api06: Move version-checking into the models, raising an exception on mismatch

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

diff --git a/app/controllers/user_preference_controller.rb b/app/controllers/user_preference_controller.rb
index 7f841b72b79d244e82c5e2899fccb8e37179d2c0..5594799293a1c9f79d492c54f79e128225369c04 100644 (file)
--- a/app/controllers/user_preference_controller.rb
+++ b/app/controllers/user_preference_controller.rb
@@ -1,8 +1,41 @@
+# Update and read user preferences, which are arbitrayr key/val pairs
 class UserPreferenceController < ApplicationController
   before_filter :authorize
 
-  def read
+  def read_one
+    pref = UserPreference.find(@user.id, params[:preference_key])
+
+    if pref
+      render :text => pref.v.to_s
+    else
+      render :text => 'OH NOES! PREF NOT FOUND!', :status => 404
+    end
+  end
+
+  def update_one
+    begin
+      pref = UserPreference.find(@user.id, params[:preference_key])
+      pref.v = request.raw_post.chomp
+      pref.save
+    rescue ActiveRecord::RecordNotFound 
+      pref = UserPreference.new
+      pref.user = @user
+      pref.k = params[:preference_key]
+      pref.v = request.raw_post.chomp
+      pref.save
+    end
+
+    render :nothing => true
+  end
 
+  def delete_one
+    UserPreference.delete(@user.id, params[:preference_key])
+
+    render :nothing => true
+  end
+
+  # print out all the preferences as a big xml block
+  def read
     doc = OSM::API.new.get_xml_doc
 
     prefs = @user.preferences
@@ -15,9 +48,9 @@ class UserPreferenceController < ApplicationController
 
     doc.root << el1
     render :text => doc.to_s, :content_type => "text/xml"
-
   end
 
+  # update the entire set of preferences
   def update
     begin
       p = XML::Parser.new
@@ -30,12 +63,12 @@ class UserPreferenceController < ApplicationController
 
       doc.find('//preferences/preference').each do |pt|
         pref = UserPreference.new
-        
+
         unless keyhash[pt['k']].nil? # already have that key
-          render :text => 'OH NOES! CAN HAS UNIQUE KEYS?', :status => 406
+          render :text => 'OH NOES! CAN HAS UNIQUE KEYS?', :status => :not_acceptable
           return
         end
-        
+
         keyhash[pt['k']] = 1
 
         pref.k = pt['k']
@@ -45,7 +78,7 @@ class UserPreferenceController < ApplicationController
       end
 
       if prefs.size > 150
-        render :text => 'Too many preferences', :status => 413
+        render :text => 'Too many preferences', :status => :request_entity_too_large
         return
       end
 
@@ -58,11 +91,10 @@ class UserPreferenceController < ApplicationController
       end
 
     rescue Exception => ex
-      render :text => 'OH NOES! FAIL!: ' + ex.to_s, :status => 500
+      render :text => 'OH NOES! FAIL!: ' + ex.to_s, :status => :internal_server_error
       return
     end
 
     render :nothing => true
   end
-
 end