1 # Update and read user preferences, which are arbitrayr key/val pairs
3 class UserPreferencesController < ApiController
4 before_action :authorize
8 around_action :api_call_handle_error
11 # return all the preferences as an XML document
13 doc = OSM::API.new.get_xml_doc
15 prefs = current_user.preferences
17 el1 = XML::Node.new "preferences"
20 el1 << pref.to_xml_node
24 render :xml => doc.to_s
28 # return the value for a single preference
30 pref = UserPreference.find([current_user.id, params[:preference_key]])
32 render :plain => pref.v.to_s
35 # update the entire set of preferences
37 old_preferences = current_user.preferences.each_with_object({}) do |preference, preferences|
38 preferences[preference.k] = preference
43 doc = XML::Parser.string(request.raw_post, :options => XML::Parser::Options::NOERROR).parse
45 doc.find("//preferences/preference").each do |pt|
46 if preference = old_preferences.delete(pt["k"])
47 preference.v = pt["v"]
48 elsif new_preferences.include?(pt["k"])
49 raise OSM::APIDuplicatePreferenceError, pt["k"]
51 preference = current_user.preferences.build(:k => pt["k"], :v => pt["v"])
54 new_preferences[preference.k] = preference
57 old_preferences.each_value(&:delete)
59 new_preferences.each_value(&:save!)
65 # update the value of a single preference
68 pref = UserPreference.find([current_user.id, params[:preference_key]])
69 rescue ActiveRecord::RecordNotFound
70 pref = UserPreference.new
71 pref.user = current_user
72 pref.k = params[:preference_key]
75 pref.v = request.raw_post.chomp
82 # delete a single preference
84 UserPreference.find([current_user.id, params[:preference_key]]).delete