From 85f13d602e31424b2e2d18172872f14a24c31135 Mon Sep 17 00:00:00 2001
From: Misko Hevery
Date: Thu, 1 Apr 2010 14:10:28 -0700
Subject: work on $location and autobind

---
 src/delete/Model.js | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 src/delete/Model.js

(limited to 'src/delete/Model.js')

diff --git a/src/delete/Model.js b/src/delete/Model.js
new file mode 100644
index 00000000..b09efd0e
--- /dev/null
+++ b/src/delete/Model.js
@@ -0,0 +1,65 @@
+// Single $ is special and does not get searched
+// Double $$ is special an is client only (does not get sent to server)
+
+function Model(entity, initial) {
+  this['$$entity'] = entity;
+  this['$loadFrom'](initial||{});
+  this['$entity'] = entity['title'];
+  this['$migrate']();
+};
+
+Model.copyDirectFields = function(src, dst) {
+  if (src === dst || !src || !dst) return;
+  var isDataField = function(src, dst, field) {
+    return (field.substring(0,2) !== '$$') &&
+        (typeof src[field] !== 'function') &&
+        (typeof dst[field] !== 'function');
+  };
+  for (var field in dst) {
+    if (isDataField(src, dst, field))
+      delete dst[field];
+  }
+  for (field in src) {
+    if (isDataField(src, dst, field))
+      dst[field] = src[field];
+  }
+};
+
+extend(Model.prototype, {
+  '$migrate': function() {
+    merge(this['$$entity']['defaults'], this);
+    return this;
+  },
+  
+  '$merge': function(other) {
+    merge(other, this);
+    return this;
+  },
+  
+  '$save': function(callback) {
+    this['$$entity'].datastore.save(this, callback === true ? undefined : callback);
+    if (callback === true) this['$$entity'].datastore.flush();
+    return this;
+  },
+  
+  '$delete': function(callback) {
+    this['$$entity'].datastore.remove(this, callback === true ? undefined : callback);
+    if (callback === true) this['$$entity'].datastore.flush();
+    return this;
+  },
+  
+  '$loadById': function(id, callback) {
+    this['$$entity'].datastore.load(this, id, callback);
+    return this;
+  },
+  
+  '$loadFrom': function(other) {
+    Model.copyDirectFields(other, this);
+    return this;
+  },
+  
+  '$saveTo': function(other) {
+    Model.copyDirectFields(this, other);
+    return this;
+  }
+});
\ No newline at end of file
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