
       render :nothing, :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
+      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, :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 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, :status => :bad_request
+      end
+    else
+      render :nothing, :status => :forbidden
+    end
+  rescue ActiveRecord::RecordNotFound
+    render :nothing => true, :status => :not_found

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

-    if @user and trace.user == @user and !trace.public
-      trace.public = true
-      trace.save
-      flash[:notice] = 'Track made public'
-      redirect_to :controller => 'trace', :action => 'view', :id => params[:id]
+
+    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, :status => :bad_request
+      end
+    else
+      render :nothing, :status => :forbidden

     end
     end

+  rescue ActiveRecord::RecordNotFound
+    render :nothing => true, :status => :not_found

   end
 
   def georss
   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
 
 
     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|
     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
 
     render :text => rss.to_s, :content_type => "application/rss+xml"
   end
 
   def picture
     end
 
     render :text => rss.to_s, :content_type => "application/rss+xml"
   end
 
   def picture

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

 
 

+    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, :status => :forbidden
       end
       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, :status => :forbidden
       end

-    rescue ActiveRecord::RecordNotFound
+    else

       render :nothing => true, :status => :not_found
       render :nothing => true, :status => :not_found

-    rescue
-      render :nothing => true, :status => :internal_server_error

     end
     end

+  rescue ActiveRecord::RecordNotFound
+    render :nothing => true, :status => :not_found

   end
 
   def icon
   end
 
   def icon

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

 
 

+    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, :status => :forbidden
       end
       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, :status => :forbidden
       end

-    rescue ActiveRecord::RecordNotFound
+    else

       render :nothing => true, :status => :not_found
       render :nothing => true, :status => :not_found

-    rescue
-      render :nothing => true, :status => :internal_server_error

     end
     end

+  rescue ActiveRecord::RecordNotFound
+    render :nothing => true, :status => :not_found

   end
 
   def api_details
   end
 
   def api_details

-    begin
-      trace = Trace.find(params[:id])
+    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
-    rescue
-      render :nothing => true, :status => :internal_server_error
+    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

+  rescue ActiveRecord::RecordNotFound
+    render :nothing => true, :status => :not_found

   end
 
   def api_data
   end
 
   def api_data

-    render :action => '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
   end
 
   def api_create

-    do_create(params[:filename], params[:tags], params[:description], true) do |f|
-      f.write(request.raw_post)
-    end
+    if request.post?
+      do_create(params[:file], params[:tags], params[:description], params[:public])

 
 

-    if @trace.id
-      render :nothing => true
+      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
     else

-      render :nothing => true, :status => :internal_server_error
+      render :nothing => true, :status => :method_not_allowed

     end
   end
 
 private
 
     end
   end
 
 private
 

-  def do_create(name, tags, description, public)
+  def do_create(file, tags, description, public)
+    name = file.original_filename.gsub(/[^a-zA-Z0-9.]/, '_')

     filename = "/tmp/#{rand}"
 
     filename = "/tmp/#{rand}"
 

-    File.open(filename, "w") { |f| yield f }
+    File.open(filename, "w") { |f| f.write(file.read) }

 
     @trace = Trace.new({:name => name, :tagstring => tags,
                         :description => description, :public => public})
 
     @trace = Trace.new({:name => name, :tagstring => tags,
                         :description => description, :public => public})


@@ -225,7 +307,7 @@ private
     @trace.timestamp = Time.now
 
     if @trace.save
     @trace.timestamp = Time.now
 
     if @trace.save

-      File.rename(filename, @trace.trace_name)
+      FileUtils.mv(filename, @trace.trace_name)

     else
       FileUtils.rm_f(filename)
     end
     else
       FileUtils.rm_f(filename)
     end