public static T Map <T>(DocumentSnapshot source, ServerTimestampBehavior?serverTimestampBehavior = null)
{
if (source != null && source.Exists())
{
IDictionary <string, Java.Lang.Object> data;
if (serverTimestampBehavior == null)
{
data = source.Data;
}
else
{
data = source.GetData(serverTimestampBehavior.Value.ToNative());
}
var properties = typeof(T).GetProperties();
var idProperties = properties.Where(p => Attribute.GetCustomAttribute(p, typeof(IdAttribute)) != null);
var mappedProperties = properties.Select(p => (Property: p, Attribute: Attribute.GetCustomAttribute(p, typeof(MapToAttribute)) as MapToAttribute))
.Where(t => t.Attribute != null)
.ToDictionary(t => t.Attribute.Mapping, t => t.Property);
var igonoredProperties = properties.Where(p => Attribute.GetCustomAttribute(p, typeof(IgnoredAttribute)) != null);
var instance = Activator.CreateInstance <T>();
foreach (var(key, value) in data)
{
try
{
PropertyInfo property;
if (mappedProperties.ContainsKey(key))
{
property = mappedProperties[key];
}
else
{
property = typeof(T).GetProperty(key);
}
if (property != null && !igonoredProperties.Contains(property))
{
property.SetValue(instance, value.ToFieldValue(property.PropertyType));
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine($"{key} is invalid: {e.Message}");
throw;
}
}
foreach (var idProperty in idProperties)
{
idProperty.SetValue(instance, source.Id);
}
return(instance);
}
return(default);
public static IDictionary <string, object> Map(DocumentSnapshot source, ServerTimestampBehavior?serverTimestampBehavior = null)
{
if (source != null && source.Exists())
{
IDictionary <string, Java.Lang.Object> data;
if (serverTimestampBehavior == null)
{
data = source.Data;
}
else
{
data = source.GetData(serverTimestampBehavior.Value.ToNative());
}
return(data.ToDictionary(pair => pair.Key, pair => pair.Value.ToFieldValue(typeof(object))));
}
return(null);
}