diff options
Diffstat (limited to 'src/Model.js')
| -rw-r--r-- | src/Model.js | 65 | 
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; +}; | 
