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use crate::{
configuration::typology::Operator,
google::protobuf::{ListValue, NullValue, Struct, Value, value},
};
#[derive(Debug)]
/// Generic JSON value
pub struct GenericParameter(pub(crate) serde_json::Value);
impl From<Value> for GenericParameter {
fn from(value: Value) -> Self {
Self(value.into())
}
}
impl From<value::Kind> for GenericParameter {
fn from(value: value::Kind) -> Self {
Self(value.into())
}
}
impl TryFrom<serde_json::Value> for value::Kind {
type Error = String;
fn try_from(value: serde_json::Value) -> Result<Self, Self::Error> {
match value {
serde_json::Value::Null => Ok(value::Kind::NullValue(NullValue::NullValue as i32)),
serde_json::Value::Bool(b) => Ok(value::Kind::BoolValue(b)),
serde_json::Value::Number(n) => n
.as_f64()
.map(value::Kind::NumberValue)
.ok_or_else(|| "Invalid number".to_string()),
serde_json::Value::String(s) => Ok(value::Kind::StringValue(s)),
serde_json::Value::Array(arr) => {
let values = arr
.into_iter()
.map(Value::try_from)
.collect::<Result<Vec<_>, _>>()?;
Ok(value::Kind::ListValue(ListValue { values }))
}
serde_json::Value::Object(map) => {
let mut fields = std::collections::HashMap::new();
for (k, v) in map {
let v = Value::try_from(v)?;
fields.insert(k, v);
}
Ok(value::Kind::StructValue(Struct { fields }))
}
}
}
}
impl TryFrom<serde_json::Value> for Value {
type Error = String;
fn try_from(value: serde_json::Value) -> Result<Self, Self::Error> {
let kind = Some(value::Kind::try_from(value)?);
Ok(Value { kind })
}
}
impl From<value::Kind> for serde_json::Value {
fn from(kind: value::Kind) -> Self {
match kind {
value::Kind::NullValue(_) => serde_json::Value::Null,
value::Kind::BoolValue(b) => serde_json::Value::Bool(b),
value::Kind::NumberValue(n) => serde_json::Value::Number(
serde_json::Number::from_f64(n).unwrap_or_else(|| serde_json::Number::from(0)),
),
value::Kind::StringValue(s) => serde_json::Value::String(s),
value::Kind::StructValue(s) => serde_json::Value::from(s),
value::Kind::ListValue(l) => serde_json::Value::from(l),
}
}
}
impl From<Value> for serde_json::Value {
fn from(value: Value) -> Self {
match value.kind {
Some(kind) => kind.into(),
None => serde_json::Value::Null,
}
}
}
impl From<Struct> for serde_json::Value {
fn from(s: Struct) -> Self {
let map = s
.fields
.into_iter()
.map(|(k, v)| (k, serde_json::Value::from(v)))
.collect();
serde_json::Value::Object(map)
}
}
impl From<ListValue> for serde_json::Value {
fn from(l: ListValue) -> Self {
let list = l.values.into_iter().map(serde_json::Value::from).collect();
serde_json::Value::Array(list)
}
}
impl serde::Serialize for GenericParameter {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
let json = self.0.clone();
json.serialize(serializer)
}
}
pub(crate) mod operator_serde {
use super::Operator;
use serde::{self, Deserialize, Deserializer, Serializer};
pub fn serialize<S>(operator: &i32, s: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
let operator = Operator::try_from(*operator);
if let Ok(d) = operator {
return s.serialize_str(d.as_str_name());
}
s.serialize_none()
}
pub fn deserialize<'de, D>(deserializer: D) -> Result<i32, D::Error>
where
D: Deserializer<'de>,
{
let s: Option<String> = Option::deserialize(deserializer)?;
if let Some(s) = s {
let op = Operator::from_str_name(&s)
.ok_or_else(|| serde::de::Error::custom("unsupported"))?
as i32;
return Ok(op);
}
Err(serde::de::Error::custom("deserialise error for operator"))
}
}
impl From<Operator> for String {
fn from(value: Operator) -> Self {
value.as_str_name().to_owned()
}
}
impl TryFrom<String> for Operator {
type Error = String;
fn try_from(value: String) -> Result<Self, Self::Error> {
let value = value.to_uppercase();
Operator::from_str_name(&value).ok_or_else(|| format!("unsupported operator: {}", value))
}
}
|
