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[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 a4de5c099ab5cc5d580eae983680b596467a323a..059f00bbe38b5a6656ba2d4d5f277bc6498aa872 100644 (file)
--- a/app/controllers/user_preference_controller.rb
+++ b/app/controllers/user_preference_controller.rb
@@ -1,34 +1,13 @@
 # Update and read user preferences, which are arbitrayr key/val pairs
 class UserPreferenceController < ApplicationController
 # Update and read user preferences, which are arbitrayr key/val pairs
 class UserPreferenceController < ApplicationController

+  skip_before_filter :verify_authenticity_token

   before_filter :authorize
   before_filter :authorize

+  before_filter :require_allow_read_prefs, :only => [:read_one, :read]
+  before_filter :require_allow_write_prefs, :except => [:read_one, :read]
+  around_filter :api_call_handle_error

 
 

-  def read_one
-    pref = UserPreference.find(:first, :conditions => ['user_id = ? AND k = ?', @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
-    pref = UserPreference.find(:first, :conditions => ['user_id = ? AND k = ?', @user.id, params[:preference_key]])
-  
-    if pref
-      pref.v = request.raw_post.chomp
-      pref.save
-    else
-      pref = UserPreference.new
-      pref.user = @user
-      pref.k = params[:preference_key]
-      pref.v = request.raw_post.chomp
-      pref.save
-    end
-  end
-
-
-  # print out all the preferences as a big xml block
+  ##
+  # return all the preferences as an XML document

   def read
     doc = OSM::API.new.get_xml_doc
 
   def read
     doc = OSM::API.new.get_xml_doc
 


@@ -44,52 +23,70 @@ class UserPreferenceController < ApplicationController
     render :text => doc.to_s, :content_type => "text/xml"
   end
 
     render :text => doc.to_s, :content_type => "text/xml"
   end
 

-  # update the entire set of preferences
-  def update
-    begin
-      p = XML::Parser.new
-      p.string = request.raw_post
-      doc = p.parse
-
-      prefs = []
+  ##
+  # return the value for a single preference
+  def read_one
+    pref = UserPreference.find(@user.id, params[:preference_key])

 
 

-      keyhash = {}
+    render :text => pref.v.to_s, :content_type => "text/plain"
+  end

 
 

-      doc.find('//preferences/preference').each do |pt|
-        pref = UserPreference.new
+  # update the entire set of preferences
+  def update
+    old_preferences = @user.preferences.reduce({}) do |preferences,preference|
+      preferences[preference.k] = preference
+      preferences
+    end

 
 

-        unless keyhash[pt['k']].nil? # already have that key
-          render :text => 'OH NOES! CAN HAS UNIQUE KEYS?', :status => :not_acceptable
-          return
-        end
+    new_preferences = {}

 
 

-        keyhash[pt['k']] = 1
+    doc = XML::Parser.string(request.raw_post).parse

 
 

-        pref.k = pt['k']
-        pref.v = pt['v']
-        pref.user_id = @user.id
-        prefs << pref
+    doc.find('//preferences/preference').each do |pt|
+      if preference = old_preferences.delete(pt["k"])
+        preference.v = pt["v"]
+      elsif new_preferences.include?(pt["k"])
+        raise OSM::APIDuplicatePreferenceError.new(pt["k"])
+      else
+        preference = @user.preferences.build(:k => pt["k"], :v => pt["v"])

       end
 
       end
 

-      if prefs.size > 150
-        render :text => 'Too many preferences', :status => :request_entity_too_large
-        return
-      end
+      new_preferences[preference.k] = preference
+    end

 
 

-      # kill the existing ones
-      UserPreference.delete_all(['user_id = ?', @user.id])
+    old_preferences.each_value do |preference|
+      preference.delete
+    end

 
 

-      # save the new ones
-      prefs.each do |pref|
-        pref.save!
-      end
+    new_preferences.each_value do |preference|
+      preference.save!
+    end
+
+    render :text => "", :content_type => "text/plain"
+  end

 
 

-    rescue Exception => ex
-      render :text => 'OH NOES! FAIL!: ' + ex.to_s, :status => :internal_server_error
-      return
+  ##
+  # update the value of a single preference
+  def update_one
+    begin
+      pref = UserPreference.find(@user.id, params[:preference_key])
+    rescue ActiveRecord::RecordNotFound 
+      pref = UserPreference.new
+      pref.user = @user
+      pref.k = params[:preference_key]

     end
 
     end
 

-    render :nothing => true
+    pref.v = request.raw_post.chomp
+    pref.save!
+
+    render :text => "", :content_type => "text/plain"

   end
 
   end
 

+  ##
+  # delete a single preference
+  def delete_one
+    UserPreference.find(@user.id, params[:preference_key]).delete
+
+    render :text => "", :content_type => "text/plain"
+  end

 end
 end