/// <summary>
/// Convert a user-supplied object to a JObject that can be sent to the Keen.IO API.
///
/// This writes any global properies to the object and records the time.
/// </summary>
/// <param name="eventInfo"></param>
/// <param name="addOns">Optional collection of Data Enhancement Add-ons</param>
/// <returns></returns>
private JObject PrepareUserObject(object eventInfo, IEnumerable <AddOn> addOns)
{
var jEvent = JObject.FromObject(eventInfo);
// Add global properties to the event
foreach (var p in _globalProperties)
{
// If the property value is an IDynamicPropertyValue,
// exec the Value() to generate the property value.
var dynProp = p.Value as IDynamicPropertyValue;
if (dynProp == null)
{
KeenUtil.ValidatePropertyName(p.Key);
jEvent.Add(p.Key, JToken.FromObject(p.Value));
}
else
{
var val = dynProp.Value();
if (null == val)
{
throw new KeenException(string.Format("Dynamic property \"{0}\" returned a null value", p.Key));
}
jEvent.Add(p.Key, JToken.FromObject(val));
}
}
// Ensure this event has a 'keen' object of the correct type
if (null == jEvent.Property("keen"))
{
jEvent.Add("keen", new JObject());
}
else if (jEvent.Property("keen").Value.GetType() != typeof(JObject))
{
throw new KeenException(string.Format("Value of property \"keen\" must be an object, is {0}", jEvent.Property("keen").GetType()));
}
var keen = ((JObject)jEvent.Property("keen").Value);
if (addOns.Any())
{
keen.Add("addons", JArray.FromObject(addOns));
}
// Set the keen.timestamp if it has not already been set
if (null == keen.Property("timestamp"))
{
keen.Add("timestamp", DateTime.Now);
}
return(jEvent);
}
/// <summary>
/// Add a static global property. This property will be added to
/// every event.
/// </summary>
/// <param name="property">Property name</param>
/// <param name="value">Property value. This may be a simple value, array, or object,
/// or an object that supports IDynamicPropertyValue returning one of those.</param>
public void AddGlobalProperty(string property, object value)
{
// Verify that the property name is allowable, and that the value is populated.
KeenUtil.ValidatePropertyName(property);
if (value == null)
{
throw new KeenException("Global properties must have a non-null value.");
}
var dynProp = value as IDynamicPropertyValue;
if (dynProp != null)
{
// Execute the property once before it is needed to check the value
ExecDynamicPropertyValue(property, dynProp);
}
_globalProperties.Add(property, value);
}