upub/apb/src/macros.rs

328 lines
7.8 KiB
Rust

#[cfg(feature = "send")]
pub trait MaybeSend : Send {}
#[cfg(feature = "send")]
impl<T : Send> MaybeSend for T {}
#[cfg(not(feature = "send"))]
pub trait MaybeSend {}
#[cfg(not(feature = "send"))]
impl<T> MaybeSend for T {}
#[derive(Debug, thiserror::Error)]
#[error("invalid type value")]
pub struct TypeValueError;
#[cfg(feature = "orm")]
impl From<TypeValueError> for sea_orm::sea_query::ValueTypeErr {
fn from(_: TypeValueError) -> Self {
sea_orm::sea_query::ValueTypeErr
}
}
#[cfg(feature = "orm")]
impl From<TypeValueError> for sea_orm::TryGetError {
fn from(_: TypeValueError) -> Self {
sea_orm::TryGetError::Null("value is not a valid type".into())
}
}
macro_rules! strenum {
( $(pub enum $enum_name:ident { $($flat:ident),* ; $($deep:ident($inner:ident)),* };)+ ) => {
$(
#[derive(PartialEq, Eq, Debug, Clone, Copy)]
pub enum $enum_name {
$($flat,)*
$($deep($inner),)*
}
impl std::fmt::Display for $enum_name {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, "{}", self.as_ref())
}
}
impl AsRef<str> for $enum_name {
fn as_ref(&self) -> &str {
match self {
$(Self::$flat => stringify!($flat),)*
$(Self::$deep(x) => x.as_ref(),)*
}
}
}
impl TryFrom<&str> for $enum_name {
type Error = $crate::macros::TypeValueError;
fn try_from(value:&str) -> Result<Self, Self::Error> {
match value {
$(stringify!($flat) => Ok(Self::$flat),)*
_ => {
$(
if let Ok(x) = $inner::try_from(value) {
return Ok(Self::$deep(x));
}
)*
Err($crate::macros::TypeValueError)
},
}
}
}
#[cfg(feature = "orm")]
impl From<$enum_name> for sea_orm::Value {
fn from(value: $enum_name) -> sea_orm::Value {
sea_orm::Value::String(Some(Box::new(value.as_ref().to_string())))
}
}
#[cfg(feature = "orm")]
impl sea_orm::sea_query::ValueType for $enum_name {
fn try_from(v: sea_orm::Value) -> Result<Self, sea_orm::sea_query::ValueTypeErr> {
match v {
sea_orm::Value::String(Some(x)) =>
Ok(<Self as TryFrom<&str>>::try_from(x.as_str())?),
_ => Err(sea_orm::sea_query::ValueTypeErr),
}
}
fn type_name() -> String {
stringify!($enum_name).to_string()
}
fn array_type() -> sea_orm::sea_query::ArrayType {
sea_orm::sea_query::ArrayType::String
}
fn column_type() -> sea_orm::sea_query::ColumnType {
sea_orm::sea_query::ColumnType::String(Some(24))
}
}
#[cfg(feature = "orm")]
impl sea_orm::TryGetable for $enum_name {
fn try_get_by<I: sea_orm::ColIdx>(res: &sea_orm::prelude::QueryResult, index: I) -> Result<Self, sea_orm::TryGetError> {
let x : String = res.try_get_by(index)?;
Ok(Self::try_from(x.as_str())?)
}
}
)*
};
}
pub(crate) use strenum;
#[cfg(feature = "unstructured")]
macro_rules! getter {
($name:ident -> type $t:ty) => {
paste::paste! {
fn [< $name:snake >] (&self) -> $crate::Field<$t> {
self.get("type")
.and_then(|x| x.as_str())
.and_then(|x| x.try_into().ok())
.ok_or($crate::FieldErr("type"))
}
}
};
($name:ident -> bool) => {
paste::paste! {
fn [< $name:snake >](&self) -> $crate::Field<bool> {
self.get(stringify!($name))
.and_then(|x| x.as_bool())
.ok_or($crate::FieldErr(stringify!($name)))
}
}
};
($name:ident -> &str) => {
paste::paste! {
fn [< $name:snake >](&self) -> $crate::Field<&str> {
self.get(stringify!($name))
.and_then(|x| x.as_str())
.ok_or($crate::FieldErr(stringify!($name)))
}
}
};
($name:ident -> f64) => {
paste::paste! {
fn [< $name:snake >](&self) -> $crate::Field<f64> {
self.get(stringify!($name))
.and_then(|x| x.as_f64())
.ok_or($crate::FieldErr(stringify!($name)))
}
}
};
($name:ident -> u64) => {
paste::paste! {
fn [< $name:snake >](&self) -> $crate::Field<u64> {
self.get(stringify!($name))
.and_then(|x| x.as_u64())
.ok_or($crate::FieldErr(stringify!($name)))
}
}
};
($name:ident -> i64) => {
paste::paste! {
fn [< $name:snake >](&self) -> $crate::Field<i64> {
self.get(stringify!($name))
.and_then(|x| x.as_i64())
.ok_or($crate::FieldErr(stringify!($name)))
}
}
};
($name:ident -> chrono::DateTime<chrono::Utc>) => {
paste::paste! {
fn [< $name:snake >](&self) -> $crate::Field<chrono::DateTime<chrono::Utc>> {
Ok(
chrono::DateTime::parse_from_rfc3339(
self
.get(stringify!($name))
.and_then(|x| x.as_str())
.ok_or($crate::FieldErr(stringify!($name)))?
)
.map_err(|e| {
tracing::warn!("invalid time string ({e}), ignoring");
$crate::FieldErr(stringify!($name))
})?
.with_timezone(&chrono::Utc)
)
}
}
};
($name:ident -> node $t:ty) => {
paste::paste! {
fn [< $name:snake >](&self) -> $crate::Node<$t> {
match self.get(stringify!($name)) {
Some(x) => $crate::Node::from(x.clone()),
None => $crate::Node::Empty,
}
}
}
};
}
#[cfg(feature = "unstructured")]
pub(crate) use getter;
#[cfg(feature = "unstructured")]
macro_rules! setter {
($name:ident -> bool) => {
paste::item! {
fn [< set_$name:snake >](mut self, val: Option<bool>) -> Self {
$crate::macros::set_maybe_value(
&mut self, stringify!($name), val.map(|x| serde_json::Value::Bool(x))
);
self
}
}
};
($name:ident -> &str) => {
paste::item! {
fn [< set_$name:snake >](mut self, val: Option<&str>) -> Self {
$crate::macros::set_maybe_value(
&mut self, stringify!($name), val.map(|x| serde_json::Value::String(x.to_string()))
);
self
}
}
};
($name:ident -> u64) => {
paste::item! {
fn [< set_$name:snake >](mut self, val: Option<u64>) -> Self {
$crate::macros::set_maybe_value(
&mut self, stringify!($name), val.map(|x| serde_json::Value::Number(serde_json::Number::from(x)))
);
self
}
}
};
($name:ident -> i64) => {
paste::item! {
fn [< set_$name:snake >](mut self, val: Option<i64>) -> Self {
$crate::macros::set_maybe_value(
&mut self, stringify!($name), val.map(|x| serde_json::Value::Number(serde_json::Number::from(x)))
);
self
}
}
};
($name:ident -> chrono::DateTime<chrono::Utc>) => {
paste::item! {
fn [< set_$name:snake >](mut self, val: Option<chrono::DateTime<chrono::Utc>>) -> Self {
$crate::macros::set_maybe_value(
&mut self, stringify!($name), val.map(|x| serde_json::Value::String(x.to_rfc3339()))
);
self
}
}
};
($name:ident -> node $t:ty ) => {
paste::item! {
fn [< set_$name:snake >](mut self, val: $crate::Node<$t>) -> Self {
$crate::macros::set_maybe_node(
&mut self, stringify!($name), val
);
self
}
}
};
($name:ident::$rename:ident -> node $t:ty ) => {
paste::item! {
fn [< set_$name:snake >](mut self, val: $crate::Node<$t>) -> Self {
$crate::macros::set_maybe_node(
&mut self, stringify!($rename), val
);
self
}
}
};
($name:ident -> type $t:ty ) => {
paste::item! {
fn [< set_$name:snake >](mut self, val: Option<$t>) -> Self {
$crate::macros::set_maybe_value(
&mut self, "type", val.map(|x| serde_json::Value::String(x.as_ref().to_string()))
);
self
}
}
};
}
#[cfg(feature = "unstructured")]
pub(crate) use setter;
#[cfg(feature = "unstructured")]
pub fn set_maybe_node(obj: &mut serde_json::Value, key: &str, node: crate::Node<serde_json::Value>) {
if node.is_nothing() {
set_maybe_value(obj, key, None)
} else {
set_maybe_value(obj, key, Some(node.into()))
}
}
#[cfg(feature = "unstructured")]
pub fn set_maybe_value(obj: &mut serde_json::Value, key: &str, value: Option<serde_json::Value>) {
if let Some(map) = obj.as_object_mut() {
match value {
Some(x) => map.insert(key.to_string(), x),
None => map.remove(key),
};
} else {
tracing::error!("error setting '{key}' on json Value: not an object");
}
}