initial github commit

addon/validators/conditional-presence.coffee

@@ -0,0 +1,34 @@
+import Ember from 'ember'
+import buildMessage from 'ember-changeset-validations/utils/validation-errors'
+
+_isPresent = (value) ->
+  if (value instanceof Ember.ObjectProxy || value instanceof Ember.ArrayProxy)
+    return Ember._isPresent(Ember.get(value, 'content'))
+  Ember.isPresent(value)
+
+_testPresence = (key, value, presence, context = {}) ->
+  if presence
+    return Ember._isPresent(value) || buildMessage(key, 'present', value, context)
+  else
+    return Ember.isBlank(value) || buildMessage(key, 'blank', value, context)
+
+export default (opts)->
+  (key, value, oldValue, changes, content) =>
+    if typeof opts is "function"
+      presence = true
+      condition = opts
+    else
+      presence = if "presence" in opts then opts.presence else true
+      condition = opts.condition
+
+    # since contentn is the model we have to emulate the changes for now
+    condition_object = Ember.assign(content.toJSON(), changes)
+    if condition.call(condition_object) # perform validation when condition returns true
+      if presence
+        _isPresent(value) || buildMessage(key, 'present', value, opts)
+      else
+        isBlank(value) || buildMessage(key, 'blank', value, opts)
+    else
+      true
+    #return _testPresence(key, value, opts)
+