public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
if( reader.TokenType == JsonToken.Null )
{
return null;
}
if( reader.TokenType != JsonToken.StartObject )
{
var msg = string.Join(" ",
$"The JSON representation of binary data (byte[]) when parsing the server response is not a {Converter.PseudoTypeKey}:{Converter.Binary} object.",
$"This happens if your JSON document contains binary data (byte[]) in some other format (like a base64 string only) rather than a native RethinkDB pseudo type {Converter.PseudoTypeKey}:{Converter.Binary} object.",
$"If you are overriding the default Ser/Deserialization process, you need to make sure byte[] is a native {Converter.PseudoTypeKey}:{Converter.Binary} objects before using the built-in {nameof(ReqlBinaryConverter)}.",
"See https://rethinkdb.com/docs/data-types/ for more information about how binary data is represented in RethinkDB.");
throw new JsonSerializationException(msg);
}
reader.ReadAndAssertProperty(Converter.PseudoTypeKey);
var reql_type = reader.ReadAsString();
if( reql_type != Converter.Binary )
{
throw new JsonSerializationException($"Expected {Converter.PseudoTypeKey} should be {Converter.Binary} but got {reql_type}.");
}
reader.ReadAndAssertProperty("data");
var data = reader.ReadAsBytes();
//realign and get out of the pseudo type
//one more post read to align out of { reql_type:BINARY, data:""}
reader.ReadAndAssert();
return data;
}
//EXAMPLE:
// "r": [
// {
// "$reql_type$": "GROUPED_DATA",
// "data": [
// [
// "Alice",
// [
// { "id": 5, "player": "Alice", "points": 7, "type": "free"},
// { "id": 12, "player": "Alice", "points": 2, "type": "free" }
// ]
// ],
// [
// "Bob",
// [
// { "id": 2, "player": "Bob", "points": 15, "type": "ranked" },
// { "id": 11, "player": "Bob", "points": 10, "type": "free" }
// ]
// ]
// ]
// }
// ]
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
reader.ReadAndAssertProperty(Converter.PseudoTypeKey);
var reql_type = reader.ReadAsString();
if( reql_type != Converter.GroupedData )
{
throw new JsonSerializationException($"Expected {Converter.PseudoTypeKey} should be {Converter.GroupedData} but got {reql_type}.");
}
reader.ReadAndAssertProperty("data");
//move reader to property value
reader.ReadAndAssert();
//... probably find a better way to do this.
var listType = typeof(List<>).MakeGenericType(objectType);
var list = (IList)Activator.CreateInstance(listType);
var data = serializer.Deserialize<List<JArray>>(reader);
foreach( var group in data )
{
var key = group[0]; //key, group value in common
var items = group[1]; //the grouped items
var grouping = Activator.CreateInstance(objectType, key, items);
list.Add(grouping);
}
//.Select(arr => Activator.CreateInstance(objectType, arr) ).ToList();
return list;
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
if( reader.TokenType != JsonToken.StartObject )
{
var msg = string.Join(" ",
$"The JSON representation of a DateTime/DateTimeOffset when parsing the server response is not a {Converter.PseudoTypeKey}:{Converter.Time} object.",
$"This happens if your JSON document contains DateTime/DateTimeOffsets in some other format (like an ISO8601 string) rather than a native RethinkDB pseudo type {Converter.PseudoTypeKey}:{Converter.Time} object.",
$"If you are overriding the default Ser/Deserialization process, you need to make sure DateTime/DateTimeOffset are native {Converter.PseudoTypeKey}:{Converter.Time} objects before using the built-in {nameof(ReqlDateTimeConverter)}.",
"See https://rethinkdb.com/docs/data-types/ for more information about how Date and Times are represented in RethinkDB.");
throw new JsonSerializationException(msg);
}
reader.ReadAndAssertProperty(Converter.PseudoTypeKey);
var reql_type = reader.ReadAsString();
if( reql_type != Converter.Time )
{
throw new JsonSerializationException($"Expected {Converter.PseudoTypeKey} should be {Converter.Time} but got {reql_type}.");
}
reader.ReadAndAssertProperty("epoch_time");
var epoch_time = reader.ReadAsDecimal();
if( epoch_time == null )
{
throw new JsonSerializationException($"The {Converter.PseudoTypeKey}:{Converter.Time} object doesn't have an epoch_time value.");
}
reader.ReadAndAssertProperty("timezone");
var timezone = reader.ReadAsString();
//realign and get out of the pseudo type
//one more post read to align out of { reql_type:TIME, .... }
reader.ReadAndAssert();
var tz = TimeSpan.Parse(timezone.Substring(1));
if( !timezone.StartsWith("+") )
tz = -tz;
var epoch = new DateTimeOffset(1970, 1, 1, 0, 0, 0, TimeSpan.Zero);
var dt = epoch + TimeSpan.FromSeconds(Convert.ToDouble(epoch_time.Value));
var dto = dt.ToOffset(tz);
if( objectType == typeof(DateTimeOffset) )
return dto;
var tzHandle = serializer.DateTimeZoneHandling;
switch( tzHandle )
{
case DateTimeZoneHandling.Local:
return dto.LocalDateTime;
case DateTimeZoneHandling.Utc:
return dto.UtcDateTime;
case DateTimeZoneHandling.Unspecified:
return dto.DateTime;
case DateTimeZoneHandling.RoundtripKind:
return dto.Offset == TimeSpan.Zero ? dto.UtcDateTime : dto.LocalDateTime;
default:
throw new JsonSerializationException("Invalid date time handling value.");
}
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
if( reader.TokenType == JsonToken.Null )
{
return null;
}
if( reader.TokenType != JsonToken.StartObject )
{
var msg = string.Join(" ",
$"The JSON representation of a DateTime/DateTimeOffset when parsing the server response is not a {Converter.PseudoTypeKey}:{Converter.Time} object.",
$"This happens if your JSON document contains DateTime/DateTimeOffsets in some other format (like an ISO8601 string) rather than a native RethinkDB pseudo type {Converter.PseudoTypeKey}:{Converter.Time} object.",
$"If you are overriding the default Ser/Deserialization process, you need to make sure DateTime/DateTimeOffset are native {Converter.PseudoTypeKey}:{Converter.Time} objects before using the built-in {nameof(ReqlDateTimeConverter)}.",
"See https://rethinkdb.com/docs/data-types/ for more information about how Date and Times are represented in RethinkDB.");
throw new JsonSerializationException(msg);
}
reader.ReadAndAssertProperty(Converter.PseudoTypeKey);
var reql_type = reader.ReadAsString();
if( reql_type != Converter.Time )
{
throw new JsonSerializationException($"Expected {Converter.PseudoTypeKey} should be {Converter.Time} but got {reql_type}.");
}
reader.ReadAndAssertProperty("epoch_time");
var epoch_time = reader.ReadAsDouble();
if( epoch_time == null )
{
throw new JsonSerializationException($"The {Converter.PseudoTypeKey}:{Converter.Time} object doesn't have an epoch_time value.");
}
reader.ReadAndAssertProperty("timezone");
var timezone = reader.ReadAsString();
//realign and get out of the pseudo type
//one more post read to align out of { reql_type:TIME, .... }
reader.ReadAndAssert();
if( objectType == typeof(DateTimeOffset) ||
objectType == typeof(DateTimeOffset?) )
{
return ConvertDateTimeOffset(epoch_time.Value, timezone);
}
else
{
return ConvertDateTime(epoch_time.Value, timezone, serializer.DateTimeZoneHandling);
}
}