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     NETWORK_API = "/plstackapi/networks";
  12     SERVICE_API = "/plstackapi/services";
  13
  14     SLICEPLUS_API = "/xoslib/slicesplus/";
  15
  16     XOSModel = Backbone.Model.extend({
  17         /* from backbone-tastypie.js */
  18         //idAttribute: 'resource_uri',
  19
  20         /* from backbone-tastypie.js */
  21         url: function() {
  22                     var url = this.attributes.resource_uri;
  23
  24                     if (!url) {
  25                         url = this.urlRoot + this.id;
  26                     }
  27
  28                     if (!url) {
  29                         // XXX I'm not sure this does anything useful
  30                         url = ( _.isFunction( this.collection.url ) ? this.collection.url() : this.collection.url );
  31                         url = url || this.urlRoot;
  32                     }
  33
  34                     // remove any existing query parameters
  35                     url && ( url.indexOf("?") > -1 ) && ( url = url.split("?")[0] );
  36
  37                     url && ( url += ( url.length > 0 && url.charAt( url.length - 1 ) === '/' ) ? '' : '/' );
  38
  39                     url && ( url += "?no_hyperlinks=1" );
  40
  41                     return url;
  42             },
  43
  44             listMethods: function() {
  45                 var res = [];\r
  46                 for(var m in this) {\r
  47                     if(typeof this[m] == "function") {\r
  48                         res.push(m)\r
  49                     }\r
  50                 }\r
  51                 return res;\r
  52             }
  53     });
  54
  55     XOSCollection = Backbone.Collection.extend({
  56         objects: function() {
  57                     return this.models.map(function(element) { return element.attributes; });
  58                  },
  59
  60         initialize: function(){
  61           this.sortVar = 'name';\r
  62           this.sortOrder = 'asc';\r
  63         },\r
  64 \r
  65         simpleComparator: function( model ){\r
  66           parts=this.sortVar.split(".");\r
  67           result = model.get(parts[0]);\r
  68           for (index=1; index<parts.length; ++index) {\r
  69               result=result[parts[index]];\r
  70           }\r
  71           return result;\r
  72         },\r
  73 \r
  74         comparator: function (left, right) {\r
  75             var l = this.simpleComparator(left);\r
  76             var r = this.simpleComparator(right);\r
  77 \r
  78             if (l === void 0) return -1;\r
  79             if (r === void 0) return 1;\r
  80 \r
  81             if (this.sortOrder=="desc") {\r
  82                 return l < r ? 1 : l > r ? -1 : 0;\r
  83             } else {\r
  84                 return l < r ? -1 : l > r ? 1 : 0;\r
  85             }\r
  86         },\r
  87 \r
  88         startPolling: function() {\r
  89             if (!this._polling) {
  90                 collection=this;
  91                 setInterval(function() { collection.fetch(); }, 10000);
  92                 this._polling=true;
  93                 this.fetch();
  94             }
  95         },
  96
  97         maybeFetch: function(options){
  98                 // Helper function to fetch only if this collection has not been fetched before.
  99             if(this._fetched){
 100                     // If this has already been fetched, call the success, if it exists
 101                 options.success && options.success();
 102                 console.log("alreadyFetched");
 103                 return;
 104             }
 105
 106                 // when the original success function completes mark this collection as fetched
 107             var self = this,
 108             successWrapper = function(success){
 109                 return function(){
 110                     self._fetched = true;
 111                     success && success.apply(this, arguments);
 112                 };
 113             };
 114             options.success = successWrapper(options.success);
 115             console.log("call fetch");
 116             this.fetch(options);
 117         },
 118
 119         getOrFetch: function(id, options){
 120                 // Helper function to use this collection as a cache for models on the server
 121             var model = this.get(id);
 122
 123             if(model){
 124                 options.success && options.success(model);
 125                 return;
 126             }
 127
 128             model = new this.model({
 129                 resource_uri: id
 130             });
 131
 132             model.fetch(options);
 133         },
 134
 135         /* from backbone-tastypie.js */
 136         url: function( models ) {
 137                     var url = this.urlRoot || ( models && models.length && models[0].urlRoot );
 138                     url && ( url += ( url.length > 0 && url.charAt( url.length - 1 ) === '/' ) ? '' : '/' );
 139
 140                     // Build a url to retrieve a set of models. This assume the last part of each model's idAttribute
 141                     // (set to 'resource_uri') contains the model's id.
 142                     if ( models && models.length ) {
 143                             var ids = _.map( models, function( model ) {
 144                                             var parts = _.compact( model.id.split('/') );
 145                                             return parts[ parts.length - 1 ];
 146                                     });
 147                             url += 'set/' + ids.join(';') + '/';
 148                     }
 149
 150                     url && ( url += "?no_hyperlinks=1" );
 151
 152                     return url;
 153             },
 154
 155             listMethods: function() {
 156                 var res = [];\r
 157                 for(var m in this) {\r
 158                     if(typeof this[m] == "function") {\r
 159                         res.push(m)\r
 160                     }\r
 161                 }\r
 162                 return res;\r
 163             }
 164     });
 165
 166     function xoslib() {
 167         // basic REST
 168         this.sliver = XOSModel.extend({ urlRoot: SLIVER_API });
 169         this.sliverCollection = XOSCollection.extend({ urlRoot: SLIVER_API,
 170                                                        model: this.sliver});
 171         this.slivers = new this.sliverCollection();
 172
 173         this.slice = XOSModel.extend({ urlRoot: SLICE_API });
 174         this.sliceCollection = XOSCollection.extend({ urlRoot: SLICE_API,
 175                                                        model: this.slice});
 176         this.slices = new this.sliceCollection();
 177
 178         this.node = XOSModel.extend({ urlRoot: NODE_API });
 179         this.nodeCollection = XOSCollection.extend({ urlRoot: NODE_API,
 180                                                        model: this.node});
 181         this.nodes = new this.nodeCollection();
 182
 183         this.site = XOSModel.extend({ urlRoot: SITE_API });
 184         this.siteCollection = XOSCollection.extend({ urlRoot: SITE_API,
 185                                                        model: this.site});
 186         this.sites = new this.siteCollection();
 187
 188         this.user = XOSModel.extend({ urlRoot: USER_API });
 189         this.userCollection = XOSCollection.extend({ urlRoot: USER_API,
 190                                                        model: this.user});
 191         this.users = new this.userCollection();
 192
 193         this.deployment = XOSModel.extend({ urlRoot: DEPLOYMENT_API });
 194         this.deploymentCollection = XOSCollection.extend({ urlRoot: DEPLOYMENT_API,
 195                                                            model: this.deployment});
 196         this.deployments = new this.deploymentCollection();
 197
 198         this.image = XOSModel.extend({ urlRoot: IMAGE_API });
 199         this.imageCollection = XOSCollection.extend({ urlRoot: IMAGE_API,
 200                                                            model: this.image});
 201         this.images = new this.imageCollection();
 202
 203         this.network = XOSModel.extend({ urlRoot: NETWORK_API });
 204         this.networkCollection = XOSCollection.extend({ urlRoot: NETWORK_API,
 205                                                            model: this.network});
 206         this.networks = new this.networkCollection();
 207
 208         this.service = XOSModel.extend({ urlRoot: SERVICE_API });
 209         this.serviceCollection = XOSCollection.extend({ urlRoot: SERVICE_API,
 210                                                        model: this.service});
 211         this.services = new this.serviceCollection();
 212
 213         // enhanced REST
 214         this.slicePlus = XOSModel.extend({ urlRoot: SLICEPLUS_API });
 215         this.slicePlusCollection = XOSCollection.extend({ urlRoot: SLICEPLUS_API,
 216                                                           model: this.slicePlus});
 217         this.slicesPlus = new this.slicePlusCollection();
 218
 219         this.listObjects = function() { return ["slivers", "slices", "nodes", "sites", "users", "deployments"]; };
 220     };
 221
 222     xos = new xoslib();
 223 }