119 lines
2.3 KiB
Rust
119 lines
2.3 KiB
Rust
use crate::{Result, ScalarType, Value};
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use async_graphql_derive::Scalar;
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use bson::oid::{self, ObjectId};
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use std::convert::TryInto;
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use std::num::ParseIntError;
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use std::ops::{Deref, DerefMut};
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use uuid::Uuid;
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/// ID scalar
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///
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/// The input is a `&str`, `String`, `usize` or `uuid::UUID`, and the output is a string.
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#[derive(Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Debug)]
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pub struct ID(String);
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impl std::fmt::Display for ID {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "{}", self.0)
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}
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}
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impl Deref for ID {
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type Target = String;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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impl DerefMut for ID {
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fn deref_mut(&mut self) -> &mut Self::Target {
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&mut self.0
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}
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}
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impl From<String> for ID {
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fn from(value: String) -> Self {
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ID(value)
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}
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}
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impl Into<String> for ID {
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fn into(self) -> String {
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self.0
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}
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}
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impl<'a> From<&'a str> for ID {
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fn from(value: &'a str) -> Self {
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ID(value.to_string())
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}
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}
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impl From<usize> for ID {
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fn from(value: usize) -> Self {
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ID(value.to_string())
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}
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}
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impl TryInto<usize> for ID {
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type Error = ParseIntError;
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fn try_into(self) -> std::result::Result<usize, Self::Error> {
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self.0.parse()
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}
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}
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impl From<Uuid> for ID {
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fn from(uuid: Uuid) -> ID {
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ID(uuid.to_string())
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}
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}
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impl TryInto<Uuid> for ID {
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type Error = uuid::Error;
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fn try_into(self) -> std::result::Result<Uuid, Self::Error> {
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Uuid::parse_str(&self.0)
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}
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}
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impl From<ObjectId> for ID {
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fn from(object_id: ObjectId) -> ID {
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ID(object_id.to_hex())
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}
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}
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impl TryInto<ObjectId> for ID {
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type Error = oid::Error;
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fn try_into(self) -> std::result::Result<ObjectId, oid::Error> {
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ObjectId::with_string(&self.0)
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}
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}
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impl PartialEq<&str> for ID {
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fn eq(&self, other: &&str) -> bool {
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self.0.as_str() == *other
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}
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}
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#[Scalar(internal)]
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impl ScalarType for ID {
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fn type_name() -> &'static str {
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"ID"
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}
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fn parse(value: &Value) -> Option<Self> {
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match value {
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Value::Int(n) => Some(ID(n.to_string())),
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Value::String(s) => Some(ID(s.clone())),
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_ => None,
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}
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}
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fn to_json(&self) -> Result<serde_json::Value> {
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Ok(self.0.clone().into())
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}
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}
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