change the scheduler interval stuff

.dockerignore

@@ -0,0 +1,7 @@
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+.env
+venv/
+.git/

.gitignore

@@ -1,2 +1,4 @@
 .env
-shifts.db
+shifts.db
+
+__pycache__

API.py

@@ -0,0 +1,161 @@
+from flask import Flask, Response
+from icalendar import Calendar, Event
+from datetime import datetime
+import pytz
+import uuid
+
+
+class Webserver:
+    def __init__(self, ip, port, db_instance):
+        self.ip = ip
+        self.port = port
+        self.db = db_instance
+
+        self.app = Flask(__name__)
+        self.tz = pytz.timezone("Europe/Amsterdam")
+
+        self._register_routes()
+
+    def _register_routes(self):
+        self.app.add_url_rule("/", "index", lambda: "Calendar server running ✅")
+        self.app.add_url_rule("/calendar.ics", "calendar", self._calendar_endpoint)
+
+    def _fetch_shifts(self):
+        con = self.db._get_connection()
+        cur = con.cursor()
+
+        cur.execute("""
+            SELECT shift_start, shift_end, department, description
+            FROM shifts
+            ORDER BY shift_start ASC
+        """)
+
+        rows = cur.fetchall()
+        con.close()
+
+        shifts = []
+        for row in rows:
+            start_str, end_str, department, description = row
+
+            # Convert string → datetime
+            start = self._parse_datetime(start_str)
+            end = self._parse_datetime(end_str)
+
+            shifts.append({
+                "start": start,
+                "end": end,
+                "description": f"{description} ",
+                "department": f"{department} "
+            })
+
+        return shifts
+
+    def _parse_datetime(self, dt_str):
+        dt = datetime.fromisoformat(dt_str)
+        if dt.tzinfo is None:
+            dt = self.tz.localize(dt)
+        return dt
+
+    def _calendar_endpoint(self):
+        cal = Calendar()
+        cal.add('prodid', '-//Shift Calendar//example//')
+        cal.add('version', '2.0')
+
+        shifts = self._fetch_shifts()
+
+        for shift in shifts:
+            event = Event()
+            event.add('uid', str(uuid.uuid4()))
+            event.add('dtstart', shift["start"])
+            event.add('dtend', shift["end"])
+            event.add('summary', shift["department"])
+            event.add('description', shift["description"])
+            event.add('dtstamp', datetime.now(tz=self.tz))
+
+            cal.add_component(event)
+
+        return Response(cal.to_ical(), mimetype="text/calendar")
+
+    def run(self):
+        print(f"🚀 Starting server on {self.ip}:{self.port}")
+        from flask import Flask, Response
+from icalendar import Calendar, Event
+from datetime import datetime
+import pytz
+import uuid
+
+
+class Webserver:
+    def __init__(self, ip, port, db_instance):
+        self.ip = ip
+        self.port = port
+        self.db = db_instance
+
+        self.app = Flask(__name__)
+        self.tz = pytz.timezone("Europe/Amsterdam")
+
+        self._register_routes()
+
+    def _register_routes(self):
+        self.app.add_url_rule("/", "index", lambda: "Calendar server running ✅")
+        self.app.add_url_rule("/calendar.ics", "calendar", self._calendar_endpoint)
+
+    def _fetch_shifts(self):
+        con = self.db._get_connection()
+        cur = con.cursor()
+
+        cur.execute("""
+            SELECT shift_start, shift_end, department, description
+            FROM shifts
+            ORDER BY shift_start ASC
+        """)
+
+        rows = cur.fetchall()
+        con.close()
+
+        shifts = []
+        for row in rows:
+            start_str, end_str, department, description = row
+
+            # Convert string → datetime
+            start = self._parse_datetime(start_str)
+            end = self._parse_datetime(end_str)
+
+            shifts.append({
+                "start": start,
+                "end": end,
+                "description": f"{description} ",
+                "department": f"{department} "
+            })
+
+        return shifts
+
+    def _parse_datetime(self, dt_str):
+        dt = datetime.fromisoformat(dt_str)
+        if dt.tzinfo is None:
+            dt = self.tz.localize(dt)
+        return dt
+
+    def _calendar_endpoint(self):
+        cal = Calendar()
+        cal.add('prodid', '-//Shift Calendar//example//')
+        cal.add('version', '2.0')
+
+        shifts = self._fetch_shifts()
+
+        for shift in shifts:
+            event = Event()
+            event.add('uid', str(uuid.uuid4()))
+            event.add('dtstart', shift["start"])
+            event.add('dtend', shift["end"])
+            event.add('summary', shift["department"])
+            event.add('description', shift["description"])
+            event.add('dtstamp', datetime.now(tz=self.tz))
+
+            cal.add_component(event)
+
+        return Response(cal.to_ical(), mimetype="text/calendar")
+
+    def run(self):
+        print(f"🚀 Starting server on {self.ip}:{self.port}")
+        self.app.run(host=self.ip, port=self.port, threaded=True)

DB.py

@@ -3,13 +3,17 @@ import sqlite3
 
 class Database:
     def __init__(self):
-        self._con = sqlite3.connect("shifts.db")
+        self.db_path = "data/shifts.db"
         self._setup_tables() 
         pass
-    
+
+    def _get_connection(self):
+        return sqlite3.connect(self.db_path)
 
     def _setup_tables(self):
-        cur = self._con.cursor()
+        # create the shifts table.
+        con = self._get_connection()
+        cur = con.cursor()
         cur.execute('''
         CREATE TABLE IF NOT EXISTS shifts (
             id INTEGER PRIMARY KEY AUTOINCREMENT,
@@ -23,14 +27,18 @@ class Database:
             UNIQUE(shift_start, department)  -- No duplicates
         );
         ''')
-        self._con.commit()
+        con.commit()
+        con.close()
 
 
     def insert_shifts(self, shifts):
-        cur = self._con.cursor()
+        # start db connection
+        con = self._get_connection()
+        cur = con.cursor()
         inserted = 0
 
         for shift in shifts:
+            # parse all information from the shift
             start = shift.get('start_datetime', 'N/A')
             end = shift.get('end_datetime', 'N/A')
 
@@ -38,6 +46,7 @@ class Database:
             duration = shift.get('duration', 'N/A')
             description = shift.get('shift_remark', shift.get('description', 'N/A'))
             
+            # insert it into the db.
             cur.execute("""
                 INSERT OR IGNORE INTO shifts 
                 (shift_start, shift_end, department, duration, description)
@@ -47,6 +56,14 @@ class Database:
             if cur.rowcount > 0:
                 inserted += 1
     
-        self._con.commit()
+        con.commit()
+        con.close()
         print(f"✅ Inserted {inserted}/{len(shifts)} new shifts")
             
+    def delete_future_shifts(self):
+        con = self._get_connection()
+        cur = con.cursor()
+        cur.execute("DELETE FROM shifts WHERE shift_start > current_timestamp")
+        con.commit()
+        con.close()
+        print(f"✅ Deleted all future shifts")

Dockerfile

@@ -0,0 +1,19 @@
+FROM python:3.13-slim
+
+WORKDIR /app
+
+ENV PYTHONUNBUFFERED=1
+
+RUN apt-get update && apt-get install -y \
+    gcc \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+EXPOSE 8080
+
+CMD ["python", "main.py"]

PMT.py

@@ -15,7 +15,6 @@ class PMT:
         self.base_url = os.environ.get("URL_PMT")
 
     def get_week_range(self, week_offset):
-        """Get Monday date for week_offset weeks from now"""
         today = datetime.now()
         days_to_monday = 0 if today.weekday() == 0 else 7 - today.weekday()
         monday = today + timedelta(days=days_to_monday)
@@ -23,12 +22,13 @@ class PMT:
         return target_monday.strftime("%Y-%m-%d")
 
     def login(self):
+
         self.session = requests.Session()
         
         login_url = f"{self.base_url}/login"
         resp = self.session.get(login_url)
         
-        # Step 2: SSO login POST
+        # SSO login POST
         sso_data = {
             "username": self._username,
             "password": self._password,
@@ -44,23 +44,29 @@ class PMT:
                                    json=sso_data,
                                    headers={'Content-Type': 'application/json'})
         
+
+        # Check if it succeeded.
         if sso_resp.status_code != 200 or not sso_resp.json().get('result', {}).get('authenticated'):
             print("Login failed!")
             print(sso_resp.text)
             sys.exit(1)
         
+        # Store the useful information in some class fields
         login_data = sso_resp.json()['result']
         self.context_token = login_data['context_token']
         self.user_token = login_data['user_token']
         
-        print(f"✅ Logged in as {self._username} (store AH 8541 Rhoon)")
+        # return session info
+        print(f"✅ Logged in as {self._username}")
         return self.session, self.context_token, self.user_token
 
     def get_shifts(self, days_ahead=14):
-        """Fetch shifts from now to days_ahead using the REAL endpoint"""
+        # raise if not logged in.
         if not self.session or not self.context_token or not self.user_token:
             raise ValueError("Must call login() first!")
-            
+
+
+        # define date ranges    
         shifts = []
         
         from_date = datetime.now().strftime("%Y-%m-%d")
@@ -68,6 +74,7 @@ class PMT:
         
         print(f"Fetching shifts from {from_date} to {to_date}...")
         
+        # send request for shifts
         headers = {
             'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:148.0) Gecko/20100101 Firefox/148.0',
             'Accept': 'application/json, text/plain, */*',
@@ -90,7 +97,9 @@ class PMT:
         }
         
         resp = self.session.get(shifts_url, headers=headers, params=params)
-        
+
+
+        # check if request succeeded
         if resp.status_code == 200:
             data = resp.json()
             week_shifts = data.get('result', {}).get('shift_instances', [])
@@ -100,16 +109,16 @@ class PMT:
             print(f"❌ Failed: {resp.status_code}")
             print(resp.text[:500])
         
+        # return all shifts fetched
         return shifts
 
     @classmethod
     def print_shifts(cls, shifts):
-        """Pretty print shifts (class method since it doesn't need instance)"""
         if not shifts:
             print("No upcoming shifts found.")
             return
         
-        print("\n📅 UPCOMING SHIFTS:\n")
+        print("\nUPCOMING SHIFTS:\n")
         print("Date       | Time          | Dept        | Duration | Description")
         print("-" * 80)
         

docker-compose.yml

@@ -0,0 +1,17 @@
+services:
+  app:
+    build: .
+    container_name: pmt
+    ports:
+      - "8080:8080"
+    restart: unless-stopped
+    networks:
+      - proxy-network
+    volumes:
+      - "./data:/app/data"
+    env_file:
+      - .env
+
+networks:
+  proxy-network:
+    external: true

main.py

@@ -1,24 +1,55 @@
 from PMT import PMT
 from DB import Database
+from API import Webserver
 from dotenv import load_dotenv
+from time import sleep
 import os
+from apscheduler.schedulers.background import BackgroundScheduler
+
+def update_shifts(pmt, db):
+    try:
+        print("🔄 Updating shifts...")
+
+        pmt.login()
+
+        days_ahead = int(os.environ.get("DAYS_TO_FETCH", 14))
+        shifts = pmt.get_shifts(days_ahead)
+
+        db.delete_future_shifts()
+        db.insert_shifts(shifts)
+
+        print("✅ Shift update complete")
+
+    except Exception as e:
+        print(f"❌ Error updating shifts: {e}")
+
+
 
 def main():
+    # Load the environment
     load_dotenv(override=True)
 
+
+    # Set up database, webserver and PMT connection
     db = Database()
     pmt = PMT()
+    webserver = Webserver("0.0.0.0", 8080, db)
+
+    # update the shifts on boot
+    update_shifts(pmt, db)
 
 
-    pmt.login()
+    # Every hour at minute 0 
+    scheduler = BackgroundScheduler(timezone="Europe/Amsterdam")
+    scheduler.add_job(
+        lambda: update_shifts(pmt, db),
+        trigger="interval",
+        hours=1,
+        next_run_time=datetime.now()
+    )
+    scheduler.start()
 
-    days_ahead = int(os.environ.get("DAYS_TO_FETCH"))
-    shifts = pmt.get_shifts(days_ahead)
-    PMT.print_shifts(shifts)
+    webserver.run()
 
-    db.insert_shifts(shifts)
-    
-    print(f"\nFound {len(shifts)} shifts total.")
-    
 if __name__ == "__main__":
     main()

requirements.txt

@@ -0,0 +1,6 @@
+Flask
+icalendar
+pytz
+python-dotenv
+APScheduler
+requests