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Refactoring to use promises notifications

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This commit is contained in:
Andrew Henry
2015-11-03 21:06:00 -08:00
parent bd1c3cb7da
commit fa7131ad5c
2 changed files with 65 additions and 22 deletions
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21
platform/entanglement/src/services/CopyService.js
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@@ -68,7 +68,7 @@ define(
* object being copied. The clones are all full composed with
* references to their own children.
*/
CopyService.prototype.buildCopyPlan = function(domainObject, parent) {
CopyService.prototype.buildCopyPlan = function(domainObject, parent, progress) {
var clones = [],
$q = this.$q,
self = this;
@@ -99,6 +99,8 @@ define(
delete modelClone.model.persisted;
delete modelClone.model.modified;
return $q.when(originalObject.useCapability('composition')).then(function(composees){
progress({phase: "preparing"});
return (composees || []).reduce(function(promise, composee){
//If the object is composed of other
// objects, chain a promise..
@@ -120,6 +122,7 @@ define(
});
});
};
return copy(domainObject, parent).then(function(){
return clones;
});
@@ -142,7 +145,7 @@ define(
clone.model.persisted = self.now();
return self.persistenceService.createObject(clone.persistenceSpace, clone.id, clone.model)
.then(function(){
progress && progress("copying", objectClones.length, ++persisted);
progress && progress({phase: "copying", totalObjects: objectClones.length, processed: ++persisted});
});
})).then(function(){
return objectClones
@@ -184,13 +187,15 @@ define(
* @returns a promise that will be completed with the clone of
* domainObject when the duplication is successful.
*/
CopyService.prototype.perform = function (domainObject, parent, progress) {
var $q = this.$q;
CopyService.prototype.perform = function (domainObject, parent) {
var $q = this.$q,
deferred = $q.defer();
if (this.validate(domainObject, parent)) {
progress && progress("preparing");
return this.buildCopyPlan(domainObject, parent)
.then(this.persistObjects(progress))
.then(this.addClonesToParent(parent, progress));
this.buildCopyPlan(domainObject, parent, deferred.notify)
.then(this.persistObjects(deferred.notify))
.then(this.addClonesToParent(parent, deferred.notify))
.then(deferred.resolve);
return deferred.promise;
} else {
throw new Error(
"Tried to copy objects without validating first."