30 lines
981 B
Rust
30 lines
981 B
Rust
|
use uuid08::Uuid;
|
||
|
|
||
|
use crate::{InputValueError, InputValueResult, Scalar, ScalarType, Value};
|
||
|
|
||
|
#[Scalar(
|
||
|
internal,
|
||
|
name = "UUID",
|
||
|
specified_by_url = "http://tools.ietf.org/html/rfc4122"
|
||
|
)]
|
||
|
/// A UUID is a unique 128-bit number, stored as 16 octets. UUIDs are parsed as
|
||
|
/// Strings within GraphQL. UUIDs are used to assign unique identifiers to
|
||
|
/// entities without requiring a central allocating authority.
|
||
|
///
|
||
|
/// # References
|
||
|
///
|
||
|
/// * [Wikipedia: Universally Unique Identifier](http://en.wikipedia.org/wiki/Universally_unique_identifier)
|
||
|
/// * [RFC4122: A Universally Unique IDentifier (UUID) URN Namespace](http://tools.ietf.org/html/rfc4122)
|
||
|
impl ScalarType for Uuid {
|
||
|
fn parse(value: Value) -> InputValueResult<Self> {
|
||
|
match value {
|
||
|
Value::String(s) => Ok(Uuid::parse_str(&s)?),
|
||
|
_ => Err(InputValueError::expected_type(value)),
|
||
|
}
|
||
|
}
|
||
|
|
||
|
fn to_value(&self) -> Value {
|
||
|
Value::String(self.to_string())
|
||
|
}
|
||
|
}
|