Prepare to send E-mail notifications

src/server/BreCal/services/schedule_routines.py

@@ -6,6 +6,7 @@ from BreCal.database.update_database import evaluate_shipcall_state
 from BreCal.database.sql_queries import create_sql_query_shipcall_get
 from BreCal.database.sql_queries import SQLQuery
 from BreCal.database.sql_utils import get_notification_for_shipcall_and_type
+from BreCal.services.email_handling import EmailHandler
 
 import threading
 import schedule
@@ -66,6 +67,74 @@ def UpdateNotifications():
     except Exception as ex:
         logging.error(ex)
 
+def SendNotifications():
+    # perhaps this will be moved somewhere else later
+    try:
+        # find all notifications in level 1
+        pooledConnection = getPoolConnection()
+        query = "SELECT * from notification WHERE level = 1"
+        commands = pydapper.using(pooledConnection)
+        data = commands.query(query, model=model.Notification)
+        if len(data) == 0:
+            return
+
+        # cache participants and users for performance beforehand
+        query = "SELECT * from participant";
+        participants = commands.query(query, model=model.Participant)
+
+        email_dict = dict()
+        users_dict = dict()
+        user_query = "SELECT * from user"
+        users = commands.query(user_query, model=model.User)
+        for participant in participants:
+            for user in users:
+                if user.participant_id == participant.id:
+                    if not participant.id in users_dict:
+                        users_dict[participant.id] = []
+                    users_dict[participant.id].append(user)
+                    break
+
+
+        for notification in data:
+            if notification.participant_id not in users_dict:
+                continue
+            users = users_dict[notification.participant_id]
+            for user in users:
+                # send notification to user
+                if user.notify_email:
+                    match notification.type:
+                        case 1: # assignment
+                            email_dict[user] += "\n"
+                            email_dict[user] += "You have been assigned to a new shipcall: " + notification.message
+                        case 2: # next 24 hours
+                            email_dict[user] += "\n"
+                            email_dict[user] += "A shipcall is scheduled for the next 24 hours: " + notification.message
+                        case 3: # Time conflict
+                            email_dict[user] += "\n"
+                            email_dict[user] += "There is a time conflict in a shipcall: " + notification.message
+                        case 4: # Time conflict resolved
+                            email_dict[user] += "\n"
+                            email_dict[user] += "A time conflict in a shipcall has been resolved: " + notification.message
+                        case 5: # unassigned
+                            email_dict[user] += "\n"
+                            email_dict[user] += "You have been unassigned from a shipcall: " + notification.message
+                if user.notify_whatsapp:
+                    # TBD
+                    pass
+                if user.notify_signal:
+                    # TBD
+                    pass
+            # mark as sent
+            commands.execute("UPDATE notification SET level = 2 WHERE id = ?id?", param={"id":notification.id})
+
+        # send emails
+        if len(email_dict) > 0:
+            email_handler = EmailHandler(mail_server="smtp.gmail.com", mail_port=465, mail_address="")
+            for user, message in email_dict.items():
+                email_handler.send_email(user.user_email, "BreCal Notification", message)
+    except Exception as ex:
+        logging.error(ex)
+
 def add_function_to_schedule__update_shipcalls(interval_in_minutes:int, options:dict={'past_days':2}):
     kwargs_ = {"options":options}
     schedule.every(interval_in_minutes).minutes.do(UpdateShipcalls, **kwargs_)
@@ -75,8 +144,8 @@ def add_function_to_evaluate_notifications(interval_in_minutes:int=1):
     schedule.every(interval_in_minutes).minutes.do(UpdateNotifications)
     return
 
-def add_function_to_schedule__send_notifications(vr, interval_in_minutes:int=10):
-    schedule.every(interval_in_minutes).minutes.do(vr.notifier.send_notifications)
+def add_function_to_schedule_send_notifications(interval_in_minutes:int=10):
+    schedule.every(interval_in_minutes).minutes.do(SendNotifications)
     return
 
 def eval_next_24_hrs():
@@ -93,8 +162,8 @@ def eval_next_24_hrs():
             for participant in participants:
                 if participant["type"] == 1: # BSMD
                     continue
-                if participant["type"] == 32: # PORT AUTHORITY
-                    continue
+                # if participant["type"] == 32: # PORT AUTHORITY # Christin: Brake möchte sie vielleicht doch haben
+                #    continue
                 # check if "open" notification already exists
                 found_notification = False
                 for existing_notification in existing_notifications:
@@ -122,8 +191,7 @@ def setup_schedule(update_shipcalls_interval_in_minutes:int=60):
 
     schedule.every().day.at("09:00").do(eval_next_24_hrs)
 
-    # placeholder: create/send notifications
-    # add_function_to_schedule__send_notifications(...)
+    add_function_to_schedule_send_notifications(1)
 
     # TODO: Add schedule function to evaluate all notifications in level 1 and create actions