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annotate nodes.js @ 0:9ee956af41e3

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author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sun, 27 Jun 2010 22:05:12 +0200
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children c2954a9e5665
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1 /*
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2 * Copyright (C) 2010 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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3 *
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4 * This file is part of PSĜS, a PubSub server written in JavaScript.
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5 *
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6 * PSĜS is free software: you can redistribute it and/or modify
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7 * it under the terms of the GNU Affero General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License.
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10 *
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11 * PSĜS is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU Affero General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Affero General Public License
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17 * along with PSĜS. If not, see <http://www.gnu.org/licenses/>.
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18 */
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19
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20 require('./iso8601');
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21 var errors = require('./errors');
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22 var config = require('./configuration');
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23 var service_configuration = config.service_configuration;
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24 var Configuration = config.Configuration;
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25 var makeRandomId = require('./util').makeRandomId;
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26
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27 exports.Item = function() {
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28 this.content = null;
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29 this.date = new Date();
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30 return this;
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31 };
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32
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33 exports.Node = function(params) {
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34 this.items = {};
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35 if (config.enabled('subscribe'))
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36 this.subscribers = {};
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37 this.owner = ['lm@slam'];
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38 if (config.enabled('publisher-affiliation'))
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39 this.publisher = [];
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40 if (config.enabled('publish-only-affiliation'))
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41 this.publishOnly = [];
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42 if (config.enabled('member-affiliation'))
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43 this.member = [];
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44 if (config.enabled('outcast-affiliation'))
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45 this.outcast = [];
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46 if (config.enabled('meta-data'))
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47 this.metadata = new Configuration(service_configuration.node_metadata, params);
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48 if (config.enabled('config-node'))
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49 this.configuration = new Configuration(service_configuration.node_config, params);
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50 if (config.enabled('subscription-options'))
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51 this.subsConfig = new Configuration(service_configuration.subscribe_options, params);
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52 return this;
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53 };
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54
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55 exports.Node.prototype = {
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56 setItem: function(name, content) {
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57 if (typeof content == 'undefined') {
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58 if (this.items[name]) {
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59 delete this.items[name];
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60 return errors.success;
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61 }
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62 return 42; //XXX
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63 }
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64
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65 if (!this.items[name])
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66 this.items[name] = new exports.Item();
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67
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68 this.items[name].content = content;
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69
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70 return errors.success;
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71 },
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72
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73 setSubscriber: function(jid, type, subid, params) {
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74 if (type == 'none') {
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75 delete this.subscribers[jid];
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76 this.metadata['pubsub#num_subscribers']--;
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77 return errors.success;
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78 }
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79
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80 if (!subid)
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81 subid = makeRandomId();
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82
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83 this.subscribers[jid] = {
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84 type: type,
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85 subid: subid,
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86 options: new Configuration(service_configuration.subscribe_options, params),
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87 }
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88
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89 this.metadata['pubsub#num_subscribers']++;
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90
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91 return subid;
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92 },
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93 };