87 lines
2.2 KiB
Ruby
87 lines
2.2 KiB
Ruby
# Update and read user preferences, which are arbitrayr key/val pairs
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class UserPreferenceController < ApplicationController
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skip_before_action :verify_authenticity_token
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before_action :authorize
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before_action :require_allow_read_prefs, :only => [:read_one, :read]
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before_action :require_allow_write_prefs, :except => [:read_one, :read]
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around_action :api_call_handle_error
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##
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# return all the preferences as an XML document
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def read
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doc = OSM::API.new.get_xml_doc
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prefs = current_user.preferences
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el1 = XML::Node.new "preferences"
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prefs.each do |pref|
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el1 << pref.to_xml_node
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end
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doc.root << el1
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render :xml => doc.to_s
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end
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##
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# return the value for a single preference
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def read_one
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pref = UserPreference.find([current_user.id, params[:preference_key]])
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render :plain => pref.v.to_s
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end
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# update the entire set of preferences
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def update
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old_preferences = current_user.preferences.each_with_object({}) do |preference, preferences|
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preferences[preference.k] = preference
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end
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new_preferences = {}
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doc = XML::Parser.string(request.raw_post, :options => XML::Parser::Options::NOERROR).parse
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doc.find("//preferences/preference").each do |pt|
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if preference = old_preferences.delete(pt["k"])
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preference.v = pt["v"]
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elsif new_preferences.include?(pt["k"])
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raise OSM::APIDuplicatePreferenceError, pt["k"]
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else
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preference = current_user.preferences.build(:k => pt["k"], :v => pt["v"])
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end
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new_preferences[preference.k] = preference
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end
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old_preferences.each_value(&:delete)
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new_preferences.each_value(&:save!)
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render :plain => ""
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end
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##
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# update the value of a single preference
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def update_one
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begin
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pref = UserPreference.find([current_user.id, params[:preference_key]])
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rescue ActiveRecord::RecordNotFound
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pref = UserPreference.new
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pref.user = current_user
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pref.k = params[:preference_key]
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end
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pref.v = request.raw_post.chomp
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pref.save!
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render :plain => ""
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end
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##
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# delete a single preference
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def delete_one
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UserPreference.find([current_user.id, params[:preference_key]]).delete
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render :plain => ""
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end
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end
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