Removing objects from datastore

DOCUMENTATION.md

@@ -11,6 +11,35 @@
 * **string** *type* The type of the model.
 * **string** *id* The id of the model.
 
+## _addDependence(type, id, key)
+
+Add a dependent to a model.
+
+### Params:
+
+* **string** *type* The type of the dependent model.
+* **string** *id* The id of the dependent model.
+* **string** *key* The name of the relation found on the dependent model.
+
+## _removeDependence(type, id)
+
+Removes a dependent from a model.
+
+### Params:
+
+* **string** *type* The type of the dependent model.
+* **string** *id* The id of the dependent model.
+
+## removeRelationship(type, id, relName)
+
+Removes a relationship from a model.
+
+### Params:
+
+* **string** *type* The type of the dependent model.
+* **string** *id* The id of the dependent model.
+* **string** *relName* The name of the relationship.
+
 ## serialize(opts)
 
 Serialize a model.

dist/jsonapi-datastore.js

@@ -20,6 +20,7 @@ var JsonApiDataStoreModel = (function () {
     this.id = id;
     this._type = type;
     this._attributes = [];
+    this._dependents = [];
     this._relationships = [];
   }
 
@@ -28,16 +29,79 @@ var JsonApiDataStoreModel = (function () {
    */
 
   /**
-   * Serialize a model.
-   * @method serialize
-   * @param {object} opts The options for serialization.  Available properties:
-   *
-   *  - `{array=}` `attributes` The list of attributes to be serialized (default: all attributes).
-   *  - `{array=}` `relationships` The list of relationships to be serialized (default: all relationships).
-   * @return {object} JSONAPI-compliant object
-   */
+   * Add a dependent to a model.
+   * @method _addDependence
+   * @param {string} type The type of the dependent model.
+   * @param {string} id The id of the dependent model.
+   * @param {string} key The name of the relation found on the dependent model.
+    */
 
   _createClass(JsonApiDataStoreModel, [{
+    key: "_addDependence",
+    value: function _addDependence(type, id, key) {
+      var self = this,
+          found;
+
+      found = self._dependents.find(function (dependent) {
+        return dependent.id === id && dependent.type === type && dependent.relation === key;
+      });
+      if (found === undefined) {
+        self._dependents.push({ id: id, type: type, relation: key });
+      }
+    }
+
+    /**
+     * Removes a dependent from a model.
+     * @method _removeDependence
+     * @param {string} type The type of the dependent model.
+     * @param {string} id The id of the dependent model.
+      */
+  }, {
+    key: "_removeDependence",
+    value: function _removeDependence(type, id) {
+      var self = this,
+          found;
+
+      self._dependents.forEach(function (val, idx) {
+        if (val.id === id && val.type === type) {
+          self._dependents.splice(idx, 1);
+        }
+      });
+    }
+
+    /**
+     * Removes a relationship from a model.
+     * @method removeRelationship
+     * @param {string} type The type of the dependent model.
+     * @param {string} id The id of the dependent model.
+     * @param {string} relName The name of the relationship.
+      */
+  }, {
+    key: "removeRelationship",
+    value: function removeRelationship(type, id, relName) {
+      var self = this;
+      self._removeDependence(type, id);
+      if (self[relName].constructor === Array) {
+        self[relName].forEach(function (val, idx) {
+          if (val.id === id && val.type === type) {
+            self[relName].splice(idx, 1);
+          }
+        });
+      } else if (self[relName].id === id) {
+        self[relName] = null;
+      }
+    }
+
+    /**
+     * Serialize a model.
+     * @method serialize
+     * @param {object} opts The options for serialization.  Available properties:
+     *
+     *  - `{array=}` `attributes` The list of attributes to be serialized (default: all attributes).
+     *  - `{array=}` `relationships` The list of relationships to be serialized (default: all relationships).
+     * @return {object} JSONAPI-compliant object
+     */
+  }, {
     key: "serialize",
     value: function serialize(opts) {
       var self = this,
@@ -126,6 +190,10 @@ var JsonApiDataStore = (function () {
   _createClass(JsonApiDataStore, [{
     key: "destroy",
     value: function destroy(model) {
+      var self = this;
+      model._dependents.forEach(function (dependent, depIdx) {
+        self.graph[dependent.type][dependent.id].removeRelationship(model._type, model.id, dependent.relation);
+      });
       delete this.graph[model._type][model.id];
     }
 
@@ -208,8 +276,12 @@ var JsonApiDataStore = (function () {
               model[key] = null;
             } else if (rel.data.constructor === Array) {
               model[key] = rel.data.map(findOrInit);
+              model[key].forEach(function (record, key) {
+                record._addDependence(model._type, model.id, key);
+              });
             } else {
               model[key] = findOrInit(rel.data);
+              model[key]._addDependence(model._type, model.id, key);
             }
           }
           if (rel.links) {

dist/ng-jsonapi-datastore.js

@@ -48,6 +48,7 @@
       this.id = id;
       this._type = type;
       this._attributes = [];
+      this._dependents = [];
       this._relationships = [];
     }
 
@@ -56,16 +57,83 @@
      */
 
     /**
-     * Serialize a model.
-     * @method serialize
-     * @param {object} opts The options for serialization.  Available properties:
-     *
-     *  - `{array=}` `attributes` The list of attributes to be serialized (default: all attributes).
-     *  - `{array=}` `relationships` The list of relationships to be serialized (default: all relationships).
-     * @return {object} JSONAPI-compliant object
+     * Add a dependent to a model.
+     * @method _addDependence
+     * @param {string} type The type of the dependent model.
+     * @param {string} id The id of the dependent model.
+     * @param {string} key The name of the relation found on the dependent model.
      */
 
     _createClass(JsonApiDataStoreModel, [{
+      key: "_addDependence",
+      value: function _addDependence(type, id, key) {
+        var self = this,
+          found;
+
+        found = self._dependents.find(function(dependent) {
+          return dependent.id === id && dependent.type === type && dependent.relation === key;
+        });
+        if (found === undefined) {
+          self._dependents.push({
+            id: id,
+            type: type,
+            relation: key
+          });
+        }
+      }
+
+      /**
+       * Removes a dependent from a model.
+       * @method _removeDependence
+       * @param {string} type The type of the dependent model.
+       * @param {string} id The id of the dependent model.
+       */
+    }, {
+      key: "_removeDependence",
+      value: function _removeDependence(type, id) {
+        var self = this,
+          found;
+
+        self._dependents.forEach(function(val, idx) {
+          if (val.id === id && val.type === type) {
+            self._dependents.splice(idx, 1);
+          }
+        });
+      }
+
+      /**
+       * Removes a relationship from a model.
+       * @method removeRelationship
+       * @param {string} type The type of the dependent model.
+       * @param {string} id The id of the dependent model.
+       * @param {string} relName The name of the relationship.
+       */
+    }, {
+      key: "removeRelationship",
+      value: function removeRelationship(type, id, relName) {
+        var self = this;
+        self._removeDependence(type, id);
+        if (self[relName].constructor === Array) {
+          self[relName].forEach(function(val, idx) {
+            if (val.id === id && val.type === type) {
+              self[relName].splice(idx, 1);
+            }
+          });
+        } else if (self[relName].id === id) {
+          self[relName] = null;
+        }
+      }
+
+      /**
+       * Serialize a model.
+       * @method serialize
+       * @param {object} opts The options for serialization.  Available properties:
+       *
+       *  - `{array=}` `attributes` The list of attributes to be serialized (default: all attributes).
+       *  - `{array=}` `relationships` The list of relationships to be serialized (default: all relationships).
+       * @return {object} JSONAPI-compliant object
+       */
+    }, {
       key: "serialize",
       value: function serialize(opts) {
         var self = this,
@@ -163,6 +231,10 @@
     _createClass(JsonApiDataStore, [{
       key: "destroy",
       value: function destroy(model) {
+        var self = this;
+        model._dependents.forEach(function(dependent, depIdx) {
+          self.graph[dependent.type][dependent.id].removeRelationship(model._type, model.id, dependent.relation);
+        });
         delete this.graph[model._type][model.id];
       }
 
@@ -245,8 +317,12 @@
                 model[key] = null;
               } else if (rel.data.constructor === Array) {
                 model[key] = rel.data.map(findOrInit);
+                model[key].forEach(function(record, key) {
+                  record._addDependence(model._type, model.id, key);
+                });
               } else {
                 model[key] = findOrInit(rel.data);
+                model[key]._addDependence(model._type, model.id, key);
               }
             }
             if (rel.links) {