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