From 275ba6718a634fa7355012bda58dc3f721449c63 Mon Sep 17 00:00:00 2001
From: mfrank <m@rkusfrank.com>
Date: Sat, 18 Jan 2025 21:36:40 +0100
Subject: [PATCH] Initial Version

---
 main.py    | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 users.json |   7 ++++
 2 files changed, 114 insertions(+)
 create mode 100644 main.py
 create mode 100644 users.json

diff --git a/main.py b/main.py
new file mode 100644
index 0000000..5fdb491
--- /dev/null
+++ b/main.py
@@ -0,0 +1,107 @@
+from selenium import webdriver
+from selenium.webdriver.common.by import By
+from datetime import datetime, timedelta
+from email.mime.text import MIMEText
+from email.mime.multipart import MIMEMultipart
+from selenium.webdriver.support.wait import WebDriverWait
+from selenium.webdriver.firefox.options import Options
+import smtplib
+import time
+from dotenv import load_dotenv
+import os
+import json
+
+
+# Load environment variables from .env file
+load_dotenv()
+
+# Email Configuration from environment variables
+SMTP_SERVER = os.getenv("SMTP_SERVER")
+SMTP_PORT = int(os.getenv("SMTP_PORT"))
+EMAIL_ADDRESS = os.getenv("EMAIL_ADDRESS")
+EMAIL_PASSWORD = os.getenv("EMAIL_PASSWORD")
+
+DAYS_BEFORE = int(os.getenv("DAYS_BEFORE"))
+
+def check_date(due_date, recipient_email):
+    today = datetime.now()
+    if today <= due_date <= today + timedelta(days=DAYS_BEFORE):
+        print(f"Reminder: Book is due on {due_date}")
+
+        # Send an email reminder
+        subject = "Stadtbibliothek Radebeul - Buch bald fällig"
+        body = f"Ein Buch muss am {due_date.strftime('%d.%m.%Y')} zurückgegeben werden. Bitte zurückgeben um Gebühren zu vermeiden."
+
+        # Set up email
+        msg = MIMEMultipart()
+        msg['From'] = EMAIL_ADDRESS
+        msg['To'] = recipient_email
+        msg['Subject'] = subject
+        msg.attach(MIMEText(body, 'plain'))
+
+        # Connect to SMTP server and send email
+        with smtplib.SMTP(SMTP_SERVER, SMTP_PORT) as server:
+            server.starttls()  # Secure the connection
+            server.login(EMAIL_ADDRESS, EMAIL_PASSWORD)
+            server.send_message(msg)
+        print(f"Email sent to {recipient_email}")
+
+def check_books(user, pw, recipient_email):
+    options = Options()
+    options.add_argument("--headless")
+    driver = webdriver.Firefox(options=options)
+    try:
+        # Navigate to the login page
+        driver.get("https://webserver.sv-radebeul.de/Mediensuche-Konto/Mein-Konto")
+
+        # Wait for the page to load
+        wait = WebDriverWait(driver, 10)
+
+        # Locate username and password fields
+        username_field = driver.find_element(By.ID, "dnn_ctr355_Login_Login_COP_txtUsername")
+        password_field = driver.find_element(By.ID, "dnn_ctr355_Login_Login_COP_txtPassword")
+
+        # Enter login credentials
+        username_field.send_keys(user)
+        password_field.send_keys(pw)
+
+        # Click login button
+        login_button = driver.find_element(By.ID, "dnn_ctr355_Login_Login_COP_cmdLogin")
+        login_button.click()
+
+        # Wait for login to complete
+        time.sleep(5)
+
+        # Check if login was successful
+        if "Mein Konto" in driver.page_source:
+            print(f"Login successful for {user}!")
+            # Locate the table containing the rows
+            table = driver.find_element(By.ID, "dnn_ctr423_MainView_tpnlLoans_ucLoansView_grdViewLoans")
+            table_rows = table.find_elements(By.XPATH, "./tbody/tr")
+
+            # Loop through each row and extract the "Aktuelle Frist" date
+            for row in table_rows:
+                try:
+                    # Locate the "Aktuelle Frist" column in the current row
+                    due_date = row.find_element(By.XPATH, ".//td[span[contains(text(), 'Aktuelle Frist:')]]/span[2]")
+                    print(f"Aktuelle Frist for {user}: {due_date.text}")
+                    check_date(datetime.strptime(due_date.text, "%d.%m.%Y"), recipient_email)
+                except Exception as e:
+                    print(f"Could not extract 'Aktuelle Frist' date for a row: {e}")
+        else:
+            print(f"Login failed for {user}. Please check the credentials or the page structure.")
+    finally:
+        # Close the browser
+        driver.quit()
+
+if __name__ == '__main__':
+    # Load user credentials from JSON file
+    with open("users.json", "r") as file:
+        users = json.load(file)
+
+    # Iterate over all users
+    for user_data in users:
+        username = user_data["username"]
+        password = user_data["password"]
+        recipient_email = user_data["recipient_email"]
+        check_books(username, password, recipient_email)
diff --git a/users.json b/users.json
new file mode 100644
index 0000000..fac8804
--- /dev/null
+++ b/users.json
@@ -0,0 +1,7 @@
+[
+    {
+        "username": "USER",
+        "password": "PWD",
+        "recipient_email": "info@familie-frank.email"
+    }
+]