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// Copyright (C) 2009 BRAT Tech LLC
// Single $ is special and does not get searched
// Double $$ is special an is client only (does not get sent to server)
Model = function(entity, initial) {
this.$$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) !== '$$') &&
(typeof src[field] !== 'function') &&
(typeof dst[field] !== 'function');
};
for (var field in dst) {
if (isDataField(src, dst, field))
delete dst[field];
}
for (field in src) {
if (isDataField(src, dst, field))
dst[field] = src[field];
}
};
Model.prototype.$migrate = function() {
merge(this.$$entity.defaults, this);
return this;
};
Model.prototype.$merge = function(other) {
merge(other, this);
return this;
};
Model.prototype.$save = function(callback) {
this.$$entity.datastore.save(this, callback === true ? undefined : callback);
if (callback === true) this.$$entity.datastore.flush();
return this;
};
Model.prototype.$delete = function(callback) {
this.$$entity.datastore.remove(this, callback === true ? undefined : callback);
if (callback === true) this.$$entity.datastore.flush();
return this;
};
Model.prototype.$loadById = function(id, callback) {
this.$$entity.datastore.load(this, id, callback);
return this;
};
Model.prototype.$loadFrom = function(other) {
Model.copyDirectFields(other, this);
return this;
};
Model.prototype.$saveTo = function(other) {
Model.copyDirectFields(this, other);
return this;
};
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