use boolean flags when using boolean columns

app/controllers/api_controller.rb

@@ -120,7 +120,7 @@ class ApiController < ApplicationController
     end
 
     # FIXME um why is this area using a different order for the lat/lon from above???
-    @nodes = Node.find_by_area(min_lat, min_lon, max_lat, max_lon, :conditions => "visible = 1", :limit => APP_CONFIG['max_number_of_nodes']+1)
+    @nodes = Node.find_by_area(min_lat, min_lon, max_lat, max_lon, :conditions => {:visible => true}, :limit => APP_CONFIG['max_number_of_nodes']+1)
     # get all the nodes, by tag not yet working, waiting for change from NickB
     # need to be @nodes (instance var) so tests in /spec can be performed
     #@nodes = Node.search(bbox, params[:tag])
@@ -187,15 +187,15 @@ class ApiController < ApplicationController
       end
     end 
 
-    relations = Relation.find_for_nodes(visible_nodes.keys, :conditions => "visible = 1") +
-                Relation.find_for_ways(way_ids, :conditions => "visible = 1")
+    relations = Relation.find_for_nodes(visible_nodes.keys, :conditions => {:visible => true}) +
+                Relation.find_for_ways(way_ids, :conditions => {:visible => true})
 
     # we do not normally return the "other" partners referenced by an relation, 
     # e.g. if we return a way A that is referenced by relation X, and there's 
     # another way B also referenced, that is not returned. But we do make 
     # an exception for cases where an relation references another *relation*; 
     # in that case we return that as well (but we don't go recursive here)
-    relations += Relation.find_for_relations(relations.collect { |r| r.id }, :conditions => "visible = 1")
+    relations += Relation.find_for_relations(relations.collect { |r| r.id }, :conditions => {:visible => true})
 
     # this "uniq" may be slightly inefficient; it may be better to first collect and output
     # all node-related relations, then find the *not yet covered* way-related ones etc.

app/controllers/application.rb

@@ -8,7 +8,7 @@ class ApplicationController < ActionController::Base
 
   def authorize_web
     if session[:user]
-      @user = User.find(session[:user], :conditions => "visible = 1")
+      @user = User.find(session[:user], :conditions => {:visible => true})
     elsif session[:token]
       @user = User.authenticate(:token => session[:token])
       session[:user] = @user.id

app/controllers/diary_entry_controller.rb

@@ -54,7 +54,7 @@ class DiaryEntryController < ApplicationController
 
   def list
     if params[:display_name]
-      @this_user = User.find_by_display_name(params[:display_name], :conditions => "visible = 1")
+      @this_user = User.find_by_display_name(params[:display_name], :conditions => {:visible => true})
 
       if @this_user
         @title = @this_user.display_name + "'s diary"
@@ -77,7 +77,7 @@ class DiaryEntryController < ApplicationController
 
   def rss
     if params[:display_name]
-      user = User.find_by_display_name(params[:display_name], :conditions => "visible = 1")
+      user = User.find_by_display_name(params[:display_name], :conditions => {:visible => true})
 
       if user
         @entries = DiaryEntry.find(:all, :conditions => ['user_id = ?', user.id], :order => 'created_at DESC', :limit => 20)
@@ -100,7 +100,7 @@ class DiaryEntryController < ApplicationController
   end
 
   def view
-    user = User.find_by_display_name(params[:display_name], :conditions => "visible = 1")
+    user = User.find_by_display_name(params[:display_name], :conditions => {:visible => true})
 
     if user
       @entry = DiaryEntry.find(:first, :conditions => ['user_id = ? AND id = ?', user.id, params[:id]])

app/controllers/trace_controller.rb

@@ -12,7 +12,7 @@ class TraceController < ApplicationController
     # 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.blank?
-      target_user = User.find(:first, :conditions => [ "visible = 1 and display_name = ?", display_name])
+      target_user = User.find(:first, :conditions => [ "visible = ? and display_name = ?", true, display_name])
     end
 
     # set title
@@ -33,15 +33,15 @@ 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
-        conditions = ["(gpx_files.public = 1 OR gpx_files.user_id = ?)", @user.id] #1
+        conditions = ["(gpx_files.public = ? OR gpx_files.user_id = ?)", true, @user.id] #1
       else
-        conditions  = ["gpx_files.public = 1"] #2
+        conditions  = ["gpx_files.public = ?", true] #2
       end
     else
       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 = ["gpx_files.public = 1 AND gpx_files.user_id = ?", target_user.id] #4
+        conditions = ["gpx_files.public = ? AND gpx_files.user_id = ?", true, target_user.id] #4
       end
     end
     
@@ -51,7 +51,7 @@ class TraceController < ApplicationController
       conditions << @tag
     end
     
-    conditions[0] += " AND gpx_files.visible = 1"
+    conditions[0] += " AND gpx_files.visible = 1"   #FIXME: use boolean true as parameter to active record
 
     @trace_pages, @traces = paginate(:traces,
                                      :include => [:user, :tags],

app/controllers/user_controller.rb

@@ -76,7 +76,7 @@ class UserController < ApplicationController
   def lost_password
     @title = 'lost password'
     if params[:user] and params[:user][:email]
-      user = User.find_by_email(params[:user][:email], :conditions => "visible = 1")
+      user = User.find_by_email(params[:user][:email], :conditions => {:visible => true})
 
       if user
         token = user.tokens.create
@@ -216,7 +216,7 @@ class UserController < ApplicationController
   end
 
   def view
-    @this_user = User.find_by_display_name(params[:display_name], :conditions => "visible = 1")
+    @this_user = User.find_by_display_name(params[:display_name], :conditions => {:visible => true})
 
     if @this_user
       @title = @this_user.display_name
@@ -229,7 +229,7 @@ class UserController < ApplicationController
   def make_friend
     if params[:display_name]     
       name = params[:display_name]
-      new_friend = User.find_by_display_name(name, :conditions => "visible = 1")
+      new_friend = User.find_by_display_name(name, :conditions => {:visible => true})
       friend = Friend.new
       friend.user_id = @user.id
       friend.friend_user_id = new_friend.id
@@ -251,7 +251,7 @@ class UserController < ApplicationController
   def remove_friend
     if params[:display_name]     
       name = params[:display_name]
-      friend = User.find_by_display_name(name, :conditions => "visible = 1")
+      friend = User.find_by_display_name(name, :conditions => {:visible => true})
       if @user.is_friends_with?(friend)
         Friend.delete_all "user_id = #{@user.id} AND friend_user_id = #{friend.id}"
         flash[:notice] = "#{friend.display_name} was removed from your friends."

app/controllers/way_controller.rb

@@ -87,7 +87,7 @@ class WayController < ApplicationController
 
       if way.visible
         nd_ids = way.nds + [-1]
-        nodes = Node.find(:all, :conditions => "visible = 1 AND id IN (#{nd_ids.join(',')})")
+        nodes = Node.find(:all, :conditions => ["visible = ? AND id IN (#{nd_ids.join(',')})", true])
 
         # Render
         doc = OSM::API.new.get_xml_doc