planetstack/core/xoslib/static/js/xoslib/xos-backbone.js

   1 if (! window.XOSLIB_LOADED ) {
   2     window.XOSLIB_LOADED=true;
   3
   4     SLIVER_API = "/plstackapi/slivers/";
   5     SLICE_API = "/plstackapi/slices/";
   6     NODE_API = "/plstackapi/nodes/";
   7     SITE_API = "/plstackapi/sites/";
   8     USER_API = "/plstackapi/users/";
   9     DEPLOYMENT_API = "/plstackapi/deployments";
  10     IMAGE_API = "/plstackapi/images";
  11
  12     SLICEPLUS_API = "/xoslib/slicesplus/";
  13
  14     XOSModel = Backbone.Model.extend({
  15         /* from backbone-tastypie.js */
  16         //idAttribute: 'resource_uri',
  17
  18         /* from backbone-tastypie.js */
  19         url: function() {
  20                     var url = this.attributes.resource_uri;
  21
  22                     if (!url) {
  23                         url = this.urlRoot + this.id;
  24                     }
  25
  26                     if (!url) {
  27                         // XXX I'm not sure this does anything useful
  28                         url = ( _.isFunction( this.collection.url ) ? this.collection.url() : this.collection.url );
  29                         url = url || this.urlRoot;
  30                     }
  31
  32                     // remove any existing query parameters
  33                     url && ( url.indexOf("?") > -1 ) && ( url = url.split("?")[0] );
  34
  35                     url && ( url += ( url.length > 0 && url.charAt( url.length - 1 ) === '/' ) ? '' : '/' );
  36
  37                     url && ( url += "?no_hyperlinks=1" );
  38
  39                     return url;
  40             },
  41
  42             listMethods: function() {
  43                 var res = [];\r
  44                 for(var m in this) {\r
  45                     if(typeof this[m] == "function") {\r
  46                         res.push(m)\r
  47                     }\r
  48                 }\r
  49                 return res;\r
  50             }
  51     });
  52
  53     XOSCollection = Backbone.Collection.extend({
  54         objects: function() {
  55                     return this.models.map(function(element) { return element.attributes; });
  56                  },
  57
  58         initialize: function(){
  59           this.sortVar = 'name';\r
  60           this.sortOrder = 'asc';\r
  61         },\r
  62 \r
  63         simpleComparator: function( model ){\r
  64           parts=this.sortVar.split(".");\r
  65           result = model.get(parts[0]);\r
  66           for (index=1; index<parts.length; ++index) {\r
  67               result=result[parts[index]];\r
  68           }\r
  69           return result;\r
  70         },\r
  71 \r
  72         comparator: function (left, right) {\r
  73             var l = this.simpleComparator(left);\r
  74             var r = this.simpleComparator(right);\r
  75 \r
  76             if (l === void 0) return -1;\r
  77             if (r === void 0) return 1;\r
  78 \r
  79             if (this.sortOrder=="desc") {\r
  80                 return l < r ? 1 : l > r ? -1 : 0;\r
  81             } else {\r
  82                 return l < r ? -1 : l > r ? 1 : 0;\r
  83             }\r
  84         },\r
  85 \r
  86         startPolling: function() {\r
  87             if (!this._polling) {
  88                 collection=this;
  89                 setInterval(function() { collection.fetch(); }, 10000);
  90                 this._polling=true;
  91                 this.fetch();
  92             }
  93         },
  94
  95         maybeFetch: function(options){
  96                 // Helper function to fetch only if this collection has not been fetched before.
  97             if(this._fetched){
  98                     // If this has already been fetched, call the success, if it exists
  99                 options.success && options.success();
 100                 console.log("alreadyFetched");
 101                 return;
 102             }
 103
 104                 // when the original success function completes mark this collection as fetched
 105             var self = this,
 106             successWrapper = function(success){
 107                 return function(){
 108                     self._fetched = true;
 109                     success && success.apply(this, arguments);
 110                 };
 111             };
 112             options.success = successWrapper(options.success);
 113             console.log("call fetch");
 114             this.fetch(options);
 115         },
 116
 117         getOrFetch: function(id, options){
 118                 // Helper function to use this collection as a cache for models on the server
 119             var model = this.get(id);
 120
 121             if(model){
 122                 options.success && options.success(model);
 123                 return;
 124             }
 125
 126             model = new this.model({
 127                 resource_uri: id
 128             });
 129
 130             model.fetch(options);
 131         },
 132
 133         /* from backbone-tastypie.js */
 134         url: function( models ) {
 135                     var url = this.urlRoot || ( models && models.length && models[0].urlRoot );
 136                     url && ( url += ( url.length > 0 && url.charAt( url.length - 1 ) === '/' ) ? '' : '/' );
 137
 138                     // Build a url to retrieve a set of models. This assume the last part of each model's idAttribute
 139                     // (set to 'resource_uri') contains the model's id.
 140                     if ( models && models.length ) {
 141                             var ids = _.map( models, function( model ) {
 142                                             var parts = _.compact( model.id.split('/') );
 143                                             return parts[ parts.length - 1 ];
 144                                     });
 145                             url += 'set/' + ids.join(';') + '/';
 146                     }
 147
 148                     url && ( url += "?no_hyperlinks=1" );
 149
 150                     return url;
 151             },
 152
 153             listMethods: function() {
 154                 var res = [];\r
 155                 for(var m in this) {\r
 156                     if(typeof this[m] == "function") {\r
 157                         res.push(m)\r
 158                     }\r
 159                 }\r
 160                 return res;\r
 161             }
 162     });
 163
 164     function xoslib() {
 165         // basic REST
 166         this.sliver = XOSModel.extend({ urlRoot: SLIVER_API });
 167         this.sliverCollection = XOSCollection.extend({ urlRoot: SLIVER_API,
 168                                                        model: this.sliver});
 169         this.slivers = new this.sliverCollection();
 170
 171         this.slice = XOSModel.extend({ urlRoot: SLICE_API });
 172         this.sliceCollection = XOSCollection.extend({ urlRoot: SLICE_API,
 173                                                        model: this.slice});
 174         this.slices = new this.sliceCollection();
 175
 176         this.node = XOSModel.extend({ urlRoot: NODE_API });
 177         this.nodeCollection = XOSCollection.extend({ urlRoot: NODE_API,
 178                                                        model: this.node});
 179         this.nodes = new this.nodeCollection();
 180
 181         this.site = XOSModel.extend({ urlRoot: SITE_API });
 182         this.siteCollection = XOSCollection.extend({ urlRoot: SITE_API,
 183                                                        model: this.site});
 184         this.sites = new this.siteCollection();
 185
 186         this.user = XOSModel.extend({ urlRoot: USER_API });
 187         this.userCollection = XOSCollection.extend({ urlRoot: USER_API,
 188                                                        model: this.user});
 189         this.users = new this.userCollection();
 190
 191         this.deployment = XOSModel.extend({ urlRoot: DEPLOYMENT_API });
 192         this.deploymentCollection = XOSCollection.extend({ urlRoot: DEPLOYMENT_API,
 193                                                            model: this.deployment});
 194         this.deployments = new this.deploymentCollection();
 195
 196         this.image = XOSModel.extend({ urlRoot: IMAGE_API });
 197         this.imageCollection = XOSCollection.extend({ urlRoot: IMAGE_API,
 198                                                            model: this.image});
 199         this.images = new this.imageCollection();
 200
 201         // enhanced REST
 202         this.slicePlus = XOSModel.extend({ urlRoot: SLICEPLUS_API });
 203         this.slicePlusCollection = XOSCollection.extend({ urlRoot: SLICEPLUS_API,
 204                                                           model: this.slicePlus});
 205         this.slicesPlus = new this.slicePlusCollection();
 206
 207         this.listObjects = function() { return ["slivers", "slices", "nodes", "sites", "users", "deployments"]; };
 208     };
 209
 210     xos = new xoslib();
 211 }