From 27b95c9186bd45edd4c982a7cc89cf69cf2c5d46 Mon Sep 17 00:00:00 2001
From: Joe Carstairs <me@joeac.net>
Date: Wed, 16 Oct 2024 12:51:21 +0100
Subject: All backend stuff lives in backend folder

---
 backend/src/utils/calculate_category_balance.rs | 141 ------------------------
 1 file changed, 141 deletions(-)
 delete mode 100644 backend/src/utils/calculate_category_balance.rs

(limited to 'backend/src/utils/calculate_category_balance.rs')

diff --git a/backend/src/utils/calculate_category_balance.rs b/backend/src/utils/calculate_category_balance.rs
deleted file mode 100644
index 3c1c62f..0000000
--- a/backend/src/utils/calculate_category_balance.rs
+++ /dev/null
@@ -1,141 +0,0 @@
-use crate::models::{budget_update::BudgetUpdate, category::Category};
-
-use super::{calculate_budgets_accrual, find_by_id_or};
-
-pub fn calculate_category_balance(
-    category: &Category,
-    transaction_sums: &[(i32, Option<i64>)],
-    category_transfer_from_sums: &[(i32, Option<i64>)],
-    category_transfer_to_sums: &[(i32, Option<i64>)],
-    budget_updates: &[BudgetUpdate],
-) -> i64 {
-    let transaction_sum = find_by_id_or(transaction_sums, category.id, 0);
-    let category_transfer_from_sum = find_by_id_or(category_transfer_from_sums, category.id, 0);
-    let category_transfer_to_sum = find_by_id_or(category_transfer_to_sums, category.id, 0);
-    let budget_accruals_sum = calculate_budgets_accrual(category, budget_updates);
-
-    transaction_sum + budget_accruals_sum + category_transfer_to_sum - category_transfer_from_sum
-}
-
-#[cfg(test)]
-mod test {
-    use chrono::{Days, Utc};
-
-    use crate::{
-        models::{budget_update::BudgetUpdate, category::Category, date_time_utc::DateTimeUtc},
-        utils::calculate_category_balance,
-    };
-
-    #[test]
-    fn when_no_data_then_returns_zero() {
-        let category = Category {
-            id: 0,
-            name: String::new(),
-        };
-
-        let result = calculate_category_balance(&category, &[], &[], &[], &[]);
-
-        assert_eq!(result, 0_i64);
-    }
-
-    #[test]
-    fn when_data_only_for_another_category_then_returns_zero() {
-        let category = Category {
-            id: 0,
-            name: String::new(),
-        };
-        let transaction_sums = [(1, Some(100))];
-        let category_transfer_from_sums = [(1, Some(91))];
-        let category_transfer_to_sums = [(2, Some(79))];
-        let budget_updates = [BudgetUpdate {
-            id: 0,
-            category_id: 1,
-            date: DateTimeUtc::new(Utc::now().checked_sub_days(Days::new(120)).unwrap()),
-            new_budget: 77,
-            new_period: 1,
-        }];
-
-        let result = calculate_category_balance(
-            &category,
-            &transaction_sums,
-            &category_transfer_from_sums,
-            &category_transfer_to_sums,
-            &budget_updates,
-        );
-
-        assert_eq!(result, 0_i64);
-    }
-
-    #[test]
-    fn when_transaction_sum_is_none_then_returns_zero() {
-        let category = Category {
-            id: 0,
-            name: String::new(),
-        };
-        let transaction_sums = [(0, None)];
-        let category_transfer_from_sums = [];
-        let category_transfer_to_sums = [];
-        let budget_updates = [];
-
-        let result = calculate_category_balance(
-            &category,
-            &transaction_sums,
-            &category_transfer_from_sums,
-            &category_transfer_to_sums,
-            &budget_updates,
-        );
-
-        assert_eq!(result, 0_i64);
-    }
-
-    #[test]
-    fn when_category_transfers_are_none_then_returns_zero() {
-        let category = Category {
-            id: 0,
-            name: String::new(),
-        };
-        let transaction_sums = [];
-        let category_transfer_from_sums = [(0, None)];
-        let category_transfer_to_sums = [(0, None)];
-        let budget_updates = [];
-
-        let result = calculate_category_balance(
-            &category,
-            &transaction_sums,
-            &category_transfer_from_sums,
-            &category_transfer_to_sums,
-            &budget_updates,
-        );
-
-        assert_eq!(result, 0_i64);
-    }
-
-    #[test]
-    fn when_some_data_then_calculates_as_expected() {
-        let category = Category {
-            id: 0,
-            name: String::new(),
-        };
-        let transaction_sums = [(0, Some(100))];
-        let category_transfer_from_sums = [(0, Some(91))];
-        let category_transfer_to_sums = [(0, Some(79))];
-        let budget_updates = [BudgetUpdate {
-            id: 0,
-            category_id: 0,
-            date: DateTimeUtc::new(Utc::now().checked_sub_days(Days::new(120)).unwrap()),
-            new_budget: 77,
-            new_period: 1,
-        }];
-
-        let result = calculate_category_balance(
-            &category,
-            &transaction_sums,
-            &category_transfer_from_sums,
-            &category_transfer_to_sums,
-            &budget_updates,
-        );
-
-        let expected_result = 100 + (-91) + 79 + 77 * 120;
-        assert_eq!(result, expected_result);
-    }
-}
-- 
cgit v1.2.3