angular.js

1 files changed, 65 insertions, 0 deletions

diff --git a/src/Model.js b/src/Model.js
new file mode 100644
index 00000000..5e48251f
--- /dev/null
+++ b/src/Model.js
@@ -0,0 +1,65 @@
+// Copyright (C) 2009 BRAT Tech LLC
+
+// Single $ is special and does not get searched
+// Double $$ is special an is client only (does not get sent to server)
+
+nglr.Model = function(entity, initial) {
+  this.$$entity = entity;
+  this.$loadFrom(initial||{});
+  this.$entity = entity.title;
+  this.$migrate();
+};
+
+nglr.Model.copyDirectFields = function(src, dst) {
+  if (src === dst || !src || !dst) return;
+  var isDataField = function(src, dst, field) {
+    return (field.substring(0,2) !== '$$') &&
+        (typeof src[field] !== 'function') &&
+        (typeof dst[field] !== 'function');
+  };
+  for (var field in dst) {
+    if (isDataField(src, dst, field))
+      delete dst[field];
+  }
+  for (field in src) {
+    if (isDataField(src, dst, field))
+      dst[field] = src[field];
+  }
+};
+
+nglr.Model.prototype.$migrate = function() {
+  nglr.merge(this.$$entity.defaults, this);
+  return this;
+};
+
+nglr.Model.prototype.$merge = function(other) {
+  nglr.merge(other, this);
+  return this;
+};
+
+nglr.Model.prototype.$save = function(callback) {
+  this.$$entity.datastore.save(this, callback === true ? undefined : callback);
+  if (callback === true) this.$$entity.datastore.flush();
+  return this;
+};
+
+nglr.Model.prototype.$delete = function(callback) {
+  this.$$entity.datastore.remove(this, callback === true ? undefined : callback);
+  if (callback === true) this.$$entity.datastore.flush();
+  return this;
+};
+
+nglr.Model.prototype.$loadById = function(id, callback) {
+  this.$$entity.datastore.load(this, id, callback);
+  return this;
+};
+
+nglr.Model.prototype.$loadFrom = function(other) {
+  nglr.Model.copyDirectFields(other, this);
+  return this;
+};
+
+nglr.Model.prototype.$saveTo = function(other) {
+  nglr.Model.copyDirectFields(this, other);
+  return this;
+};