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import mysql.connector
from mysql.connector import Error
import logging
from datetime import datetime
import json
import uuid
import os
from PIL import Image
class DatabaseManager:
"""Database operations manager for SmartHeal application"""
def __init__(self, mysql_config):
"""Initialize database manager with MySQL configuration"""
self.mysql_config = mysql_config
self.test_connection()
def test_connection(self):
"""Test database connection"""
try:
connection = self.get_connection()
if connection:
connection.close()
logging.info("✅ Database connection successful")
else:
logging.error("❌ Database connection failed")
except Exception as e:
logging.error(f"Database connection test failed: {e}")
def get_connection(self):
"""Get a database connection"""
try:
connection = mysql.connector.connect(**self.mysql_config)
return connection
except Error as e:
logging.error(f"Error connecting to MySQL: {e}")
return None
def execute_query(self, query, params=None, fetch=False):
"""Execute a query and return results if fetch=True"""
connection = self.get_connection()
if not connection:
return None
cursor = None
try:
cursor = connection.cursor(dictionary=True)
cursor.execute(query, params or ())
if fetch:
result = cursor.fetchall()
else:
connection.commit()
result = cursor.rowcount
return result
except Error as e:
logging.error(f"Error executing query: {e}")
if connection:
connection.rollback()
return None
finally:
if cursor:
cursor.close()
if connection and connection.is_connected():
connection.close()
def execute_query_one(self, query, params=None):
"""Execute a query and return one result"""
connection = self.get_connection()
if not connection:
return None
cursor = None
try:
cursor = connection.cursor(dictionary=True)
cursor.execute(query, params or ())
result = cursor.fetchone()
return result
except Error as e:
logging.error(f"Error executing query: {e}")
return None
finally:
if cursor:
cursor.close()
if connection and connection.is_connected():
connection.close()
def create_tables(self):
"""Create all required database tables"""
tables = {
"users": """
CREATE TABLE IF NOT EXISTS users (
id INT AUTO_INCREMENT PRIMARY KEY,
username VARCHAR(50) UNIQUE NOT NULL,
email VARCHAR(100) UNIQUE NOT NULL,
password VARCHAR(255) NOT NULL,
name VARCHAR(100) NOT NULL,
role ENUM('practitioner', 'organization') NOT NULL,
org INT NULL,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
last_login TIMESTAMP NULL,
is_active BOOLEAN DEFAULT TRUE,
INDEX idx_username (username),
INDEX idx_email (email),
INDEX idx_role (role)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
""",
"organizations": """
CREATE TABLE IF NOT EXISTS organizations (
id INT AUTO_INCREMENT PRIMARY KEY,
name VARCHAR(200) NOT NULL,
email VARCHAR(100) UNIQUE NOT NULL,
phone VARCHAR(20),
country_code VARCHAR(10),
department VARCHAR(100),
location VARCHAR(200),
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
is_active BOOLEAN DEFAULT TRUE,
INDEX idx_name (name),
INDEX idx_email (email)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
""",
"questionnaires": """
CREATE TABLE IF NOT EXISTS questionnaires (
id INT AUTO_INCREMENT PRIMARY KEY,
user_id INT NOT NULL,
patient_name VARCHAR(100) NOT NULL,
patient_age INT,
patient_gender ENUM('Male', 'Female', 'Other'),
wound_location VARCHAR(200),
wound_duration VARCHAR(100),
pain_level INT DEFAULT 0,
previous_treatment TEXT,
medical_history TEXT,
medications TEXT,
allergies TEXT,
additional_notes TEXT,
moisture_level VARCHAR(50),
infection_signs VARCHAR(50),
diabetic_status VARCHAR(50),
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
INDEX idx_user_id (user_id),
INDEX idx_patient_name (patient_name),
INDEX idx_created_at (created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
""",
"wound_images": """
CREATE TABLE IF NOT EXISTS wound_images (
id INT AUTO_INCREMENT PRIMARY KEY,
questionnaire_id INT NOT NULL,
image_url VARCHAR(500) NOT NULL,
original_filename VARCHAR(255),
file_size INT,
image_width INT,
image_height INT,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
INDEX idx_questionnaire_id (questionnaire_id),
INDEX idx_created_at (created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
""",
"ai_analyses": """
CREATE TABLE IF NOT EXISTS ai_analyses (
id INT AUTO_INCREMENT PRIMARY KEY,
questionnaire_id INT NOT NULL,
image_id INT,
analysis_data TEXT,
summary TEXT,
recommendations TEXT,
risk_score INT DEFAULT 0,
risk_level ENUM('Low', 'Moderate', 'High', 'Unknown') DEFAULT 'Unknown',
wound_type VARCHAR(100),
wound_dimensions VARCHAR(100),
processing_time DECIMAL(5,2),
model_version VARCHAR(50),
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
INDEX idx_questionnaire_id (questionnaire_id),
INDEX idx_risk_level (risk_level),
INDEX idx_created_at (created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
""",
"analysis_sessions": """
CREATE TABLE IF NOT EXISTS analysis_sessions (
id INT AUTO_INCREMENT PRIMARY KEY,
user_id INT NOT NULL,
questionnaire_id INT NOT NULL,
image_id INT,
analysis_id INT,
session_duration DECIMAL(5,2),
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
INDEX idx_user_id (user_id),
INDEX idx_created_at (created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
"""
}
for table_name, table_sql in tables.items():
try:
result = self.execute_query(table_sql)
if result is not None:
logging.info(f"Table '{table_name}' created or already exists")
except Exception as e:
logging.error(f"Error creating table '{table_name}': {e}")
def save_questionnaire(self, questionnaire_data):
"""
Save questionnaire response using the default questionnaire.
This fixes the foreign key constraint issue by using an existing questionnaire ID.
"""
connection = None
cursor = None
try:
connection = self.get_connection()
if not connection:
return None
cursor = connection.cursor()
# (1) Create or get patient
patient_id = self._create_or_get_patient(cursor, questionnaire_data)
if not patient_id:
raise Exception("Failed to get or create patient")
# (2) Get default questionnaire ID
cursor.execute("SELECT id FROM questionnaires WHERE name = 'Default Patient Assessment' LIMIT 1")
questionnaire_row = cursor.fetchone()
if not questionnaire_row:
# Create default questionnaire if it doesn't exist
cursor.execute("""
INSERT INTO questionnaires (name, description, created_at)
VALUES ('Default Patient Assessment', 'Standard patient wound assessment form', NOW())
""")
connection.commit()
questionnaire_id = cursor.lastrowid
else:
questionnaire_id = questionnaire_row[0]
# (3) Prepare response_data JSON
response_data = {
'patient_info': {
'name': questionnaire_data['patient_name'],
'age': questionnaire_data['patient_age'],
'gender': questionnaire_data['patient_gender']
},
'wound_details': {
'location': questionnaire_data['wound_location'],
'duration': questionnaire_data['wound_duration'],
'pain_level': questionnaire_data['pain_level'],
'moisture_level': questionnaire_data['moisture_level'],
'infection_signs': questionnaire_data['infection_signs'],
'diabetic_status': questionnaire_data['diabetic_status']
},
'medical_history': {
'previous_treatment': questionnaire_data['previous_treatment'],
'medical_history': questionnaire_data['medical_history'],
'medications': questionnaire_data['medications'],
'allergies': questionnaire_data['allergies'],
'additional_notes': questionnaire_data['additional_notes']
}
}
# (4) Insert into questionnaire_responses with correct foreign key
insert_resp = """
INSERT INTO questionnaire_responses
(questionnaire_id, patient_id, practitioner_id, response_data, submitted_at)
VALUES (%s, %s, %s, %s, %s)
"""
cursor.execute(insert_resp, (
questionnaire_id, # Use the existing questionnaire ID
patient_id,
questionnaire_data['user_id'],
json.dumps(response_data),
datetime.now()
))
response_id = cursor.lastrowid
connection.commit()
logging.info(f"✅ Saved response ID {response_id} for questionnaire {questionnaire_id}")
return response_id
except Exception as e:
logging.error(f"❌ Error saving questionnaire: {e}")
if connection:
connection.rollback()
return None
finally:
if cursor:
cursor.close()
if connection:
connection.close()
def _create_or_get_patient(self, cursor, questionnaire_data):
"""Create or get existing patient record"""
try:
# Check if patient exists
select_query = """
SELECT id FROM patients
WHERE name = %s AND age = %s AND gender = %s
"""
cursor.execute(select_query, (
questionnaire_data['patient_name'],
questionnaire_data['patient_age'],
questionnaire_data['patient_gender']
))
existing_patient = cursor.fetchone()
if existing_patient:
return existing_patient[0]
# Create new patient
import uuid
insert_query = """
INSERT INTO patients (
uuid, name, age, gender, illness, allergy, notes, created_at
) VALUES (%s, %s, %s, %s, %s, %s, %s, %s)
"""
patient_uuid = str(uuid.uuid4())
cursor.execute(insert_query, (
patient_uuid,
questionnaire_data['patient_name'],
questionnaire_data['patient_age'],
questionnaire_data['patient_gender'],
questionnaire_data.get('medical_history', ''),
questionnaire_data.get('allergies', ''),
questionnaire_data.get('additional_notes', ''),
datetime.now()
))
return cursor.lastrowid
except Exception as e:
logging.error(f"Error creating/getting patient: {e}")
return None
def _create_wound_record(self, cursor, patient_id, questionnaire_data):
"""Create wound record"""
try:
import uuid
wound_uuid = str(uuid.uuid4())
query = """
INSERT INTO wounds (
uuid, patient_id, position, category, moisture, infection,
notes, created_at
) VALUES (%s, %s, %s, %s, %s, %s, %s, %s)
"""
cursor.execute(query, (
wound_uuid,
str(patient_id),
questionnaire_data.get('wound_location', ''),
'Assessment', # Default category
questionnaire_data.get('moisture_level', ''),
questionnaire_data.get('infection_signs', ''),
questionnaire_data.get('additional_notes', ''),
datetime.now()
))
return cursor.lastrowid
except Exception as e:
logging.error(f"Error creating wound record: {e}")
return None
def save_wound_image(self, patient_id, image):
"""Save wound image to filesystem and database"""
try:
import uuid
import os
# Generate unique filename
image_id = str(uuid.uuid4())
filename = f"wound_{image_id}.jpg"
file_path = os.path.join("uploads", filename)
# Ensure uploads directory exists
os.makedirs("uploads", exist_ok=True)
# Save image to disk
if hasattr(image, 'save'):
image.save(file_path, format='JPEG', quality=95)
# Get image dimensions
width, height = image.size
# Save to database using proper wound_images table structure
query = """
INSERT INTO wound_images (
uuid, patient_id, image, width, height, created_at
) VALUES (%s, %s, %s, %s, %s, %s)
"""
params = (
str(uuid.uuid4()),
str(patient_id),
file_path,
str(width),
str(height),
datetime.now()
)
connection = self.get_connection()
if not connection:
return None
try:
cursor = connection.cursor()
cursor.execute(query, params)
connection.commit()
image_db_id = cursor.lastrowid
logging.info(f"Image saved with ID: {image_db_id}")
return {
'id': image_db_id,
'filename': filename,
'path': file_path
}
except Error as e:
logging.error(f"Error saving image to database: {e}")
connection.rollback()
return None
finally:
cursor.close()
connection.close()
else:
logging.error("Invalid image object")
return None
except Exception as e:
logging.error(f"Image save error: {e}")
return None
def save_analysis(self, questionnaire_id, image_id, analysis_data):
"""Save AI analysis results to database"""
try:
query = """
INSERT INTO ai_analyses (
questionnaire_id, image_id, analysis_data, summary,
recommendations, risk_score, risk_level, wound_type,
wound_dimensions, processing_time, model_version, created_at
) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
"""
params = (
questionnaire_id,
image_id,
json.dumps(analysis_data) if analysis_data else None,
analysis_data.get('summary', ''),
analysis_data.get('recommendations', ''),
analysis_data.get('risk_score', 0),
analysis_data.get('risk_level', 'Unknown'),
analysis_data.get('wound_type', ''),
analysis_data.get('wound_dimensions', ''),
analysis_data.get('processing_time', 0.0),
analysis_data.get('model_version', 'v1.0'),
datetime.now()
)
connection = self.get_connection()
if not connection:
return None
try:
cursor = connection.cursor()
cursor.execute(query, params)
connection.commit()
analysis_id = cursor.lastrowid
logging.info(f"Analysis saved with ID: {analysis_id}")
return analysis_id
except Error as e:
logging.error(f"Error saving analysis: {e}")
connection.rollback()
return None
finally:
cursor.close()
connection.close()
except Exception as e:
logging.error(f"Analysis save error: {e}")
return None
def get_user_history(self, user_id):
"""Get user's analysis history"""
try:
query = """
SELECT
q.patient_name,
q.wound_location,
q.created_at,
a.risk_level,
a.summary,
a.recommendations
FROM questionnaires q
LEFT JOIN ai_analyses a ON q.id = a.questionnaire_id
WHERE q.user_id = %s
ORDER BY q.created_at DESC
LIMIT 20
"""
result = self.execute_query(query, (user_id,), fetch=True)
return result or []
except Exception as e:
logging.error(f"Error fetching user history: {e}")
return []
def get_organizations(self):
"""Get list of all organizations"""
try:
query = "SELECT id, name as org_name, location FROM organizations ORDER BY name"
result = self.execute_query(query, fetch=True)
return result or [{'id': 1, 'org_name': 'Default Hospital', 'location': 'Default Location'}]
except Exception as e:
logging.error(f"Error getting organizations: {e}")
return [{'id': 1, 'org_name': 'Default Hospital', 'location': 'Default Location'}]
def create_organization(self, org_data):
"""Create a new organization"""
try:
query = """INSERT INTO organizations (name, email, phone, country_code, department, location, created_at)
VALUES (%s, %s, %s, %s, %s, %s, %s)"""
params = (
org_data.get('org_name', ''),
org_data.get('email', ''),
org_data.get('phone', ''),
org_data.get('country_code', ''),
org_data.get('department', ''),
org_data.get('location', ''),
datetime.now()
)
result = self.execute_query(query, params)
if result:
# Get the created organization ID
org_id = self.execute_query_one(
"SELECT id FROM organizations WHERE name = %s ORDER BY created_at DESC LIMIT 1",
(org_data.get('org_name', ''),)
)
return org_id['id'] if org_id else None
return None
except Exception as e:
logging.error(f"Error creating organization: {e}")
return None
def save_analysis_result(self, questionnaire_id, analysis_result):
"""Save analysis result to database"""
try:
query = """INSERT INTO ai_analyses (questionnaire_id, analysis_data, summary, created_at)
VALUES (%s, %s, %s, %s)"""
params = (
questionnaire_id,
json.dumps(analysis_result) if analysis_result else None,
analysis_result.get('summary', 'Analysis completed'),
datetime.now()
)
result = self.execute_query(query, params)
return result
except Exception as e:
logging.error(f"Error saving analysis result: {e}")
return None |