initial commit

src/models.rs

@@ -0,0 +1,62 @@
+use std::str::FromStr;
+
+use bigdecimal::{BigDecimal, ParseBigDecimalError};
+use serde::{Deserialize, Serialize};
+use sqlx::{Database, Decode, Encode, FromRow, Type, error::BoxDynError};
+use std::cmp::PartialOrd;
+use std::error::Error;
+use std::fmt::Display;
+// use validator::{Validate, ValidateRange};
+
+// #[derive(Debug, Serialize, Deserialize, PartialEq, PartialOrd, Clone, Type)]
+// #[sqlx(transparent)]
+// pub struct Amount(BigDecimal);
+
+// impl Amount {
+//     fn new(text: &str) -> Result<Amount, ParseBigDecimalError> {
+//         Ok(Amount(BigDecimal::from_str(text)?))
+//     }
+// }
+
+// impl Display for Amount {
+//     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+//         self.0.fmt(f)
+//     }
+// }
+
+// impl ValidateRange<Amount> for Amount {
+//     fn greater_than(&self, max: Amount) -> Option<bool> {
+//         Some(self > &max)
+//     }
+
+//     fn less_than(&self, min: Amount) -> Option<bool> {
+//         Some(self < &min)
+//     }
+// }
+
+// impl From<Amount> for BigDecimal {
+//     fn from(value: Amount) -> Self {
+//         value.0
+//     }
+// }
+
+type Amount = BigDecimal;
+
+#[derive(Debug, Serialize, Deserialize, FromRow)]
+pub struct Account {
+    pub account_id: i64,
+    pub balance: Amount,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct CreateAccount {
+    pub account_id: i64,
+    pub initial_balance: Amount,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct TransactionRequest {
+    pub source_account_id: i64,
+    pub destination_account_id: i64,
+    pub amount: Amount,
+}