Replace from_dto fn with From trait impl

src-tauri/src/config.rs

@@ -50,20 +50,6 @@ impl UserConfig {
         }
     }
 
-    pub fn from_dto(dto: UserConfigDTO) -> Self {
-        Self {
-            month: Month::try_from(dto.month as u8).unwrap(),
-            year: dto.year,
-            holidays: dto.holidays,
-            residents: dto.residents.into_iter().map(Resident::from_dto).collect(),
-            toxic_pairs: dto.toxic_pairs,
-            workload_limits: HashMap::new(),
-            holiday_limits: HashMap::new(),
-            shift_type_limits: HashMap::new(),
-            shift_type_threshold: HashMap::new(),
-        }
-    }
-
     pub fn with_holidays(mut self, holidays: Vec<usize>) -> Self {
         self.holidays = holidays;
         self
@@ -184,7 +170,7 @@ impl UserConfig {
         }
     }
 
-     /// shift type count fairness
+    /// shift type count fairness
     pub fn calculate_shift_type_fairness(&mut self) {
         let mut global_supply = self.get_initial_supply();
         let mut local_limits = HashMap::new();
@@ -323,6 +309,22 @@ impl UserConfig {
     }
 }
 
+impl From<UserConfigDTO> for UserConfig {
+    fn from(value: UserConfigDTO) -> Self {
+        Self {
+            month: Month::try_from(value.month as u8).unwrap(),
+            year: value.year,
+            holidays: value.holidays,
+            residents: value.residents.into_iter().map(Resident::from).collect(),
+            toxic_pairs: value.toxic_pairs,
+            workload_limits: HashMap::new(),
+            holiday_limits: HashMap::new(),
+            shift_type_limits: HashMap::new(),
+            shift_type_threshold: HashMap::new(),
+        }
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use std::collections::HashMap;