[add]: send email in base service

JUNK/send_report.py

@@ -0,0 +1,15 @@
+from flask import Flask
+from app.extensions import mail
+from app.utils.mail import send_report_email, get_report_data
+from app.config import settings
+
+app = Flask(__name__)
+app.config.from_object(settings)
+
+mail.init_app(app)
+
+with app.app_context():
+    report_data = get_report_data()
+    recipients = ["vdagbue@gmail.com"]
+    result = send_report_email(report_data, recipients)
+    print(result)

app/__init__.py

@@ -1,4 +1,5 @@
 from flask import Flask
+from flask_mail import Mail
 import os
 from flask_swagger_ui import get_swaggerui_blueprint
 from flask_cors import CORS
@@ -7,7 +8,7 @@ from app.api.routes import api
 from app.errors import register_error_handlers
 from flask_sqlalchemy import SQLAlchemy
 from flask_migrate import Migrate
-from app.extensions import db, migrate
+from app.extensions import db, migrate, mail
 from flask_jwt_extended import (
     JWTManager,
     jwt_required,
@@ -47,6 +48,9 @@ def create_app():
 
     from . import models
 
+    # Initialize Flask-Mail
+    mail.init_app(app)
+
     # Database and Migrations
     db.init_app(app)
 

app/api/services/base_service.py

@@ -4,6 +4,7 @@ from flask import jsonify
 from marshmallow import ValidationError
 import logging
 from app.api.integrations import KafkaIntegration
+from app.utils.mail import send_report_email, get_report_data
 
 logger = logging.getLogger(__name__)
 
@@ -173,3 +174,6 @@ class BaseService:
        # return {"rate": 0, "fee": 0, "due_days": 0}
 
 
+    @classmethod
+    def send_mail(cls, report_data, recipients):
+            send_report_email(report_data, recipients)

app/config.py

@@ -85,7 +85,15 @@ class Config:
         "salarypaymenT_6"
     ]
 
-
+    MAIL_SERVER = os.getenv('MAIL_SERVER','smtp.zoho.com')
+    MAIL_PORT = 587
+    MAIL_USERNAME = os.getenv('MAIL_USERNAME', 'firstadvance@dynamikservices.tech')
+    MAIL_PASSWORD = os.getenv('MAIL_PASSWORD')
+    MAIL_USE_TLS = True
+    MAIL_USE_SSL = False
+    MAIL_DEFAULT_SENDER = ('FirstAdvance', 'firstadvance@dynamikservices.tech')
+    MAIL_RECEIVER= os.getenv('MAIL_RECEIVER', 'vdagbue@gmail.com')
+   
 
 
 settings = Config()

app/extensions.py

@@ -1,5 +1,7 @@
 from flask_sqlalchemy import SQLAlchemy
 from flask_migrate import Migrate
+from flask_mail import Mail
 
+mail = Mail()
 db = SQLAlchemy()
 migrate = Migrate()

app/utils/mail.py

@@ -0,0 +1,40 @@
+from flask_mail import Message
+from flask import current_app
+from app.extensions import mail
+import pandas as pd
+from io import BytesIO
+
+def get_report_data():
+    """
+    Fetch and return loan summary data.
+    """
+    return [
+        {"Type": "Disbursement", "Count": 45},
+        {"Type": "Repayment", "Count": 32},
+    ]
+def send_report_email(report_data: list, recipients: list):
+    """
+    Sends an HTML + Excel report to the given email recipients.
+    """
+    df = pd.DataFrame(report_data)
+    output = BytesIO()
+    df.to_excel(output, index=False)
+    output.seek(0)
+
+    html_table = df.to_html(index=False, border=1)
+
+    msg = Message(
+        subject="Loan Report Summary",
+        recipients=recipients,
+        html=f"<h3>Loan Report Summary</h3>{html_table}",
+    )
+    msg.attach(
+        "loan_report.xlsx",
+        "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+        output.read()
+    )
+
+    with current_app.app_context():
+        mail.send(msg)
+
+    return "Report email sent"

requirements.txt

@@ -40,3 +40,6 @@ confluent-kafka==1.9.2
 
 python-dateutil
 
+Flask-Mail==0.10.0
+pandas==2.1.3
+openpyxl==3.1.5