Add fairness for each shift type count

src-tauri/src/slot.rs

@@ -21,10 +21,22 @@ impl Slot {
         self.day == Day(1) && self.position == ShiftPosition::First
     }
 
+    pub fn is_open_first(&self) -> bool {
+        self.is_open_shift() && self.position == ShiftPosition::First
+    }
+
     pub fn is_open_second(&self) -> bool {
         self.is_open_shift() && self.position == ShiftPosition::Second
     }
 
+    pub fn shift_type_str(&self) -> String {
+        match (self.day.is_open_shift(), self.position) {
+            (true, ShiftPosition::First) => "Ανοιχτή(1)".to_string(),
+            (true, ShiftPosition::Second) => "Ανοιχτή(2)".to_string(),
+            _ => "Κλειστή".to_string(),
+        }
+    }
+
     pub fn next(&self) -> Self {
         match self.position {
             ShiftPosition::First if self.is_open_shift() => Self {
@@ -103,6 +115,11 @@ impl Day {
         let weekday = date.weekday();
         weekday == Weekday::Sat || weekday == Weekday::Sun
     }
+
+    pub fn weekday(&self, month: u32, year: i32) -> Weekday {
+        let date = NaiveDate::from_ymd_opt(year, month, self.0 as u32).unwrap();
+        date.weekday()
+    }
 }
 
 #[derive(Serialize, Deserialize, PartialEq, PartialOrd, Ord, Eq, Debug, Hash, Clone, Copy)]