Peter/axum-async-graphql
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

refactor Ulid und Dataloader

Browse Source
This commit is contained in:
Peter
2026-06-06 11:59:20 +02:00
parent 581c8bee88
commit b5182b7f19
54 changed files with 364 additions and 301 deletions
Download Patch File Download Diff File Expand all files Collapse all files

68
src/scalar.rs
View File

@@ -1,67 +1,26 @@
use async_graphql::*;
/// It is easier to track each type alias if this file is located on the top-level directory (here)
/// than in each domain. Also, separating them will create a lot of duplicate code.
use uuid::Uuid;
use sqlx::{
postgres::{PgArgumentBuffer, PgHasArrayType, PgTypeInfo, PgValueRef},
Decode, Encode, Postgres, Type,
};
use ulid::Ulid as UlidPrimitive;
pub type Time = chrono::DateTime<chrono::Utc>;
/// The ID scalar type represents a unique identifier, often used to refetch an object or as key for a cache.
/// The ID type appears in a JSON response as a String; however, it is not intended to be human-readable.
/// When expected as an input type, any string (such as "4") or integer (such as 4) input value will be accepted as an ID.
pub type Id = Uuid;
pub type Id = uuid::Uuid;
// pub type Ulid = String;
// pub type Ulid = ulid::Ulid;
// #[derive(Clone, Copy, Eq, PartialEq)]
// pub struct Ulid(pub ulid::Ulid);
//
// /// The ULID scalar type represents a Universally Unique Lexicographically Sortable Identifier as defined by the ULID specification.
// /// ULIDs are 26-character strings that are URL-safe, case-insensitive, and lexicographically sortable,
// /// making them ideal for distributed systems requiring time-ordered unique identifiers.
// #[Scalar]
// impl ScalarType for Ulid {
// fn parse(value: Value) -> InputValueResult<Self> {
// match value {
// Value::String(s) => {
// let ulid = ulid::Ulid::from_string(&s).map_err(InputValueError::custom)?;
// Ok(Ulid(ulid))
// }
// _ => Err(InputValueError::expected_type(value)),
// }
// }
//
// fn to_value(&self) -> Value {
// Value::String(self.0.to_string())
// }
// }
//
// impl fmt::Display for Ulid {
// fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
// write!(f, "{}", self.0) // delegiert an Ulid::to_string()
// }
// }
//
//
//
use sqlx::{
postgres::{PgArgumentBuffer, PgHasArrayType, PgTypeInfo, PgValueRef},
Decode, Encode, Postgres, Type,
};
// #[derive(sqlx::Type)]
// #[sqlx(type_name = "ULID")]
// #[sqlx(no_pg_array)]
#[derive(Clone, Copy, PartialEq, Eq)]
pub struct Ulid(pub ulid::Ulid);
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
pub struct Ulid(pub UlidPrimitive);
#[Scalar]
impl ScalarType for Ulid {
fn parse(value: Value) -> InputValueResult<Self> {
match value {
Value::String(s) => {
let ulid = ulid::Ulid::from_string(&s).map_err(InputValueError::custom)?;
let ulid = UlidPrimitive::from_string(&s).map_err(InputValueError::custom)?;
Ok(Ulid(ulid))
}
_ => Err(InputValueError::expected_type(value)),
@@ -75,17 +34,19 @@ impl ScalarType for Ulid {
impl Type<Postgres> for Ulid {
fn type_info() -> PgTypeInfo {
PgTypeInfo::with_name("ULID")
<String as Type<Postgres>>::type_info()
}
fn compatible(ty: &PgTypeInfo) -> bool {
<String as Type<Postgres>>::compatible(ty)
}
}
impl<'r> Decode<'r, Postgres> for Ulid {
fn decode(value: PgValueRef<'r>) -> Result<Self, Box<dyn std::error::Error + Send + Sync>> {
let s = <String as Decode<Postgres>>::decode(value)?;
Ok(Ulid(ulid::Ulid::from_string(s.trim())?))
Ok(Ulid(UlidPrimitive::from_string(s.trim())?))
}
}
@@ -97,8 +58,9 @@ impl<'q> Encode<'q, Postgres> for Ulid {
<String as Encode<Postgres>>::encode(self.0.to_string(), buf)
}
}
impl PgHasArrayType for Ulid {
fn array_type_info() -> PgTypeInfo {
PgTypeInfo::with_name("_ULID")
<String as PgHasArrayType>::array_type_info()
}
}