02efd7ba4a
actually using the composite primary key extension this time so that it really works. Also stop update_one tring to render a non-existent view, and add a delete_one method to allow preferences to be deleted.
100 lines
2.2 KiB
Ruby
100 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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before_filter :authorize
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def read_one
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pref = UserPreference.find(@user.id, params[:preference_key])
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if pref
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render :text => pref.v.to_s
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else
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render :text => 'OH NOES! PREF NOT FOUND!', :status => 404
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end
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end
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def update_one
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begin
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pref = UserPreference.find(@user.id, params[:preference_key])
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pref.v = request.raw_post.chomp
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pref.save
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rescue ActiveRecord::RecordNotFound
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pref = UserPreference.new
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pref.user = @user
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pref.k = params[:preference_key]
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pref.v = request.raw_post.chomp
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pref.save
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end
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render :nothing => true
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end
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def delete_one
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UserPreference.delete(@user.id, params[:preference_key])
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render :nothing => true
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end
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# print out all the preferences as a big xml block
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def read
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doc = OSM::API.new.get_xml_doc
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prefs = @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 :text => doc.to_s, :content_type => "text/xml"
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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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begin
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p = XML::Parser.new
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p.string = request.raw_post
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doc = p.parse
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prefs = []
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keyhash = {}
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doc.find('//preferences/preference').each do |pt|
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pref = UserPreference.new
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unless keyhash[pt['k']].nil? # already have that key
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render :text => 'OH NOES! CAN HAS UNIQUE KEYS?', :status => :not_acceptable
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return
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end
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keyhash[pt['k']] = 1
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pref.k = pt['k']
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pref.v = pt['v']
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pref.user_id = @user.id
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prefs << pref
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end
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if prefs.size > 150
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render :text => 'Too many preferences', :status => :request_entity_too_large
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return
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end
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# kill the existing ones
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UserPreference.delete_all(['user_id = ?', @user.id])
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# save the new ones
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prefs.each do |pref|
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pref.save!
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end
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rescue Exception => ex
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render :text => 'OH NOES! FAIL!: ' + ex.to_s, :status => :internal_server_error
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return
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end
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render :nothing => true
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end
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end
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