66 lines
1.5 KiB
Rust
66 lines
1.5 KiB
Rust
// Copyright: Ankitects Pty Ltd and contributors
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// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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use crate::timestamp::TimestampSecs;
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use serde::{Deserialize as DeTrait, Deserializer};
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pub(crate) use serde_aux::field_attributes::{
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deserialize_bool_from_anything, deserialize_number_from_string,
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};
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use serde_json::Value;
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pub(crate) fn default_on_invalid<'de, T, D>(deserializer: D) -> Result<T, D::Error>
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where
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T: Default + DeTrait<'de>,
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D: serde::de::Deserializer<'de>,
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{
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let v: Value = DeTrait::deserialize(deserializer)?;
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Ok(T::deserialize(v).unwrap_or_default())
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}
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pub(crate) fn deserialize_int_from_number<'de, T, D>(deserializer: D) -> Result<T, D::Error>
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where
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D: Deserializer<'de>,
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T: serde::Deserialize<'de> + FromI64,
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{
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#[derive(DeTrait)]
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#[serde(untagged)]
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enum IntOrFloat {
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Int(i64),
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Float(f64),
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}
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match IntOrFloat::deserialize(deserializer)? {
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IntOrFloat::Float(f) => Ok(T::from_i64(f as i64)),
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IntOrFloat::Int(i) => Ok(T::from_i64(i)),
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}
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}
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// It may be possible to use the num_traits crate instead in the future.
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pub(crate) trait FromI64 {
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fn from_i64(val: i64) -> Self;
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}
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impl FromI64 for i32 {
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fn from_i64(val: i64) -> Self {
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val as Self
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}
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}
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impl FromI64 for u32 {
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fn from_i64(val: i64) -> Self {
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val.max(0) as Self
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}
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}
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impl FromI64 for i64 {
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fn from_i64(val: i64) -> Self {
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val
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}
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}
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impl FromI64 for TimestampSecs {
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fn from_i64(val: i64) -> Self {
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TimestampSecs(val as i64)
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}
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}
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