{beta} Beta unload and create

CHANGELOG.md

@@ -2,6 +2,27 @@
 
 ### Master
 
+### Release 2.15.0-beta.3 (July 27, 2017)
+
+- [#5033](https://github.com/emberjs/data/pull/5033) loosen header parsing slightly
+- [#4965](https://github.com/emberjs/data/pull/4965) [BUGFIX beta]  Skip test which doesn't play nicely with the latest em…
+- [84041a5f](https://github.com/emberjs/data/commit/84041a5f73b5b2a8f6d6d6475f7aa71d5b83b939) Update RELEASE.md
+- [#4959](https://github.com/emberjs/data/pull/4959) [BUGFIX] remove forgotten broccoli-stew import
+- [#4947](https://github.com/emberjs/data/pull/4947) remove needless change events when creating a recordArrays
+- [#5071](https://github.com/emberjs/data/pull/5071) [BACKPORT] Update doc for deprecated function.
+- [#5002](https://github.com/emberjs/data/pull/5002) [BUGFIX BETA] Added `system/store/container-instance-cache` to the -private export
+- [#4992](https://github.com/emberjs/data/pull/4992) Use https in references to emberjs website (#4992)
+- [#4969](https://github.com/emberjs/data/pull/4969) [BUGFIX beta] Ensure Engines can boot without error.
+- [#4971](https://github.com/emberjs/data/pull/4971) Fix typo in function call
+- [#5008](https://github.com/emberjs/data/pull/5008) [BUGFIX BETA]: Fixed export regression. `ember-data/transform` to be default.
+- [#5022](https://github.com/emberjs/data/pull/5022) Ensure `ember-data/-private` module is emitted properly for ember-cli < 2.12. (#5022)
+- [#5031](https://github.com/emberjs/data/pull/5031) Ensure `ember-data/-private` module is emitted properly for ember-cli < 2.12. (#5031)
+- [#5068](https://github.com/emberjs/data/pull/5068) [BUGFIX release] Preserve local relationship changes after persisting a delet…
+- [#5079](https://github.com/emberjs/data/pull/5079) [BACKPORT 2 release] Release fix unload after destroy
+- [#5086](https://github.com/emberjs/data/pull/5086) {release} [BUGFIX release] handle dupe relationship entries
+- [#5091](https://github.com/emberjs/data/pull/5091) {release} Bump `amd-name-resolver` version to enable parallel babel transpile
+- [#5092](https://github.com/emberjs/data/pull/5092) [BUGFIX release] relationship [x, y] should not break on x.unloadRecord()
+
 ### Release 2.15.0-beta.2 (July 11, 2017)
 - [#5032](https://github.com/emberjs/data/pull/5032) loosen header parsing slightly
 - [#5048](https://github.com/emberjs/data/pull/5048) [BUGFIX release] createRecord should only setup relationships it has … (#5048)

addon/-private/system/model/internal-model.js

@@ -494,6 +494,10 @@ export default class InternalModel {
     }
   }
 
+  hasScheduledDestroy() {
+    return !!this._scheduledDestroy;
+  }
+
   cancelDestroy() {
     assert(`You cannot cancel the destruction of an InternalModel once it has already been destroyed`, !this.isDestroyed);
 
@@ -502,6 +506,24 @@ export default class InternalModel {
     this._scheduledDestroy = null;
   }
 
+  // typically, we prefer to async destroy this lets us batch cleanup work.
+  // Unfortunately, some scenarios where that is not possible. Such as:
+  //
+  // ```js
+  // const record = store.find(‘record’, 1);
+  // record.unloadRecord();
+  // store.createRecord(‘record’, 1);
+  // ```
+  //
+  // In those scenarios, we make that model's cleanup work, sync.
+  //
+  destroySync() {
+    if (this._isDematerializing) {
+      this.cancelDestroy();
+    }
+    this._checkForOrphanedInternalModels();
+  }
+
   _checkForOrphanedInternalModels() {
     this._isDematerializing = false;
     this._scheduledDestroy = null;

addon/-private/system/store.js

@@ -2557,15 +2557,23 @@ Store = Service.extend({
 
     assert(`You can no longer pass a modelClass as the first argument to store._buildInternalModel. Pass modelName instead.`, typeof modelName === 'string');
 
-    let recordMap = this._internalModelsFor(modelName);
+    let internalModels = this._internalModelsFor(modelName);
+    let existingInternalModel = internalModels.get(id);
 
-    assert(`The id ${id} has already been used with another record for modelClass '${modelName}'.`, !id || !recordMap.get(id));
+    if (existingInternalModel && existingInternalModel.hasScheduledDestroy()) {
+      // unloadRecord is async, if one attempts to unload + then sync create,
+      // we must ensure the unload is complete before starting the create
+      existingInternalModel.destroySync();
+      existingInternalModel = null;
+    }
+
+    assert(`The id ${id} has already been used with another record for modelClass '${modelName}'.`, !existingInternalModel);
 
     // lookupFactory should really return an object that creates
     // instances with the injections applied
     let internalModel = new InternalModel(modelName, id, this, data);
 
-    recordMap.add(internalModel, id);
+    internalModels.add(internalModel, id);
 
     return internalModel;
   },

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ember-data",
-  "version": "2.15.0-beta.2",
+  "version": "2.15.0-beta.3",
   "description": "A data layer for your Ember applications.",
   "repository": "git://github.com/emberjs/data.git",
   "directories": {

tests/unit/store/unload-test.js

@@ -100,6 +100,18 @@ test('unload a record', function(assert) {
   });
 });
 
+test('unload followed by create of the same type + id', function(assert) {
+  let record = run(() => store.createRecord('record', { id: 1 }));
+
+  assert.ok(store.recordForId('record', 1) === record, 'record should exactly equal');
+
+  return run(() => {
+    record.unloadRecord();
+    let createdRecord = store.createRecord('record', { id: 1 });
+    assert.ok(record !== createdRecord, 'newly created record is fresh (and was created)');
+  });
+});
+
 module("DS.Store - unload record with relationships");
 
 test('can commit store after unload record with relationships', function(assert) {