36 lines
898 B
Rust
36 lines
898 B
Rust
use std::fmt;
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use std::str::FromStr;
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use serde::{de, Deserialize, Deserializer};
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pub const QUERY_ORDER_INCREASE:i32 = 0;
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pub const QUERY_ORDER_INVERT:i32 = 1;
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pub const MAX_QUERY_LIMIT:i32 =1000;
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#[derive(Debug, Deserialize)]
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pub struct GetAmountParams {
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#[serde(default, deserialize_with="empty_string_as_none")]
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pub transaction_id: Option<i64>,
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}
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// Serde deserialization decorator to map empty Strings to None,
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fn empty_string_as_none<'de, D, T>(de: D) -> Result<Option<T>, D::Error>
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where
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D: Deserializer<'de>,
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T: FromStr,
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T::Err: fmt::Display,
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{
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let opt = Option::<String>::deserialize(de)?;
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match opt.as_deref() {
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None | Some("") => Ok(None),
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Some(s) => FromStr::from_str(s).map_err(de::Error::custom).map(Some),
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}
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}
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#[derive(Deserialize)]
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pub struct GetTransactionsQueryParams {
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pub start: Option<i64>,
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pub limit: Option<i32>,
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}
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