Move the user preferences controller into the api namespace

[rails.git] / app / controllers / api / user_preferences_controller.rb

diff --git a/app/controllers/api/user_preferences_controller.rb b/app/controllers/api/user_preferences_controller.rb
new file mode 100644 (file)
index 0000000..82f6c6a
--- /dev/null
+++ b/app/controllers/api/user_preferences_controller.rb
@@ -0,0 +1,90 @@
+# Update and read user preferences, which are arbitrayr key/val pairs
+module Api
+  class UserPreferencesController < ApplicationController
+    skip_before_action :verify_authenticity_token
+    before_action :authorize
+
+    authorize_resource
+
+    around_action :api_call_handle_error
+
+    ##
+    # return all the preferences as an XML document
+    def read
+      doc = OSM::API.new.get_xml_doc
+
+      prefs = current_user.preferences
+
+      el1 = XML::Node.new "preferences"
+
+      prefs.each do |pref|
+        el1 << pref.to_xml_node
+      end
+
+      doc.root << el1
+      render :xml => doc.to_s
+    end
+
+    ##
+    # return the value for a single preference
+    def read_one
+      pref = UserPreference.find([current_user.id, params[:preference_key]])
+
+      render :plain => pref.v.to_s
+    end
+
+    # update the entire set of preferences
+    def update
+      old_preferences = current_user.preferences.each_with_object({}) do |preference, preferences|
+        preferences[preference.k] = preference
+      end
+
+      new_preferences = {}
+
+      doc = XML::Parser.string(request.raw_post, :options => XML::Parser::Options::NOERROR).parse
+
+      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, pt["k"]
+        else
+          preference = current_user.preferences.build(:k => pt["k"], :v => pt["v"])
+        end
+
+        new_preferences[preference.k] = preference
+      end
+
+      old_preferences.each_value(&:delete)
+
+      new_preferences.each_value(&:save!)
+
+      render :plain => ""
+    end
+
+    ##
+    # update the value of a single preference
+    def update_one
+      begin
+        pref = UserPreference.find([current_user.id, params[:preference_key]])
+      rescue ActiveRecord::RecordNotFound
+        pref = UserPreference.new
+        pref.user = current_user
+        pref.k = params[:preference_key]
+      end
+
+      pref.v = request.raw_post.chomp
+      pref.save!
+
+      render :plain => ""
+    end
+
+    ##
+    # delete a single preference
+    def delete_one
+      UserPreference.find([current_user.id, params[:preference_key]]).delete
+
+      render :plain => ""
+    end
+  end
+end