From 7adaace61a4fe983eba5ded3aaaf624ce6fb9014 Mon Sep 17 00:00:00 2001
From: Joe Carstairs <me@joeac.net>
Date: Wed, 16 Oct 2024 18:22:55 +0100
Subject: Refactors some backend stuff to core lib

---
 backend/core/src/models/budget.rs | 44 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 backend/core/src/models/budget.rs

(limited to 'backend/core/src/models/budget.rs')

diff --git a/backend/core/src/models/budget.rs b/backend/core/src/models/budget.rs
new file mode 100644
index 0000000..cc18f2e
--- /dev/null
+++ b/backend/core/src/models/budget.rs
@@ -0,0 +1,44 @@
+use serde::Serialize;
+
+use super::budget_update::BudgetUpdate;
+
+#[derive(Debug, Eq, PartialEq, Serialize)]
+pub struct Budget {
+    pub quantity: i32,
+    pub period: i32,
+}
+
+impl From<&BudgetUpdate> for Budget {
+    fn from(budget_update: &BudgetUpdate) -> Self {
+        Self {
+            quantity: budget_update.new_budget,
+            period: budget_update.new_period,
+        }
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use chrono::Utc;
+
+    use crate::models::date_time_utc::DateTimeUtc;
+
+    use super::*;
+
+    #[test]
+    fn when_from_budget_update_then_returns_budget() {
+        let quantity = 2;
+        let period = 3;
+        let budget_update = BudgetUpdate {
+            id: 0,
+            category_id: 1,
+            date: DateTimeUtc::new(Utc::now()),
+            new_budget: quantity,
+            new_period: period,
+        };
+
+        let budget = Budget::from(&budget_update);
+
+        assert_eq!(budget, Budget { quantity, period });
+    }
+}
-- 
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