1 # Update and read user preferences, which are arbitrary key/val pairs
3 class UserPreferencesController < ApiController
4 before_action :check_api_writable, :only => [:update_all, :update, :destroy]
5 before_action :authorize
9 before_action :set_request_formats
12 # return all the preferences
14 @user_preferences = current_user.preferences
16 respond_to do |format|
23 # return the value for a single preference
25 pref = UserPreference.find([current_user.id, params[:preference_key]])
27 render :plain => pref.v.to_s
30 # update the entire set of preferences
32 old_preferences = current_user.preferences.index_by(&:k)
36 doc = XML::Parser.string(request.raw_post, :options => XML::Parser::Options::NOERROR).parse
38 doc.find("//preferences/preference").each do |pt|
39 if preference = old_preferences.delete(pt["k"])
40 preference.v = pt["v"]
41 elsif new_preferences.include?(pt["k"])
42 raise OSM::APIDuplicatePreferenceError, pt["k"]
44 preference = current_user.preferences.build(:k => pt["k"], :v => pt["v"])
47 new_preferences[preference.k] = preference
50 old_preferences.each_value(&:delete)
52 new_preferences.each_value(&:save!)
58 # update the value of a single preference
61 pref = UserPreference.find([current_user.id, params[:preference_key]])
62 rescue ActiveRecord::RecordNotFound
63 pref = UserPreference.new
64 pref.user = current_user
65 pref.k = params[:preference_key]
68 pref.v = request.raw_post.chomp.force_encoding("UTF-8")
75 # delete a single preference
77 UserPreference.find([current_user.id, params[:preference_key]]).delete