[BUGFIX release] backport ActiveModelAdapter changes

This brings the ActiveModelAdapter in ember data up to date with
the changes in the ActiveModel repository, as of commit
6e846e74f919e8b4c47450a855963f06329a7bdc, about 1.13.4.

packages/activemodel-adapter/lib/system/active-model-adapter.js

@@ -1,17 +1,20 @@
-import {RESTAdapter} from "ember-data/adapters";
-import {pluralize} from "ember-inflector";
+import Ember from 'ember';
 import {
   InvalidError,
   errorsHashToArray
-} from "ember-data/adapters/errors";
+} from 'ember-data/adapters/errors';
+import RESTAdapter from 'ember-data/adapters/rest-adapter';
+
+const {
+  pluralize,
+  decamelize,
+  underscore
+} = Ember.String;
 
 /**
   @module ember-data
 */
 
-var decamelize = Ember.String.decamelize;
-var underscore = Ember.String.underscore;
-
 /**
   The ActiveModelAdapter is a subclass of the RESTAdapter designed to integrate
   with a JSON API that uses an underscored naming convention instead of camelCasing.
@@ -103,7 +106,7 @@ var underscore = Ember.String.underscore;
   @extends DS.RESTAdapter
 **/
 
-var ActiveModelAdapter = RESTAdapter.extend({
+const ActiveModelAdapter = RESTAdapter.extend({
   defaultSerializer: '-active-model',
   /**
     The ActiveModelAdapter overrides the `pathForType` method to build

packages/activemodel-adapter/lib/system/active-model-serializer.js

@@ -1,15 +1,18 @@
-import { singularize } from "ember-inflector";
-import RESTSerializer from "ember-data/serializers/rest-serializer";
-import normalizeModelName from "ember-data/system/normalize-model-name";
+import Ember from 'ember';
+import RESTSerializer from 'ember-data/serializers/rest-serializer';
+import normalizeModelName from 'ember-data/system/normalize-model-name';
+
 /**
   @module ember-data
-*/
+ */
 
-var forEach = Ember.ArrayPolyfills.forEach;
-var camelize =   Ember.String.camelize;
-var classify = Ember.String.classify;
-var decamelize = Ember.String.decamelize;
-var underscore = Ember.String.underscore;
+const {
+  singularize,
+  classify,
+  decamelize,
+  camelize,
+  underscore
+} = Ember.String;
 
 /**
   The ActiveModelSerializer is a subclass of the RESTSerializer designed to integrate
@@ -177,9 +180,7 @@ var ActiveModelSerializer = RESTSerializer.extend({
     if (Ember.isNone(belongsTo)) {
       json[jsonKey] = null;
     } else {
-      json[jsonKey] = classify(belongsTo.modelName).replace(/(\/)([a-z])/g, function(match, separator, chr) {
-        return match.toUpperCase();
-      }).replace('/', '::');
+      json[jsonKey] = classify(belongsTo.modelName).replace('/', '::');
     }
   },
 
@@ -279,10 +280,7 @@ var ActiveModelSerializer = RESTSerializer.extend({
           if (payload && payload.type) {
             payload.type = this.modelNameFromPayloadKey(payload.type);
           } else if (payload && relationship.kind === "hasMany") {
-            var self = this;
-            forEach.call(payload, function(single) {
-              single.type = self.modelNameFromPayloadKey(single.type);
-            });
+            payload.forEach((single) => single.type = this.modelNameFromPayloadKey(single.type));
           }
         } else {
           payloadKey = this.keyForRelationship(key, relationship.kind, "deserialize");
@@ -298,12 +296,62 @@ var ActiveModelSerializer = RESTSerializer.extend({
       }, this);
     }
   },
+
+  extractRelationships: function(modelClass, resourceHash) {
+    modelClass.eachRelationship(function (key, relationshipMeta) {
+      var relationshipKey = this.keyForRelationship(key, relationshipMeta.kind, "deserialize");
+
+      // prefer the format the AMS gem expects, e.g.:
+      // relationship: {id: id, type: type}
+      if (relationshipMeta.options.polymorphic) {
+        extractPolymorphicRelationships(key, relationshipMeta, resourceHash, relationshipKey);
+      }
+      // If the preferred format is not found, use {relationship_name_id, relationship_name_type}
+      if (resourceHash.hasOwnProperty(relationshipKey) && typeof resourceHash[relationshipKey] !== 'object') {
+        var polymorphicTypeKey = this.keyForRelationship(key) + '_type';
+        if (resourceHash[polymorphicTypeKey] && relationshipMeta.options.polymorphic) {
+          let id = resourceHash[relationshipKey];
+          let type = resourceHash[polymorphicTypeKey];
+          delete resourceHash[polymorphicTypeKey];
+          delete resourceHash[relationshipKey];
+          resourceHash[relationshipKey] = { id: id, type: type };
+        }
+      }
+    }, this);
+    return this._super.apply(this, arguments);
+  },
+
   modelNameFromPayloadKey: function(key) {
-    var convertedFromRubyModule = camelize(singularize(key)).replace(/(^|\:)([A-Z])/g, function(match, separator, chr) {
-      return match.toLowerCase();
-    }).replace('::', '/');
+    var convertedFromRubyModule = singularize(key.replace('::', '/'));
     return normalizeModelName(convertedFromRubyModule);
   }
 });
 
+function extractPolymorphicRelationships(key, relationshipMeta, resourceHash, relationshipKey) {
+  let polymorphicKey = decamelize(key);
+  if (polymorphicKey in resourceHash && typeof resourceHash[polymorphicKey] === 'object') {
+    if (relationshipMeta.kind === 'belongsTo') {
+      let hash = resourceHash[polymorphicKey];
+      let {id, type} = hash;
+      resourceHash[relationshipKey] = { id, type };
+    // otherwise hasMany
+    } else {
+      let hashes = resourceHash[polymorphicKey];
+
+      if (!hashes) {
+        return;
+      }
+
+      // TODO: replace this with map when ActiveModelAdapter branches for Ember Data 2.0
+      var array = [];
+      for (let i = 0, length = hashes.length; i < length; i++) {
+        let hash = hashes[i];
+        let {id, type} = hash;
+        array.push({ id, type });
+      }
+      resourceHash[relationshipKey] = array;
+    }
+  }
+}
+
 export default ActiveModelSerializer;

packages/activemodel-adapter/tests/integration/active-model-adapter-serializer-test.js

@@ -1,5 +1,7 @@
 var env, store, adapter, User;
+
 var originalAjax;
+const {ActiveModelAdapter} = DS;
 
 module("integration/active_model_adapter_serializer - AMS Adapter and Serializer", {
   setup: function() {
@@ -11,7 +13,7 @@ module("integration/active_model_adapter_serializer - AMS Adapter and Serializer
 
     env = setupStore({
       user: User,
-      adapter: DS.ActiveModelAdapter
+      adapter: ActiveModelAdapter
     });
 
     store = env.store;
@@ -25,7 +27,7 @@ module("integration/active_model_adapter_serializer - AMS Adapter and Serializer
   }
 });
 
-test('errors are camelCased and are expected under the `errors` property of the payload', function() {
+test('errors are camelCased and are expected under the `errors` property of the payload', function(assert) {
   var jqXHR = {
     status: 422,
     getAllResponseHeaders: function() { return ''; },
@@ -48,8 +50,8 @@ test('errors are camelCased and are expected under the `errors` property of the
   Ember.run(function() {
     user.save().then(null, function() {
       var errors = user.get('errors');
-      ok(errors.has('firstName'), "there are errors for the firstName attribute");
-      deepEqual(errors.errorsFor('firstName').getEach('message'), ['firstName error']);
+      assert.ok(errors.has('firstName'), "there are errors for the firstName attribute");
+      assert.deepEqual(errors.errorsFor('firstName').getEach('message'), ['firstName error']);
     });
   });
 });

packages/activemodel-adapter/tests/integration/active-model-adapter-test.js

@@ -1,3 +1,5 @@
+import {ActiveModelAdapter} from 'activemodel-adapter';
+
 var env, store, adapter, SuperUser;
 var passedUrl, passedVerb, passedHash;
 module("integration/active_model_adapter - AMS Adapter", {
@@ -6,7 +8,7 @@ module("integration/active_model_adapter - AMS Adapter", {
 
     env = setupStore({
       superUser: SuperUser,
-      adapter: DS.ActiveModelAdapter
+      adapter: ActiveModelAdapter
     });
 
     store = env.store;
@@ -16,11 +18,11 @@ module("integration/active_model_adapter - AMS Adapter", {
   }
 });
 
-test('buildURL - decamelizes names', function() {
-  equal(adapter.buildURL('superUser', 1), "/super_users/1");
+test('buildURL - decamelizes names', function(assert) {
+  assert.equal(adapter.buildURL('superUser', 1), "/super_users/1");
 });
 
-test('handleResponse - returns invalid error if 422 response', function() {
+test('handleResponse - returns invalid error if 422 response', function(assert) {
 
   var jqXHR = {
     status: 422,
@@ -31,17 +33,17 @@ test('handleResponse - returns invalid error if 422 response', function() {
 
   var error = adapter.handleResponse(jqXHR.status, {}, json).errors[0];
 
-  equal(error.detail, "can't be blank");
-  equal(error.source.pointer, "data/attributes/name");
+  assert.equal(error.detail, "can't be blank");
+  assert.equal(error.source.pointer, "data/attributes/name");
 });
 
-test('handleResponse - returns ajax response if not 422 response', function() {
+test('handleResponse - returns ajax response if not 422 response', function(assert) {
   var jqXHR = {
     status: 500,
     responseText: "Something went wrong"
   };
 
   var json = adapter.parseErrorResponse(jqXHR.responseText);
 
-  ok(adapter.handleResponse(jqXHR.status, {}, json) instanceof DS.AdapterError, 'must be a DS.AdapterError');
+  assert.ok(adapter.handleResponse(jqXHR.status, {}, json) instanceof DS.AdapterError, 'must be a DS.AdapterError');
 });

packages/activemodel-adapter/tests/integration/active-model-serializer-namespaced-model-name-new-test.js

@@ -1,3 +1,5 @@
+const {ActiveModelSerializer} = DS;
+
 var SuperVillain, EvilMinion, YellowMinion, DoomsdayDevice, MediocreVillain, TestSerializer, env;
 var run = Ember.run;
 
@@ -22,7 +24,7 @@ module("integration/active_model - AMS-namespaced-model-names (new API)", {
       name:         DS.attr('string'),
       evilMinions:  DS.hasMany('evilMinion', { polymorphic: true })
     });
-    TestSerializer = DS.ActiveModelSerializer.extend({
+    TestSerializer = ActiveModelSerializer.extend({
       isNewSerializerAPI: true
     });
     env = setupStore({
@@ -49,74 +51,78 @@ module("integration/active_model - AMS-namespaced-model-names (new API)", {
   }
 });
 
-test("extractPolymorphic hasMany", function() {
-  var json_hash = {
-    mediocre_villain: { id: 1, name: "Dr Horrible", evil_minion_ids: [{ type: "EvilMinions::YellowMinion", id: 12 }] },
-    "evil-minions/yellow-minion":    [{ id: 12, name: "Alex", doomsday_device_ids: [1] }]
-  };
-  var json;
+if (Ember.FEATURES.isEnabled('ds-new-serializer-api')) {
 
-  run(function() {
-    json = env.amsSerializer.normalizeResponse(env.store, MediocreVillain, json_hash, '1', 'findRecord');
-  });
+  test("extractPolymorphic hasMany", function(assert) {
+    var json_hash = {
+      mediocre_villain: { id: 1, name: "Dr Horrible", evil_minion_ids: [{ type: "EvilMinions::YellowMinion", id: 12 }] },
+      "evil-minions/yellow-minion":    [{ id: 12, name: "Alex", doomsday_device_ids: [1] }]
+    };
+    var json;
 
-  deepEqual(json, {
-    "data": {
-      "id": "1",
-      "type": "mediocre-villain",
-      "attributes": {
-        "name": "Dr Horrible"
-      },
-      "relationships": {
-        "evilMinions": {
-          "data": [
-            { "id": "12", "type": "evil-minions/yellow-minion" }
-          ]
+    run(function() {
+      json = env.amsSerializer.normalizeResponse(env.store, MediocreVillain, json_hash, '1', 'find');
+    });
+
+    assert.deepEqual(json, {
+      "data": {
+        "id": "1",
+        "type": "mediocre-villain",
+        "attributes": {
+          "name": "Dr Horrible"
+        },
+        "relationships": {
+          "evilMinions": {
+            "data": [
+              { "id": "12", "type": "evil-minions/yellow-minion" }
+            ]
+          }
         }
-      }
-    },
-    "included": [{
-      "id": "12",
-      "type": "evil-minions/yellow-minion",
-      "attributes": {
-        "name": "Alex"
       },
-      "relationships": {}
-    }]
+      "included": [{
+        "id": "12",
+        "type": "evil-minions/yellow-minion",
+        "attributes": {
+          "name": "Alex"
+        },
+        "relationships": {}
+      }]
+    });
   });
-});
 
-test("extractPolymorphic belongsTo", function() {
-  var json_hash = {
-    doomsday_device: { id: 1, name: "DeathRay", evil_minion_id: { type: "EvilMinions::YellowMinion", id: 12 } },
-    "evil-minions/yellow-minion":    [{ id: 12, name: "Alex", doomsday_device_ids: [1] }]
-  };
-  var json;
+  test("extractPolymorphic belongsTo", function(assert) {
+    var json_hash = {
+      doomsday_device: { id: 1, name: "DeathRay", evil_minion_id: { type: "EvilMinions::YellowMinion", id: 12 } },
+      "evil-minions/yellow-minion":    [{ id: 12, name: "Alex", doomsday_device_ids: [1] }]
+    };
+    var json;
 
-  run(function() {
-    json = env.amsSerializer.normalizeResponse(env.store, DoomsdayDevice, json_hash, '1', 'findRecord');
-  });
+    run(function() {
+      json = env.amsSerializer.normalizeResponse(env.store, DoomsdayDevice, json_hash, '1', 'find');
+    });
 
-  deepEqual(json, {
-    "data": {
-      "id": "1",
-      "type": "doomsday-device",
-      "attributes": {
-        "name": "DeathRay"
-      },
-      "relationships": {
-        "evilMinion": {
-          "data": { "id": "12", "type": "evil-minions/yellow-minion" }
+    assert.deepEqual(json, {
+      "data": {
+        "id": "1",
+        "type": "doomsday-device",
+        "attributes": {
+          "name": "DeathRay"
+        },
+        "relationships": {
+          "evilMinion": {
+            "data": { "id": "12", "type": "evil-minions/yellow-minion" }
+          }
         }
-      }
-    },
-    "included": [{
-      "id": "12",
-      "type": "evil-minions/yellow-minion",
-      "attributes": {
-        "name": "Alex"
       },
-      "relationships": {}
-    }]
+      "included": [{
+        "id": "12",
+        "type": "evil-minions/yellow-minion",
+        "attributes": {
+          "name": "Alex"
+        },
+        "relationships": {}
+      }]
+    });
   });
-});
+
+}