Fetch applicant from database

lib/DB/EmployeeDAO.py

@@ -6,40 +6,30 @@ from PySide6.QtCore import QObject, Signal
 
 class EmployeeDAO(QObject):
     newEmployeeAdded = Signal(bool)
-
-    __cur = None
     __all_cols = None
 
     def __init__(self):
         super().__init__()
         self.__con = DbManager().getConnection()
-        if self.__con:
-            self.__cur = self.__con.cursor()
 
     def getEmployees(self, enc_key, criterion="Alle", processed=False, fired=False, every_state=True):
-        try:
-            if self.__cur:
-                self.__cur.callproc("getEmployeeTable", (criterion, processed, fired, every_state, enc_key,))
-                self.__all_cols = [desc[0] for desc in self.__cur.description]
-                return self.__cur.fetchall(), self.__all_cols
-            else:
-                return None, None
-        except mariadb.Error as e:
-            print(str(e))
+        cursor = self.__con.cursor()
+        cursor.callproc("getEmployeeTable", (criterion, processed, fired, every_state, enc_key,))
+        self.__all_cols = [desc[0] for desc in cursor.description]
+        result = cursor.fetchall(), self.__all_cols
+        cursor.close()
+        return result
 
-    def getEmployee(self, employee_id, enc_key=None):
-        try:
-            if self.__cur:
-                self.__cur.callproc("getEmployee", (employee_id, enc_key,))
-                # self.__all_cols = [desc[0] for desc in self.__cur.description]
-                return self.__cur.fetchall()  # , self.__all_cols
-            else:
-                return None
-        except mariadb.Error as e:
-            print(str(e))
+    def fetchApplicant(self, employee_id, enc_key=None) -> dict:
+        cursor = self.__con.cursor(dictionary=True)
+        cursor.callproc("getApplicant", (employee_id, enc_key))
+        it = cursor.fetchone()
+        cursor.close()
+        return it
 
     def addEmployee(self, data, enc_key, applicant=True):
-        if self.__cur:
-            self.__cur.callproc("addApplicant", (json.dumps(data), applicant, enc_key,))
-            self.__con.commit()
-            self.newEmployeeAdded.emit(True)
+        cursor = self.__con.cursor()
+        cursor.callproc("addApplicant", (json.dumps(data), applicant, enc_key,))
+        self.__con.commit()
+        cursor.close()
+        self.newEmployeeAdded.emit(True)