refactored bot code

database/models.py

@@ -11,9 +11,9 @@ class Students:
             conn = connection.get_db_connection()
             if not conn:
                 return None
-            
+
             cursor = conn.cursor()
-            cursor.execute("SELECT id,name FROM students");
+            cursor.execute("SELECT id,username FROM students")
             result = cursor.fetchall()
             cursor.close()
 
@@ -31,9 +31,10 @@ class Students:
             conn = connection.get_db_connection()
             if not conn:
                 return None
-            
+
             cursor = conn.cursor()
-            cursor.execute("SELECT id,username, created_at, email, phone_number, last_seen, is_verfied, birthday FROM students WHERE id = %s", (student_id,))
+            cursor.execute(
+                "SELECT id,username, name, created_at, email, phone_number, last_seen, is_verfied, birthday FROM students WHERE id = %s", (student_id,))
             result = cursor.fetchall()
             cursor.close()
 
@@ -43,4 +44,47 @@ class Students:
             return None
         finally:
             if conn:
-                connection.release_db_connection(conn)
+                connection.release_db_connection(conn)
+
+
+class Teachers:
+    def getAllTeachers():
+        conn = None
+        try:
+            conn = connection.get_db_connection()
+            if not conn:
+                return None
+
+            cursor = conn.cursor()
+            cursor.execute("SELECT id,username FROM teachers")
+            result = cursor.fetchall()
+            cursor.close()
+
+            return result if result else None
+        except Exception as e:
+            logger.error(f"Database query error in getAllTeachers: {e}")
+            return None
+        finally:
+            if conn:
+                connection.release_db_connection(conn)
+
+    def getTeachertById(teacher_id):
+        conn = None
+        try:
+            conn = connection.get_db_connection()
+            if not conn:
+                return None
+
+            cursor = conn.cursor()
+            cursor.execute(
+                "SELECT id,username, name, created_at, email, phone_number, last_seen, is_verfied, birthday, about_me, job_title FROM teachers WHERE id = %s", (teacher_id))
+            result = cursor.fetchall()
+            cursor.close()
+
+            return result[0] if result else None
+        except Exception as e:
+            logger.error(f"Database query error in getTeacherById: {e}")
+            return None
+        finally:
+            if conn:
+                connection.release_db_connection(conn)