openstreetmap-website/app/controllers/user_preference_controller.rb
2013-05-10 00:50:24 +01:00

96 lines
2.6 KiB
Ruby

# Update and read user preferences, which are arbitrayr key/val pairs
class UserPreferenceController < ApplicationController
skip_before_filter :verify_authenticity_token
before_filter :authorize
before_filter :require_allow_read_prefs, :only => [:read_one, :read]
before_filter :require_allow_write_prefs, :except => [:read_one, :read]
around_filter :api_call_handle_error
def read_one
pref = UserPreference.find(@user.id, params[:preference_key])
render :text => pref.v.to_s, :content_type => "text/plain"
rescue ActiveRecord::RecordNotFound => ex
render :text => 'OH NOES! PREF NOT FOUND!', :status => :not_found
end
def update_one
begin
pref = UserPreference.find(@user.id, params[:preference_key])
pref.v = request.raw_post.chomp
pref.save
rescue ActiveRecord::RecordNotFound
pref = UserPreference.new
pref.user = @user
pref.k = params[:preference_key]
pref.v = request.raw_post.chomp
pref.save
end
render :nothing => true, :content_type => "text/plain"
end
def delete_one
UserPreference.find(@user.id, params[:preference_key]).delete
render :nothing => true, :content_type => "text/plain"
rescue ActiveRecord::RecordNotFound => ex
render :text => "param: #{params[:preference_key]} not found", :status => :not_found
end
# print out all the preferences as a big xml block
def read
doc = OSM::API.new.get_xml_doc
prefs = @user.preferences
el1 = XML::Node.new 'preferences'
prefs.each do |pref|
el1 << pref.to_xml_node
end
doc.root << el1
render :text => doc.to_s, :content_type => "text/xml"
end
# update the entire set of preferences
def update
doc = XML::Parser.string(request.raw_post).parse
prefs = []
keyhash = {}
doc.find('//preferences/preference').each do |pt|
pref = UserPreference.new
unless keyhash[pt['k']].nil? # already have that key
render :text => 'OH NOES! CAN HAS UNIQUE KEYS?', :status => :not_acceptable, :content_type => "text/plain"
return
end
keyhash[pt['k']] = 1
pref.k = pt['k']
pref.v = pt['v']
pref.user_id = @user.id
prefs << pref
end
if prefs.size > 150
render :text => 'Too many preferences', :status => :request_entity_too_large, :content_type => "text/plain"
return
end
# kill the existing ones
UserPreference.delete_all(['user_id = ?', @user.id])
# save the new ones
prefs.each do |pref|
pref.save!
end
render :nothing => true, :content_type => "text/plain"
end
end