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use crate::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 = serde_json::Value::from(self.0.clone());
json.serialize(serializer)
}
}
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