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 around_action :api_call_handle_error
11 before_action :set_request_formats
14 # return all the preferences
16 @user_preferences = current_user.preferences
18 respond_to do |format|
25 # return the value for a single preference
27 pref = UserPreference.find([current_user.id, params[:preference_key]])
29 render :plain => pref.v.to_s
32 # update the entire set of preferences
34 old_preferences = current_user.preferences.index_by(&:k)
38 doc = XML::Parser.string(request.raw_post, :options => XML::Parser::Options::NOERROR).parse
40 doc.find("//preferences/preference").each do |pt|
41 if preference = old_preferences.delete(pt["k"])
42 preference.v = pt["v"]
43 elsif new_preferences.include?(pt["k"])
44 raise OSM::APIDuplicatePreferenceError, pt["k"]
46 preference = current_user.preferences.build(:k => pt["k"], :v => pt["v"])
49 new_preferences[preference.k] = preference
52 old_preferences.each_value(&:delete)
54 new_preferences.each_value(&:save!)
60 # update the value of a single preference
63 pref = UserPreference.find([current_user.id, params[:preference_key]])
64 rescue ActiveRecord::RecordNotFound
65 pref = UserPreference.new
66 pref.user = current_user
67 pref.k = params[:preference_key]
70 pref.v = request.raw_post.chomp.force_encoding("UTF-8")
77 # delete a single preference
79 UserPreference.find([current_user.id, params[:preference_key]]).delete