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Move valid_residents to the scheduler impl and simplify it

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stefiosif
2026-01-14 21:15:57 +02:00
parent 2febcb7344
commit 1ce55675db
4 changed files with 63 additions and 118 deletions
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90
src-tauri/src/config.rs
View File

@@ -3,8 +3,7 @@ use serde::{Deserialize, Serialize};
use crate::{
resident::{Resident, ResidentDTO},
schedule::{MonthlySchedule, ShiftType},
slot::{Day, ShiftPosition, Slot},
slot::Day
};
const YEAR: i32 = 2026;
@@ -80,54 +79,6 @@ impl UserConfig {
|| self.holidays.contains(&(day.0 as usize))
}
/// Return all possible candidates for the next slot
/// TODO: move this to another file, UserConfig should only hold the info set from GUI
///
/// @slot
/// @schedule
pub fn candidates(
&self,
slot: Slot,
schedule: &MonthlySchedule,
) -> Vec<(&Resident, &ShiftType)> {
let mut candidates = vec![];
let is_open = slot.is_open_shift();
let other_position = match slot.position {
ShiftPosition::First => ShiftPosition::Second,
ShiftPosition::Second => ShiftPosition::First,
};
let other_slot = Slot::new(slot.day, other_position);
let already_on_duty = schedule.get_resident_id(&other_slot);
for resident in &self.residents {
if let Some(on_duty_id) = &already_on_duty {
if &&resident.id == on_duty_id {
continue;
}
}
if resident.negative_shifts.contains(&slot.day) {
continue;
}
for shift_type in &resident.allowed_types {
match (shift_type, is_open, slot.position) {
(ShiftType::OpenFirst, true, ShiftPosition::First) => {
candidates.push((resident, shift_type))
}
(ShiftType::OpenSecond, true, ShiftPosition::Second) => {
candidates.push((resident, shift_type))
}
(ShiftType::Closed, false, _) => candidates.push((resident, shift_type)),
_ => continue,
}
}
}
candidates
}
pub fn default() -> Self {
Self {
month: Month::try_from(2).unwrap(),
@@ -155,12 +106,7 @@ impl From<UserConfigDTO> for UserConfig {
mod tests {
use rstest::{fixture, rstest};
use crate::{
config::UserConfig,
resident::Resident,
schedule::{MonthlySchedule, ShiftType},
slot::{Day, ShiftPosition, Slot},
};
use crate::{config::UserConfig, resident::Resident, schedule::MonthlySchedule};
#[fixture]
fn setup() -> (UserConfig, MonthlySchedule) {
@@ -175,38 +121,6 @@ mod tests {
(config, schedule)
}
#[rstest]
fn test_candidates_prevents_double_booking_on_open_day(setup: (UserConfig, MonthlySchedule)) {
let (config, mut schedule) = setup;
let slot_1 = Slot::new(Day(1), ShiftPosition::First);
let slot_2 = Slot::new(Day(1), ShiftPosition::Second);
let stefanos = &config.residents[0];
let iordanis = &config.residents[1];
schedule.insert(slot_1, stefanos);
let candidates = config.candidates(slot_2, &schedule);
let stefanos_is_candidate = candidates.iter().any(|(r, _)| r.id == stefanos.id);
assert!(!stefanos_is_candidate);
let iordanis_is_candidate = candidates.iter().any(|(r, _)| r.id == iordanis.id);
assert!(iordanis_is_candidate);
}
#[rstest]
fn test_candidates_respects_shift_type_position(setup: (UserConfig, MonthlySchedule)) {
let (config, schedule) = setup;
let slot_1 = Slot::new(Day(1), ShiftPosition::First);
let candidates = config.candidates(slot_1, &schedule);
for (_, shift_type) in candidates {
assert_eq!(shift_type, &ShiftType::OpenFirst);
}
}
#[rstest]
fn test_total_holiday_slots() {
let config = UserConfig::default().with_holidays(vec![2, 3, 4]);

46
src-tauri/src/schedule.rs
View File

@@ -23,7 +23,7 @@ impl MonthlySchedule {
pub fn prefill(&mut self, config: &UserConfig) {
for r in &config.residents {
for s in &r.manual_shifts {
self.insert(*s, r);
self.insert(*s, &r.id);
}
}
}
@@ -32,10 +32,10 @@ impl MonthlySchedule {
self.0.get(slot)
}
pub fn current_workload(&self, resident: &Resident) -> usize {
pub fn current_workload(&self, resident_id: &str) -> usize {
self.0
.values()
.filter(|res_id| res_id == &&resident.id)
.filter(|res_id| res_id == &resident_id)
.count()
}
@@ -92,8 +92,8 @@ impl MonthlySchedule {
true
}
pub fn insert(&mut self, slot: Slot, resident: &Resident) {
self.0.insert(slot, resident.id.clone());
pub fn insert(&mut self, slot: Slot, resident_id: &str) {
self.0.insert(slot, resident_id.to_string());
}
pub fn remove(&mut self, slot: Slot) {
@@ -177,7 +177,7 @@ impl MonthlySchedule {
};
if let Some(resident) = config.residents.iter().find(|r| &r.id == res_id) {
let current_workload = self.current_workload(resident);
let current_workload = self.current_workload(&resident.id);
if let Some(&limit) = bounds.max_workloads.get(res_id) {
let mut workload_limit = limit;
@@ -293,7 +293,7 @@ impl MonthlySchedule {
residents.sort_by_key(|r| &r.name);
for res in residents {
let total = self.current_workload(res);
let total = self.current_workload(&res.id);
let o1 = self.count_shifts(&res.id, Some(ShiftType::OpenFirst));
let o2 = self.count_shifts(&res.id, Some(ShiftType::OpenSecond));
let cl = self.count_shifts(&res.id, Some(ShiftType::Closed));
@@ -380,10 +380,10 @@ mod tests {
let slot_1 = Slot::new(Day(1), ShiftPosition::First);
let slot_2 = Slot::new(Day(1), ShiftPosition::Second);
schedule.insert(slot_1, &resident);
schedule.insert(slot_1, &resident.id);
assert_eq!(schedule.get_resident_id(&slot_1), Some(&"1".to_string()));
assert_eq!(schedule.current_workload(&resident), 1);
assert_eq!(schedule.current_workload(&resident.id), 1);
assert_eq!(schedule.get_resident_id(&slot_2), None);
}
@@ -391,12 +391,12 @@ mod tests {
fn test_remove_resident(mut schedule: MonthlySchedule, resident: Resident) {
let slot_1 = Slot::new(Day(1), ShiftPosition::First);
schedule.insert(slot_1, &resident);
assert_eq!(schedule.current_workload(&resident), 1);
schedule.insert(slot_1, &resident.id);
assert_eq!(schedule.current_workload(&resident.id), 1);
schedule.remove(slot_1);
assert_eq!(schedule.get_resident_id(&slot_1), None);
assert_eq!(schedule.current_workload(&resident), 0);
assert_eq!(schedule.current_workload(&resident.id), 0);
}
#[rstest]
@@ -405,9 +405,9 @@ mod tests {
let slot_2 = Slot::new(Day(1), ShiftPosition::Second);
let slot_3 = Slot::new(Day(2), ShiftPosition::First);
schedule.insert(slot_1, &resident);
schedule.insert(slot_2, &resident);
schedule.insert(slot_3, &resident);
schedule.insert(slot_1, &resident.id);
schedule.insert(slot_2, &resident.id);
schedule.insert(slot_3, &resident.id);
assert!(!schedule.same_resident_in_consecutive_days(&slot_1));
assert!(!schedule.same_resident_in_consecutive_days(&slot_2));
@@ -422,8 +422,8 @@ mod tests {
let stefanos = &toxic_config.residents[0];
let iordanis = &toxic_config.residents[1];
schedule.insert(slot_1, stefanos);
schedule.insert(slot_2, iordanis);
schedule.insert(slot_1, &stefanos.id);
schedule.insert(slot_2, &iordanis.id);
assert!(schedule.has_toxic_pair(&slot_2, &toxic_config))
}
@@ -442,13 +442,13 @@ mod tests {
bounds.max_workloads.insert("1".to_string(), 1);
bounds.max_workloads.insert("2".to_string(), 2);
schedule.insert(slot_1, &stefanos);
schedule.insert(slot_1, &stefanos.id);
assert!(!schedule.is_workload_unbalanced(&slot_1, &config, &bounds));
schedule.insert(slot_2, &iordanis);
schedule.insert(slot_2, &iordanis.id);
assert!(!schedule.is_workload_unbalanced(&slot_2, &config, &bounds));
schedule.insert(slot_3, &stefanos);
schedule.insert(slot_3, &stefanos.id);
assert!(schedule.is_workload_unbalanced(&slot_3, &config, &bounds));
}
@@ -466,13 +466,13 @@ mod tests {
bounds.max_holiday_shifts.insert("1".to_string(), 1);
bounds.max_holiday_shifts.insert("2".to_string(), 1);
schedule.insert(slot_1, &stefanos);
schedule.insert(slot_1, &stefanos.id);
assert!(!schedule.is_holiday_workload_imbalanced(&slot_1, &config, &bounds));
schedule.insert(slot_2, &iordanis);
schedule.insert(slot_2, &iordanis.id);
assert!(!schedule.is_holiday_workload_imbalanced(&slot_2, &config, &bounds));
schedule.insert(slot_7, &stefanos);
schedule.insert(slot_7, &stefanos.id);
assert!(schedule.is_holiday_workload_imbalanced(&slot_7, &config, &bounds));
}
}

33
src-tauri/src/scheduler.rs
View File

@@ -1,4 +1,7 @@
use crate::{bounds::WorkloadBounds, config::UserConfig, schedule::MonthlySchedule, slot::Slot};
use crate::{
bounds::WorkloadBounds, config::UserConfig, schedule::MonthlySchedule,
slot::Slot,
};
use rand::Rng;
@@ -41,15 +44,15 @@ impl Scheduler {
}
// sort candidates by current workload, add rng for tie breakers
let mut candidates = self.config.candidates(slot, schedule);
candidates.sort_unstable_by_key(|&(resident, _)| {
let workload = schedule.current_workload(resident);
let mut valid_resident_ids = self.valid_residents(slot, schedule);
valid_resident_ids.sort_unstable_by_key(|res_id| {
let workload = schedule.current_workload(res_id);
let tie_breaker: f64 = rand::rng().random();
(workload, (tie_breaker * 1000.0) as usize)
});
for (resident, _) in candidates {
schedule.insert(slot, resident);
for id in &valid_resident_ids {
schedule.insert(slot, id);
if self.search(schedule, slot.next()) {
log::trace!("Solution found, exiting recursive algorithm");
@@ -61,6 +64,19 @@ impl Scheduler {
false
}
/// Return all valid residents for the current slot
pub fn valid_residents(&self, slot: Slot, schedule: &MonthlySchedule) -> Vec<String> {
let other_slot_resident_id = schedule.get_resident_id(&slot.other_position());
self.config
.residents
.iter()
.filter(|r| Some(&r.id) != other_slot_resident_id)
.filter(|r| !r.negative_shifts.contains(&slot.day))
.map(|r| r.id.clone())
.collect()
}
}
#[cfg(test)]
@@ -121,11 +137,14 @@ mod tests {
}
for r in &scheduler.config.residents {
let workload = schedule.current_workload(r);
let workload = schedule.current_workload(&r.id);
let limit = *scheduler.bounds.max_workloads.get(&r.id).unwrap();
assert!(workload <= limit as usize);
}
println!("{}", schedule.pretty_print(&scheduler.config));
}
#[rstest]
fn test_valid_residents(mut schedule: MonthlySchedule, scheduler: Scheduler) {}
}

12
src-tauri/src/slot.rs
View File

@@ -77,6 +77,18 @@ impl Slot {
self.day.greater_than(&Day(limit))
}
pub fn other_position(&self) -> Self {
let other_pos = match self.position {
ShiftPosition::First => ShiftPosition::Second,
ShiftPosition::Second => ShiftPosition::First,
};
Self {
day: self.day,
position: other_pos,
}
}
pub fn default() -> Self {
Self {
day: Day(1),