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