All backend stuff lives in backend folder

1 files changed, 0 insertions, 159 deletions

diff --git a/backend/src/utils/calculate_budgets_accrual.rs b/backend/src/utils/calculate_budgets_accrual.rs
deleted file mode 100644
index f14260d..0000000
--- a/backend/src/utils/calculate_budgets_accrual.rs
+++ /dev/null
@@ -1,159 +0,0 @@
-use crate::models::{budget_update::BudgetUpdate, category::Category, date_time_utc::DateTimeUtc};
-
-pub fn calculate_budgets_accrual(category: &Category, budget_updates: &[BudgetUpdate]) -> i64 {
-    let mut budget_updates = budget_updates
-        .iter()
-        .filter(|bu| bu.category_id == category.id)
-        .collect::<Vec<&BudgetUpdate>>();
-    budget_updates.sort_by_key(|bu| bu.date);
-    budget_updates.reverse();
-
-    let mut budgets_accrual = 0.0_f64;
-    let mut calculated_back_to_date = DateTimeUtc::now();
-
-    for budget_update in budget_updates {
-        let days_on_this_budget = calculated_back_to_date.day_diff(&budget_update.date);
-        if days_on_this_budget == 0_u32 {
-            continue;
-        }
-        let budget_per_day = budget_update.new_budget as f64 / budget_update.new_period as f64;
-        budgets_accrual += days_on_this_budget as f64 * budget_per_day;
-        calculated_back_to_date = budget_update.date;
-    }
-
-    budgets_accrual.floor() as i64
-}
-
-#[cfg(test)]
-mod test {
-    use chrono::{Days, Timelike, Utc};
-
-    use crate::models::{
-        budget_update::BudgetUpdate, category::Category, date_time_utc::DateTimeUtc,
-    };
-
-    use super::calculate_budgets_accrual;
-
-    #[test]
-    fn when_no_budget_updates_then_return_zero() {
-        let category = Category {
-            id: 0,
-            name: String::from("Groceries"),
-        };
-        let budget_updates = [];
-
-        let result = calculate_budgets_accrual(&category, &budget_updates);
-
-        assert_eq!(result, 0_i64);
-    }
-
-    #[test]
-    fn when_one_budget_update_for_another_category_then_return_zero() {
-        let category = Category {
-            id: 0,
-            name: String::from("Groceries"),
-        };
-        let budget_updates = [BudgetUpdate {
-            id: 0,
-            category_id: 1,
-            date: DateTimeUtc::now(),
-            new_budget: 100,
-            new_period: 1,
-        }];
-
-        let result = calculate_budgets_accrual(&category, &budget_updates);
-
-        assert_eq!(result, 0_i64);
-    }
-
-    #[test]
-    fn when_one_budget_update_then_return_quantity_times_days_in_past() {
-        let category = Category {
-            id: 0,
-            name: String::from("Groceries"),
-        };
-        let budget_updates = [BudgetUpdate {
-            id: 0,
-            category_id: 0,
-            date: DateTimeUtc::new(Utc::now().checked_sub_days(Days::new(120)).unwrap()),
-            new_budget: 100,
-            new_period: 1,
-        }];
-
-        let result = calculate_budgets_accrual(&category, &budget_updates);
-
-        assert_eq!(result, 12_000);
-    }
-
-    #[test]
-    fn when_two_budget_updates_then_calculates_as_expected() {
-        let category = Category {
-            id: 0,
-            name: String::from("Groceries"),
-        };
-        let budget_updates = [
-            BudgetUpdate {
-                id: 0,
-                category_id: 0,
-                date: DateTimeUtc::new(Utc::now().checked_sub_days(Days::new(60)).unwrap()),
-                new_budget: 200,
-                new_period: 1,
-            },
-            BudgetUpdate {
-                id: 0,
-                category_id: 0,
-                date: DateTimeUtc::new(Utc::now().checked_sub_days(Days::new(120)).unwrap()),
-                new_budget: 100,
-                new_period: 1,
-            },
-        ];
-
-        let result = calculate_budgets_accrual(&category, &budget_updates);
-
-        assert_eq!(result, 18_000);
-    }
-
-    #[test]
-    fn when_two_budget_updates_on_same_day_then_uses_latest_only() {
-        let category = Category {
-            id: 0,
-            name: String::from("Groceries"),
-        };
-        let budget_updates = [
-            BudgetUpdate {
-                id: 0,
-                category_id: 0,
-                date: DateTimeUtc::new(
-                    Utc::now()
-                        .checked_sub_days(Days::new(120))
-                        .unwrap()
-                        .with_hour(13)
-                        .unwrap(),
-                ),
-                new_budget: 200,
-                new_period: 1,
-            },
-            BudgetUpdate {
-                id: 0,
-                category_id: 0,
-                date: DateTimeUtc::new(
-                    Utc::now()
-                        .checked_sub_days(Days::new(120))
-                        .unwrap()
-                        .with_hour(12)
-                        .unwrap(),
-                ),
-                new_budget: 100,
-                new_period: 1,
-            },
-        ];
-        let mut budget_updates_reversed = budget_updates.clone();
-        budget_updates_reversed.reverse();
-
-        let result_leftways = calculate_budgets_accrual(&category, &budget_updates);
-        let result_rightways = calculate_budgets_accrual(&category, &budget_updates_reversed);
-
-        assert_eq!(result_leftways, 24_000);
-        assert_eq!(result_rightways, 24_000);
-    }
-}