Created
September 19, 2022 09:01
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Not able to deserialize time
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| use serde::{de::Visitor, Deserialize, Deserializer, Serialize, Serializer}; | |
| use std::fmt; | |
| #[derive(Serialize, Deserialize, Debug)] | |
| struct Author { | |
| name: String, | |
| email: String, | |
| #[serde( | |
| serialize_with = "serialize_time", | |
| deserialize_with = "deserialize_time" | |
| )] | |
| time: git2::Time, | |
| } | |
| fn main() { | |
| let author = Author { | |
| name: String::from("Sebastian"), | |
| email: String::from("me@sebastinez.dev"), | |
| time: git2::Time::new(9223372036, 0), | |
| }; | |
| let json = serde_json::to_string(&author).unwrap(); | |
| let _: Author = | |
| serde_json::from_str(&json).expect("This should be deserialized into an Author struct"); | |
| } | |
| fn deserialize_time<'de, D>(deserializer: D) -> Result<git2::Time, D::Error> | |
| where | |
| D: Deserializer<'de>, | |
| { | |
| struct TimeVisitor; | |
| impl<'de> Visitor<'de> for TimeVisitor { | |
| type Value = git2::Time; | |
| fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result { | |
| formatter.write_str("a UNIX timestamp in seconds") | |
| } | |
| fn visit_i64<E>(self, v: i64) -> Result<Self::Value, E> | |
| where | |
| E: serde::de::Error, | |
| { | |
| Ok(git2::Time::new(v, 0)) | |
| } | |
| } | |
| deserializer.deserialize_identifier(TimeVisitor) | |
| } | |
| fn serialize_time<S>(t: &git2::Time, serializer: S) -> Result<S::Ok, S::Error> | |
| where | |
| S: Serializer, | |
| { | |
| serializer.serialize_i64(t.seconds()) | |
| } |
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