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app.py
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app.py
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from flask import Flask, render_template, request, redirect, session, flash
from flask_login import LoginManager, login_user, logout_user, login_required, current_user
from datetime import datetime
from apscheduler.schedulers.background import BackgroundScheduler
from models import db, Recipient, User
from forms import LoginForm, TemplateEditorForm, RegisterForm, FileUploadForm, EditUserForm
from config import gmail_user, gmail_password
import smtplib
import struct
import pandas as pd
import time
import auth
app = Flask(__name__)
app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///recipients.db"
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
app.secret_key = 'secret_key'
db.init_app(app)
login_manager = LoginManager()
login_manager.init_app(app)
scheduler = BackgroundScheduler()
@app.route("/")
@login_required
def index():
return render_template("index.html")
@app.route("/create", methods=["GET", "POST"])
@login_required
def create():
form = TemplateEditorForm()
if form.validate_on_submit():
template = {"subject": form.subject.data, "body": form.body.data}
session['template'] = template
return redirect("/preview")
return render_template("create.html", form=form)
@app.route("/preview")
@login_required
def preview():
template = session.get('template', None)
return render_template("preview.html", template=template)
@app.route("/upload", methods=["GET", "POST"])
@login_required
def upload():
form = FileUploadForm()
if form.validate_on_submit():
file = form.file.data
if file:
df = pd.read_excel(file)
for i in range(len(df)):
name = df.iloc[i]['Name']
email = df.iloc[i]['Email']
priority = df.iloc[i]['Priority']
recipient = Recipient(
name=name, email=email, priority=priority)
db.session.add(recipient)
db.session.commit()
return redirect("/")
return render_template("upload.html", form=form)
@app.route("/register", methods=["GET", "POST"])
def register():
form = RegisterForm()
if request.method == "POST":
if form.validate_on_submit():
email = form.email.data
password = form.password.data
confirm_password = form.confirm_password.data
auth.register(email, password, confirm_password)
return redirect("/login")
return render_template("register.html", form=form)
@app.route("/login", methods=["GET", "POST"])
def login():
form = LoginForm()
if request.method == "POST":
if form.validate_on_submit():
email = form.email.data
password = form.password.data
user = auth.authenticate(email, password)
if user and user.is_active:
login_user(user)
return redirect("/")
else:
return "Invalid credentials or account is inactive"
return render_template("login.html", form=form)
@app.route("/send", methods=["GET", "POST"])
@login_required
def send():
template = session.get('template', None)
if template is None:
# or some other appropriate action
flash("Error: Email template not found in session. Please create a template first.")
return redirect("/create")
subject = template['subject']
body = template['body']
recipients = Recipient.query.order_by(Recipient.priority.asc()).all()
try:
server = smtplib.SMTP('smtp.gmail.com', 587)
server.starttls()
server.login(gmail_user, gmail_password)
for recipient in recipients:
message = f'Subject: {subject}\n\n{body}'
server.sendmail(gmail_user, recipient.email, message)
priority = struct.unpack('<q', recipient.priority)[0]
print(
f'Email sent to {recipient.email} with priority {priority}')
server.close()
except Exception as e:
print(f'An error occurred: {e}')
return redirect("/")
@app.route("/schedule", methods=["GET", "POST"])
@login_required
def schedule():
# Handle GET requests to display the schedule form
if request.method == "GET":
return render_template("schedule.html")
# Handle POST requests to schedule the emails
elif request.method == "POST":
# Retrieve the scheduled time from the form
scheduled_time = datetime.strptime(request.form.get('scheduled_time'), '%Y-%m-%d %H:%M:%S')
# Schedule the emails to be sent at the specified time
schedule_emails(scheduled_time)
# Redirect the user to the home page
return redirect("/")
def schedule_emails(scheduled_time):
# Get the template and recipient information
template = session.get('template', None)
if template is None:
flash("Error: Email template not found in session. Please create a template first.")
return redirect("/create")
subject = template['subject']
body = template['body']
recipients = Recipient.query.order_by(Recipient.priority.asc()).all()
try:
scheduler.add_job(send, 'date', run_date=scheduled_time,
args=[subject, body, recipients])
scheduler.start()
except:
flash("Error: Failed to schedule the emails. Please try again.")
return redirect("/")
flash("Emails scheduled successfully!")
return redirect("/")
@app.route("/users")
@login_required
def display_users():
users = User.query.all()
return render_template("users.html", users=users)
@app.route("/edit_user/<user_id>", methods=["GET", "POST"])
@login_required
def edit_user(user_id):
user = User.query.get(user_id)
form = EditUserForm()
if form.validate_on_submit():
user.name = form.name.data
user.email = form.email.data
user.password = form.password.data
db.session.commit()
return redirect("/users")
return render_template("edit_user.html", form=form, user=user)
@app.route("/logout")
@login_required
def logout():
logout_user()
return redirect("/login")
@login_manager.user_loader
def load_user(user_id):
return User.query.get(user_id)
login_manager.login_view = "login"
if __name__ == "__main__":
app.run(debug=True)
while True:
schedule.run_pending()
time.sleep(1)