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from typing import Optional
import mysql.connector
from mysql.connector import Error
class DatabaseConfig:
def __init__(self):
self.host = os.getenv('DB_HOST', 'localhost')
self.port = os.getenv('DB_PORT', 3306)
self.database = os.getenv('DB_NAME', 'DOC_OC')
self.user = os.getenv('DB_USER', 'root')
self.password = os.getenv('DB_PASSWORD', 'aditya')
def get_connection(self):
try:
connection = mysql.connector.connect(
host=self.host,
port=self.port,
database=self.database,
user=self.user,
password=self.password
)
return connection
except Error as e:
print(f"Database connection error: {e}")
return None
class MarksheetDB:
def __init__(self):
self.config = DatabaseConfig()
def create_user(self, username: str, email: str) -> Optional[int]:
connection = self.config.get_connection()
if not connection:
return None
try:
cursor = connection.cursor()
query = "INSERT INTO users (username, email) VALUES (%s, %s)"
cursor.execute(query, (username, email))
connection.commit()
user_id = cursor.lastrowid
return user_id
except Error as e:
print(f"Error creating user: {e}")
return None
finally:
if connection.is_connected():
cursor.close()
connection.close()
def get_user_by_email(self, email: str) -> Optional[dict]:
connection = self.config.get_connection()
if not connection:
return None
try:
cursor = connection.cursor(dictionary=True)
query = "SELECT * FROM users WHERE email = %s"
cursor.execute(query, (email,))
user = cursor.fetchone()
return user
except Error as e:
print(f"Error getting user: {e}")
return None
finally:
if connection.is_connected():
cursor.close()
connection.close()
def save_10th_marksheet(self, user_id: int, data: dict) -> Optional[int]:
connection = self.config.get_connection()
if not connection:
return None
try:
cursor = connection.cursor()
subjects = data.get('subjects', [])
# Prepare subject data (up to 6 subjects)
subject_data = {}
for i in range(6):
if i < len(subjects):
subject = subjects[i]
subject_data[f'subject{i+1}_code'] = subject.get('code')
subject_data[f'subject{i+1}_name'] = subject.get('name')
subject_data[f'subject{i+1}_theory_marks'] = subject.get('theory_marks')
subject_data[f'subject{i+1}_practical_marks'] = subject.get('practical_marks')
subject_data[f'subject{i+1}_internal_marks'] = subject.get('internal_marks')
subject_data[f'subject{i+1}_total_marks'] = subject.get('total_marks')
subject_data[f'subject{i+1}_marks'] = subject.get('marks')
subject_data[f'subject{i+1}_grade'] = subject.get('grade')
subject_data[f'subject{i+1}_percentage'] = subject.get('percentage')
else:
subject_data[f'subject{i+1}_code'] = None
subject_data[f'subject{i+1}_name'] = None
subject_data[f'subject{i+1}_theory_marks'] = None
subject_data[f'subject{i+1}_practical_marks'] = None
subject_data[f'subject{i+1}_internal_marks'] = None
subject_data[f'subject{i+1}_total_marks'] = None
subject_data[f'subject{i+1}_marks'] = None
subject_data[f'subject{i+1}_grade'] = None
subject_data[f'subject{i+1}_percentage'] = None
query = """
INSERT INTO marksheet_10th
(user_id, board, student_name, roll_number, unique_id, school_name, school_code,
mother_name, father_name, subject1_code, subject1_name, subject1_theory_marks,
subject1_practical_marks, subject1_internal_marks, subject1_total_marks,
subject1_marks, subject1_grade, subject1_percentage, subject2_code, subject2_name,
subject2_theory_marks, subject2_practical_marks, subject2_internal_marks,
subject2_total_marks, subject2_marks, subject2_grade, subject2_percentage,
subject3_code, subject3_name, subject3_theory_marks, subject3_practical_marks,
subject3_internal_marks, subject3_total_marks, subject3_marks, subject3_grade,
subject3_percentage, subject4_code, subject4_name, subject4_theory_marks,
subject4_practical_marks, subject4_internal_marks, subject4_total_marks,
subject4_marks, subject4_grade, subject4_percentage, subject5_code, subject5_name,
subject5_theory_marks, subject5_practical_marks, subject5_internal_marks,
subject5_total_marks, subject5_marks, subject5_grade, subject5_percentage,
subject6_code, subject6_name, subject6_theory_marks, subject6_practical_marks,
subject6_internal_marks, subject6_total_marks, subject6_marks, subject6_grade,
subject6_percentage)
VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s,
%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s,
%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s,
%s, %s, %s, %s, %s, %s, %s, %s, %s)
ON DUPLICATE KEY UPDATE
board = VALUES(board), student_name = VALUES(student_name), uploaded_at = CURRENT_TIMESTAMP
"""
cursor.execute(query, (
user_id, data.get('board', ''), data.get('student_name'), data.get('roll_number'),
data.get('unique_id'), data.get('school_name'), data.get('school_code'),
data.get('mother_name'), data.get('father_name'),
*[subject_data[f'subject{i+1}_{field}'] for i in range(6)
for field in ['code', 'name', 'theory_marks', 'practical_marks', 'internal_marks',
'total_marks', 'marks', 'grade', 'percentage']]
))
connection.commit()
return cursor.lastrowid or 1
except Error as e:
print(f"Error saving 10th marksheet: {e}")
return None
finally:
if connection.is_connected():
cursor.close()
connection.close()
def save_12th_marksheet(self, user_id: int, data: dict) -> Optional[int]:
connection = self.config.get_connection()
if not connection:
return None
try:
cursor = connection.cursor()
subjects = data.get('subjects', [])
# Prepare subject data (up to 6 subjects)
subject_data = {}
for i in range(6):
if i < len(subjects):
subject = subjects[i]
subject_data[f'subject{i+1}_code'] = subject.get('code')
subject_data[f'subject{i+1}_name'] = subject.get('name')
subject_data[f'subject{i+1}_theory_marks'] = subject.get('theory_marks')
subject_data[f'subject{i+1}_practical_marks'] = subject.get('practical_marks')
subject_data[f'subject{i+1}_internal_marks'] = subject.get('internal_marks')
subject_data[f'subject{i+1}_total_marks'] = subject.get('total_marks')
subject_data[f'subject{i+1}_marks'] = subject.get('marks')
subject_data[f'subject{i+1}_grade'] = subject.get('grade')
subject_data[f'subject{i+1}_percentage'] = subject.get('percentage')
else:
subject_data[f'subject{i+1}_code'] = None
subject_data[f'subject{i+1}_name'] = None
subject_data[f'subject{i+1}_theory_marks'] = None
subject_data[f'subject{i+1}_practical_marks'] = None
subject_data[f'subject{i+1}_internal_marks'] = None
subject_data[f'subject{i+1}_total_marks'] = None
subject_data[f'subject{i+1}_marks'] = None
subject_data[f'subject{i+1}_grade'] = None
subject_data[f'subject{i+1}_percentage'] = None
query = """
INSERT INTO marksheet_12th
(user_id, board, student_name, roll_number, unique_id, school_name, school_code,
mother_name, father_name, subject1_code, subject1_name, subject1_theory_marks,
subject1_practical_marks, subject1_internal_marks, subject1_total_marks,
subject1_marks, subject1_grade, subject1_percentage, subject2_code, subject2_name,
subject2_theory_marks, subject2_practical_marks, subject2_internal_marks,
subject2_total_marks, subject2_marks, subject2_grade, subject2_percentage,
subject3_code, subject3_name, subject3_theory_marks, subject3_practical_marks,
subject3_internal_marks, subject3_total_marks, subject3_marks, subject3_grade,
subject3_percentage, subject4_code, subject4_name, subject4_theory_marks,
subject4_practical_marks, subject4_internal_marks, subject4_total_marks,
subject4_marks, subject4_grade, subject4_percentage, subject5_code, subject5_name,
subject5_theory_marks, subject5_practical_marks, subject5_internal_marks,
subject5_total_marks, subject5_marks, subject5_grade, subject5_percentage,
subject6_code, subject6_name, subject6_theory_marks, subject6_practical_marks,
subject6_internal_marks, subject6_total_marks, subject6_marks, subject6_grade,
subject6_percentage)
VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s,
%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s,
%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s,
%s, %s, %s, %s, %s, %s, %s, %s, %s)
ON DUPLICATE KEY UPDATE
board = VALUES(board), student_name = VALUES(student_name), uploaded_at = CURRENT_TIMESTAMP
"""
cursor.execute(query, (
user_id, data.get('board', ''), data.get('student_name'), data.get('roll_number'),
data.get('unique_id'), data.get('school_name'), data.get('school_code'),
data.get('mother_name'), data.get('father_name'),
*[subject_data[f'subject{i+1}_{field}'] for i in range(6)
for field in ['code', 'name', 'theory_marks', 'practical_marks', 'internal_marks',
'total_marks', 'marks', 'grade', 'percentage']]
))
connection.commit()
return cursor.lastrowid or 1
except Error as e:
print(f"Error saving 12th marksheet: {e}")
return None
finally:
if connection.is_connected():
cursor.close()
connection.close()
def save_college_marksheet(self, user_id: int, semester: int, data: dict) -> Optional[int]:
connection = self.config.get_connection()
if not connection:
return None
try:
cursor = connection.cursor()
college_data = data.get('college', {})
student_data = data.get('student', {})
result_data = data.get('result', {})
subjects = data.get('subjects', [])
# Prepare subject data (up to 10 subjects)
subject_data = {}
for i in range(10):
if i < len(subjects):
subject = subjects[i]
subject_data[f'subject{i+1}_code'] = subject.get('code')
subject_data[f'subject{i+1}_name'] = subject.get('name')
subject_data[f'subject{i+1}_credits'] = subject.get('credits')
subject_data[f'subject{i+1}_internal_marks'] = subject.get('internal_marks')
subject_data[f'subject{i+1}_external_marks'] = subject.get('external_marks')
subject_data[f'subject{i+1}_total_marks'] = subject.get('total')
subject_data[f'subject{i+1}_grade'] = subject.get('grade')
subject_data[f'subject{i+1}_grade_point'] = subject.get('grade_point')
else:
subject_data[f'subject{i+1}_code'] = None
subject_data[f'subject{i+1}_name'] = None
subject_data[f'subject{i+1}_credits'] = None
subject_data[f'subject{i+1}_internal_marks'] = None
subject_data[f'subject{i+1}_external_marks'] = None
subject_data[f'subject{i+1}_total_marks'] = None
subject_data[f'subject{i+1}_grade'] = None
subject_data[f'subject{i+1}_grade_point'] = None
# Build dynamic query
subject_fields = []
subject_values = []
for i in range(10):
for field in ['code', 'name', 'credits', 'internal_marks', 'external_marks', 'total_marks', 'grade', 'grade_point']:
subject_fields.append(f'subject{i+1}_{field}')
subject_values.append(subject_data[f'subject{i+1}_{field}'])
query = f"""
INSERT INTO college_marksheets
(user_id, semester, course, session, student_name, roll_no, enrollment_no,
father_name, sgpa, cgpa, total_credits_registered, total_credits_earned, status,
{', '.join(subject_fields)})
VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, {', '.join(['%s'] * len(subject_values))})
ON DUPLICATE KEY UPDATE
course = VALUES(course), student_name = VALUES(student_name), uploaded_at = CURRENT_TIMESTAMP
"""
cursor.execute(query, (
user_id, semester, college_data.get('course'), college_data.get('session'),
student_data.get('name'), student_data.get('roll_no'), student_data.get('enrollment_no'),
student_data.get('father_name'), result_data.get('sgpa'), result_data.get('cgpa'),
result_data.get('total_credits_registered'), result_data.get('total_credits_earned'),
result_data.get('status'), *subject_values
))
connection.commit()
return cursor.lastrowid or 1
except Error as e:
print(f"Error saving college marksheet: {e}")
return None
finally:
if connection.is_connected():
cursor.close()
connection.close()
def get_user_marksheets(self, user_id: int) -> dict:
connection = self.config.get_connection()
if not connection:
return {}
try:
cursor = connection.cursor(dictionary=True)
# Get 10th marksheet
cursor.execute("SELECT * FROM marksheet_10th WHERE user_id = %s", (user_id,))
marksheet_10th = cursor.fetchone()
# Get 12th marksheet
cursor.execute("SELECT * FROM marksheet_12th WHERE user_id = %s", (user_id,))
marksheet_12th = cursor.fetchone()
# Get college marksheets
cursor.execute("SELECT * FROM college_marksheets WHERE user_id = %s ORDER BY semester", (user_id,))
college_marksheets = cursor.fetchall()
return {
'marksheet_10th': marksheet_10th,
'marksheet_12th': marksheet_12th,
'college_marksheets': college_marksheets
}
except Error as e:
print(f"Error getting marksheets: {e}")
return {}
finally:
if connection.is_connected():
cursor.close()
connection.close() |